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.

Date of Patent:
Feb. 12, 1980

Filed:

Mar. 27, 1978
Applicant:
Inventors:

Ronald J Boser, Dix Hills, NY (US);

Walter P Siegel, Lebanon, NJ (US);

Michael F Picciotti, Jackson Heights, NY (US);

Assignee:

Union Special Corporation, Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112286 ; 112292 ; 112300 ;
Abstract

Herein disclosed is a below the throat plate thread trimmer which is moved in a path from the right side of the rotary hook assembly, up and over it and then downwardly to the left of it. The path being in the nature of a compound angle whereby elements of the thread cutter portion pass into the needle thread loop at a most advantageous angle. After securing and separating the bobbin thread and respective legs of the needle thread loop, the thread trimmer is moved to position directly below the needle hole. While in this position the bobbin thread and one leg of the needle thread loop are cut.


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