Motorcycle Jack

摘要

A portable motorcycle jack is provided comprising a base arm and a lift arm hingedly joined for folding the two components together. The base arm has a foot that rests co-planar with the ground when in use. The lift arm is hingedly joined to the base arm at base end and has a cradle for engaging the motorcycle at an cradle end.;In another aspect, the base arm has a plurality of apertures arranged linearly and sloped relative to the base arm to provide adjustment in length of the motorcycle jack while maintaining the over-fulcrum angle of the base arm relative to the lift arm regardless of which length is selected.

主权项

1. A portable motorcycle jack for supporting a rear wheel of a motorcycle, the portable motorcycle jack comprising:
a U channel base arm having a web and two side flanges; a lift arm defined by a body having a base end and an cradle end, and hinged at said base end to said two side flanges of said base arm providing a hinged joint; a pivot pin mounting said lift arm within said base arm for hinged rotation between a folded position in which said lift arm is contained within said base arm and a hyper-extended position in which said lift arm moves over said hinged joint to extend outwardly from said base arm to an over-fulcrum angle defined by the relative position of the longitudinal axis of said lift arm to the longitudinal axis of said base arm for supporting the rear wheel of the motorcycle; a cradle extending from said cradle end of said lift arm for engaging a swing arm on the motorcycle; and said base arm having a foot that rests coplanar with the ground when in use.