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:
Oct. 04, 1977
Filed:
Feb. 05, 1976
Applicant:
Inventor:
Zenzaburo Tsukumo, Ikeda, JA;
Assignees:
NTN Toyo Bearing Co. Ltd., Ikeda, JA;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; D03J / ;
U.S. Cl.
CPC ...
2421302 ;
Abstract
There is disclosed a bobbin hanger comprising an upper assembly serving for attachment and aligning suspension, an intermediate assembly serving for constrained rotation and alignment, and a lower assembly serving for removable mounting and aligning suspension of a bobbin. Below the upper assembly, the intermediate assembly is suspended through a pivot having enlarged head portions at both ends thereof, and a dust-proof filter is incorporated between the upper and intermediate assemblies for prevention of entry of fly and dust.