Actuating arrangement for a rivet setting tool

Details Actuating arrangement for a rivet setting tool Actuating arrangement for a rivet setting tool

1989-01-23

1989-09-12

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

7245317, B21J 1506

Patent

active

048648396

ABSTRACT:
A rivet setting tool comprises a feed device which can be actuated for a rivet upsetting operation and which imparts an axial movement to the rivet pin. The feed device includes a piston-cylinder assembly formed by a working piston and a pressing piston. A trigger is arranged to apply pressure to a control valve rod which by its movement opens and closes communicating openings for a pressure fluid in the tool. The trigger is movable in a plane which is inclined with respect to the axis of the control valve rod and when actuated comes into sliding contact by means of a lower rearward edge with an upper end face of the control valve rod to displace it axially.

REFERENCES:
patent: 3367166 (1968-02-01), Newton et al.
patent: 3555649 (1971-01-01), Rigot et al.
patent: 3898833 (1975-08-01), Richardson
patent: 4089202 (1978-05-01), Schwab
patent: 4454746 (1984-06-01), Schwab
patent: 4535925 (1985-08-01), Ramey et al.

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