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:
Aug. 23, 1988
Filed:
Jan. 16, 1987
Applicant:
Inventor:
Flavio Bisson, Cava Manara, IT;
Assignee:
Necchi Societa per Azioni, Pavia, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112465 ;
Abstract
Automatic device for detaching the cam followers in a sewing machine where a selector knob, when it is rotated, provides the detachment of the cam followers in the first portion of rotation, and positions the desired cam in correspondence of the cam follower in the second portion of rotation. On the reduction collar of the selector knob two opposite grooves are made out, which engage pins transmitting the translation movement to a shaft which operates a cam follower detaching lever.