FR2639597A1 - TRANSPORT TROLLEY HAVING A PUSH DEVICE - Google Patents

Abstract

The invention relates to a transport trolley 18 comprising a pushing device 1. This pushing device 1 comprises two yokes 2 carrying a push bar 16, which can be slipped on loops 22 provided on the transport trolley 18 and be blocked on them. Each yoke 2 has two fixing places 4, 8, the first place 4 being provided for the detachable fixing of each yoke 2 to a loop 22 and the second place being provided for the detachable fixing of the push bar 16 to the yokes 2. The cart is, in particular, a shopping cart.

Description

Transport trolley with pushing device.

  The present invention relates to a transport carriage equipped with a thrust device, in particular a shopping trolley in which the thrust device is formed of two clevises and a thrust bar perpendicular to the direction of thrust, the clevises can be slid on two loops provided on the transport trolley, the push bar can be inserted between the yokes, and the yokes and the bar

  thrust that can be blocked on the loops.

  Pushing devices of this type are provided, in particular for built-in shopping trolleys which are available to customers in the shops. The pushing devices consisting essentially of clevises and a push bar, furthermore offer the advantage that the push bars can be wrapped in emblems, for example "advertising strips", for advertising purposes. The push rods are furthermore sheathed with flexible plastic material, so that the emblems are protected against damage and the push rods themselves do not

are not unpleasant to the touch.

  In the German patent application DE-OS 30 44 581 is described a steering bar for transport carriage, which consists of two clevises and a cross bar forming a handle, the clevis and bar constituting a welded or brazed assembly of one piece. The proposed steering bar has the advantage of providing a thrust device that allows the user to take the carriage at a greater distance from its rear limit and push it. Such a pushing device may, for example, be advisable when a carriage carriage in the form of a shopping cart is equipped with a rearwardly deployable rack for bottle rack as described in FIG. However, the direction bar of the above-mentioned German patent application also has drawbacks. Thus, this steering bar can not be adorned with advertising emblems of the type described above, because no flexible plastic sheath can be fixed permanently. The screeds

  welded to the bar prevent, indeed, such a fixation.

  In addition, the handles bent down prevent the transport carriages to fit into each other as narrowly as possible. The narrower fitting, particularly in the case of shopping carts, is however of enormous importance for

  reasons for congestion in self-service.

  The invention aims to provide a thrust device of the specified type which allows the mounting of the push bar at a greater distance from the rear limit of a transport carriage. In this case, the application of advertising emblems must be possible without the embedding capacity of the transport trolleys being adversely affected thereby, that is to say that the initial installation state as narrow as possible of the trolleys must be kept even after the

  mounting the thrust device to be developed.

  This object is achieved by the fact that each yoke of the thrust device has two attachment points, the first place being provided for the fixing of the yoke each time to a loop of the transport carriage and the second place being provided for the attachment of the push bar to the clevises and that, when the clevises and the push rod are mounted on the transport carriage, the second point of attachment of the clevises is located above

than the first.

  The advantage of the invention lies in the fact that, thanks to the advantageous arrangement of the attachment points on the yokes, an extended mounting towards the rear of the push bar on the transport trolley is possible without the condition as close as possible to the transport carriages being adversely affected and by the fact that advertising emblems and a flexible plastic sheath can, in addition, be provided on the thrust bar in a protected manner. Another advantage lies in the fact that, after the loops have been conventionally provided on the baskets of the transport trolleys, different thrust devices can be mounted on similar baskets and, in particular, those made according to the technique. known or those proposed by the present invention. According to the realization of the transport trolley and its field of use, the first and the second thrust device will be proposed indifferently

for the same baskets.

  An exemplary embodiment of the invention will be described below in detail with reference to the accompanying drawings, in which: FIG. 1 illustrates a transport carriage in the form of a shopping trolley equipped with the thrust device according to the invention; FIG. 2 is a view of a clevis with a push bar in place on a loop, and FIG. 3 illustrates several trolleys

  embedded in one another.

  Fig. 1 illustrates a thrust device 1 mounted on a transport trolley 18. The trolley 18 has, in this example, the shape of a shopping trolley of conventional type. The transport carriage 18 thus comprises a basket 20 which is placed on a wheeled chassis 19. On the rear wall 21 'of the basket 20, on both sides thereof are mounted in a known manner two semicircular loops 22 oriented towards the rear and in essence obliquely upward. The two loops 22 carry the thrust device 1 which consists essentially of two clevises 2, preferably of plastic material, slid on the loops 22, and a bar of

thrust 16 connected to the yokes 2.

