Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1987-05-13
1988-12-20
Reese, Randolph A.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285 81, 285 82, 285319, 604 93, 604905, F16L 3708
Patent
active
047921633
ABSTRACT:
A secondary lock for preventing separation of a pair of connected tubular members comprises an elongated body which carries a toothed rack. A first transversely extending retention member is carried adjacent one end of the body, with a sliding member slidably mounted on the body for longitudinal movement therealong. The sliding member carries a second transversely extending retention member. Each of the retention members are proportioned to grip and retain one of the tubular members. A pawl is provided for engaging the rack to permit the sliding member to be moved toward the first member but not away from the first member. However, the pawl is disengageable to permit the sliding member to be moved away from the first member when desired.
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Baxter Travenol Laboratories Inc.
Ellis Garrettson
Flattery Paul C.
Jankousky Mary R.
Knight Anthony
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