Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Reexamination Certificate
2010-06-23
2011-12-27
Bochna, David E (Department: 3679)
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
C285S085000, C285S091000, C285S312000
Reexamination Certificate
active
08083265
ABSTRACT:
An easily unlatchable cam-lock actuating device for use in a locking coupling assembly that couples two tubular members, includes a cam arm pivotally mounted on a female tubular coupler and extending thereinto for locking a male tubular end of one of the tubular members, a spring-loaded latch bolt movably mounted in the cam arm to engage a cavity of the coupler so as to lock the cam arm at a locking position, and a releasing lever pivotally mounted on the cam arm and coupled to the latch bolt such that, when the releasing lever is turned from a latched position to an unlatched position, the latch bolt is retracted and disengaged from the cavity.
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