Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1994-01-03
1996-02-20
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
280272, 280276, 280279, 745512, B62K 2112
Patent
active
054920337
ABSTRACT:
A steering damper for mountain bicycles including a closed cylinder filled with oil of high viscosity including a dam and vanes rotatable from center towards and away from the dam. The vanes are connected rotatably with the handlebars in reciprocal steering relationship with a steerable wheel. When the steerable wheel encounters an obstruction displacing it from center, the vanes are driven in the oil one towards and one away from the dam respectively decreasing and compressing and increasing and relaxing the corresponding volumes of the oil and damping the movement of the handlebars. The damping against the return of the handlebars and steerable wheel to center is suppressed by one-way valves in the vanes which open when the compressing vane is retracted, recesses in the cylinder providing a non-resistant path for the oil moving through the valve in the retracting vane.
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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