Patent ID: 6880469

Claim:
A trolley wheel assembly for a conveyor trolley comprising: a hub portion; a wheel portion rotatably positioned around said hub portion; and at least one sliding member positioned between said wheel portion and said hub portion, said sliding member defining at least one mating surface for mating with a generally correspondingly formed mating surface of at least one of said wheel portion and said hub portion, said mating surface of said sliding member defining a radial projection at least substantially circumferentially around said sliding member, said radial projection being positioned inward of the ends of said wheel portion and said hub portion, said mating surface of said at least one of said wheel portion and said hub portion substantially encompassing said radial projection of said sliding member, said radial projection slidably mating with said generally correspondingly formed mating surface of said at least one of said wheel portion and said hub portion to facilitate rotation of said wheel portion about said hub portion.