Punch retainer

Details Punch retainer Punch retainer

1978-10-16

1979-11-20

Schran, Donald R.

Cutting

Tool or tool with support

Joint or connection

279 28, 279 30, 279 77, 279 79, B26D 726, B26F 114

Patent

active

041746481

ABSTRACT:
A punch and retainer assembly wherein the punch has a flattened surface at the upper end of the side wall thereof and a radially inwardly extending recess directly below the flattened side wall portion. The punch retainer includes a vertically movable latch adapted to engage within the recess on the shank of the punch and retain the punch within the retainer block. Means are provided for limiting vertical movement of the latch so that the punch can be inserted into the retainer only when the flattened surface thereof is aligned parallel with the pivot axis of the latch.

REFERENCES:
patent: 1621811 (1927-03-01), Richard et al.
patent: 1784911 (1930-12-01), Schlitters et al.
patent: 1797987 (1931-03-01), King
patent: 1910275 (1933-05-01), Alden
patent: 1974217 (1934-09-01), Richard
patent: 2580930 (1952-01-01), Kost

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