Exterior view mirror for a motor vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 24, 1992
Grant Date -
N/A
app pub date -
Jun 26, 1990
filing date -
Jun 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An exterior view mirror for a motor vehicle has a mirror housing secured to a cylindrical boss which is pivotally mounted on a base. A clutch, which secures the housing at a predetermined orientation relative to the base, comprises a first member carrying a detent formation, a second member journalled on the first member so as to be axially movable relative thereto to bring the detent formation into engagement with a complementary formation on the second member, and a spring for causing relative axial movement between the first member and the second member to bring the detent formation into engagement with the complementary formation. The clutch can be released by heating a shape memory alloy wire which is arranged to oppose the spring so as to cause disengagement of the detent formation from the complementary formation.
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