ATB shock absorber

Details ATB shock absorber ATB shock absorber

1989-02-06

1989-11-21

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

188269, 267 6426, B62K 2120

Patent

active

048817503

ABSTRACT:
The headset of a conventional All Terrain Bicycle is modified to permit the load supported by the front wheel to be transferred to the bicycle frame through a column of compressed air to minimize the shock and vibration to the rider when riding over rough ground. A valve matching those in the bicycle tires is located on the centerline of the steering axis above the handle bar stem and permits the compressed air pressure to be adjusted for different rider weights through use of a conventional bicycle pump. The typical air pressure required is less than the tire pressure. This IMPROVED ATB SHOCK ABSORBER includes provisions for hydraulically damping the air spring motion. The shock absorber design should permit hard use for long periods without maintenance.

REFERENCES:
patent: 689970 (1901-12-01), Horack
patent: 2233313 (1941-02-01), Hazelroth
patent: 3243006 (1966-03-01), Sparks
patent: 3722874 (1973-03-01), Kress
patent: 3936076 (1976-02-01), Probst
patent: 4815763 (1989-03-01), Hartmann

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