Claims
- 1. A caster for shopping and transport trolleys which are suitable for conveyance on travelators, the caster comprising:
a wheel fork provided with fork arms; a hub arranged between the fork arms; an axle body having a round cross-section and extending through the hub; two running wheels mounted on the hub; the hub having a crosspiece arranged between the running wheels and the outer contour of the crosspiece having a cylindrical or other geometrically uniform shape; at least one support arranged on at least one of the two fork arms and adapted to support the caster when the running wheels are located in grooves separated by bridge pieces of a conveyor belt of a travelator, wherein, measured from a floor, a lowermost boundary of the crosspiece of the hub is arranged higher than a contact surface of the at least one support.
- 2. The caster according to claim 1, wherein the distance between the two running wheels is selected so that, when the caster is placed on the conveyor belt of the travelator, the running wheels are arranged in directly adjacent grooves separated by only one bridge piece.
- 3. The caster according to claim 1, wherein the distance between the two running wheels is selected so that, when the caster is placed on the conveyor belt of the travelator, the running wheels are arranged in grooves separated by two bridge pieces.
Priority Claims (1)
Number |
Date |
Country |
Kind |
102 29 931.5 |
Jul 2002 |
DE |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] The present application is a continuation-in-part of PCT/DE 2002/003838, filed on Oct. 11, 2002, and which claims the priority of DE 102 29 931.5, filed on Jul. 5, 2002. The contents of PCT/DE 2002/003838 and DE 102 29 931.5 are hereby incorporated herein by reference.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
PCT/DE02/00383 |
Oct 2002 |
US |
Child |
10879051 |
Jun 2004 |
US |