Oil seal

An annular seal for preventing oil leakage, said seal adapted to fit around a driven member as a unitary item and comprising two outer right-angled shoulders each of which comprises a top portion and a side portion substantially perpendicular to said top portion, said shoulders being joined together by a flanged projecting neck, and an inner V-shaped lip, one V arm of which extends as a lengthened section substantially perpendicular to said top portion of one of said shoulders and fits against said side portion of said one of said shoulders in a parallel manner, the top portion of the other of said shoulders being adapted to fit snugly against a housing, said side portion of said other of said shoulders being shorter than said side portion of said one of said shoulders, and said V-shaped lip being adapted to fit at its point firmly against said driven member.