EP0130929A2 - Körper für Besen mit künstlichem Astwerk - Google Patents

Körper für Besen mit künstlichem Astwerk Download PDF

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Publication number
EP0130929A2
EP0130929A2 EP84440027A EP84440027A EP0130929A2 EP 0130929 A2 EP0130929 A2 EP 0130929A2 EP 84440027 A EP84440027 A EP 84440027A EP 84440027 A EP84440027 A EP 84440027A EP 0130929 A2 EP0130929 A2 EP 0130929A2
Authority
EP
European Patent Office
Prior art keywords
spindle
discs
diameter
une
broom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP84440027A
Other languages
English (en)
French (fr)
Other versions
EP0130929A3 (de
Inventor
Jackie André De Ruyter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8311200A external-priority patent/FR2548239B1/fr
Priority claimed from FR8404793A external-priority patent/FR2561683B2/fr
Application filed by Individual filed Critical Individual
Publication of EP0130929A2 publication Critical patent/EP0130929A2/de
Publication of EP0130929A3 publication Critical patent/EP0130929A3/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
    • A46B3/14—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for street-cleaning or rail-cleaning brooms

Definitions

  • the present invention relates to plastic brooms, and more particularly it relates to brooms of the imitation type of broom broom birch or heather.
  • Such brooms make it possible to obtain a longevity markedly greater than that of the traditional broom in natural branches, and provides the same flexibility of use for cleaning sidewalks, gutters, etc.
  • Plastic brushes are already known offering this feature, and in particular those relating to the provisions of French patents N ° 69 07 121, N ° 70 26 760, N ° 72 22 841 and N ° 75 32 093.
  • the four cited patents all describe brushes of injected plastic, and are characterized in that they include a group of antlers, either molded together, or connected together by transverse bands, and which are wound around a split tube then covered by a sleeve.
  • the present invention proposes to offer a birch type broom device, made of plastic, and which has exceptional mounting conveniences, making it possible to lower the cost price, and offering increased rigidity of the twigs while keeping a fairly flexible plastic quality. In addition, it is possible to change each branch individually without having to renew the entire beam.
  • the device which is the subject of the invention is characterized in that it comprises in combination a set of identical and all independent branches, each consisting of a rod ending in a ring in its upper part, and which carries in its lower part of the twigs.
  • a branch fixing pin which consists of a partially cylindrical and partially conical body, hollowed out to receive the handle, provided with retention and guide discs for the branches.
  • a cover in the form of a sleeve, equipped with a lug and teeth for locking the grooves relative to the body of the spindle.
  • the spindle head is provided with two large notches which descend to the first disc of guidance.
  • the bulge located at the head of the spindle is doubled by two larger pins to better ensure the longitudinal locking of the cover.
  • the guide discs are devoid of the retaining lugs while the cover is provided with two lugs in its upper cylindrical opening in order to cooperate with the two large notches of the spindle to ensure the locking in rotation of the cover relative to the spindle.
  • Compacting tabs of the antler rings are also arranged inside the cover in its upper part.
  • the pin 1 for fixing the antlers consists of a hollow plastic body which accommodates the lower end of the handle broom.
  • This spindle is cylindrical in its upper part 2, and slightly conical in its lower part 3, in order to prevent the handle of the broom from sliding through.
  • the cylindrical part 2 is delimited at the top by a bulge 4, intended to retain the locking cover, a pawl 5, arranged under the bulge 4 cooperates with a toothed crown arranged in the locking cover.
  • the conical part 3 carries several guide discs 6, the first of which retains the first groove in the axial direction, and the assembly of which maintains the cylindrical and homogeneous bundle, while compensating for the taper of the lower part of the spindle.
  • a wedging lug 7 is arranged on each guide disc 6, in order to limit any rotation of the grooves relative to the spindle 1.
  • the cylindrical part of the spindle 2 is split in the longitudinal direction 8. This slot 8 is split and widened in its upper end 8 '.
  • FIG. 3 which represents the sections CD and EF of FIG. 2, highlights in section CD the pawl 5 arranged under the retaining bulge of the cover 4, thus as the elasticity slots 8 and 8 '.
  • section EF we see the wedging pin 7 arranged on the guide discs 6.
  • Figure 4 shows the detail of the locking cover 9, which consists of an externally smooth sleeve.
  • the upper internal part is provided with a toothed crown 10 and a locking lug 11.
  • the lower external part can be reinforced by an extra thickness of plastic 12, in order to increase the resistance of this zone.
  • FIG. 5 which represents the section C'D 'of FIG. 4, shows the profile with a slope of the teeth of the toothed ring 10, as well as the locking pin 11.
  • FIG. 6 we see one of the branches, consisting of a rod 13, which has a profile in the crown sector and which tapers downward.
  • the upper part ends with a ring 14, perpendicular to the rod 13.
  • a notch 15 is arranged on a side of the antlers, just under the ring 14, in order to compensate for the thickness of the wedging pins 7 which are arranged on the pin 1 at the discs 6.
  • the twigs 16 are made on the stem 13 of the antlers and they are interconnected at level 17 for the longer ones.
