door operator

door operator

On elevators, a device or assembly of devices which opens and closes a car door and/or hoistway door by power other than by hand, gravity, springs, or the movement of the car.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
MUKESH Ambani- led Reliance Jio on Tuesday hit back at the Cellular Operators Association of India ( COAI) for calling the company a back door operator, saying the charge has already been rejected by the Supreme court and leveling such an allegation is contempt of court.
Hormann has announced the launch of PortaMatic door operator that can automatically open and close doors via a hand transmitter or by a non-contact switch.
* An automatic garage door operator encourages you to shut the door quickly, thereby saving fuel-in unheated garages--by preventing cold from reaching the inside walls.
Industrial and commercial door manufacturer, Crawford Amber has introduced a new door operator for installation in loading bays, warehouses and other door access areas where efficient logistic flow is critical.
The electro-mechanical sliding door operator is microprocessor controlled with a silent brushless DC motor, A unique LED programme switch provides on/off, one-way traffic, reduced opening and fully automatic modes.
Clean-Roll high-speed door and door operator system has won certification by.
COAI Director General Rajan Mathews hit back at Mukesh Ambani- run Reliance Jio saying `` despite repeated and grave provocations from Reliance Jio, COAI wishes to state that Reliance Jio which entered the sector as a Back Door Operator (" BDO") was welcomed by COAI as a full member.'' `` The BDO, Reliance Jio was never an applicant for a UASL or UL license but bought a BWA through a front entity and then had it converted to a full blown UASL license despite strong objection from certain quarters including the CAG.
THE Briton Compact Door Operator for sliding doors has been launched by Ingersoll Rand Security Technologies to satisfy growing demand for a slimline automatic door solution.
Derby, CT, June 03, 2012 --(PR.com)-- Arrow Lock[TM] is proud to announce the launch of the new 7700 Series Door Operator to its product line.
"Automatic door operator switches are usually the last fixtures to be installed before a reopening," says Magdal.