| 摘要 |
Speed-change control device for direct mounting on a cycle frame member (F) provided with a direct mounting bed (1), consisting of a control lever pivot shaft (21), a control lever (22) having a boss, the pivot shaft (21) having a transverse bore (21a) for receiving therethrough, in use of the assembly (2), part of said bed (1) and/or a fastening means (3) engageable with said bed (1) for securing said assembly (2) to said bed (1), a first axial support means (41) for axially supporting said control lever (22) in position on said pivot shaft (21), and a second axial support means (23-25) including a resilient biasing means (23) for supporting said control lever (22) with its boss against said first axial support means (41) with sufficient frictional force therebetween to retain said control lever (22) in a desired angular position relative thereto whilst permitting relative rotation therebetween for changing speeds in a speed-change mechanism connected thereto in use of said assembly (2). |
