Machine for folding curtains and the like

Details Machine for folding curtains and the like Machine for folding curtains and the like

1979-04-23

1981-04-28

Eickholt, E. H.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

493 23, 493 28, 493442, 493937, B65H 4518

Patent

active

042640660

ABSTRACT:
An air operated electrically controlled machine using constant speed motors and known per se is provided with electronic counter and clock pulse generator control which eliminates uneven folding and over and under folding characteristics of the known machine and wherein separate photocell circuits control the folding operation while enabling much longer lengths of materials to be folded and eliminating jamming characteristics of the known machine.

REFERENCES:
patent: 3363897 (1968-01-01), Northern et al.
patent: 3485492 (1969-12-01), Iltis
patent: 3552737 (1971-01-01), Iltis
patent: 3883131 (1975-05-01), Anderson, Jr. et al.
patent: 4057241 (1977-11-01), Buss et al.
patent: 4059257 (1977-11-01), Grantham

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