US3709150A - Variable speed endless conveyor - Google Patents

Variable speed endless conveyor Download PDF

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Publication number
US3709150A
US3709150A US00094425A US3709150DA US3709150A US 3709150 A US3709150 A US 3709150A US 00094425 A US00094425 A US 00094425A US 3709150D A US3709150D A US 3709150DA US 3709150 A US3709150 A US 3709150A
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bars
chain
loop
series
zones
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P Colombot
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/10—Moving walkways
    • B66B21/12—Moving walkways of variable speed type

Definitions

  • the conveyor is constituted by an endless'chain in the form of a horizontal closed loop. It is formed by at least one set of bars comprising a first series of bars and a second series of bars elastically deformable in the horizontal plane but rigid in the vertical plane, the bars of the first series being articulated on the bars of the second series, on one hand in the vicinity of the ends and on the other hand in the vicinity of the middle, thereby forming an uninterrupted sequence of curvilinear diamonds so that the four sides of a given diamond are obtained by means of four different bars.
  • Means are provided for driving the chain, at low speed in at least two zones of a first type in which the diamonds are flattened perpendicularly to their forward direction, and at high speed in at least two other zones of a second type in which the diamonds are flattened in the forward direction.
  • the speed of the chain varies in continuous manner in the portions of the chain situated between the two types of zones, the said bars bearing plate elements which partly overlap to form a horizontal receiving surface of continuous general configuration.
  • the conveyor according to the invention which has the form of an endless chain in the form of a horizontal closed loop, is characterized by the fact that it is formed by at least one set of bars elastically deformable in the horizontal plane but rigid in the vertical plane, these bars being articulated on one another, on one hand in the vicinity of the ends and on the other hand in the vicinity of the middle, thereby forming an uninterrupted succession of curvilinear diamonds so that the four sides of a given diamond are obtained by means of four different bars, means being provided to drive the chain, at low speed in at least two zones of a first type in which the diamonds are flattened perpendicularly to their direction of advance, and at high speed in at least two other zones of a second type in which the diamonds are flattened in the direction of advance, the speed of the chain varying in continuous manner in the portions of the chain situated between the two types of zones, the said bars bearing plate elements, like scales or tiles, which partially overlap to form a horizontal receiving surface of continuous general configuration.
  • This conveyor hence resembles a moving carpet capable of being stretched and of being compressed, so that when its compressed parts are moved at a certain speed, its stretched parts are moved at a greater speed.
  • the conveyor comprises a handrail constituted by telescopic tubular elements driven in synchronism with the corresponding portions of the conveyor chain that they accompany.
  • FIG. 1 is a perspective view of the whole of one embodiment of a conveyor according to the invention
  • FIG. 2 shows, ona largerscale and with more details, a portion of FIG. 1;
  • FIG. 3 is a schematic plan view of a constituent part of a conveyor according to the invention.
  • FIG. 4 shows on a larger scale a partial section along the line IVIV of FIG. 2;
  • FIG. 5 is a section along the line VV of FIG. 4;
  • FIGS. 6 and 7 show schematically in section perpendicularly to the direction of advance in a rectilinear advancing zone, a conveyor according to the invention and constructed according to two variations;
  • FIG. 8 is a perspective view showing the constituent parts of an embodiment of a conveyor according to the invention corresponding to the variants of FIGS. 6 and 7;
  • FIG. 9 is a plan view showing schematically constituent parts of the conveyor at different points of its path.
  • FIGS. 10, lland 12 show on a larger scale details of FIG. 9;
  • FIG. 13 shows in diagrammatic perspective a portion of a conveyor'according to the invention arranged in accordance with a variant
  • FIGS. 14 and 15 show, respectively along the lines XIV-XIV of FIG. 15 and XV-XV of FIG. 14, a constituent part of a conveyor constructed according to the invention, and-lastly,
  • FIG. 16 shows a detail of FIG. 14 in another position.
  • variablespeed continuous conveyor shown schematically as a whole in FIG. I is intended, for example, for the transportation of persons. It comprises an endless chain in the form of a horizontal closed loop formed from at least one set of bars such as 2 and 3 (see also FIG. 2), elastically deformable in the horizontal plane but rigid in the vertical plane, these bars being articulated on one another, on one hand in the vicinity of their ends, and on the other hand in the vicinity of their middle, thereby forming an uninterrupted series of curvilinear diamonds so that each of the sides of a given diamond belongs to a different bar.
  • bars such as 2 and 3 (see also FIG. 2)
