Gear Mechanical Rolling Shutters

Our customers can purchase from us Gear Mechanical Rolling Shutters, which is a mechanical type rolling shutter and is fitted with ball bearings. A crank handle is a winding handle for pulling and pushing this mechanical Gear Operated Shutter. The crank handle operation can be provided on both sides of the wall as per the customer requirements.

Specifications:
* If the rolling shutter is operated by a bevel gear-box and crank handle, it can be used up to a maximum of about 25 mA clear area.
* These type of shutters normally use worm drive arrangement.
* This arrangement drives the worm wheel fixed to one end of the roller.
* The worm drive provides protection against any accidental falling of the curtain because of spring failure.
* The gear box operates the worm with a straight shaft joining the top of gear box and worm. The crank handle of the gear box can be removed.