Gate or door spring-biased bolt latch
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United States of America Patent
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May 5, 1998
Issued Date -
N/A
app pub date -
May 15, 1997
filing date -
Apr 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a bolt latch with a minimum number of parts, compact size, lightweight and operable by a snap action: socket 13 is fixable to stationary frame 1; latch body 3 has longitudinal groove 3a and circumferential groove 3b; latch body 3 is fixable to door 2, the groove 3b and is perpendicular to the groove 3a, communicates with and extends from a front end of the groove 3a; bolt 4 is in the latch body and is axially slidable and rotatable on its axis and engages with the socket 13 in locking operation; pin 5 is fixed to the bolt 4 and slidable slidably received in the grooves 3a, 3b; spring 6 linearly urges the bolt 4 to have its front end received in the latch body 3 and rotatably urges it to have the pin 5 received in the groove 3b; and seat 9 is fixed to the body 3 and butts against the pin 5 in an unlocking operation to prevent the bolt 4 from further moving rearward in the body 3.
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