  • the .loop formed by the endless chain 1 is flattened so as to have two neighboring parallel strands 6,7 which constitute the abovesaid zones of the second type, that is to say the principal portion of the conveyor, and which are linked at their ends by two portions 8,9 substantially in the form of semi-circles constituting the abovesaid zones of the first type.
  • the conveyor constitutes a relay of a rapid moving carpet, as will be explained below, that in FIG. 1, the two rectilinear strands 6 and 7 of the conveyor have been shown very short, but they could very well be of much greater length in the case of utilization without a rapid moving carpet.
  • the articulations of at least one of the ends of .the constituent bars of the chain bear roller means and guidance means co-operating with a guide which is situated inside or outside the loop and which follow the contour which merges with the corresponding edge of the loop formed by the constituent chain of conveyor.
  • bars such as 2, 2A, 2B, 2C, etc. inclined in' one direction constitute together a first series of bars
  • bars such as 3, 3A, 3B, 3C, etc. inclined in the other direction constitute together a second series of bars.
  • two successive bars belong respectively to two series of bars, for example the bars 3 and 2B, are articulated on one another in the neighborhood of their corresponding ends by a vertical axle such as 12 engaged in a first guide or lower guide 13.
  • two successive bars, such as 2A and 3A belonging respectively also to two series of bars, articulated in the neighborhood of their corresponding ends, on the outside of the loop, on a vertical axle such as 15 engaged in a second guide or outer guide 16.
  • the inner guide 13 and the outer guide 16 follow the general configuration of the whole of the conveyor and in this example, they each have a section in the shape of a U. ln FIGS. 4 and 5, there is shown diagrammatically, on a larger scale, the shape and arrangement of the inner guide 13.
  • the axle 12 on which are articulated the two bars 3 and 2B is extended, at its lower part, by an inclined fork 21 of which the two arms are traversed by an axle 22 on which is mounted a roller 23 which rests in the bottom of the guide 13. This roller is hence oriented by and supports the articulation axle chain of the bars whilst the chain moves.
  • the axle 13 bears three horizontal centering rollers 24,25,26 which roll against the corresponding horizontal rails 27,28,29 rigidly fixed to the inner faces of two vertical walls of the guide 13.
  • the rail 28 is fixed one of the guidewalls, at a level situated between those of the two other rails 27 and 29 fixed at the opposite wall of the said guide.
  • the bars such as 28 of the first series art articulated on the corresponding bars such as 3A of the second series, by axles 33 situated in the middle of the length of the saidbars.
  • the endless chain can be constituted by several superposed sets of bars each forming an uninterrupted series of diamonds, articulations being provided at each crossing of a bar of a given set with a bar of another set.
  • each scale such as 35A and 35N is constituted by an angle element so as to present a sufficient rigidity. As can be seen in the lower sections of FIG. 3, each angle has a large horizontal support wing and a small vertical stiffening 'wing.
  • the chain is formed of several uninterrupted sequences of curvilinear diamonds interlaced in one another. In the embodiment shown, there are two sequences of diamonds, the first being formed by the bars such as 2A, 3A and 2B, 38 (FIG. 3) and the second by the bars such as 2M and 3M of which the outer articulation axles, such as 15M, occur between the articulation axles I and B of the bars of the first sequence.
  • axles such as 15M
  • the axles can be engaged in the outer guide 16.
  • the other ends of the bars which form intermediate diamonds are obviously articulated also on one another'on axles, such as 12M, possibly engaged also in the corresponding inner guide 13.
  • Each plate elements, such as 35A, for example, is arranged lengthwise with respect to the bars of one of the series of bars such as 2A of the first set of bars and it is articulated, in the neighborhood of one of its ends, by an axle 41, on the bar 2A of the first series of bars and, in the neighborhood of its other end, by an axle 42 also on the bar 2A of this series of bars. So that the system may operate, one of the two articulation axles of each plate element such as 35A, for example the axle 41 borne by the bar 2A, pivots in a cylindrical hole of the plate element, whicst the other, that is to say the axle 42 can slide in a longitudinal slot 44 of the said plate.
  • the following plate 35N is articulated, through its outer end, by means of an axle 46, not on the bar of the first series of bars, but on the bar 3A, of the'first series, the other end of the said plate element being articulated on an axle 47 borne by a bar 3N of the first set of bars, this axle 47 being located also in a slot 48 of the plate element 35N.
  • the plate elements it is advantageous to select for the plate elements a size such that they extend beyond the endless chain, which enables the use, for a given width of conveyor, of a chain of substantially less width, that is to say constituted by means of bars shorter than the plate elements.
  • the extension of the plate elements is preferably towards the outside of the loop, so as not to risk too great an overlap of the plate elements in the half-turn zones of the conveyor.
  • End 8 (FIG. 1) of the conveyor comprises a loading zone or mounting area 51 for passengers and a discharge zone or dismounting area 52.
