Work holders – Relatively movable jaws – Means to actuate jaw
Patent
1975-12-31
1977-09-06
Smith, Al Lawrence
Work holders
Relatively movable jaws
Means to actuate jaw
269236, B25B 114
Patent
active
040463630
ABSTRACT:
The present invention relates to a pipe clamping tool assembly that may be extended to an open position such that a portion of a pipe may be laid across a lower first member, after which said pipe clamping tool assembly may be folded to a closed position wherein a second member overlies the inserted pipe and is aligned directly over said lower first member, and by actuating a lever arm the second member is engaged and pressed downwardly such that said second member and said first member cooperate to squeeze and compress the pipe so as to clamp the same and effectively close the pipe and prevent fluid from passing through the clamped area.
REFERENCES:
patent: 433978 (1890-08-01), Corning et al.
patent: 687177 (1901-11-01), Caldwell
patent: 1055552 (1913-03-01), Payne
Smith Al Lawrence
Watson Robert C.
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