Sewing machine lubrication system

Details Sewing machine lubrication system Sewing machine lubrication system

1985-03-21

1986-05-13

Schroeder, Werner H.

Sewing

Elements

Lubricating

1841041, D05B 7100

Patent

active

045879125

ABSTRACT:
A apparatus is provided for creating and maintaining lubricant pressure and flow to various operative mechanisms disposed within the frame of the sewing machine independent of the sewing machine operation. To aid in the lubrication process, a lubricant heater is provided. The lubricant heater operates independent of the sewing machine operation and serves to warm or heat the lubricant to a preset temperature before it is communicated to the bearing surfaces of the operative mechanisms. The invention may further include a device disposed between the lubricant pump and heater for filtering the lubricant before it is delivered to the operative mechanisms of the machine.

REFERENCES:
patent: 2705458 (1955-04-01), Sunden
patent: 3406788 (1968-10-01), Weisz
patent: 3416633 (1968-12-01), Swearingen
patent: 3555962 (1971-01-01), Wolf et al.
patent: 3658153 (1972-04-01), Berman
patent: 3953707 (1976-04-01), Tanis
patent: 4122789 (1978-10-01), Klundt
patent: 4245575 (1981-01-01), Hsiao et al.
patent: 4458642 (1984-07-01), Okubo et al.

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