Needle bar lubricant sealing device

Details Needle bar lubricant sealing device Needle bar lubricant sealing device

1982-05-10

1983-12-13

Schroeder, Werner H.

Sewing

Elements

Lubricating

184 618, 184 24, 308 5R, D05B 7100

Patent

active

044199481

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.

REFERENCES:
patent: 2580170 (1951-12-01), Grimmer
patent: 2657762 (1953-11-01), Peters
patent: 2699843 (1955-01-01), Peters
patent: 2776173 (1957-01-01), Rudy
patent: 3773003 (1973-11-01), Marforio

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