Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1993-04-09
1994-02-15
Bonck, Rodney H.
Machine element or mechanism
Control lever and linkage systems
Elements
745511, 280276, B62K 2114
Patent
active
052856976
ABSTRACT:
A bicycle handlebar assembly (25) for damping and reducing the shock to which a cyclist is normally exposed is disclosed. The assembly includes a mounting block (256) attached to the head (12) of a bicycle front fork assembly. An upper linkage member (252) and a lower linkage member (254) that are parallel and spaced apart from each other are pivotally attached at their tail ends to the mounting block. A handlebar clamp (258) for securing a set of handlebars (24) thereto is pivotally attached to the front ends of the upper and lower linkage members. A damping element is disposed against one of the linkage members for slowing the downward movement of the linkage members and serving as a sink for a downward force applied to the linkage members when the handlebars are urged downward. In some preferred embodiments of the invention the damping member is a spring element (268). The assembly may also be provided with a lockout arm (552), that, when engaged restricts the pivoting of the linkage member to temporarily lock out the shock absorbing capabilities of the assembly.
REFERENCES:
patent: 897579 (1908-09-01), Brannan
patent: 1060442 (1913-04-01), Erickson
patent: 2324403 (1943-07-01), Kuhn
patent: 4726600 (1988-02-01), Wu
patent: 5082302 (1992-01-01), Nacar
patent: 5138900 (1992-08-01), Hals
patent: 5186074 (1993-02-01), Arnold
patent: 5220851 (1993-06-01), Flechel
Allsop Handlebar Drawings (9 sheets).
Allsop, Inc.
Bonck Rodney H.
Massey Ryan W.
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