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8973714 Door engagement device for elevator  
A door engagement device for an elevator according to the present invention is configured in such a manner that biasing-force applying/changing means applies a turning preventing force for...
8820485 Locking system for a lift door  
A locking system for a lift door, in particular a car door of a lift car and/or a shaft door, comprises a locking device which in an unlocked state enables opening of the lift door, and in a...
8776953 Magnetic elevator door coupler  
An elevator door coupler includes a vane member adapted to be supported on one of a hoistway door or an elevator car door. A magnetic coupler device (500) is adapted to be supported on the other...
8678141 Electromagnetic coupling with a slider layer  
An exemplary electromagnetic coupling device includes an electromagnet and a vane member that is selectively magnetically coupled with the electromagnet. A non-magnetic slider layer is supported...
8678140 Electromagnet and elevator door coupler  
An elevator door assembly (20) includes an electromagnet (30) use as part of a door coupler for coupling elevator car doors (24) to elevator hoistway doors (26). A disclosed example includes an...
8607937 Elevator door system comprising a car door locking mechanism  
An elevator includes an elevator car that has a horizontally movable car door leaf, a horizontally movable shaft door leaf, a car door locking mechanism encompassing a car door bolt and a bolt...
8424652 Electromagnet and elevator door coupler  
An electromagnetic coupling device includes a vane member and an electromagnet. The electromagnet includes a core having a plurality of poles comprising at least four poles. An electrically...
7681695 Method of modernizing the car door system of an elevator, and modernizing constructional set for carrying out the method  
A method of modernizing the car door system of a elevator car, which originally comprises at least one car door leaf, a door drive with a crank gear and a drive linkage displacing the car door...
7607517 Door coupler and locking device  
A door coupler provided with coupling elements actuated by means of a linkage so as to engage a counter element provided on the landing door and a locking hook that has a closed position and a...
7464794 Coupling device for elevator car doors and landing doors  
The invention is relating to a coupling device for elevator car (5) and landing doors of the kind comprising moving cams (3) integral with the car door (5) and driving the landing door in front of...
7413058 Active slide for the doors of lifts' cabins  
An active slide (10) for doors of lifts' cabins, comprising a linearly developing blade, vertically oriented, featuring respective ends folded according to the same angle, connected in an...
7398862 Car door lock  
A door locking system for a freight or passenger elevator or goods lift installation having vertically spaced landings served by a vertically movable car, the landings and car each being protected...
7370731 Device for connecting a car door with a shaft door and for locking and unlocking the doors, a device for emergency unlocking of a car door and a method for emergency unlocking of a car door  
A device for connecting a car door with a shaft door and for emergency unlocking of a car door consists of an entrainer arranged at the car door, which entrainer detachably connects, together with...
7350623 Elevator door apparatus  
An elevator door apparatus includes an engaging device which engages car doors with hall doors. The engaging device uses a spring unit to urge a movable vane provided in each of the car doors....
7264088 Device with movable door seal for a displaceable door of an elevator installation and an elevator installation with such a device  
A device moves a door seal for a displaceable door panel of an elevator car in an elevator installation with an elevator shaft having shaft doors. The movable door seal is arranged so that the...
7255203 Clutch for coupling a car door of an elevator car with a landing door of an elevator system  
A clutch couples a car door of an elevator car with a landing door of an elevator system, wherein the car door is movable with respect to the elevator car by a first actuator. The clutch includes...
7252179 Elevator-door latching and opening device  
Elevator doors have operating bars that are pivoted on a car door and that serve to actuate shaft-door actuating rollers that operate shaft doors. These doors are operated by an apparatus having...
7100745 Equipment at an elevator car for temporarily coupling a car door leaf with a shaft door leaf for actuation of a car door unlocking means  
Equipment for temporarily coupling an elevator car door leaf with a shaft door leaf and for actuating a car door lock includes a coupling mechanism arranged at the car door leaf with two...
7097002 Elevator door drive device  
An elevator door drive device, which opens and closes at least one car door leaf and a corresponding shaft door leaf, includes a coupling mechanism mounted at the car door leaf for transmitting...
6446759 Door coupler and latch system for elevator car and landing doors  
A coupling (8) for engaging an elevator car door (16) and a landing door (20) includes a fixed vane (36) and a movable vane (38). The movable vane is positioned by an engagement link (42) in...
6374952 Elevator door apparatus  
A car cam and locking roller locking structure that opens and closes elevator doors so that the lateral sliding of the car will not affect the opening of the doors. The invention is a mechanism to...
6340073 Elevator door system  
An improved elevator door system for reducing vibration and noise in opening/closing a car door and a hatch door and allowing fast operation by releasing a landing door lock device before the car...
6328133 Elevator door with improved clutch device  
Disclosed is an elevator door with an improved clutch device suitable for increasing clutch speed and decreasing clutch distance of a car door and a hatch door.The elevator door with an improved...
6220396 Door restrictor apparatus for elevators  
The present invention provides a door restrictor apparatus for locking and preventing a sliding door on an elevator car from unauthorized opening. The door restrictor apparatus includes a locking...
6189658 Procedure for moving the landing door of an elevator, and a door coupler  
The landing door of an elevator is opened by the opening movement of the car door and closed by the closing movement of the car door by using a door coupler (20) attached to the car door. The door...
