1
Gregory L Horne, Tom J Harrison: Elevator door restrictor. Advanced Microcontrols, James E Bradley, August 12, 1997: US05655627 (15 worldwide citation)

An elevator is provided with a car, an inner door mounted to the car and outer doors mounted to floor openings which define floor zones. The inner door registers with the outer doors when the car is disposed within one of the floor zones. The elevator includes a door restrictor having an electric so ...


2
Gregory L Horne, Tom J Harrison: Elevator door restrictor. Advanced Microcontrols, James E Bradley, Felsman Bradley Vaden Gunter & Dillon, December 28, 1999: US06006866 (14 worldwide citation)

An elevator is provided with a car and inner and outer doors. The inner door registers with one of the outer doors when the car is disposed within a floor zone. A solenoid on the car has a plunger for blocking the inner door from opening. Power will only be applied to the solenoid to move the plunge ...


3
Jeff Friend: Building elevator door restrictor. Harris Zimmerman, July 6, 1999: US05918705 (5 worldwide citation)

Opening of an elevator door by occupants of a car which is stalled between building floors is prevented by a locking member which is movable by an electrical actuator between a door locking position and a door releasing position. Opening is permitted at unlocking zones at which the car is at or clos ...


4
Matthew Martin: Elevator car door movement restrictor. Inventio, Butzel Long, August 29, 2006: US07097001 (4 worldwide citation)

An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain the mechanism in the correct state, ...


5
Gregory L Horne, Tom J Harrison: Elevator door restrictor. Advanced Microcontrols, James E Bradley, April 27, 1999: US05896953 (1 worldwide citation)

An elevator is provided with a car, an inner door mounted to the car and outer doors mounted to floor openings which define floor zones, the inner door registers with the outer doors when the car is disposed within one of the floor zones. The elevator includes a door restrictor having an electric so ...


6
Martin Matthew: Door restrictor. Inventio, May 25, 2005: EP1533266-A2

An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain the mechanism in the correct state, ...


7
Horne Gregory L, Harrison Tom J: Elevator door restrictor. Advanced Microcontrols, June 3, 1998: EP0844977-A1

An elevator is provided with a car, an inner door mounted to the car and outer doors mounted to floor openings which define floor zones, the inner door registers with the outer doors when the car is disposed within one of the floor zones. The elevator includes a door restrictor having an electric so ...


8
Martin Matthew: Restricteur de porte, Door restrictor. Inventio, Inventio, Riches Mckenzie & Herbert, August 9, 2011: CA2487234

An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain the mechanism in the correct state, ...


9
Matthew Martin: Door restrictor. Macmillan Sobanski & Todd, One Maritime Plaza Fourth Floor, May 12, 2005: US20050098389-A1

An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain the mechanism in the correct state, ...


10
Horne Gregory L, Harrison Tom J: Elevator door restrictor. Advanced Microcontrols, Horne Gregory L, Harrison Tom J, BRADLEY James E, February 20, 1997: WO/1997/006090

An elevator (11) is provided with a car (13), an inner door (15) mounted to the car (13) and outer doors (17) mounted to floor openings (19) which defines floor zones (21), wherein the inner door (15) registers with the outer doors (17) when the car is disposed within one of the floor zones (21). Th ...