Differential gears

Details Differential gears Differential gears

2006-12-13

2009-12-01

Estremsky, Sherry L (Department: 3655)

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

C192S070120

Reexamination Certificate

active

07625308

ABSTRACT:
The invention provides a differential gear which can effectively prevent a drag noise of a clutch plate by a simple structure. In a differential gear (10) provided with a clutch means (16) having an inner pawl clutch plate (12) integrally rotating with a side gear (11), and an outer pawl clutch plate (14) integrally rotating with a differential case (13), a main communication path (41) and a radial communication path (44) communicating a bottom of the side gear (11) with a fitted portion (17) between the side gear (11) and the clutch plates (12, 14) is formed in the side gear (11), as a lubricating oil supplying means (40) for supplying a lubricating oil within the differential case (13) to a portion between sliding surfaces of both the clutch plates (12, 14) from the fitted portion (17) between the side gear (11) and the clutch plates (12, 14).

REFERENCES:
patent: 3495298 (1970-02-01), Engle et al.
patent: 5669474 (1997-09-01), Dehrmann et al.

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