Patent ID: 7063343
Filing Date: 2006-06-20
Classification: B62K

Abstract:
1. A front fork damper installed in a bicycle front fork, said bicycle front fork comprising a fork pipe and a bottom case coupled to said fork pipe and axially movable relative to said fork pipe, said fork pipe having a bottom end terminating in an inwardly protruding inside flange and a bottom center through hole surrounded by said inwardly protruding inside flange, said inwardly protruding inside flange having an inner stop face and an outer stop face, said fork pipe and said bottom case defining therein a chamber holding a hydraulic fluid, the front fork damper comprising: a damper body joined to said inwardly protruding inner flange of said fork pipe and movable between an upper limit position and a lower limit position, said damper body comprising a neck inserted through the bottom center through hole of said fork pipe, said neck having a top end and a bottom end, a first stop face radially outwardly formed at the top end of said neck, and a second stop face radially outwardly formed at the bottom end of said neck, said first stop face being stopped at said inner stop face of said inwardly protruding inner flange when said damper body is moved to said lower limit position, said second stop face being stopped at said outer stop face of said inwardly protruding inner flange when said damper body is moved to said upper limit position; a flow path formed in said damper body, said flow path having an opening in fluid communication with the inside space of said bottom case; at least one first through hole extending through said damper body, the at least one first through hole each having a first end in fluid communication with the inside space of said fork pipe and a second end in fluid communication with said flow path; and a plurality of second through holes extending through said damper body, said second through holes each having a first end in fluid communication with the inside space of said bottom case and a second end extending to said second stop face.