Patent ID: 7661916

Claim:
A fastener assembly adapted for providing adjustment between at least two members, said fastener assembly including: a bolt having a head, a shank axially extending from said head, and a circumferentially uninterrupted threaded portion axially extending from said shank; a first cam washer fixed against rotation to said shank of said bolt adjacent said head of said bolt; and a second cam washer fixed against rotation to said shank of said bolt adjacent said threaded portion of said bolt, said shank of said bolt including at least one key feature, and said second cam washer including an aperture adapted for freely passing over said threaded portion of said bolt and further including at least one key feature corresponding to said at least one key feature of said bolt, thereby fixing said second cam washer to said shank of said bolt against rotation with respect thereto, said at least one key feature of said bolt being integrally formed into said shank of said bolt during production of said bolt, said at least one key feature of said bolt including at least two adjacent flats and said aperture of said second cam washer being defined by at least two corresponding adjacent flats, said at least two adjacent flats on said bolt and said at least two adjacent flats on said cam washer forming incomplete hexagons in cross section.