Control valve for a mandrel collection system

Details Control valve for a mandrel collection system Control valve for a mandrel collection system

1989-02-02

1989-12-26

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

7245317, 137613, B21J 1506

Patent

active

048889741

ABSTRACT:
A control valve for the mandrel collection system of a rivet setting tool is described. The control valve features two shut-off modes; the first effected by a manual quarter-turn operation, and the second effected by an actuator stem located on the base of the tool and occurring when the operator puts the tool down on a support surface.

REFERENCES:
patent: 3107691 (1963-10-01), Schwarz
patent: 3113432 (1963-12-01), Watson
patent: 4281531 (1981-08-01), Ehmann et al.
patent: 4517820 (1985-05-01), Oefinger et al.
patent: 4598571 (1986-07-01), Oefinger
patent: 4648258 (1987-03-01), Frearson
patent: 4770023 (1988-09-01), Schwab

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