Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1978-03-13
1979-12-18
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
29414, 29417, 29429, 29509, 29525, 29526R, B23P 1700
Patent
active
041786696
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 formed pull-lock fasteners, simultaneously with receiving the succeeding fastener for the subsequent locking operation.
REFERENCES:
patent: 2286809 (1942-06-01), Hutchison
patent: 2465144 (1949-03-01), Wyatt
patent: 3048296 (1962-08-01), Heidenwolf
patent: 3181338 (1965-05-01), Zetterlund
patent: 3187546 (1965-06-01), Simmons
patent: 3232162 (1966-02-01), Ketchum
patent: 3763541 (1973-10-01), Jaffe
Hara Kunio
Yoshida Kohsaku
Moon Charlie T.
Nichi-Ei Bussan Co., Ltd.
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