Key switch with multiple contact points
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 12, 1989
Grant Date -
N/A
app pub date -
Nov 20, 1987
filing date -
Nov 20, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key switch is disclosed wherein a key stem is slidably movable within a switch case. Upward movement of the key stem under spring bias causes electrical disconnection between a stationary contact and a movable leaf-spring terminal type contact both mounted within the switch case. The stationary contact is a wire engaging a sheet metal type leaf-spring terminal contact having notches to provide plural contact points therebetween.
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