Automatic piercing nut assembling arrangement

Details Automatic piercing nut assembling arrangement Automatic piercing nut assembling arrangement

1977-12-12

1979-08-14

Keenan, Michael J.

Metal working

Means to assemble or disassemble

With signal, scale, illuminator, or optical viewer

29798, 29809, 29818, B23P 1904, B23Q 1702

Patent

active

041640721

ABSTRACT:
An automatic piercing or clinch nut assembling arrangement which includes a punch member slidably supported in a punch holder connected to a press ram for pressing a piercing or clinch nut into a metal panel with a swaging die arranged opposite the punch member and cooperating therewith for swaging metal from the metal panel inwardly of the piercing nut to anchor the same in the metal panel. A nut holding arrangement is interposed between the punch member and the swaging die for holding a piercing nut in a punching path of the punch member. A monitoring arrangement is provided for electrically ascertaining the presence or absence of a piercing or clinch nut in the punch feed path.

REFERENCES:
patent: 3098576 (1963-07-01), Steward
patent: 3961408 (1976-06-01), Goodsmith et al.
patent: 3971116 (1976-07-01), Goodsmith et al.

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