Pneumatic bicycle saddle

Details Pneumatic bicycle saddle Pneumatic bicycle saddle

1985-12-11

1986-09-16

Aschenbrenner, Peter A.

Chairs and seats

Straddle seat

Pneumatic cushion

297DIG3, B62J 126

Patent

active

046118519

ABSTRACT:
A molded, lightweight pneumatic bicycle saddle. The saddle is molded entirely of plastic and includes a relatively rigid lower wall providing structural support and strength to the saddle and a flexible upper wall providing comfort to the rider. The lower wall may also include a plurality of ridges angularly disposed with respect to one another to provide additional strength thereto. A valve is provided for inflation of the saddle. The bicycle of this invention is molded ina low pressure process such as rotocasting or reaction injection molding. In the rotocasting method, the same material is used for both walls but the upper wall is provided with a lesser thickness than the lower wall. In the reaction injection molding technique, the differences in rigidity are provided by forming each wall of a different material having the desired flexibility. In the rotocasting technique, the thickness of the upper wall may be varied from point to point to offer a greater degree of flexibility at some points and a greater degree of rigidity at other points to customize the seat to the needs of a particular rider. Connectors, such as sockets, are molded into the lower wall for insertion of a metal support bar for attachment to a standard bicycle seat support.

REFERENCES:
patent: 600799 (1898-03-01), Pillatt
patent: 1678972 (1928-07-01), Bronberger
patent: 2173224 (1939-09-01), Bergwall
patent: 3170172 (1965-02-01), Kessman
patent: 3758153 (1973-09-01), Bonikowsky
patent: 4098537 (1978-07-01), Jacobs
patent: 4363516 (1982-12-01), Braly et al.

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