Presser foot lubrication system

Details Presser foot lubrication system Presser foot lubrication system

1987-12-14

1988-07-26

Falik, Andrew M.

Sewing

Elements

Lubricating

112235, D05B 7100, D05B 2912

Patent

active

047593032

ABSTRACT:
A sewing machine presser foot lubrication system which includes apparatus to directly supply a lubricating fluid to the underside of a presser foot. The apparatus includes a small lubricant flow tube attached to a forwardmost underside portion of the presser foot. By such direct attachment of the lubricant flow line to the presser foot, a more effective lubricating function between the presser foot and a work piece is achieved. The apparatus further consists of a lubricant reservoir and the appropriate valving to control the lubricant flow rate therefrom. The flow tube is in two sections wherein a flexible second portion can be quickly disconnected from a rigid first portion which is integral with the presser foot.

REFERENCES:
patent: 477379 (1892-06-01), Morgan
patent: 2316647 (1943-04-01), Giglio
patent: 2442222 (1948-05-01), Uccellini
patent: 2630089 (1953-03-01), Champlin
patent: 3568615 (1971-03-01), Stretton
patent: 4392850 (1983-07-01), Elias et al.
patent: 4548606 (1985-10-01), Larkin

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