Rivet setting tool

Details Rivet setting tool Rivet setting tool

1996-03-18

1998-04-28

Jones, David

Metal working

Means to assemble or disassemble

Overedge assembling means

29243523, B21J 1522

Patent

active

057429898

ABSTRACT:
A rivet setting tool for setting blind rivets and/or pins with setting rings comprises an actuating assembly operable to impart an axial movement to the pulling pin for setting the rivet. The actuating assembly has a piston-cylinder arrangement comprising a pressure piston and a working piston movable in the direction for pulling the pulling pin during the rivet-setting operation by a substantially incompressible fluid pressurized by the pneumatically actuated pressure piston. The working piston is moved back in the opposite direction to the pulling direction after the setting operation. The escape of air from the pneumatic actuation assembly of the pressure piston in the return movement is promoted by a venting device. The flow resistance of a passage between the pressure piston and the working piston is different during movement in the pulling direction from that during the return movement.

REFERENCES:
patent: 4546637 (1985-10-01), Elias
patent: 4580435 (1986-04-01), Port et al.
patent: 4924691 (1990-05-01), Summerlin et al.
patent: 5490311 (1996-02-01), Rosier
patent: 5500990 (1996-03-01), Wihan

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