US1959922A - Strip-feeding mechanism - Google Patents

Description

2 Sheets-Sh eet 1 A. E. MASPONS STRIP FEEDING MECHANISM Filed May 9, 1931 May 22, 1934.

y 22, 1934- A. E. MASPONS STRIP FEEDING MECHANISM Filed May 9, 1931 2 Sheets-Sheet 2 I 17116 1207 mm 69% WQ-EEM l atentecl May 2 2, 1934 '1 1 UNITED STATES PATENT OFFICE STRIP-FEEDING MECHANISM Albert E. Maspons, Albany, N. Y., assignor to International Cigar Machinery Company, a corporation of New Jersey Application May 9, 1931, Serial No. 536,277

13 Claims. (Cl. 2712.5)

My invention relates to apparatus for feeding against the biasing force of the spring 40, to move intermittently a continuous strip of material, the link 1'7 upwardly, and so effect clockwise from which for example, wrappers are cut for rotation of the lever 18 which is pivoted at 19 to application to articles, as cigars. a stationary plate or supporting member 30, to

5 In accordance with my invention, a recipromove the tip of lever 13 out of the path of move- 60 eating unit or carriage is provided with clamping ment of the slide. At the end of the feeding mechanism operated in timed relation to the stroke of the slide unit, the cam 15 moves out of carriage for intermittently feeding a strip of engagement with the lever 16 permitting spring wrapping material, specifically metal foil, cello- 40 to effect counter-clockwise rotation of lever 18 phane or the like, by movement of the carriage which is connected by a sliding link 31 to a lever 5 in one direction. 13 pivoted at 32 to the bearing plate or sup- My invention also resides in the features of port 30. The resulting movement of lever 13 construction, combination and arrangement herebrings the tip thereof into engagement with the inafter described and claimed. pin 41 at the end of arm 20, so that upon upward For an understanding of my invention and for movement of the slide the shaft 21 rotates to 70 illustration of a preferred form thereof, referreturn the sliding bar 24 to its original position, ence is to be had to the accompanying drawings the pin 25 cooperating with the depression in the in which: slide bar to lift the presser bar away from clamp- Fig. 1 diagrammatically and in side elevation ing engagement with the paper; With the clampillustrates the essential elements of the feeding ing bar out of engagement with the wrapping 7 5,

mechanism. material, the slide unit is returned to the position Fig. 2 is a front elevational view of apparatus shown in Fig. 1, for another cycle of movement. shown in Fig. 1, with parts omitted for clarity. Just before the carriage arrives at the position Fig. 2a is a detail of certain parts of Fig. 2. of Fig. 1, cam 15 again momentarily depresses Referring to the drawings, wrapping material, lever 16 to move the tip of lever 18 out of the path so,

as paper, tinfoil, or the like, removed from the of the pin projecting from arm 20.

roll 5 rests upon the stationary plate 1 and passes Preferably, while the strip of wrapping material between the movable clamping bar 6 and 00- is stationary it is cut by any suitable mechanism, operating plates 7 of the slidable unit 2, which is e a y represented by knife disc 93 to p guided for movement parallel to the stationary vide awrapper for an article, such as for example, plate 1 by the guide rods 3. At the beginning of a cigar. The wrapper is cut from the strip prothe cycle of movement, the slide unit 2 is stajecting below the slide unit so that at all times tionary in the position shown in Fig. 1 and th strip material is threaded through the slide be clamping bar 6 is out of clamping engagement tween plates 7 and bar 6. For clarity of illus- 35 with the wrapping material. The tip of lever 18 tration, the W pp g strip is omitted in Fig. 2. 9Q is disposed in the path of movement of a pin 41 The apparatus is particularly designed for atprojecting from an arm 20, pivoted on shaft 21 tachment to the cigar-wrapping machine discarried by the slide unit 2 so that as the slide 2 closed in my Patent No. 1,500,143 granted July 8, is moved downwardly, by means hereinafter de- 1924.

scribed, the shaft 21, by engagement of the pin For effecting reciprocation of the slide unit, 5 41 of arm 20 with the tip of lever 18, is rotated there is provided a bracket fastened to the underin a clockwise direction, causing the forked side of slide 2 and carrying the roller 33 embraced finger 22 (Fig. 2a) which is mounted on the shaft by the outwardly curved tines or prongs of the to move the pin 23 of the sliding bar 24. The forked end or open-ended slot of lever 11, which 45 resulting upward movement of the bar 24 brings is nn d y link 10 t lever 9 uat y a th depression 2%, thereof beneath the pin of a, cam 8, which rotates once for each reciprocation bracket 26 secured to and movable with the of carria The Cams 8 a d 15 rotate in timed presser bar 6, permitting the springs 27 forcibly relation to each other to effect the sequence of to depress the presser bar for clamping the operations previously described and may be 50 wrapping material against the plates '7. mounted on a common shaft, which is driven at 195 Upon continued movement of the slide unit, the a uniform rate of speed by or from any suitable paper or tinfoil clamped between the plates '7 motive device. The feeding or downward moveand bar 6 is pulled from the roll 5. In the meanment of the slide unit 2 is positively effected by time, after bar 6 has been released, the cam 15 the cam 8 and return movement of the slide is '55 rotates the lever 16 in a clockwise direction, effected by the spring 28, the adjustable stop 34 determining the uppermost position of carriage 2. The cam as indicated is shaped to permit the slide unit to remain stationary for a desired interval at the ends of its stroke to permit cam 15 to bring the tips of fingers 18 and 13 into the path of movement of the pin on lever 20 and to allow time for cutting of the strip.

