Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1980-12-10
1983-02-15
Yost, Frank T.
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
83137, 83532, 83545, 83561, 83698, 83DIG1, B26F 138
Patent
active
043734138
ABSTRACT:
In apparatus for the placement and alignment of punch knives mounted in a knife holder on a punch press, a first swivel arm is pivotally supported at one end on a support for pivotal movement about a vertical axis. A second swivel arm is supported on the other end of the first swivel arm. The second swivel arm is a double-armed parallelogram member pivotally movable about a vertical axis and about horizontal axes at each of the opposite ends. A knife holder is pivotally connected to the parallelogram member at the opposite end from the first swivel arm. Due to the pivotal support of the two swivel arms and the pivotal connection of the knife holder, the knife holder can be moved along horizontal and vertical coordinates. A return member is associated with the second swivel arm for returning it into the horizontal position after the completion of a punching operation.
REFERENCES:
patent: 58315 (1866-09-01), Stearns
patent: 955245 (1910-04-01), Zimmerman
patent: 2401800 (1946-06-01), Ryan
patent: 2785746 (1957-03-01), Mathews
patent: 3045521 (1962-07-01), Eisenberg
patent: 3555949 (1971-01-01), Treff
patent: 3987696 (1976-10-01), Haas et al.
Ernst Mohrbach KG
Yost Frank T.
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