Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1988-08-02
1989-09-19
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
7245317, 2924353, B21D 905
Patent
active
048669725
ABSTRACT:
In a rivet setting tool for setting blind rivets, a passage extends from the mouthpiece of the tool rearwardly through the head of the tool, for removing rivet pins which have been torn off after the rivets have been set. An axially operative setting device which can be actuated for the rivet-upsetting operation includes a piston cylinder system comprising a pneumatically operated piston and a hydraulic piston, and a compressed air feed means for actuation of the setting device and for removal of the torn-off rivet pins. The tool is operated by an actuating member which can be moved into first and second operating positions, in the first of which the actuating member opens a valve associated with the passage, for introducing compressed air into the passage for sucking in a rivet to be set, while in the second operating position the actuating member opens a valve associated with the pneumatic piston for actuating the setting device for the rivet setting operation.
REFERENCES:
patent: 4065952 (1978-01-01), Holloway
patent: 4598571 (1986-07-01), Oefinger
patent: 4648258 (1987-03-01), Frearson
patent: 4770023 (1988-09-01), Schwab
Alfred Honsel Nieten-und Metallwarenfabrik GmbH
Jones David
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