  • the other end 9 of the'conveyor comprises a loading zone or mounting area 53 and an unloading zone or dismounting area 54.
  • the inner guide 13 and the outer guide 16 are parallel and with a minimum spacing, whilst, in the zones or areas of loading and unloading 51 to S4,-they are much more separated.
  • This variation in separation is effected in a gradual manner between the high speed zones 6 and 7 and the slow speed zones 8 and 9 to take into account the gradual elongation of the diamonds which pass from a flat position in the direction of advance to a flat position perpendicularly to the direction of advance, this modification of shape corresponding to a gradual variation of the forward speed between the rapid zone and the slow zone.
  • the average speed of plate elements in an end zone such as the loading zone 53 for example, is constant and much less whilst, in the intermediate zones such as zone 57 for example, situated between the loading zone 53 and the transport zone 6, the average speed of the plate elements is increasing since the width of the belt diminishes regularly between these two zones.
  • zone 58 for example, comprised between the transport zone 6 and the unloading zone 52, the average speed of the plate elements diminishes gradually.
  • the endless chain 1 is driven by a continuous movement in the zones where its speed is constant, that is to say, in this example, in the two principal transport zones 6 and 7 are high speed and in the two end zones enlarged in the form of a semi-circle at low speed.
  • the means used for this purpose can be constituted, for example, below this portion of the conveyor, by two perforated belts 61, 62 which pass, respectively, over two drive rollers 63,64 and over two pairs of return rollers such as 65, 66 for example for the belt 61, which hold the upper strand of the corresponding belt applied against the lower surface of the movable chain of bars.
  • perforations such as 67 for example, of the belt 61, are engaged lower extensions of the vertical axles 33 (FIG. 2) of articulation at the center of the bars.
  • Two belts 61, 62 are driven in reverse direction by the drive rollers 63, 64 self-rotated in reverse direction by an electric motor 71 through a transmission which comprises, in this example, a reducing gearbox 72, a belt transmission 73 and a shaft 74 which passes through a drive gear box 75 of the shafts of the two rollers.
  • the drive of the chain at each end is constituted by a larger horizontal wheel 78 provided with teeth 79 intended to in mesh with the lower extension of the intermediate axles 33 of the braces.
  • Wheel 78 is rigidly fixed to a vertical shaft 81 coaxial with the semi-circle formed by the end of the conveyor and driven by means of a return gear 82 by a horizontal longitudinal shaft 83 which turns in synchronism with the drive shaft 74 of the central part of the chain.
  • middle articulation guide means constituted for example by a roller 25a provided on the-articulation axle 33 and'cooperating with the guide 17 constituted by two angle irons 17a and 17b in the form of an L which are facing through the small horizontal limb thereby forming a rail of which the general shape is that of a U, but leaving between the two small limbs of two L a slot through which the axle 33 can pass as shown the figure.
  • the said guide means can be provided also at the level of articulation of the bars of a first set on the bars of a second set.
  • rollers 23 rollers 25, since it is advantageous to preserve, at least in certain places of the loop, lateral guides 13 and '16.
  • the chain C can be deformed in two orthogonal planes by passing successively over two pulleys P P and over two pulleys P P of which one is rotated by a motor M.
  • This chain C accompanies the conveyor in the half-turn zone, imposing on it thus the desired degree of compression in the inner portion at the turn and avoiding too great a straddling of the plate elements.
  • the chains C and C are conventional endless chains.
  • FIG. 7 there is shown curved fingers D borne by the bars 3, 3A and of which the dimensions such that they can mesh with the chains C,, C and C
  • the chains C, and C are tensioned respectively between two pulleys P P and P P,,, the pulleys P and P, being rotated by two shafts A,.and A keyed respectively on pulleys P and P
  • the chain C can be held tightened by means of a fixed guide, known in itself, not shown.
  • the invention provides that the plate elements 35 bear combs P of which the orientation is such that when the conveyor is at its slowest speed, the grooves of the combs of two successive plate elements are in extension of one another and occur on a parallel to the axis of the conveyor so that these combs can then cooperate with a fixed comb. P, borne by the arrival platform 0.
  • FIG. 9 there is shown diagrammatically, in plan view, different sections of the conveyor between a zone 6 (or 7) and the beginning of a slow speed rectilinear zone (for example 9a) with the arrival platform Q placed on the latter, thus showing the rotation of the plate elements, and there is shown on a larger scale in FIGS. 10 to 12 three portions A,, A and A of the sections concerned, corresponding to different orientations of the plate elements on the conveyor, these enlarged views showing the corresponding orientations of combs.
  • the combs are slightly inclined over a small dimension of the plate elements, the value of this inclination corresponding to that of the bars on the axis of the transporter at the level of the arrival platform. 1
