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:
Dec. 04, 2001
Filed:
Feb. 28, 2000
Akio Hosaka, Fukui, JP;
Sodick Co., Ltd., Yokohama, JP;
Abstract
A device applying device for applying tension to a traveling wire electrode including a controllable torque brake (,), a rotatable tension roller (,) around which a wire electrode (,) is wound, and a drive roller (,) directly linked to the brake means and pressed against the peripheral surface of the tension roller, and having a diameter smaller than the diameter of the tension roller. An alternative tension applying device includes a brake (,), a rotatable tension roller (,), an intermediate roller (,) having substantially the same diameter as the tension roller and formed integrally with the tension roller, and a drive roller (,) directly linked to the brake and pressed against the peripheral surface of the intermediate roller, and having a diameter smaller than the diameter of the tension roller.