Transmission and transport device including train using the...

Details Transmission and transport device including train using the... Transmission and transport device including train using the...

2011-08-09

2011-08-09

Young, Edwin A. (Department: 3655)

Planetary gear transmission systems or components

Differential planetary gearing

Differential or nondifferential planetary combined with...

Reexamination Certificate

active

07993234

ABSTRACT:
A transmission and a motor or non-motor type transport device including a cross-coupling power train using the transmission, such as chainless bicycle or wagon with two or four wheels are disclosed. The transmission includes a coarse adjustment gearshift of internal gear type and a fine adjustment gearshift of differential gear type which are mounted on a main shaft to change the speed and are selectively connected to each other by a shift lever to provide low-speed rotation and high-speed rotation.

REFERENCES:
patent: 6117038 (2000-09-01), Nishiji et al.
patent: 6604591 (2003-08-01), Bowen et al.
patent: 2002/0091031 (2002-07-01), Johnson

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