Locking differential
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United States of America Patent
Stats
-
Jul 26, 1988
Grant Date -
N/A
app pub date -
May 15, 1985
filing date -
May 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A differential locking system in which the differential includes a differential carrier (1) which rotatably supports a pair of bevel gears (2,3) as well as a pinion gear (4) which meshes with the bevel gears (2,3) and is mounted for rotation on a shaft (5) supported by the differential carrier (1), the locking system including an annulus (6) splined to the carrier (1) and slideable axially of the carrier to cause engagement between splined teeth (9) on the annulus (6) and co-operating spline teeth (10) formed on one of the bevel gears (3) to lock the differential. The necessary axial movement of the annulus (6) is achieved by way of an annular piston (11) arranged in an annular cylinder (12) formed in the carrier (1) around the opposite bevel gear (2), and an actuating sleeve (13) which extends from the piston (11) to the annulus (6) to which it is rigidly attached, so that actuation of piston (11 ) causes the axial movement.
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