Pipe joints or couplings – Packed – Flanged pipe
Patent
1984-07-09
1986-03-04
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Flanged pipe
285371, 285409, 24270, F16L 2300
Patent
active
045737177
ABSTRACT:
A toggle clamp having first and second clamping members pivotally connected together for receiving objects to be clamped therebetween; a handle pivotally mounted with respect to one of the clamping members; a bail including a force generating member where the bail is so mounted with respect to the handle that upon movement of the handle from a first position to a second position, the force generating member is moved to a first position to generate a force for clamping the objects together with a first clamping force; and, a member, upon weakening or failure of the force generating means, which permits movement of the force generating member to a second position where the objects remain clamped together with a force less than that of the first clamping force whereby a fail-safe operation is provided.
REFERENCES:
patent: 889042 (1908-05-01), Powers
patent: 1564837 (1925-12-01), Edeborg
patent: 1646463 (1927-10-01), Stokesberry
patent: 2133060 (1938-10-01), Stephens
patent: 2155705 (1939-04-01), Gottwald
patent: 2324356 (1943-07-01), Brown
patent: 2482374 (1949-09-01), Ruschmeyer
patent: 2635900 (1953-04-01), Mayo et al.
patent: 2994934 (1961-08-01), Kraus
patent: 3705737 (1972-12-01), Westerlund et al.
patent: 3851902 (1974-12-01), Robinson
Callaghan Thomas F.
HPS Corporation
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