  • this handrail is constituted by a succession identical assemblies 95 (FIG. 14 and of telescopic tubular elements.
  • each assembly 95 is constituted by an outer tubular element 96 in one half of which can slide, to one another, three inner tubular elements 97, 98, and 99 and, in the other half, three symmetrical elements 97A, 98B and 99A. All these tubular elements are open at their inner portion, so as to be able to straddle the upper portion of the partition 91.
  • each outer end of the inner tubular element such as 99 bears an axle 101 rigidly fixed to two feed 102 of which the inner end is provided with a roller 103 housed in a horizontal slide 104 of lying U-shaped section formed on the inner surfaces of the wall 91 which is a hollow wall.
  • the inner end of thesecond tube such as 98 bears, in a similar manner, an axle 106 bearing two feetl07 provided with a roller 108 engaged in the same slide 104.
  • each telescopic assembly 95 is ensured by two systems of levers.
  • the first system of levers comprises, for each assembly 95, two levers 111, 112 at one of the end of the assembly and two identical other levers 113,114 at the other end.
  • the upper end of the lever 1 1 1 is articulated on the axle 101 rigidly fixed to the inner tube 99
  • the upper end of the lever 112 is articulated on the axle ,106 rigidly fixed to the second inner tube 98.
  • the two levers 111, 112 are articulated on one another by their inner ends on an axle 115 provided with a roller 116 which is housed in a horizontal guide 118 forming a crosspiece in he thickness of the wall 91.
  • the vertical distance between this guide 118 and the upper slide 104 determines the relative position of the two two inner tubes 99 and 99A with respect to two tubes 98 and 98A in which they respectively slide directly.
  • the group 121 comprises four large levers 123, 124,
  • the upper end of the large lever 123 is articulated on an axle 131 on the inner end of the inner tube 99 whilst its inner end is articulated by an axle 132 on the lower end of the large lever 124.
  • the upper end of the large lever 125 is articulated on the axle 106 rigidly fixed to the second inner tube 98, whilst its lower end is articulate by an axle 133 on the lower end of the large lever 126.
  • the upper ends of the two large levers 124 and 126 are articulated, by two axles 134, 135, respectively on the inner end of the third tube 97 and on the middle of the length of the fourth tube or outer tube 96.
  • the upper end of the small lever 127 is articulated on the axle 106 and its lower end on an axle 137 situated in the middle of the length of the large lever 123.
  • the other small lever 128 is articulated, by its upper end, on the axle l34,'and, by its lower end, on an axle 138 situated in the middle of the length of the large lever 126.
  • the assembly of levers 121 represented in FIG. -8 is hence formed of articulated parallelograms.
  • the horizontal distance between the two axles 131 and 106 is a function of the penetration of the inner tube 99 into the tube 98 in which it is mounted, so that any variation of this distance determines a corresponding variation between the axles 106 and 134 on one hand, and the axles 134 and 135 on the other hand, which determines the relative longitudinal positions of the tube 97 with respect to the tube 98, and of the tube 96 with respect to the tube 97.
  • the drive of the ramp is effected, in the zones where this ramp is moved at constant speed, for example, by a chain 141 which slides at constant speed in an inner horizontal guide 142, the linkage between the chain 141 and the ramp being effected, for example, by the engagement of one axle such as 144 fixed at the middle of-the lever 11] and engaged in a link of the said chain.
  • Each telescopic tubular assembly 95 is connected to the following one, for example by a ball-joint system constituted by a male ball 151 formed at an outer end of the inner tube 99A and by a correspondingfemale part 152 formed in the adjacent end of the inner tube of the following assembly.
  • the plate elements are oriented substantially lengthwise overvthe principal portions 6 and 7 of the conveyor and are actuated with a relatively high speed of translation, whilst, in the enlarged portions 8 and 9 of the two ends of the conveyor, they are, on the other hand, substantially crosswise and ,they are actuated with a relatively slow speed of displacement.
  • the variation in speed between the principal transport zone and the loading and unloading zones is effected gradually by zones of gradually increasing width when it relates to deceleration or progressively decreasing when it relates to acceleration.
  • the passengers get on for example at the area 51, then are transported by the narrow principal zone 7 and arrive at the area 54 of large width, from which they can easily dismount.
  • a complementary arrangement comprising two rolling carpets 161, 162, (FIG. 1) which extend respectively along the principal portions 6 and 7 of the conveyor, for example at a speed equal to that of the said conveyor, the latter serving as intermediate means or relay to pass the passengers from the ground on to the rolling carpet 161 or even from this rolling carpet to the ground.
  • afirst variable speed conveyor for example of the type described above, covering a range of speeds of the order of 2 to 12 km/h
  • a second variable speed conveyor covering a rang of speeds of the order of 12 to 60 km/h
