Mechanical locking differential

Details Mechanical locking differential Mechanical locking differential

1998-11-16

2000-06-27

Marmor, Charles A

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

475248, F16H 5704

Patent

active

060800763

ABSTRACT:
A differential drive has a differential carrier rotatably drivably supported around an axis in a drive housing. Two axle shaft gears are arranged in coaxial bores while being supported around the axis so as to be rotatable relative to the differential carrier. A plurality of differential gears are rotatably supported in axis-parallel cylindrical pockets in the differential carrier and rotate with the differential carrier. A first group of differential gears engage one of the axle shaft gears and a second group of differential gears engage the other one of the axle shaft gears. The axle shaft gears and the differential gears are designed as helical gears. The differential gears, on their tooth heads, rotate in the pockets, and the differential carrier has a central portion with the bores for the axle shaft gears and the pockets for the differential gears. Two cover parts axially close the bores and the pockets. In the central portion, there are provided continuous axis-parallel oil return bores which, by means of connecting grooves in the end faces of the central portion and/or in the inner faces of the cover parts are connected to the open ends of the pockets emerging at the respective end face.

REFERENCES:
patent: 4751853 (1988-06-01), Dissett
patent: 5295923 (1994-03-01), Takefuta
patent: 5556351 (1996-09-01), Hiraishi et al.
patent: 5620389 (1997-04-01), Sato
patent: 5624344 (1997-04-01), Yehl et al.
patent: 5669844 (1997-09-01), Homan et al.
patent: 5711737 (1998-01-01), Teraoka et al.
patent: 5885181 (1999-03-01), Dissett

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