Vibration damped rivet bucking tool

Details Vibration damped rivet bucking tool Vibration damped rivet bucking tool

1981-09-30

1983-04-26

Crosby, Gene

Metal deforming

Tool and/or tool holder

Having unitary tool-face

2924354, 7245316, B21J 1540

Patent

active

043809235

ABSTRACT:
A rivet bucking tool (10) is provided with a damping piston (13) actuated by air pressure in a damping chamber (42) of the tool housing (11) of sufficient volume to isolate the housing (11) from undesirable vibration. The piston (13) forms an assembly with a bucking die (23) so as to inertially restrain recoil jointly therewith. A pressure reduction valve (28) is provided on the tool (10) for selectively setting the pressure in the damping chamber (42) to produce an elastic force bias on the assembly approximately equal to the optimal manual bucking force required for properly forming the rivet head and bucking in the riveting work at hand.

REFERENCES:
patent: 833878 (1906-10-01), Gunnell
patent: 1442675 (1923-01-01), Lembcke
patent: 1480464 (1924-01-01), Pungs
patent: 2274091 (1942-02-01), Pavlecka
patent: 2349341 (1944-05-01), Disse
patent: 2411561 (1946-11-01), Stevens

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