Camming differential with oil pump means
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United States of America Patent
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-
Mar 11, 1997
Grant Date -
N/A
app pub date -
Sep 28, 1994
filing date -
Oct 16, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A differential mechanism (10) having two output cam members (16, 17) rotatable about an axis (A) each cam member having an annular cam surface of undulating form comprising pairs of mutually inclined surfaces (24, 25; 26, 27). The inclined surfaces are engaged by end surfaces (29, 30) of cam followers (28) so that relative contra rotation of the output cam members (16, 17) causes the cam followers to slide axially. An input element (11-14) engages and supports the followers (28) and moves the followers circumferentially relative to the output cam members and a component (11, 14) of the differential which rotates during use of the differential drives oil pump means (70) for forcing oil into the differential.
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