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:
Apr. 04, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Tsukasa Ando, Nishikasugai, JP;
Seiichiro Hagino, Chiryu, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
11212111 ; 112272 ; 112315 ;
Abstract
An apparatus for detecting the terminus of cloth being sewn by a sewing machine. A plurality of sensors are disposed on a path along which the cloth is fed and at positions upstream of the needle, and they each consist of a light emitting portion and a light receiving portion paired and disposed in opposition. A detector electrically detects a set cloth feed amount, and a selection circuit operates to electrically select one of the sensors which is positioned at the optimum position with respect to the set cloth feed amount.