Rivet-stroke adjusting device for a rivet-nut gun

Metal working – Means to assemble or disassemble – Overedge assembling means

Reexamination Certificate

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Details

C029S243523

Reexamination Certificate

active

07032281

ABSTRACT:
A rivet-stroke adjusting device for a rivet-nut gun, in which the parts mounted between the cylindrical hole of the mounting base on front end of the body portion and the outer sleeve of the rivet-pulling assembly include an outer sleeve with a cylindrical hole and a threaded hole, a thread sleeve, a spring, an adjustment ring, a steel pin and a screw; the center cylindrical hole of the adjustment ring is mounted to a pull shaft of the hydraulic piston of the mounting base by means of pin hole; the outer threads of the adjustment ring are screwed together with threads on one end of the outer sleeve, being pushed and limited with a spring; when the outer sleeve is turned, the adjustment ring will be pushed to move so as to have the pull shaft of the hydraulic piston moved a stroke.

REFERENCES:
patent: 5357666 (1994-10-01), El Dessouky et al.
patent: 6425170 (2002-07-01), Zirps et al.
patent: 6449822 (2002-09-01), Gilbert et al.
patent: 6622363 (2003-09-01), Komsta
patent: 6907648 (2005-06-01), El Dessouky

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