Magnetic stem and vertically fixed pocket device for a stationar

Details Magnetic stem and vertically fixed pocket device for a stationar Magnetic stem and vertically fixed pocket device for a stationar

1989-03-23

1991-02-26

Yost, Frank T.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Magnetic member-feed and/or holding means

227 26, 227115, 227119, 227149, B21J 1510

Patent

active

049955438

ABSTRACT:
A magnetic riveting stem and a novel vertically fixed pocket mechanism is provided for a stationary riveting machine which permits such machines to be used for riveting applications which were impossible or impractical with prior art riveting stem and pocket mechanisms. The vertically fixed pocket receives ferrous rivets from a rivet feed mechanism and aligns them in a head-up orientation to be picked up by the stem for setting through registered holes in the work. A stationary riveting machine equipped in accordance with the invention is capable of setting a ferrous rivet in practically any location on a work piece where the head of the rivet can pass. This offers an advantage over traditionally equipped stationary riveting machines which require vertically displaceable pockets for guiding a rivet to the pilot pin of a rivet anvil.

REFERENCES:
patent: 1524414 (1925-01-01), Stimpson
patent: 2878954 (1959-03-01), Troske
patent: 3586230 (1971-06-01), Hill et al.
patent: 4251017 (1981-02-01), Doyle et al.
patent: 4579270 (1986-04-01), Matsuda
patent: 4596349 (1986-06-01), Herten
patent: 4609134 (1986-09-01), Davern

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