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. 13, 1977
Filed:
Jun. 25, 1976
Applicant:
Inventors:
Abram N Spanel, Princeton, NJ (US);
P Frank Eiland, Stamford, CT (US);
David R Jacobs, New Canaan, CT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05C / ;
U.S. Cl.
CPC ...
112 / ; 112266 ; 226113 ; 226118 ;
Abstract
A method of and apparatus for feeding yarn to needles of a conventional tufting machine in which the yarn is controlled to permit the feeding of at least two different lengths per needle to produce pile tufts of varying heights. A series of yarn pullers and clamps are utilized to draw and meter the yarn from the creel. Different pullers are utilized to provide the varying pile heights. The pullers or plungers may be driven by band-like members which are engageable upon selection with a continuously oscillating shaft.