Patent ID: 7234783

Claim:
A wheel axle assembly for a vehicle, including: an axle for extending across the vehicle, said axle having hollow ends, said axle assembly including at each end: a mounting collar rigidly supported by the hollow end of said axle, a spindle received in said mounting collar and extending into the hollow end of said axle, said hollow end of said axle defining a key hole extending across said axle, said spindle including therein opposed bearing surfaces alignable with said key hole when said spindle is inserted into the hollow end of said axle, a cam key extendable through said key hole of said axle to a position in alignment with said bearing surfaces of said spindle when said spindle is inserted in the hollow end of the axle, said cam key including cam means for engaging said bearing surfaces one at a time such that when said cam key is oriented in one direction and inserted into the keyhole its cam means engages one of said bearing surfaces and urges the spindle in one direction along the axle and when said cam key is oriented in another direction and inserted into the keyhole its cam means engages the other bearing surface and urges the spindle in the opposite direction along the axle.