Safety latch

Details Safety latch Safety latch

1989-06-01

1990-11-13

Arola, Dave W.

Pipe joints or couplings

Packed

Flanged pipe

285924, 285420, 285409, 24270, 24273, F16L 1900, A44B 1700

Patent

active

049699237

ABSTRACT:
A circumferential safety latch clamp for securing a pair of pipe members together operated by a lever actuator wherein a lever is pivotally mounted upon one end of the clamp band positionable between a latch position and an open position having portions releasably engagable with an anchor mounted on the other end to draw the band ends toward each other. A retainer assembly limits movement of the lever in the opening direction to a safety release position whereby the lever portions maintain engagement with the anchor limiting displacement of the band ends away from each other allowing partial expansion of the clamp band.

REFERENCES:
patent: 1518479 (1924-12-01), Brewer
patent: 2390801 (1945-12-01), Markey
patent: 2579975 (1961-12-01), Scott et al.
patent: 2846244 (1958-08-01), Parker
patent: 4164804 (1979-08-01), Fletcher
patent: 4382570 (1983-05-01), Craig

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