Self-leveling static wheel balancer

Details Self-leveling static wheel balancer Self-leveling static wheel balancer

G - Physics

01

M

73/163

G01M 1/12 (2006.01) G01M 1/04 (2006.01)

Patent

CA 1061138

Abstract of the Disclosure A static vehicle wheel balancer has a base which is supported on the floor and which mounts a vertical post. A wheel balance head is provided for receiving and centering a tire and wheel assembly to be balanced and has a level for indicating unbalance. A universal pivot between the balance head and the post is provided wherein the pivot point of the balance head is maintained coincident with the post axis, even when the post axis is inclined from the vertical. In one embodiment, the pivot assembly is formed by an upwardly facing spherical anvil surface that supports three equal diameter balls. The balancing head mounts a single pivot ball that is supported by the three support balls. Resil- ient means are provided for cushioning the pivot ball. In another embodiment of the invention, the universal pivot action is obtained by the use of a Hooke universal joint. Another embodiment embodies a universal joint of the Hooke type wherein the spider arms are made in the form of flex- ible blades. Another embodiment embodies a universal pivot- ing assembly wherein two sets of cylindrical rollers roll on cooperating concave and convex cylindrical surfaces. -1a-

251113

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