Title:
OPENING AND SHUTTING DRIVE OF SHEET SHUTTER
Document Type and Number:
Japanese Patent JP2003307084
Kind Code:
A
Abstract:
To realize a sheet shutter drive saving a space with a high efficiency and a low cost.
As a drive of a pivot winding up the sheet shutter, a large number of small spur gears or worm wheels are arranged on a large-sized spur wheel or the circumference of a worm wheel to drive them with a large number of low cost small motors, and reduction of a driving cost, enhancement of mechanical reliability and promotion of space-saving efficiency can be realized.
More Like This:
Inventors:
KURAOKA TOSHIAKI
Application Number:
JP2002146931A
Publication Date:
October 31, 2003
Filing Date:
April 15, 2002
Export Citation:
Assignee:
KURAOKA TOSHIAKI
International Classes:
E06B9/70; (IPC1-7): E06B9/70
Previous Patent: SASH
Next Patent: SETTING DEVICE AND SETTING METHOD FOR STANDARD POSITION AND DIRECTION OF BORING MACHINE
Next Patent: SETTING DEVICE AND SETTING METHOD FOR STANDARD POSITION AND DIRECTION OF BORING MACHINE