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. 03, 1985
Filed:
Sep. 26, 1983
Applicant:
Inventors:
Torao Ohchi, Tokyo, JP;
Hideo Yasui, Tokyo, JP;
Assignee:
Tokyo Juki Industrial Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
112239 ; 112275 ; 112284 ;
Abstract
A workpiece holding-down device for a sewing machine comprises a spring-loaded presser bar and foot assembly supported in the framework of said sewing machine, a drive mechanism for moving said assembly vertically, and a control circuit for controlling the movement of said presser bar. The foot assembly includes signal means for positioning the presser bar and foot assembly in a controlled position in response to the actuation of an operation member or stored information.
Ohchi, Torao. (1985). Workpiece holding-down device for a sewing machine (U.S. Patent No. 4538533). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4538533
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile