Body frame for vehicles

Details Body frame for vehicles Body frame for vehicles

1984-11-06

1994-10-11

Hill, Mitchell J.

Motor vehicles

Special wheel base

Having only two wheels

280276, 280279, 2802811, B62K 1102, B62K 1902, B62K 2104

Patent

active

053538889

ABSTRACT:
A body frame (2) for a vehicle (1) of a straddle type, such as a motorcycle or a motorized tricycle, which has integrally formed, on a head tube (3) steerably suspending a front suspension (5), a reinforcement tongue (42; 142) for reinforcing the fastening between the head tube and a down tube (12) made of pipe. The reinforcement tongue is formed on a forged lower end piece (33) of the head tube and extends therefrom so as to asymptotically approach the underside surface of the down tube. The reinforcement tongue may additionally have fitted thereon a fish piece (146; 246) provided either in a pair with one at each side or as a single member, in accordance with necessary strength requirements.

REFERENCES:
patent: 4260170 (1981-04-01), Terai et al.
patent: 4280582 (1981-07-01), Kouyama et al.
patent: 4561670 (1985-12-01), Takada

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