Bicycle seat adapter

Chairs and seats – Straddle seat – Coil spring-mounted

Patent

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Details

297195, 297209, B62J 102

Patent

active

044562950

ABSTRACT:
A unitary, light-weight, and readily installable shock absorbing device for use in conjunction with the seat of a bicycle provides a pair of interacting, open-ended housings which are held together in variable linear relationship by a pair of bolt-like fasteners. A plurality of coil springs are disposed internally of the housing and serve to separatably urge the housings in the direction of their maximally extended positions and a plurality of coil springs are also disposed exteriorly of the lower of the housings and serve to retard the abrupt separation of the housings caused by the internally disposed springs when the latter springs are compressed by the weight of a rider. The interaction of the open ends of the housings permit the internally disposed springs to contract and expand without transmitting or permitting forward or sidewise sway or shift to the seat of the bicycle. Auxillary coil springs of shorter linear dimension are also disposed internally of the housings and coaxially arranged relative to the longer springs thereof to enhance the cushioning effect of the shock absorbing device when a rider of relatively heavy weight is seated on the seat of the bicycle.

REFERENCES:
patent: 600686 (1898-03-01), Durbrow
patent: 609076 (1898-08-01), Bonet
patent: 1150259 (1915-08-01), Epley
patent: 1384791 (1921-07-01), Waterman et al.
patent: 1881136 (1932-10-01), Schmidt
patent: 2467676 (1949-04-01), Labine
patent: 2613723 (1952-10-01), Bryant
patent: 4182508 (1980-01-01), Kallai et al.

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