  • FIG. 7 the detail of the rod head 13 is seen, with the perpendicular ring 14 and the notch for compensating the thickness of the pin 15.
  • Figure 8 shows a branch seen from above, with the fixing ring 14, the twigs 16 and the rod 13 whose profile represents in the upper part a sector of crown, so that the juxtaposition of the branches fills the space exactly located between pin 1 and cover 9.
  • the mechanism thus formed is easily assembled into a homogeneous group in the following manner.
  • the assembly worker places pin 1 on an assembly template consisting of a vertical rod fitted with a stop to retain the spindle, then it successively threads the grooves 13 which are juxtaposed.
  • the first branch 13 is supported at the level of the ring 14 on the first guide disc 6, and is locked in rotation relative to the spindle 1 thanks to the wedging pins 7 arranged on the discs 6.
  • the second branch comes to wedge in height and rotation on the previous antlers and its ring.
  • the set of rods 13 sleeves the spindle 1 in a spiral, and the last branch placed is juxtaposed with the first.
  • the ring gear 10 of the cover cooperates with the pawl 5 arranged on the pin 1 to prevent any backward movement of the locking cover.
  • the pin 21 is cylindrical in its upper part 22, and slightly conical in its lower part 23, in order to prevent the handle of the broom to slide through.
  • the cylindrical part 22 is delimited at the top by a bulge 24, intended to retain the locking cover, and two lugs 25, arranged on the bulge 24, locally reinforce the locking means.
  • the conical part 23 carries several guide discs 26, the first of which upwards retains the first groove in the axial direction, and the assembly of which maintains the cylindrical and homogeneous bundle, while compensating for the taper of the lower part of the spindle .
  • the guide discs 26 do not have a lug for locking the grooves in rotation relative to the spindle.
  • the cylindrical part 22 of the spindle 21 is provided with two wide longitudinal notches 27. These notches 27 are diametrically opposite.
  • Figure 10a which shows the pin 21 seen from above, highlights the cylindrical part 22, the bulge 24 and its two diametrically opposed reinforcement lugs 25, intended for locking as well as the two notches 27, also diametrically opposite and placed perp-endicu the airemen to the lugs 25.
  • Figure 11 shows the detail of the locking cover 28, which consists of a profiled sleeve in its upper part.
  • the internal upper part is provided with packing tabs 29, intended to retain the antlers and which are at least three in number, in order to block them uniformly.
  • longitudinal bulges 30 are arranged to guide the antler heads. These bulges have a triangular section.
  • the external lower part of the cover can be reinforced with a plastic thickness to increase the resistance of this area.
  • the upper opening of the cover which is circular in shape and which is placed on the spindle, is fitted with two rotation locking pins 31.
  • FIG. 11a which is a bottom view, shows the cover 28, the grooves for guiding the grooves 30, the packing tabs 29, and the lugs for blocking the rotation of the cover 31.
  • one of the branches consisting of a rod 32, which has a triangular profile and which tapers downwards.
  • the upper part ends with a ring 33, perpendicular to the rod 32.
  • the sweeping twigs 34 are arranged on the central rod 32 of the antlers.
  • the stem head 32 is devoid of twigs in the area which must be covered by the cover.
  • Certain sweeping twigs 34 receive small studded twigs 35 placed in a plane inclined downward relative to the plane of the sweeping twigs.
  • Two or three crampon twigs 36 are also placed on the lower part of the central rod 32, in a plane inclined upwards relative to the plane of the sweeping twigs 34.
  • the mechanism thus formed is easily assembled into a homogeneous group in the following manner.
  • the assembly worker places the spindle 21 on a mounting template which consists of a vertical rod provided with a stopper for retaining the spindle, then he successively threads the grooves 22 by judiciously mixing their distribution around the spindle, making slide the rings 13 on the spindle 21.
  • the first branch is supported at its ring 23 on the first guide disc 26.
  • the second branch is wedged in height on the ring of the first branch.
  • the width of the rods 22 is calculated such that the stacking of all the branches causes them to form a fluted crown around the pin 21.
  • the antlers can be stacked in a spiral or in a different order.
  • the grooves for guiding the grooves 30 are placed in the grooves obtained by the juxtaposition of the groove rods of triangular section, so that these cannot rotate relative to the cover.
  • the unlocking of the device remains possible when the handle of the broom is not placed in the spindle 21. Indeed, it suffices to manually shrink the head of the spindle, which is made possible by the two notches 17, such so that the cover 28 crosses the bulge 24 and the two pins 25 of the spindle.
  • the present invention offers the advantage of producing a birch type broom entirely of plastic material, for a very competitive cost price taking into account the simplified assembly operations.
  • the studded twigs ensure that the branches are hooked together, which contributes to the homogeneity of the bundle.
  • the dismantling of the assembly and the interchangeability of the antlers allows the replacement of one or more antlers to replace the more worn ones.
  • the locking mechanism allows the improvement of the assembly time and the use of an inexpensive injection mold taking into account the less strict tolerances.

