Self-oiling portable bag-closing sewing machine with pump

Details Self-oiling portable bag-closing sewing machine with pump Self-oiling portable bag-closing sewing machine with pump

1982-06-07

1984-04-10

Schroeder, Werner H.

Sewing

Elements

Lubricating

112 11, 112169, 112288, D05B 7100

Patent

active

044414420

ABSTRACT:
A combined pump and oil reservoir and oil delivery apparatus directs oil to the internal chambers of a portable sewing machine where oil is distributed by pump pressure, gravity flow, capillary action, wicking, misting and movement of machine components. Oil is pumped into a manifold leading to upper and lower main drive shaft bearings and to the needle driving assembly for subsequent dispersion during rotation and reciprocation of machine parts to fling such oil outwardly within the internal chambers to oil machinery both directly and by misting.

REFERENCES:
patent: 1937019 (1933-11-01), Hamill
patent: 1968023 (1934-07-01), Bijur
patent: 2857981 (1958-10-01), Koike
patent: 3231046 (1966-01-01), Ohrnberger
patent: 4348970 (1982-09-01), Robinson et al.

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