  Fig. 2 is a sectional view of a yoke 2 slid on a loop 22 and a portion of the push bar 16. The yoke 2 has a known manner a housing 3 in which is inserted the loop 22. A height of the axis 23 of the loop is provided in the yoke 2, a first attachment location 4 which has an opening 5 in which is inserted a fastener 14 having, for example, the shape of a screw. The fixing member 14 is screwed into a peg-shaped counterpart piece 13 which is introduced through an opening 6 situated on the opposite side of the yoke 2 and is supported in part with matching shapes on the rounded area 24 of the buckle 22. Thanks to the screwing of the fastener 14 in the counterpart part 13 and the shaped engagement of the loop 22 at the housing 3 and in it, the yoke 2 can be locked in position on the loop 22. Opposite the opening 7 of the housing, a second attachment point 8 on the yoke 2 is provided at a distance from the first attachment point 4. The second attachment point 8 serves to lock the push rod 16 on the yoke 2. The second attachment location 8 also has an opening 9 for receiving a fastener 14, for example a screw. At the height of the axis 15 of the fastener 14, a tubular section 10 is provided on the yoke 2 and is intended to fitly receive an end section 17 of the push rod 16. Inside the section 10, on the same axis 15, is formed an attachment section 11 in the form of ankle which is accessible from the outside through the opening 9, so that the fastener 14 can be screwed into the anchor-shaped fixing section 11, which finally causes in a known manner the expansion of the ankle-shaped attachment section 11 and thus the blocking of the push bar 16. The arrangement of the opening 9, the tubular section 10 and the ankle-shaped fastening section 11 conforms to the "protective toggles forming handles" that the Applicant has been using since

  a long time in the manufacture of shopping carts.

  The second yoke 2 of the thrust device 1 is arranged enantiomorphously with respect to the yoke 2 which has just been described. A rib 12 provided between the first and second attachment locations 4 and 8 contributes to the

stiffening of the screed 2.

  Fig. 3 illustrates, in side elevation, three

  transport trolleys 18 recessed into each other.

  The drawing shows a part of the loops 22 as well as the caps to slide on the loops 22. The second attachment location 8 is higher than the distance A of the first fixing location 4. This ensures that the pushing devices 1 do not do not interfere with each other in the as close as possible position of the carriages of

transport 10.

  In place of the counterpart 13 illustrated in FIG. 2, it is also possible to provide an ankle-shaped attachment section 11 which must be formed on the yoke 2 in such a way that the mounting of the yoke 2 on a loop 22 is not prevented. If the diameter of the fastener 14 must be smaller than that of the eye of the loop 22, a sleeve must be slid on the fastener 14, the diameter of this sleeve corresponding to approximately that of the eye of the loop 22, to ensure a free play free of the clevis

2 on a loop 22.

  Another possibility of blocking the clevises 2 on the loops 22 is provided by the structure which is described in the German patent DE-PS 29 05 848. In place of the counter piece in the form of ankle 13 and the body fixing 14 described in FIG. 2, it is possible to use also a locking piece that can fit with the yoke, according to the patent

mentioned above.

  Finally, it should be noted that instead of loops 22 on the transport carriage 18, one can, of course, also imagine other projections that can be inserted into a correspondingly shaped housing 3 of the yoke 2. The loops 22 have been cited as typical fastening points in the embodiments described above, because, especially in shopping carts, the baskets made of wire 20 have such loops.

also in wire.

Claims (5)

CLAIMS V E N D I C A T IO N S   1.- Transport trolley, in particular a shopping trolley, equipped with a thrust device, in which the thrust device is formed of two yokes and a thrust bar disposed perpendicularly to the direction of thrust, the treads being able to be slid on two loops provided on the transport carriage, the push bar can be inserted between the yokes, and the yokes and the push bar can be locked on the loops, characterized in that each yoke (2) has two fixing places (4, 8), the first place (4) being provided for fixing the yoke (2) each time to a loop (22) and the second place (8) being provided for fixing the bar of pushing (16) to the yokes (2) and that when the yokes (2) and the push rod (16) are mounted on the transport carriage (18), the second attachment point (8) is located higher than the first fixing point (4).   2. Transport trolley according to claim 1, characterized in that each yoke (2) can be locked in place on the loop (22), by screwing or interlocking, by means of a counterpart part (13) or piece free lock that can be inserted into the   screed and be attached to the loop (22).   3. Transport trolley according to claim 1 or 2, characterized in that in the first place of attachment (4), instead of the counterpart (13) an attachment section in the form of ankle (11) intended to receive a fastener   (14) is formed in one piece.   4. Transport trolley according to claim 3, characterized in that the fixing member   (14) is guided in the loop (22) by means of a socket.   5.- Transport carriage according to any one   Claims 1 to 4, characterized in that the second   fixing point (8) is formed in a well-known manner by an opening (9) passing through a tubular section (10) and by an ankle-shaped attachment section (11) present in the tubular section (10), all these elements   (9, 10 and 11) being arranged on the same axis (15).