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:
Mar. 31, 1998
Filed:
Aug. 01, 1996
Shinji Kojima, Utsunomiya, JP;
Masanori Mizunuma, Utsunomiya, JP;
The Singer Company N.V., Curaco, AN;
Abstract
A right looper release mechanism in an overlock sewing machine is disclosed comprising a vertically movable needle having a needle thread, a right looper disposed under the vertically movable needle and reciprocally movable in a direction crossing the vertically movable needle, a rear driving lever attached to the right looper and engaged in a right looper shaft so as to be freely turned relative thereto, a front driving lever fixed to the right looper shaft, a fixing screw member inserted in a throughhole of the front driving lever so as to be freely turned, said fixing screw member having a male screw being screwed into a female screw 3a of the rear driving lever so as to transmit a motion of the right looper shaft to the rear driving lever by way of the front driving lever, and an elastic member for elastically biasing the fixing screw member in a direction to release the fixing screw member so as to be unscrewed from the female screw of the rear driving lever.