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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |