Motorized Device for Opening and Closing Curtains

Motorized Device for Opening and Closing Curtains

The disclosure provides a device for automatically opening and closing a pair of curtains that includes a rod with a longitudinal hollow space. The device also includes a first and second threaded shaft housed within the hollow space. First and second gears are attached to the first and second threa...

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Hauptverfasser: Miles, Jerome, Hall, David R
Format: Patent
Sprache:eng
Schlagworte:
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
FURNISHINGS FOR WINDOWS OR DOORS
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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creator Miles, Jerome
Hall, David R
description The disclosure provides a device for automatically opening and closing a pair of curtains that includes a rod with a longitudinal hollow space. The device also includes a first and second threaded shaft housed within the hollow space. First and second gears are attached to the first and second threaded shaft, respectively. The first and second gear intermesh, so that, when the first threaded shaft rotates in a first angular direction, the second threaded shaft rotates in an opposite second angular direction. The device also includes first and second threaded nuts, threaded onto the first and second threaded shafts. A motor is provided to rotate the first threaded shaft in the first angular direction and simultaneously rotate the second the shaft in the opposite second angular direction.
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subjects COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
FURNISHINGS FOR WINDOWS OR DOORS
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
title Motorized Device for Opening and Closing Curtains
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