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Häfele's furniture fittings (hinges, drawer systems, handles, connectors, ambient lighting), architectural hardware (door hardware and electronic locking systems), and other related fittings are designed for the furniture, building, and hardware supply industries. Häfele manufactures a range of products from ironing boards to door closers.
A door operator may be triggered in various ways: Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. Pushbutton - the door opens when a user presses a button. Access control - the door opens when an access control system determines the user is authorized to go through. Automatically (in the case of elevators).
In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s.
Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance.
Automatics: automatic door operators, sliding doors, swing doors and revolving doors, automatically operated sliding glass panel partitions; Glass: fittings, door and side panel rails, locks; Security: access control systems, security door fittings, emergency exit control systems, lock and electric keeps, security and detection systems
A Rhode Island man has admitted to using gasoline to set several fires around the exterior of a predominantly Black church earlier this year, according to a federal plea agreement.
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