G - Physics – 05 – D
Patent
G - Physics
05
D
341/101, 164/63
G05D 3/00 (2006.01) B21D 28/24 (2006.01) B23B 41/00 (2006.01) G05B 19/23 (2006.01)
Patent
CA 1088651
Abstract of the Disclosure Punch presses are positioned for punching holes at selected vertical locations in the flanges of I-beams, angle irons and channels by apparatus which utilizes a movable probe to determine the initial position of the presses and which further utilizes a reversible counter and a comparator to stop the presses after they have moved a selected distance from their initial position.
282103
Kindgren Lee
Swanson James P.
Macrae & Co.
W. A. Whitney Corp.
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