Title:
DRIVE SYSTEM FOR WINDING SHADE, BLIND, ROTARY SHUTTER AND OTHERS
Document Type and Number:
Japanese Patent JPS56163386
Kind Code:
A
Abstract:
This driving system for roll-up shades, blinds, rolling shutters or the like is applicable to tubular winding tubes of the shade or the like and comprises an electric motor having its shaft coupled to the tube, and an emergency manual control mechanism in the form of a worm and wheel gearing adapted, in case of failure in the supply of electric current, to drive at the same speed the tubular casing of the electric motor and the winding tube, without causing any misadjustment of the automatic stop device; for this purpose, a particularly compact kinematic connection is provided and comprises a first toothed ring rigid with the winding tube and connected through adequate kinematic means including a pinion rotatably mounted inside a drive wheel to a second toothed ring disposed on the opposite face of this wheel and connected via a toothed wheel to cam members incorporated in the automatic stop means.
Inventors:
JIYAN BIYURA
Application Number:
JP5786981A
Publication Date:
December 15, 1981
Filing Date:
April 18, 1981
Export Citation:
Assignee:
CARPANO & PONS
International Classes:
E04F10/00; E05F15/10; E06B9/68; E06B9/56; E06B9/74; E06B9/82; E06B9/84; (IPC1-7): E04F10/06; E05F15/10; E06B9/204