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. 14, 1999
Filed:
Mar. 31, 1999
Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft, Leonding, AT;
Abstract
There is described an apparatus for needling a web, comprising at least one needle board (2) reciprocatingly movable in stitching direction of the needles via an eccentric drive (5), which needle board is reciprocatingly movable in direction of web movement (16) by means of an additional eccentric drive (15), which consists of two parallel eccentric shafts (17) which are movable in opposite directions and are provided with connecting rods (19). To create advantageous constructional conditions it is proposed that in a manner known per se the needle board (2) is articulated at the eccentric drive (5) for driving the needle board in stitching direction (4) of the needles via push rods (3) which are each movably mounted in a guiding sleeve (10), that the guiding sleeves (10) are pivotally mounted about an axis (12) extending parallel to the eccentric shafts (7, 17) and via a rigid guiding arm (21) are articulated at a coupler (20) connecting the connecting rods (19) of the two eccentric shafts (17) of the additional eccentric drive (15), and that the additional eccentric drive (15) has a means for adjusting the mutual phase position of the two eccentric shafts (17).