Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1975-09-11
1976-08-31
Schran, Donald R.
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
83387, 83395, 83522, 83916, B26D 716, B26D 718
Patent
active
039772810
ABSTRACT:
A hole punching apparatus in which a punch having a center point formed thereon is locked to a punch support by in-line locking pins which can be unlocked to move the punch independently of its support toward the stock to be punched to align the center point of the punch and the location point on the stock, and in which cam means is provided for camming the locking means to release position when the punch is moved toward its original position relative to the punch support, means is provided for automatically restoring the locking pins to locked positions when the punch is restored to its original position and a telescoping connection is provided between the punch and the punch support for maintaining them in alignment when the punch is moved relative to the punch support to bring the center point of the punch into engagement with the stock.
REFERENCES:
patent: 868428 (1907-10-01), Grossman
patent: 1914313 (1933-06-01), Wales
patent: 3368436 (1968-02-01), Weisbeck
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