Transmission mechanism

Details Transmission mechanism Transmission mechanism

2007-01-04

2008-11-25

Nguyen, Thu (Department: 4155)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

Reexamination Certificate

active

07455615

ABSTRACT:
A transmission mechanism includes a motor, a first planetary gear set, a clutch connected with a sun gear, a second planetary gear set, a transmission shaft, an intermediate shaft and an output shaft. When the clutch is moved to the first position, the transmission shaft engages with the second planetary gear set and the output shaft, such that the power can be transmitted to the output shaft via the first planetary gear set, the second planetary gear set and the transmission shaft. When the clutch is moved to the second position, the transmission shaft disengages from the second planetary gear set and the output shaft, such that the power can be transmitted to the output shaft via the first planetary gear set, the second planetary gear set, the transmission shaft and the intermediate shaft.

REFERENCES:
patent: 2593629 (1952-04-01), Swift
patent: 5730232 (1998-03-01), Mixer
patent: 6076438 (2000-06-01), Rahm
patent: 6086502 (2000-07-01), Chung
patent: 6093128 (2000-07-01), Seith
patent: 6457535 (2002-10-01), Tanaka
patent: 6796921 (2004-09-01), Buck et al.
patent: 7168503 (2007-01-01), Teng

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