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:
Jul. 21, 1998
Filed:
Sep. 23, 1996
Andre J Dewispelaere, Marke, BE;
N.V. Michel van de Wiele, Marke, BE;
Abstract
A shed forming device for selecting a shed forming apparatus with the assistance of piezoelectric bending elements in a weaving and/or knitting machine of the jacquard type intended for weaving and knitting patterns. The shed forming device includes complementary ascending and descending hooks and complementary ascending and descending blades adapted to cooperate and mutually hook and unhook. Each of the piezoelectric bending elements has a U-shaped clip at a free extremity thereof having one arm (17) that is adapted to slide over a corresponding one of the hooks. Each of the complementary hooks is attached to an elastic bending spring part which can slide up and down along a groove under the action of one of the ascending blades in order to raise a tackle and also a harness cord.