Automatic speed reducing ratio-switching apparatus

Details Automatic speed reducing ratio-switching apparatus Automatic speed reducing ratio-switching apparatus

2007-05-22

2007-05-22

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid resistance inhibits relative rotation

Reexamination Certificate

active

11146346

ABSTRACT:
Helical gears are used for a sun gear, planet gears, and an internal gear. Accordingly, when a load, which exceeds a preset torque, is applied to the internal gear, the internal gear is moved in a direction toward an input shaft or a direction toward an output shaft while making rotation in a direction different from that of the sun gear to automatically switch the speed reducing ratio.

REFERENCES:
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patent: 2005/0022523 (2005-02-01), Nagai et al.
patent: 2005/0054468 (2005-03-01), Nagai et al.
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patent: 2003-184982 (2003-07-01), None
patent: 2005-54862 (2005-03-01), None
patent: 2005-106284 (2005-04-01), None

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