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP84440027A 1983-06-30 1984-06-22 Körper für Besen mit künstlichem Astwerk Withdrawn EP0130929A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8311200 1983-06-30
FR8311200A FR2548239B1 (fr) 1983-06-30 1983-06-30 Dispositif de balai plastique a ramure brochee
FR8404793A FR2561683B2 (fr) 1984-03-22 1984-03-22 Dispositif de balai plastique a ramure brochee
FR8404793 1984-03-22

Publications (2)

Publication Number Publication Date
EP0130929A2 true EP0130929A2 (de) 1985-01-09
EP0130929A3 EP0130929A3 (de) 1987-04-08

Family

ID=26223518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84440027A Withdrawn EP0130929A3 (de) 1983-06-30 1984-06-22 Körper für Besen mit künstlichem Astwerk

Country Status (3)

Country Link
US (1) US4562609A (de)
EP (1) EP0130929A3 (de)
BR (1) BR8403248A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180017368A (ko) * 2016-08-09 2018-02-21 권영일 청소용 빗자루

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8415719D0 (en) * 1984-06-20 1984-07-25 Hon Liu Artificial christmas trees
CN112168096A (zh) * 2020-10-16 2021-01-05 武克学 一种扫帚
TWI861816B (zh) * 2023-04-14 2024-11-11 晉億實業股份有限公司 莖葉分離機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1371636A (fr) * 1963-10-16 1964-09-04 Wiener Kammfabrik Anton Abraha Brosses rouleaux
US3651531A (en) * 1970-07-02 1972-03-28 Billy J Wietelman Broom guide
FR2188998B1 (de) * 1972-06-23 1974-10-25 Leroy Henri
FR2328438A2 (fr) * 1975-10-21 1977-05-20 Leroy Henri Enroulement de tiges en plastique formant un balai du type bouleau
FR2482853B1 (fr) * 1980-05-20 1986-11-21 Rozier Henry Balai a feuilles, avec genets et dispositif de fixation en matiere plastique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180017368A (ko) * 2016-08-09 2018-02-21 권영일 청소용 빗자루

Also Published As

Publication number Publication date
US4562609A (en) 1986-01-07
EP0130929A3 (de) 1987-04-08
BR8403248A (pt) 1985-06-11

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