Machine element or mechanism – Gearing – Interchangeably locked
Patent
1987-09-09
1989-08-01
Wright, Dirk
Machine element or mechanism
Gearing
Interchangeably locked
74377, F16H 314
Patent
active
048524204
ABSTRACT:
A backward driving device for tricycle, especially scooter motorcycle remodelled for the disabled, to be installed to engine power output shaft, incorporated with a shifter for driving backward.
REFERENCES:
patent: 1947847 (1934-02-01), Harvey
patent: 2023585 (1935-12-01), Harvey
patent: 2299563 (1942-10-01), Carlson et al.
patent: 4546661 (1985-10-01), Weis et al.
patent: 4727768 (1988-03-01), Hayashi et al.
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