Differential gear system with a three-step control mechanism

Details Differential gear system with a three-step control mechanism Differential gear system with a three-step control mechanism

2006-05-03

2008-09-02

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Differential planetary gearing

Spur gear differential

Reexamination Certificate

active

07419453

ABSTRACT:
A differential gear system with a three-step control mechanism uses the axial motion of a single member to achieve three functions of ON, OFF and LOCK. The differential gear system has a locking mechanism installed in the planetary gear carrier between two planetary gears thereof. Extra space for the locking mechanism is not necessary. It can be applied to differential gear systems with spiral bevel gears and with regular gears. The locking mechanism can be mounted between two planetary gears of the planetary gear carrier or on the shaft of the planetary gear corresponding to the other planetary gear connected with the clutch sleeve. Accordingly, the differential gear system with a three-step control mechanism comprises a left shaft, a right shaft and a planetary gear carrier between the left shaft and the right shaft. The left shaft and the right shaft are respectively one-piece axles provided with end connecting sections.

REFERENCES:
patent: 968224 (1910-08-01), Wolf
patent: 2638797 (1953-05-01), Gross
patent: 5106351 (1992-04-01), Williams et al.
patent: 5499951 (1996-03-01), Showalter
patent: 5853342 (1998-12-01), Pritchard et al.
patent: 7147584 (2006-12-01), Lu
patent: 2007/0225110 (2007-09-01), Liu

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