Screen-taking-up device

Details Screen-taking-up device Screen-taking-up device

1985-07-24

1987-03-24

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

160310, E06B 9204, B65H 7530

Patent

active

046519408

ABSTRACT:
The present invention relates to a screen take-up device characterized in that the output from the normal-reverse turn motor of outer-rotor type contained in a screen take-up shaft is transmitted to the take-up shaft after being reduced in speed; brake is applied by a braking mechanism on the inertia output from the motor in sync with the stopping of the aforementioned motor; the number of revolutions of the take-up shaft is counted by a counter and the motor is controlled to stop at the preset number of revolutions; and the output from the manual shaft which is manually rotated in normal-reverse way is transmitted to the take-up shaft through a self-locking mechanism after being reduced in speed.

REFERENCES:
patent: 1742094 (1929-12-01), Perks et al.
patent: 2828429 (1958-03-01), Creonti
patent: 4172563 (1979-10-01), Werner et al.
patent: 4372367 (1983-02-01), Baldanello et al.

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