6173815 Door coupler and locking device  
A door coupler (4) comprising gripping elements (14,15) moved by a linkage (2) and designed to grip a counterpart (17,18) on the landing door, and a lock catch (10) which has a closed position and...
6164417 Procedure for closing an elevator landing door, and a door coupler  
In the procedure for closing an elevator landing door (3,4), the landing door is coupled with the car door (1,2) by a door coupler, and the car door is moved by an actuator provided in conjunction...
6070700 Operating system for elevator doors  
An operating system placed on the cabin door is shown with a continuous line in rest position and with a dotted line in working position. An arrow marked with a (Y) indicates a horizontal movement...
6062345 Elevator interlocking mechanism  
An elevator interlocking mechanism interlocks the elevator cage door and each landing door, and includes a release mechanism for release of the interlocks when the elevator cage is at rest at a...
5988320 Arrangement in the opening and closing of automatic elevator door, and a door coupler  
In the arrangement in the opening and closing of automatic elevator doors, the door coupler (20) is mounted on the car door so as to be movable in the direction of movement of the car door. The...
5950766 Procedure for closing an elevator landing door, and a door coupler  
In the procedure for closing an elevator landing door (3,4), the landing door is coupled with the car door (1,2) by a door coupler, and the car door is moved by an actuator provided in conjunction...
5797471 Linear door drive operator  
An elevator system has a car provided with a doorway and a door movable across the doorway. An improved mechanism to move the door selectively to open and closed positions includes a header...
5690188 Elevator door system  
An elevator door system including a landing door, a car door provided on a car, a latch device for locking the landing door when the landing door is closed. The elevator door system also includes...
5584365 Telescoping elevator door system  
A telescoping elevator door apparatus for an elevator having a car for travel in a hoistway is provided. The door apparatus comprises a fast elevator door, a slow elevator door, a first drive, and...
5575357 Entraining apparatus for elevator doors  
An entraining apparatus for the coupling, unlatching and entraining of elevator shaft doors includes an entraining parallelogram which is movable laterally and is actuated by a door drive on an...
5544720 Entraining and unlatching apparatus for elevator doors  
An apparatus for entraining and unlatching an elevator car door and a shaft door includes an electromagnet having a movable armature attached to a first bellows mounted on a wall of the car. An...
5246089 Door drive apparatus with locking mechanism for elevators  
A door drive apparatus with a locking mechanism for elevator doors permits the opening of the car door situated in the region of a floor together with a coupled-on shaft door, driven automatically...
5141080 Device and procedure for opening of an elevator  
The invention relates to an elevator door opening device designed for opening the car doors and the landing doors. The door opening device comprises a power means and a door coupling apparatus for...
5129486 Elevator door lock  
A center opening, linkage driven elevator door system comprises: a single door lock; an air cord; a first hoistway door attached to the air cord; a second hoistway door having a stop in register...
5105916 Elevator door coupling device  
A linkage is provided for joining a car door to a hoistway door, the linkage having a lever attached about a middle portion thereof to one of the car or hoistway doors, the lever having a roller...
5005673 Coordinated elevator car door-hall door movement  
Movable vanes mounted on the exterior of an elevator car door engage rollers on the interior of the hallway door as the car door commences to open. Subsequent opening and closing movement of the...
4947964 Door drive apparatus with locking mechanism for elevators  
An apparatus for opening and closing the car door of an elevator car which is situated in the door opening zone of a floor is coupled together with a shaft door, and is driven automatically by a...
4926974 Elevator car with improved car door clutch  
An elevator car having a clutch pivotally carried by a car door and biased to an operative position in which drive rollers of an adjacent hatch door may be engaged by "open" and "close" vanes. A...
4778034 Device for controlling the opening and shutting movement of sliding elevator doors  
The device disclosed serves to control the opening and shutting movement of sliding elevator doors, and is designed to lock the compartment door (3) and the landing door (5) together when...
4457405 Car and hoistway door coupling apparatus  
An apparatus is provided which couples a car door and a hall door in an elevator system. The apparatus includes a roller which is spring loaded into a first position for engaging a vane on the car...
4454931 Elevator door operator having a variable pitch lead screw  
An elevator door operator includes a motor which drives a worm gear. This worm gear controls the motion of a block which contains retractable members that engage rollers on the hall door, and...
4410067 Elevator door operator  
An elevator door operator includes a motor which drives a worm gear. This worm gear controls the motion of a block which contains retractable members that engage rollers on the hall door, and...
RE30719 Doorway safety device  
A safety system for automatically operated sliding panel doors, specifically elevator doors, having acoustic wave transmitters and receivers arranged in a row along the moving door's leading edge....
4227592 Duplex door safety recycling system  
A duplex door safety recycling system, primarily for elevator doors, that includes a clutch mounted safety switch for activating an electrical control circuit to recycle and open the duplex doors...
4108283 Master operator for vertically moving elevator car doors  
A master door operator employs gate mounted driving clutch members which are locked in the clutching position by linkage arms, and a plurality of driven clutches are respectively mounted on the...

Matches 1 - 50 out of 139 1 2 3 >