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. 22, 1986
Filed:
Nov. 09, 1984
Applicant:
Inventor:
William Weisz, Tenafly, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
74552 ; 474903 ; 403362 ; 112283 ;
Abstract
A handwheel is assembled to a sewing machine arm shaft with a conical screw in association with a torque transmitting handwheel clip-on member having wings thereon which are disposed in line contact with the screw, and which include planar surfaces that are caused to engage planar surfaces on radially extending ribs of the handwheel.