Apparatus for continuously fixing a plurality of tubular fastene

Details Apparatus for continuously fixing a plurality of tubular fastene Apparatus for continuously fixing a plurality of tubular fastene

1976-11-03

1978-12-26

Simpson, Othell M.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

29 33R, 29 565, 29417, B21D 905, B21B 1500, B23C 100, B23P 1700

Patent

active

041310098

ABSTRACT:
A method is disclosed wherein so-called pull-lock type blind fasteners are automatically and efficiently fitted and fixed to a plurality of apertures provided in a panel, or a plurality of aligned apertures provided in superimposed two or more panels to fix them together, with the use of a fastener assembly. The assembly includes a plurality of fasteners connected with one another in a head-to-head connected fashion. The fasteners are fitted by means of a locking tool with a simple construction and a compact size comprising a plurality of piston cylinders telescopically assembled together, which operate in a timed and co-acting relationship with one another by means of cam means to fit the fasteners one by one to the apertures of the panel during the stroke of the pistons in one direction and, during the stroke in the other direction, to fix the fasteners in the apertures and expel and dispose the remnant shaft portions from the formd pull-lock fasteners, simultaneously with receiving the succeeding fastener for the subsequent locking operation.

REFERENCES:
patent: 3181338 (1965-05-01), Zetterlund
patent: 3187546 (1965-06-01), Simmons

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