Machine element or mechanism – Elements – Cranks and wrist pins
Patent
1986-04-16
1989-04-04
Moore, Richard E.
Machine element or mechanism
Elements
Cranks and wrist pins
100282, B30B 702
Patent
active
048174564
ABSTRACT:
A dynamic balancing device for a press having a crankshaft, a connecting rod mounted on an eccentric portion of the crankshaft and connected to a slide at its free end. The balancing device has links mounted on the eccentric portion of the crankshaft and extending in the direction opposite the direction in which the connecting rod extends, a pair of balancing weights provided on opposite sides of the crankshaft and vertically movable; and a pair of levers having their one ends pivotally attached to the upper ends of corresponding balancing weights and having the other ends of corresponding balancing weights and having the other ends overlapped and pivotally connected with the links, the levers being pivoted on the press at their respective mid-portions.
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Imanishi Shozo
Sato Mitsuo
Aida Engineering Ltd.
Moore Richard E.
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