Needle cooler

Details Needle cooler Needle cooler

1978-08-28

1980-03-18

Feldbaum, Ronald

Sewing

Elements

Cooling

D05B 7100, D05B 5100, D05B 8100

Patent

active

041933648

ABSTRACT:
A needle cooler for a sewing machine with a vortex tube producing a cold air and hot air stream, a mounting block for mounting the cooler on a sewing machine with a bore connected to the vortex tube for transmitting the cold air to a nozzle via a flexible plastic tube, and an L-shaped positioning rod extending through bores in the block and nozzle for positioning the nozzle in a desired orientation with set screws engaging the rod in the bores for holding the nozzle in the desired orientation.

REFERENCES:
patent: 2080322 (1937-05-01), Vesconte
patent: 2669207 (1954-02-01), Happe
patent: 2690147 (1954-09-01), Adams
patent: 2690148 (1954-09-01), Adams
patent: 2690149 (1954-09-01), Adams
patent: 3200229 (1965-09-01), Fulton
patent: 3371632 (1968-04-01), Snyder
patent: 3382681 (1968-05-01), Hagy
patent: 3483836 (1969-12-01), Meersand
patent: 3721204 (1973-03-01), Schaffer et al.
patent: 3910210 (1975-10-01), Marforio

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