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:
Oct. 17, 1989

Filed:

May. 10, 1988
Applicant:
Inventors:

Katsumi Takagi, Osaka, JP;

Toshihito Negoro, Osaka, JP;

Itaru Tamagawa, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
11212111 ; 112255 ;
Abstract

A thread regulating apparatus for a sewing machine having a plurality of thread regulators. Each regulator nips a thread between a pair of tension discs to apply tension to the thread. The tension applied to the thread is determined according to combination patterns of tension values stored in a memory.


Find Patent Forward Citations

Takagi, Katsumi. (1989). Programmed thread regulating apparatus for a sewing machine (U.S. Patent No. 4873931). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4873931

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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