Patent ID: 7007569
Filing Date: 2006-03-07
Classification: G05G,Y10T

Abstract:
1. A telescoping lever arm, comprising: a tube having an opening at one end thereof and having an inner circumferential dimension along the inside thereof, wherein said opening is smaller than said inner circumferential dimension; a rod having an outer circumferential dimension that is smaller than that of said opening, said rod residing partially in said tube and extending therefrom via said opening; at least one annular flange coupled to said rod at a portion thereof residing in said tube, each said annular flange defined by a circumferential dimension that is larger than that of said opening and smaller than said inner circumferential dimension of said tube; and at least one annular rib formed on an inner surface of said tube, each said annular rib defining a passage large enough to pass said rod and each said annular flange.