Electric switch construction
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United States of America Patent
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-
Feb 7, 1989
Grant Date -
N/A
app pub date -
Jul 8, 1987
filing date -
Jul 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric switch construction having a body member with a a stationary electrical contact, a movable plunger in the body member and carrying a second electrical contact, and a compression spring, one end of which is carried by the plunger. The other end of the spring preferably carries an abutment or button, intended for engagement by an actuator, such as the hood of a motor vehicle. The spring constitutes a yieldable drive or link between the actuator and plunger, to compensate for dimensional variations that normally occur in the environment in which the switch is used, as well as minimizing deleterious effects of high impulse forces that would otherwise be applied by the actuator to the switch plunger, and also the effects of overtravel of the actuator. Improved reliability and longer switch life expectancy are thus realizeable.
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