Patent ID: 6120010
Filing Date: 2000-09-19
Classification: F16F,Y10T

Abstract:
In combination:a tire type air valve having a root end with an external thread of a first pitch;an air filled shock absorber having an air fitting with an external thread of a second pitch; andan air valve adapter connecting the air valve to the air fitting of the air filled shock absorber, said air valve adapter comprising:a casing having first and second ends, an outer surface and an inner surface, said casing having a longitudinal axis extending between said first and second ends of said casing, said inner surface of said casing defining a central bore through said casing extending between said first and second ends of said casing, said central bore being coaxial with said longitudinal axis of said casing;said outer surface of said casing having a generally polygonal cross section taken perpendicular to said longitudinal axis of said casing, said outer surface of said casing having a plurality of sides, wherein said cross section said outer surface of said casing comprises a hexagon, and wherein said plurality of sides of said outer surface of said casing comprises six sides;said inner surface of said casing having a first threaded portion and a second threaded portion, said first threaded portion being positioned adjacent said first end of said casing, said second threaded portion being positioned adjacent said second end of said casing;said first threaded portion of said inner surface of said casing being adapted for threadably engaging a threaded root end of an air valve inserted through said first end of said casing into said bore of said casing, said first threaded portion of said inner surface of said casing having threads of a first pitch complementary to the first pitch of the threads of the root end of the air valve;said second threaded portion of said inner surface of said casing being adapted for threadably engaging a threaded air fitting of an air shock absorber inserted through said second end of said casing into said bore of said casing, said second threaded portion of said inner surface of said casing having threads of a second pitch complementary to the second pitch of the threads of the air fitting of the air shock absorber; anda throat portion extending inwardly from said inner surface of said casing, said throat portion being positioned between said first and second ends of said casing, said throat portion having a diameter smaller than a diameter of said inner surface of said casing for compressing an air flow from said second end to said first end.