Multitool punch holder

Details Multitool punch holder Multitool punch holder

1990-07-20

1991-03-12

Phan, Hien H.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83140, 83552, 83618, B26F 108

Patent

active

049989588

ABSTRACT:
A multitool punch holder is disclosed in which a tool carrier (22) holds a circumferential array of punches (76) in a corresponding series of bores. Each punch (76) is attached to a stem rod (50) having an upper end protruding above the tool carrier (22). The tool carrier (22) is rotated by an index drive (102, 104, 106, 108) so as to bring a selected one of the stem rods (50) beneath a ram drive features (100) protruding radially outward to lie above the stem rod ends (52). The tool carrier (22) is coupled to the ram (14) by a head member (20) which is telescopically received therein allowing the ram (14) to continue its descent after contact of the tool carrier (22) with the workpiece, the ram (14) having a feature (100) engaging a selected stem rod end (52) lying beneath the ram drive feature (100) to cause advance of the attached punch (76) against the resistance of an encircling stripper spring (62).

REFERENCES:
patent: 3139779 (1964-07-01), Bredow
patent: 3160046 (1964-12-01), Bredow
patent: 3527130 (1970-09-01), Knehans
patent: 3540339 (1970-11-01), Killaly
patent: 4532845 (1965-08-01), Jinnouchi
patent: 4555966 (1985-12-01), Klingel
patent: 4569267 (1986-02-01), Klingel
patent: 4779329 (1988-10-01), Nordquist et al.

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