  • a third conveyor constituted by a constant speed carpet of about 60 km/h for example.
  • Variable speed endless conveyor constituted by an endless chain in the form of a horizontal closed loop, said loop being formed by at least one set of bars comprising a first series of bars and a second series of bars elastically deformable in the horizontal plane but rigid inthe vertical plane, the bars of the first series being articulated on the bars of the second series, in the vicinity of the ends of the bars and in the vicinity of the middles of the bars, thereby forming an uninterrupted sequence of curvilinear diamonds so that the four sides of a given diamond are constituted by four different bars each bar forming part of two consecutive diamonds, means being provided for driving the chain in a direction along the loop, at low speed in at least two zones of a first type in which the diamonds are flattened perpendicularly to the direction along theloop, and at high speed in at least two other zones of a second type in which the diamonds are flattened in the direction along the loop, the speed of the chain varying in continuous manner in the portions of the chain situated between the two types of zones, the said bars bearing plate elements
  • Conveyor according to claim 1 wherein the endless chain is constituted by several sets of superposed bars each set forming an uninterrupted sequence of diamonds, articulations being provided at each crossing of a bar of a given set with a bar of another set.
  • Variable speed endless conveyor constituted by an endless chain in the form of a horizontal closed loop, said loop being formed by at least one set of bars comprising a first series of bars and a second series of bars elastically deformable in the horizontal plane but rigid in the vertical plane, the bars of the first series being articulated on the bars of the second series, in the vicinity of the ends of the bars and in the vicinity of the middles of the bars, thereby forming an uninterrupted sequence of curvilinear diamonds so that the four sides of a given diamond are constituted by four different bars each bar forming part of two consecutive diamonds, means being provided for driving the chain in a direction along the loop, at low speed in at least two zones of a first type in which the diamonds are flattened perpendicularly to the direction along the loop, and at high speed inat least two other zones of a second type in which the diamonds are flattened in the direction along the loop, the speed of the chain varying in continuous manner in the portions of the chain situated between the two types of zones, the said bars bearing plate elements
  • roller means provided at the end articulations of the bars are arranged so that they can cooperate with lateral guides provided at least at certain places of the loop formed by the chain.
  • each guide has a U-shape section, roller and support means borne by the end articulations comprising a vertical axle of which the lower end is provided with an orientable roller resting in the bottom of a lateral guide the guide means borne by the articulations being constituted by at least one directing roller co-operating with two inner lateral faces of the said guide, if necessary with the interposition of projecting horizontal rails.
  • Conveyor according to claim 10 wherein the mobile drive elements, arranged under parallel strands of the chain are constituted by a perforated belt or a horizontal endless chain of which the upper strand is in engagement with the lower extensions of the middle articulation axles of the chain.
  • Conveyor according to claim 1, wherein the drive means for the semicircular zone and the constant low speed rectilinear adjacent zones comprise three drive chains of which one is situated inside the loop and corresponds in shape with the whole of the semi-circular shape of the latter, the two others being situated outthe combs of two successive plate elements are in ex-v tension of one another and occur over a parallel to the axis of the conveyor so that the combs borne by the plate elements can then cooperate with a fixed comb borne by the arrival platform.
  • Conveyor according to claim l 'comprismg a handrail constituted by telescopic tubular elements driven in synchronism with the corresponding portions of the conveyor chain which accompany them.
  • the telescopic tubularelements which constitute the handrail comprise a series of identical assemblies each of which is formed by at least two telescopic tubular elements of which the open lower portion slides on a sub; stantially vertical fixed wall, the longitudinal linkage between these two elements being ensured by two levers articulated on one another and bearing a roller which rolls against a fixed ramp of which the distance to the upper portion of the aforesaid fixed wall is, at each point of the conveyor, a function of the relative position of the plate elements, the drive of the handrail being ensured in constant speed zones by an endless inextensible flexible link which is moved along the fixed vertical partition at the speed of the endless drive chain of the plate elements and which is connected to a point of each assembly of telescopic tubular elements of the handrail.
  • each assembly of telescopic tubular elements of the handrail comprises more than two elements, wherein the supplementary elements are connected between themselves and to twofirst elements by a system of articulated braces.

