Land vehicles – Wheeled – Occupant propelled type
Patent
1995-09-08
1998-06-30
Johnson, Brian L.
Land vehicles
Wheeled
Occupant propelled type
280287, B62K 2520
Patent
active
057722285
ABSTRACT:
A bicycle frame which includes a shock absorber assembly which is coaxial and integral with the top tube of the frame. The entire shock absorber assembly is positioned within the top tube and thus completely forward of the seat tube and rearward of the head tube. The frame typically comprises two rear wheel support tubes each of which is integral with a rear wheel dropout at their lower end and each of which is detachably connected to one of two compression struts at its upper end. Each of the compression struts is separately, detachably and pivotally connected to the shock absorber assembly. The rear wheel dropout holds the axle of a rear wheel. The frame is configured such that when the rear wheel moves upward as in traversing a bump on the road the rear wheel dropout undergoes an arcuate motion which is translated to a linear motion of a piston in the shock absorber assembly via the rear wheel support tube and compression struts.
REFERENCES:
patent: 644957 (1900-03-01), Williams
patent: 3982770 (1976-09-01), Satoh et al.
patent: 4679811 (1987-07-01), Shuler
patent: 5259637 (1993-11-01), Busby
patent: 5385361 (1995-01-01), De Bei
patent: 5409248 (1995-04-01), Williams
patent: 5498013 (1996-03-01), Hwang
BeYond Beryllium Fabrications
Bozicevic, Esq. Karl
Johnson Brian L.
Lerner Avraham
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