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:
Nov. 22, 1994
Filed:
Jun. 23, 1993
Takayuki Irikura, Tokyo, JP;
Japan Tobacco Inc., Tokyo, JP;
Abstract
The shredding device for paper web according to the present invention is equipped with a receiving drum, the peripheral surface thereof being formed as a suction surface, a drum shaft which is arranged in parallel to the receiving drum, a bladed drum which is mounted on the drum shaft, a pair of free rollers which are rotatably mounted via bearings on the drum shaft at both sides of the bladed drum and which have a larger diameters than the bladed drum, a pair of rocking arms which are free to rock and which support both ends of the drum shaft, a pair of air cylinders which urge these rocking arms toward the receiving drum, and a control system which increases the air pressure of the air cylinders according to the thermal expansion of the free rollers and displaces the axes of the free rollers with respect to the axis of the drum shaft through the bearings.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile