Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1995-02-23
1998-11-17
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
745511, 280272, 280276, 280279, B62K 2112
Patent
active
058362134
ABSTRACT:
A steering damper particularly for mountain bicycles of the type having a steer-tube including a cylinder having closures at the ends filled with oil of high viscosity. Within the cylinder there are a dam and vanes. The dam is rotatable on a shaft from a center position towards and away from the vanes. The shaft is connected to the handlebars and is rotatable with the handlebars which are connected to control the steering movement of a steerable wheel through the steer-tube. The steering damper is integrated with the steer-tube and with the handlebars and steer-stem. The vanes of the steering damper are connected to the frame and are fixed. The housing and dam connected internally to the housing are disposed in, and connected to, the steer-tube so that when the handlebars are rotated, the housing and dam are rotated relative to the vanes. When the handlebars are being displaced from center, pressure is applied to the oil between the dam and a vane and the movement is damped. On the return stroke of the handlebars, the one-way valve in the vane involved is open, the oil between the dam and the vane is discharged, pressure is reduced and the damping is suppressed.
REFERENCES:
patent: 5285697 (1994-02-01), Clausen
patent: 5305654 (1994-04-01), Durham
patent: 5359910 (1994-11-01), Chang et al.
Diamond Hymen
Luong Vinh T.
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