Rivet tongs

Details Rivet tongs Rivet tongs

1977-11-03

1980-06-24

Crane, Daniel C.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

B21J 1534

Patent

active

042089018

ABSTRACT:
A rivet tong device for the setting of blind rivets that are provided with tear pins is disclosed. The device includes a pair of legs adapted for pivotal movement about a common axis, retaining means for receiving a rivet and rivet clamping means comprising first and second clamping elements. The second clamping element is formed of a portion of a circular disk such that upon actuation the first and second clamping elements approach one another so as to grip the tear pin and to be moved away from the retaining means so as to tear off the tear pin. The clamping elements are also mounted for pivotal movement about the pivot axis of the legs.

REFERENCES:
patent: 3154210 (1964-10-01), Elliott
patent: 3302444 (1967-02-01), Elliott
patent: 3359778 (1967-12-01), Di Maio
patent: 3596496 (1971-08-01), La Pointe
patent: 3955395 (1976-05-01), Vecchione
patent: 4027556 (1977-06-01), Klein
patent: 4088004 (1978-05-01), Di Maio

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