Mechanism for clamping plates

Details Mechanism for clamping plates Mechanism for clamping plates

1978-03-02

1980-09-16

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

285320, 285364, 285DIG21, F16L 2300

Patent

active

042225914

ABSTRACT:
Mechanism for securing the end plates, or flanges, of two in-line pipe sections is disclosed. A clamp member, having two jaws which remain fixed during clamping, is pivotally mounted on a standard secured to one of the pipes. A rotary locking member has an arcuate wedge segment and an abutment surface. The locking member is powered to rotate in one direction, to raise the clamp member by engagement of said abutment surface therewith. The locking member is powered to rotate in the opposite direction to release the clamp member for movement over the flanges and to wedge the wedge segment with said flanges between said jaws.

REFERENCES:
patent: 48038 (1865-06-01), Barnard
patent: 1219849 (1917-03-01), Norris
patent: 1991343 (1935-02-01), Ball
patent: 3126213 (1964-03-01), Lewis
patent: 3442535 (1969-06-01), Frohlich
patent: 3445127 (1969-05-01), Clarke
patent: 3489434 (1970-01-01), Haley
patent: 3661408 (1972-05-01), Gibbons
patent: 3799519 (1974-03-01), Yamazoe
patent: 4004611 (1977-01-01), Friedell
patent: 4035006 (1977-07-01), Isoyama

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