A trolley cart wheel assembly includes a wheel fork formed of two spaced ring-shaped side members respectively having locating holes circumferentially spaced thereon; a wheel disposed between the side members and including an annular base having balls disposed on a circumferential surface thereof in a staggered manner and first locking holes provided on two side walls thereof, a rim covering the balls, a tire covering the rim, and two locating rings disposed on two lateral sides of the annular base to limit the rim between them and being provided with radial notches, such that screws can be extended through the radial notches, the first locking holes and the locating holes to lock the wheel fork, the annular base and the locating rings together; and two wheel covers being provided on respective inner wall surface with axially projected hooks adapted to hook onto inner wall surfaces of the side members.
TROLLEY CART WHEEL ASSEMBLY
2018-05-03
Patent
Electronic Resource
English
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |