Compression-adjustable bicycle shock-absorbing apparatus

Claim 1

A compression-adjustable bicycle shock-absorbing apparatus (10) clamped in a steerer crown (2) of a bicycle comprising a lower tube (20) having an upper cavity and a mount member (201) thereunder and an upper tube (16) partially and slidably received within said cavity of said lower tube (20), a first socket means (15) having a central channel being fixed inside said upper tube (16); an adjusting means (3) having a head portion (31), a first neck portion (32), and a second neck portion (33), with said neck portions (32, 33) being rotatably received inside said first socket means (15); a union means (5) having a threaded channel (53) at the bottom thereof being rotatably and threadedly engaged to said second neck portion (33) of said adjusting means (3) thus having a downward movement when said adjusting means (3) is rotated counter-clockwise; a rod member (51) being threadedly fixed inside said channel (53) of said union means (5) and downwardly extending therefrom; a bellows (12) being engaged on a top end of said lower tube (20) and also slidably receiving a portion of said upper tube (16), said upper tube (16) and said bellows (12) being clamped by said steerer crown (2); a plurality of compressive units (7) and a compression spring (60) being arranged longitudinally inside said upper tube (16), said rod member (51) passing through said compressive units (7) and said compression spring (60); a washer member (63) having a central hole allowing said rod member (51) to pass therethrough contacting against said compression spring (60); a socket bolt located under said washer member (63) having an upper socket (171) and a lower bolt member (172), a channel (173) being defined from said upper socket (171) down to said bolt member (172), said lower bolt member (172) being engaged to said mount member (201)