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. 09, 1976
Filed:
Sep. 16, 1974
Maurice H Brown, Worth, IL (US);
Other;
Abstract
A device for applying generally uniform tension to wire, especially wire of fine diameter, as it is unwound over an axial end of a coil or spool of wire. The tensioning device is effective to prevent curling and twisting of the wire as it is unwound. This device is also useful in tensioning wire during high-speed winding where the wire is rapidly accelerated and decelerated, for example, during winding of a coil having a core of square or rectangular cross-section. This device is also useful in pretensioning wire before it winds around a final tensioning mechanism. The device may be used as a final and sole tensioning device on fine and ultra fine gauge wire. The tensioning device includes a disc having a plurality of radially extending filaments which protrude beyond the periphery of the axial end of the spool of wire and engage the wire as it is unwound from the spool. The tensioning device includes means to bend the filaments in the direction of uncoiling of the wire as the uncoiling resistance of the wire increases to maintain a relatively constant resistance against the wire during uncoiling.