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  • Escalators And Moving Walkways (AREA)
  • Chain Conveyers (AREA)
US00094425A 1969-12-02 1970-12-02 Variable speed endless conveyor Expired - Lifetime US3709150A (en)

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Application Number Priority Date Filing Date Title
FR6941465A FR2081994A5 (fr) 1969-12-02 1969-12-02

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US (1) US3709150A (fr)
JP (1) JPS4920428B1 (fr)
BE (1) BE759699A (fr)
CA (1) CA936119A (fr)
CH (1) CH532521A (fr)
DE (1) DE2059398C3 (fr)
FR (1) FR2081994A5 (fr)
GB (1) GB1337965A (fr)
NL (1) NL7017642A (fr)
SU (1) SU385426A3 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462514A (en) * 1981-11-16 1984-07-31 The Boeing Company Accelerating and decelerating walkway handrail
US6065583A (en) * 1996-09-20 2000-05-23 Mitsubishi Heavy Industries, Ltd. Speed-variable conveyor
US6138816A (en) * 1998-06-19 2000-10-31 Nkk Corporation Variable-speed passenger conveyer and handrail device thereof
US6591959B1 (en) * 2002-01-23 2003-07-15 Mitsubishi Denki Kabushiki Kaisha Escalator with high speed inclinded section
US20100205837A1 (en) * 2009-02-16 2010-08-19 Target Brands, Inc. In-Store Marketing Sign
USD630257S1 (en) 2010-04-12 2011-01-04 Target Brands, Inc. In-store marketing sign
US7992334B1 (en) 2009-01-19 2011-08-09 Target Brands, Inc. In-store marketing sign
USD647572S1 (en) 2010-12-10 2011-10-25 Target Brands, Inc. In-store marketing sign
USD650018S1 (en) 2010-12-10 2011-12-06 Target Brands, Inc. In-store marketing sign
USD651653S1 (en) 2010-12-10 2012-01-03 Target Brands, Inc. In-store marketing sign
USD692496S1 (en) 2011-08-16 2013-10-29 Target Brands, Inc. In-store marketing sign
US8707600B2 (en) 2010-12-10 2014-04-29 Target Brands, Inc. In-store marketing sign

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DE4324120A1 (de) * 1993-07-19 1995-01-26 Hauni Werke Koerber & Co Kg Förderkette
CN108357863B (zh) * 2018-03-09 2023-05-16 东莞市兹格润印刷机械科技有限公司 平行升降输送传动结构及其传动方法

