Pneumatic hydraulic riveter

Details Pneumatic hydraulic riveter Pneumatic hydraulic riveter

2007-06-12

2007-06-12

Jones, David (Department: 3725)

Metal working

Means to assemble or disassemble

Overedge assembling means

C072S114000, C072S391800

Reexamination Certificate

active

11533439

ABSTRACT:
A pneumatic/hydraulic riveter includes a valve unit formed of a socket set and a control valve movable relative to the socket set to provide a forward rotation control air loop, a pulling control fluid loop, or a reverse rotation control air loop in such a manner that when one loop is provided the other two loops are closed, so that the riveting unit is controllable to perform a forward rotation action, a pulling action and a reverse rotation action in proper order.

REFERENCES:
patent: 3654792 (1972-04-01), Mead
patent: 4559806 (1985-12-01), Schwab
patent: 4612793 (1986-09-01), Klein
patent: 5605070 (1997-02-01), Wille
patent: 6272899 (2001-08-01), Bentivogli
patent: 6732563 (2004-05-01), Chen
patent: 6840075 (2005-01-01), Neri et al.

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