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:
Dec. 13, 1983
Filed:
May. 10, 1982
Applicant:
Inventor:
Wolf R von Hagen, Hemmingen, DE;
Assignee:
Union Special G.m.b.H., Stuttgart, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112256 ; 184-618 ; 184 24 ; 308 / ;
Abstract
A needle bar bushing having a lubricant seal for reducing excess lubricant on the needle bar of a sewing machine. The lubricant seal includes a plurality of vertically aligned scraping portions including at least two similarily disposed conical scraping edges situated over a portion of the length of the needle bar bushing. The conical scraping edges being arranged in surrounding engagement with the needle bar for stripping and leading excess lubricant from the peripheral surface of the needle bar thus reducing the danger of lubricant working its way through the bushing and being thrown onto the work being sewn as a result of needle bar reciprocation.