What I claim is:

1. Strip-feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith, a pivoted arm movable with said carriage and controlling the position of said clamping structure, and means respectively movable into and out of the path of said arm upon beginning of movement of said carriage in both directions alternately to actuate said structure to clamp and release the strip.

2. Strip-feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith, means for biasing said structure into engagement with the strip, a m mber movable to one position to move said structure out of clamping engagement and to another position to permit said biasing means to effect clamping engagement of said structure with the strip, and means movable into and out of the path of said member for actuating the member to said first position for movement of said carriage in one direction and to said second position for reverse movement of said carriage.

3. Strip-feeding means comprising a reciproeating carriage, strip-clamping structure movable therewith, means for biasing said structure into engagement with the strip, a pivoted member movable to one position to move said structure out of clamping engagement and to another position to permit said biasing means to effect clamping engagement of said structure with the strip, and means movable in the path of movement of said pivoted member and in a direction transverse tosaid path of movement for moving the pivoted member tosaid second position for feeding movement of said carriage in one direction and to said first position for return movement of said carriage.

4. Strip-feeding means comprising a reciprocating carriage, stripclamping structure movable therewith, a pivoted arm movable with said carriage and controlling the position of said clamping structure, a pair of abutments biased to positions in the path of movement of said arm, and means operating in timed relation to said carriage for moving one of said abutments out of the path of movement of said arm after the other of said abutments has been engaged by said arm to change the position of said clamping structure.

5. Strip-feeding means comprising a reciproeating carriage, strip-clamping structure movable therewith, a pivoted arm movable with said carriage and controlling the position of said clamping structure, a pair of abutments respectively movable into and out of the path of movement of said carriage, and means operating in timed relation to said carriage to eifect engagement between one of said abutments and said arm for movement of said carriage in one direction and between the other of said abutments and said arm for movement of said carriage in reverse direction.

6. Strip-feeding means comprising a reciprocating carriage, an element movable therewith in fixed relation thereto, a lever having an open ended slot embracing said element, a rotating cam eifecting pivotal movement of said lever, strip.- clamping structure movable with said carriage,

a member movable with said carriage and controlling the position of said clamping structure, a pair of abutments, and cam structure operating in timed relation to said cam to effect engag ment between one of said abutments and said member for movement of said carriage in one direction and between the other of said abutments and said arm for movement of said carriage in reverse direction.

7. Strip-feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to diiierent positions to control the strip-clamping and strip-releasing movement of said structure, a pair of abutments, and means to move each of said abutments out of the path of movement of said member as said carriage approaches the limit of its travel in one direction and to move each of said abutments into the path of movement of said member as said carriage departs from its limit of travel for movement in the opposite direction.

8. Strip feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to different positions to control the strip-clamping and strip-releasing movement of said structure, a pair of inter-connected levers whose tips are movable in an arc intercepting the path of movement of said member, and means operating in timed relation to said carriage for actuating said levers to remove the tips of said levers from the path of said member as said car-'- riage approaches its extreme positions and to bring the tips of said levers into the path of said member as said carriage moves from said positions.

9. Strip-feeding means comprising a carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to diiferent positions to control the strip-clamping and strip-releasing movement of said structure, a cam for movement of said carriage in one direction, biasing means for effecting reverse movement of said carriage, a pair of abutments biased into the path of movement of said member, and a cam operating in timed relation to said first cam for momentarily moving said abutments out of the path of movement of said member as said carriage approaches its extreme positions.

10. Strip-feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith adapted to engage strip-material threaded through said carriage, a member mounted upon said carriage and movable to difierent positions to control the strip-clamping and stripreleasing movement of said structure, a pair of abutments respectively movable into and out of the path of said member, and means for moving one of said abutments into the path of said member to actuate said structure for clamping of the strip for movement of said carriage in one direction and the other of said abutments into the path of said member for releasing the threaded strip for movement of the carriage in reverse direction.

11. Strip-feeding means comprising a reciprocating carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to different positions to control the strip-clamping and strip-releasing movements of said structure, a pair of rotatable abutments, and means to rotate each of said abutments out of the path of movement of said member as the carriage approaches the limit of its travel in one direction and to rotate each of said abutments lllil into the path of movement of said member as said carriage departs from its limit of travel .in the opposite direction.

12. Strip-feeding means comprising a reciproeating carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to different positions to control the strip-clamping and strip-releasing movements of said structure, a pair of rotatable abutments, means for biasing said abutments into the path of movement of said member, and means to rotate each of said abutments out of the path of movement of said member as the carriage approaches the limit of its travel in one direvtion and to rotate each of said abutments into the path of movement of said member as said carriage departs from its limit of travel in the opposite direction.

13. Strip-feeding means comprising a carriage, strip-clamping structure movable therewith, a member mounted upon said carriage and movable to different positions to control the strip-clamping and strip-releasing movements of said structure, a cam for movement of said carriage in one direction, biasing means for eifecting reverse movement of said carriage, a pair of rotatable abutments, means for biasing said abutments into the path of movement of said member, and a cam operating in timed relation to said first cam for momentarily rotating said abutments out of the path of movement of said member as said carriage approaches its extreme positions.

ALBERT E. MASPONS.

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