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. 15, 1987
Filed:
May. 29, 1986
Applicant:
Inventor:
Kazuya Tami, Chofu, JP;
Assignee:
Tokyo Juki Industrial Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112277 ; 112445 ; 11212111 ; 318318 ;
Abstract
A detector for detecting the angular position of the main shaft of a sewing machine and the indicator apparatus of a sewing machine are utilized to output the RPM of the main shaft to the indicator apparatus. The detector detects the cycle time of the main shaft rotation by referencing a clock signal and comparing it with preset data. Thereby, the RPM of the main shaft is determined.
Tami, Kazuya. (1987). Sewing machine apparatus with improved shaft speed measuring and (U.S. Patent No. 4693197). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4693197
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile