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:
Feb. 21, 1978
Filed:
Oct. 01, 1976
Yukio Mizuno, Kodaira, JA;
Abstract
An apparatus for selectively detaining and releasing a plurality of weft yarns of different natures, typically colors, before a weft yarn is drawn off into the shed of warp yarns in a weaving loom, comprising lever actuated weft pinch-off units each having a condition to retain each of the weft yarns and a condition to release the weft yarn, a weft selector mechanism including lever actuating means for moving each of the levers associated with the pinch-off units and cam means for moving the lever actuating means between positions respectively operable on the levers for the individual pinch-off units, and a weft release control mechanism driven in synchronism with other driven members and units of the loom for driving the lever actuating means alternately between positions in which the lever engaged by the actuating means is operative to hold the associated pinch-off unit in the above-mentioned conditions thereof.