B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
B60B 33/00 (2006.01)
Patent
CA 2206719
An improved caster assembly having a wheel assembly carrying a rotatable wheel coupled to a base member for swivelling the wheel assembly on the base member and with a bearing arrangement disposed between the wheel assembly and the base member permitting relative swivelling, in which the bearing arrangement includes a first keeper bearing assembly and a second bearing assembly. The first keeper bearing assembly comprises ball bearing elements received in mating raceway grooves formed in each of the base member and the wheel assembly such that the wheel assembly and base member are kept coupled together against uncoupling when the ball bearing elements are received in the raceways. The second bearing assembly comprises a thrust bearing assembly between the wheel assembly and the base member to transmit forces therebetween.
Ensemble de roulettes amélioré constitué d'un porte-roulette muni d'une roulette mobile et fixé à une base lui permettant de pivoter. L'ensemble comporte également un dispositif de roulement placé entre le porte-roulette et la base, ce qui leur permet de pivoter l'un par rapport à l'autre. Le roulement comprend un premier et un second chapeaux de coussinet. Le premier chapeau de coussinet est doté de roulements à billes engagés dans des rainures de chemins de roulement correspondants, formés dans chaque base et porte-roulette, afin de les maintenir ensemble pour qu'ils ne se désunissent pas lorsque les roulements à billes sont introduits dans les chemins de roulement. Le second chapeau de coussinet comporte un palier de butée entre le porte-roulette et la base pour transmettre les forces entre ces deux éléments.
Guttmann Craig
Guttmann Max
Guttmann Sean
Guttmann Craig
Guttmann Max
Guttmann Sean
Riches Mckenzie & Herbert Llp
LandOfFree
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