The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1989
Filed:
Apr. 16, 1986
Shozo Imanishi, Kanagawa, JP;
Mitsuo Sato, Kanagawa, JP;
Aida Engineering, Ltd., Kanagawa, JP;
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.