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:
Sep. 14, 1999
Filed:
Dec. 04, 1997
Joachim Stiller, Wegberg, DE;
W. Schlafhorst AG & Co., Monchengladbach, DE;
Abstract
A winding unit 2 of an automatic bobbin winder includes a suction nozzle 12 for aspirating from the surface 48 of a take-up bobbin 11 an upper yarn end portion 34 after a yarn break for subsequent placement into a splicing device 13. The suction nozzle 12 has a sensor device 35 for detecting the presence of the aspirated upper yarn and the sensor device is connected to winding unit computer 39. The suction device is connected via a cam transmission 27, 29 to a reversible drive 25 which can be driven by winding-unit computer 39 to cause the mouth 38 of the suction nozzle to execute reciprocatory pitching movements V, Z to assist the nozzle in properly aspirating the upper yarn.