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:
Sep. 26, 1989
Filed:
Dec. 28, 1988
Heizaburou Kato, Shizuoka, JP;
Sankyo Manufacturing Company, Ltd., Tokyo, JP;
Abstract
A roll feed apparatus in which a plate material is held in a pair of rolls and fed intermittently, in a predetermined length at a time, by the oscillated operation of the rolls, the distance between the rolls is adjusted by a material thickness adjusting mechanism, the power of the rolls for holding the material is adjusted by a holding power adjusting mechanism, and the length of each feed of the material is adjusted by a feed length adjusting mechanism. The material thickness adjusting mechanism, the holding power adjusting mechanism and the feed length adjusting mechanism are automatically numerically controlled by an electrical control system without direct manual operation.