Fastener installation tool

Details Fastener installation tool Fastener installation tool

1996-05-31

1997-12-16

Jones, David

Metal working

Means to assemble or disassemble

Overedge assembling means

29243525, 7245317, B21J 1520

Patent

active

056971362

ABSTRACT:
In a fastener installation tool, return of a head piston (22) is effected by the application of air under pressure to the rear side of the piston. The end of the head cylinder body on the rear side of the piston is provided with a removable end member (34) which is displaceable away from a position in which it is safely secured to the head cylinder body (14). Also, the tool further includes a safety device in the form of air vent means (64) which, if the end member is displaced beyond a predetermined amount, opens to vent air under pressure from the head cylinder body on the rear side of the head piston (22), thereby preventing the return of the head piston and thus the further operation of the tool.

REFERENCES:
patent: 4648258 (1987-03-01), Frearson
patent: 4704888 (1987-11-01), Frearson
patent: 4804023 (1989-02-01), Frearson
patent: 4815310 (1989-03-01), Summerlin et al.
patent: 5086551 (1992-02-01), Shamaly et al.
patent: 5490311 (1996-02-01), Rosier

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