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. 19, 1978
Filed:
Jan. 17, 1978
Hitachi Metals, Ltd., , JP;
Abstract
A paper web cutting device of a full rotation type comprises, in combination: a rotary cutter including a shank with rotary shafts at both ends, a cutting blade affixed to the shank, with its edge inclined circumferentially relative to the common axis of the shafts, a guide ring located at the cutting starting end of the blade and having a radius of rotation equal to that of the edge, and a second guide member located at the cutting terminating end of the blade and having a volute configuration, with its radius of rotation gradually decreased from the initial value equal to the radius of rotation of the edge; and a stationary cutter having a straight edge and supported in place by pivot pins at both ends, in such a manner that, at the cutting terminating end, the edge is graded to interfere slightly with the radius of rotation of the rotary cutter edge, the edge being forced by a spring to bear against the rotary cutter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile