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:
Dec. 22, 1987
Filed:
Jul. 15, 1986
Applicant:
Inventor:
Noboru Kasuga, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112323 ;
Abstract
A main feed bed of a feeding mechanism of a sewing machine of a swinging lever type is provided with a sub-feed bed which is swingable with respect to said main feed bed and is integrally secured with a feed dog. Both feed beds are connected and controlled by respectively independent vertical feed cams, so that a moving locus of the feed dog is made square while keeping the upper surface of the feed dog parallel with the upper surface of a needle plate.