B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/32.12
B65B 13/30 (2006.01) B01D 35/12 (2006.01) C02F 9/00 (2006.01)
Patent
CA 1073333
ABSTRACT OF THE DISCLOSURE The primary thrust drive for a punch and die set which presses together two superimposed portions of the band to be locked utilizes the mechanical advantage afforded by a symmetrical angle lever pair. The arms of the levers are turned about a pair of pinions by a pneumatic piston drive. At the end of the other arms is a pressure roller which rides on a pressure surface of a pressure plate to convert the rotation movement of the angle levers to an outward linear movement on the pressure plate towards the pinions. The pressure plate carries the die. The pressure surface upon which each of the rollers acts is made to have a cylindrical curvature away from the roller. This has the effect of making more linear the characteristic increase of the mechanical advantage of the toggle arrangement as a function of the outward travel of the pressure plate and thereby making the adjustment of the die travel less critical.
292251
Albiez Ernst
Bachmann Hans
LandOfFree
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