Breakstem fastener installation tool

Details Breakstem fastener installation tool Breakstem fastener installation tool

1986-05-07

1987-03-10

Watson, Robert C.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

7245319, 7245317, 2924353, B21D 905

Patent

active

046482580

ABSTRACT:
A hand-held rivet installation tool is provided with an airflow ejector (23, 26, 28) to eject broken off rivet stems. The tool has a base (71) on which it can stand on a level surface. A valve (73) is provided with its actuating plunger (75) protruding from the base. When the tool is standing on its base, the plunger (75) is pushed in and the valve (73) shuts off the air supply to the ejector. When the tool is picked up again the valve (73) stays in the off position until the tool-actuating trigger (31) is operated again. Thus needless waste of air through the ejector, when the tool is not being used, is eliminated.

REFERENCES:
patent: 4122904 (1978-10-01), Haytayan
patent: 4211353 (1980-07-01), Aunis
patent: 4452387 (1984-06-01), Haytayan
patent: 4515005 (1985-05-01), Klein
patent: 4549681 (1985-10-01), Yamamoto et al.
patent: 4598571 (1986-07-01), Oefinger

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