Latching system for contact operating mechanism
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United States of America Patent
Stats
-
Feb 24, 1981
Grant Date -
N/A
app pub date -
Jan 15, 1979
filing date -
Jan 15, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trip-free contact operating mechanism is provided with a latching system for maintaining a releasable cradle in its reset position. The latching system includes a lever mounted on a fixed pivot and having one end latchable by a cam member movable by a fault current responsive automatic trip means. A latch pin mounted in slots at the other end of the lever is engageable with the cradle for maintaining the latter in reset position. The latch pin is movable mounted on the lever in a manner such that the former may rotate about its axis, it may move lengthwise of the mounting slots, and the pin may pivot about an axis perpendicular to the pin axis and in the vicinity of one end of the pin.
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Cited Art Landscape
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