Bicycle with trailing arm wheel suspensions

Details Bicycle with trailing arm wheel suspensions Bicycle with trailing arm wheel suspensions

1993-09-16

1995-05-09

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

280284, 280285, 280276, 180219, 180227, B62K 2504

Patent

active

054133688

ABSTRACT:
A bicycle comprises a wheel-supporting frame member, a swing arm mounted on the frame member to pivot about a pivot axis, and a wheel mounted on the pivot arm for rotation about a rotation axis spaced apart from, to the rear of and substantially below the pivot axis. The pivot axis is located relative to the rotation axis such that upward vertical displacements of the rotation axis relative to the pivot axis upon rotation of the swing arm from a neutral position are accompanied by substantial rearward horizontal displacements of the rotation axis relative to the pivot axis. In the case of a rear wheel suspension, the drive chain passes over an idler sheave, which is mounted for rotation on the rear wheel support member generally below the pivot axis with its circumferential support surface for the chain located such that a tangent to it is proximate to the pivot axis.

REFERENCES:
patent: 1924363 (1933-08-01), Kanai
patent: 2489821 (1949-11-01), Ryder
patent: 3433318 (1969-03-01), Packard
patent: 4170369 (1979-10-01), Strutman
patent: 4659097 (1987-04-01), Kupper et al.
patent: 4742884 (1988-05-01), Ishikawa
patent: 4776609 (1988-10-01), Pan et al.
patent: 4809802 (1989-03-01), Seino et al.
patent: 4889205 (1989-12-01), Yoshimi
patent: 5042608 (1991-08-01), Horiike et al.
patent: 5072961 (1991-12-01), Huppe
patent: 5217241 (1993-06-01), Girvin
patent: 5284354 (1994-02-01), McWethy

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