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US1603475A (en) * 1924-09-29 1926-10-19 Kruckenberg Franz Arrangement for the intensive transportation of persons
US1615453A (en) * 1925-06-24 1927-01-25 John K Hencken Conveyer
US3236191A (en) * 1962-11-29 1966-02-22 Battelle Development Corp Varying speed transport apparatus
US3465689A (en) * 1967-01-17 1969-09-09 Robert Underwood Ayres Moving sidewalk
US3565238A (en) * 1968-05-06 1971-02-23 Basil J Candela Variable-velocity conveyor
US3580182A (en) * 1968-04-26 1971-05-25 Battelle Memorial Institute Variable-speed transport apparatus
US3583543A (en) * 1967-12-06 1971-06-08 Attilio Angioletti Passenger conveyor

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Publication number Priority date Publication date Assignee Title
US1603475A (en) * 1924-09-29 1926-10-19 Kruckenberg Franz Arrangement for the intensive transportation of persons
US1615453A (en) * 1925-06-24 1927-01-25 John K Hencken Conveyer
US3236191A (en) * 1962-11-29 1966-02-22 Battelle Development Corp Varying speed transport apparatus
US3465689A (en) * 1967-01-17 1969-09-09 Robert Underwood Ayres Moving sidewalk
US3583543A (en) * 1967-12-06 1971-06-08 Attilio Angioletti Passenger conveyor
US3580182A (en) * 1968-04-26 1971-05-25 Battelle Memorial Institute Variable-speed transport apparatus
US3565238A (en) * 1968-05-06 1971-02-23 Basil J Candela Variable-velocity conveyor

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462514A (en) * 1981-11-16 1984-07-31 The Boeing Company Accelerating and decelerating walkway handrail
US6065583A (en) * 1996-09-20 2000-05-23 Mitsubishi Heavy Industries, Ltd. Speed-variable conveyor
US6138816A (en) * 1998-06-19 2000-10-31 Nkk Corporation Variable-speed passenger conveyer and handrail device thereof
US6591959B1 (en) * 2002-01-23 2003-07-15 Mitsubishi Denki Kabushiki Kaisha Escalator with high speed inclinded section
US7992334B1 (en) 2009-01-19 2011-08-09 Target Brands, Inc. In-store marketing sign
US8322062B1 (en) 2009-01-19 2012-12-04 Target Brands, Inc. In-store marketing sign
US8171663B1 (en) 2009-01-19 2012-05-08 Target Brands, Inc. In-store marketing sign
US20100205837A1 (en) * 2009-02-16 2010-08-19 Target Brands, Inc. In-Store Marketing Sign
US20110232144A1 (en) * 2009-02-16 2011-09-29 Target Brands, Inc. In-Store Marketing Sign
US7975416B2 (en) * 2009-02-16 2011-07-12 Target Brands, Inc. In-store marketing sign
US8302338B2 (en) 2009-02-16 2012-11-06 Target Brands, Inc. In-store marketing sign
USD630257S1 (en) 2010-04-12 2011-01-04 Target Brands, Inc. In-store marketing sign
USD647572S1 (en) 2010-12-10 2011-10-25 Target Brands, Inc. In-store marketing sign
USD650018S1 (en) 2010-12-10 2011-12-06 Target Brands, Inc. In-store marketing sign
USD651653S1 (en) 2010-12-10 2012-01-03 Target Brands, Inc. In-store marketing sign
US8707600B2 (en) 2010-12-10 2014-04-29 Target Brands, Inc. In-store marketing sign
USD692496S1 (en) 2011-08-16 2013-10-29 Target Brands, Inc. In-store marketing sign
USD703761S1 (en) 2011-08-16 2014-04-29 Target Brands, Inc. In-store marketing sign

Also Published As

Publication number Publication date
SU385426A3 (fr) 1973-05-29
FR2081994A5 (fr) 1971-12-10
CH532521A (fr) 1973-01-15
DE2059398C3 (de) 1975-01-23
NL7017642A (fr) 1971-06-04
GB1337965A (en) 1973-11-21
JPS4920428B1 (fr) 1974-05-24
DE2059398A1 (de) 1971-06-09
DE2059398B2 (de) 1974-05-30
CA936119A (en) 1973-10-30
BE759699A (fr) 1971-05-17

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