Lightweight pneumatic hog ring gun

Details Lightweight pneumatic hog ring gun Lightweight pneumatic hog ring gun

1996-01-16

1997-08-05

Jones, David

Metal deforming

With means to actuate both elements of tool-couple

Handle actuated

724091, 72407, 7245315, 724528, B21J 918, B21D 706, B21F 4516

Patent

active

056531400

ABSTRACT:
A lightweight pneumatic hog ring gun utilizing a pair of pivoting jaws to catch and retain a hog ring for application when a power wedge spreads the rear of the jaws apart, clinching the hog ring, with a lock piston that retains tension on the rear of the jaws before spread by the power wedge to aid in retention of the hog ring. The pneumatic hog ring gun also includes an improved air pressure control mechanism and a shorter, lightweight main piston chamber formed within its frame.

REFERENCES:
patent: 3015824 (1962-01-01), Richardson
patent: 3537293 (1970-11-01), Gerlach
patent: 3628230 (1971-12-01), Grise
patent: 3830089 (1974-08-01), Boyd et al.
patent: 4890474 (1990-01-01), Agostini et al.
patent: 5123273 (1992-06-01), Kawabata
patent: 5483815 (1996-01-01), West

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