Eccentric retaining bolt for earthworking tools and method

Claim 1

A work tool for construction vehicles comprising a support member defining a forward edge thereon, an adapter mounted on said support member and defining a bearing surface thereon maintained in bearing contact with the forward edge of said support member, an earthworking tip mounted on a forward end of said adapter, means, including a bolt having eccentric cam means formed thereon, detachably mounting said adapter on said support member and for providing and maintaining the bearing surface of said adapter in bearing contact with the forward edge of said support member said cam means comprising a cylindrical cam having a longitudinal axis thereof disposed in offset relationship relative to a longitudinal axis of a shank of said bolt and disposed within a bore formed in said adapter, and anti-rotation means for preventing said bolt from rotating relative to said adapter comprising a head secured on a first end of said bolt, a plurality of teeth formed circumferentially on the periphery of said head to project radially outwardly therefrom and a plurality of notches formed circumferentially within a counterbore defined within the bore formed in said adapter, said teeth disposed within said notches for preventing said bolt from rotating relative to said adapter.