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.

Date of Patent:
Jun. 25, 1985

Filed:

Oct. 18, 1983
Applicant:
Inventors:

Yuzo Tsunekawa, Odawara, JP;

Takashi Tomizawa, Odawara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21F / ;
U.S. Cl.
CPC ...
72133 ; 29 3 / ; 29 3 / ; 29792 ; 72142 ;
Abstract

A torsion spring having a coiled portion and straight ends is formed on a spindle by a winding machine with the coiled portion being wound around the spindle. A transfer device for transferring the torsion spring to a spring feeding position in which the torsion spring is fed to a spring inserting device receives the torsion spring directly from the spindle and transfers it to the spring feeding position keeping the torsion spring in a predetermined orientation.


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