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7607515 Elevator evacuation apparatus  
An elevator evacuation apparatus is described, which enables a person(s) trapped in a stopped elevator car to pull a emergency cable outside a car window to activate a cam based pulley and gear...
7556126 Elevator escape arrangement  
An elevator escape arrangement includes a hinged window on a car; an escape rope passed by the window; a spring biased linking mechanism interconnected the window and a door; and a drive assembly...
7523809 Elevator top of car safety  
An elevator car ( 2 ) comprises a cover ( 14; 40 ) extending over at least a portion of the top surface of the car ( 24 ). The cover ( 14; 40 ) is mounted on a resilient support ( 28, 42 ). The car...
7469773 Assistant ceiling device for shielding escape hatch of an elevator  
An assistant ceiling device designed to shield an escape hatch installed to a ceiling of an elevator cab is provided. The assistant ceiling device includes two elongated rail guides and a...
7434664 Elevator brake system method and control  
A rescue braking system provides a smoother elevator car movement by mechanically lifting or applying the brake. The rescue braking system incrementally adjusts the force applied to the brake based...
7416056 Emergency elevator system  
The present invention relates to an elevator system for use during an emergency. The elevator system comprises two elevator shafts constructed adjacent to each other. Each elevator shaft houses an...
7398861 Elevator monitoring unit and procedure for the maintenance of an elevator unit  
An elevator monitoring unit and a procedure for maintenance of an elevator monitoring unit include arranging the elevator monitoring unit on at least one door post element which is integrated into...
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...
7353916 Elevator supervision  
A method and system for supervising the safety of an elevator having a car driven by a drive within a hoistway wherein a travel parameter (X ABS ,X″ Acc ,X′ IGB ) of the car is sensed and...
7350625 Shaft door monitoring system for an elevator installation  
A shaft monitoring system for an elevator installation includes a contactless sensor enabling recognition from the elevator car whether a shaft door lock and a shaft door leaf are in a correct...
7325657 Elevator installation and monitoring system for an elevator installation  
An elevator installation with an elevator car moveable in an elevator hoistway by means a drive unit is controlled by a control unit. Sensors monitor the status of the elevator installation and are...
7252180 Situation-dependent reaction in the case of a fault in the region of a door of an elevator system  
An elevator system includes an elevator car having a car door, a drive unit for moving the elevator car along an elevator shaft wall provided with shaft doors and a controller for controlling...
7237655 Elevator system and method for preventing unauthorized hoistway access  
An arrangement and method for preventing unauthorized access of personnel into the hoistway of an elevator system. The arrangement includes a security device for mounting in the vicinity of an...
7178635 Elevator control having independent safety circuits  
An elevator installation with at least one shaft having a plurality of shaft doors is provided. At least two cars disposed one above the other travel up and down in the shaft. Each car has at least...
7143870 Elevator hall door and door hanger apparatus  
A door panel comprises a surface board 11 facing a hoistway, a back board 12 facing a hoistway, and a reinforcing member 13 for reinforcing the surface board 11 and the back board 12 ....
7114594 Door frame of a shaft door with a control arrangement for an elevator shaft and method for access to a control unit  
An elevator shaft door frame incorporates a control arrangement for an elevator installation including a control unit. The control unit is fixed in a chamber of a frame element of the door frame....
7051842 Emergency moving device of an elevator  
An emergency moving device of an elevator includes a reduction gear, several first gears coupled to a shaft of the reduction gear, a first connector releasably coupled to the car, a second...
7032714 Automatic return mechanism for elevator escape device  
Disclosed is a return mechanism for elevator escape device. The return mechanism mounted at a wall of a car and comprises a drive sheave, upper and lower secondary sheaves, a wheel coaxially...
6988592 Door and door hanger device at elevator landing  
A door panel includes a surface board facing a hoistway, a back board facing a hoistway, and a reinforcing member for reinforcing the surface board and the back board. The back board is connected...
6966409 Backup power device for elevator  
Backup power device for an elevator comprises a brake including a brake controller and a manual brake rod, a damping assembly including a roller at one end of a lever, and a wheel having alternate...
6942067 Portable emergency drive for an elevator  
An emergency drive is a toothed element such as a gear rim, is arranged on a traction sheave of an elevator drive. During emergency operation, the gear rim is driven by means of a pinion of an...
6902040 Elevator car  
An exit ( 5 ) formed in an elevator car ( 1 ) is closed by doors ( 8 ) of multi-construction including an inner door ( 6 ) and an outer door ( 7 ). Air is able to flow between a space between the...
6892862 Elevator car with a driving pulley driving machine integrated therein  
An elevator car ( 1 ) includes, a support frame ( 8 ) of a cable-driven elevator system without a machine room, with a compact driving pulley driving machine ( 7 ), combine with a brake, integrated...
6880678 Device for carrying out work in an elevator shaft  
According to the invention, the maintenance scaffold ( 10 ) is assembled as follows: in a first step, an illuminated ceiling, which lies below the collapsed maintenance scaffold ( 10 ), is taken...
6863160 Service barrier  
A service barrier for elevator equipment and a method for deploying the same, said barrier comprising a floor plate and a plurality of leaves hinged along vertical axes, said floor plate pivotally...
6851521 Emergency unlocking device at shaft doors of elevators  
An emergency unlocking device includes an unlocking lever actuated by an unlocking slide that is guided in a guide fastened to the inner side of the shaft door. The guide covers a passage that is...
6786305 Double-deck elevator  
A double-decker elevator includes a winch, an upper car, a lower car, a car support frame supporting the upper and lower car, a car space adjusting device capable of adjusting the space between the...
6615953 Construction hoist with optical monitoring device  
The invention relates to a building elevator having an elevator mast, which can be set up vertically, and having an elevator car which can be moved in the vertical direction along the elevator mast...
6481534 Apparatus for maintaining adequate overhead space for car top mechanics in elevator systems  
Apparatus for maintaining adequate overhead space for a worker located upon the roof of an elevator car having a drive mechanism that disengages under a given load. A brace is secured to the car...
6464043 Elevator emergency escape device  
An elevator emergency escape device is activated by mechanical failure, power outage, an earthquake, fire, etc. When the device is triggered by a passenger breaking a cover over an emergency button...
6374953 Vertical plunger brake control device  
Improved apparatus for manually releasing and controlling an elevator hoist brake having a solenoid with a vertically-actuated, flanged plunger operable to drive the brake shoes apart in opposition...
6230845 Moveable control panel for elevators  
6079524 Automatic stop mechanism for a rolling door  
An automatic stop mechanism for a rolling door includes two brake members mounted to the stop member which is removably engaged with the fixture, the stop member having a flange disengagably...
5964319 Remote-operated elevator door safety control  
A remote-operated elevator door safety control for holding open a door of an elevator from a remote location includes a transmitter remote from the elevator for selectively transmitting a door-open...
5899302 Elevator door interlock  
An elevator door interlock includes a position indicator mounted at each landing, an elongate vane pivotally mounted in a fixed position with respect to the car door for movement between a first...
5819877 Elevator evacuation deterrent device  
A simplified elevator car door lock assembly locks an elevator car door if the car is outside a landing zone and there is an attempt to open those doors. The car doors are connected to the hoistway...
5732796 Elevator car evacuation deterrent device  
An elevator door evacuation deterrent device in combination with a moving vane elevator door coupler having a pair of coupler vanes pivotally connected by links to form a parallelogram movable...
5732797 Safety release device operating in a linear belt transmission for automatically-opening lift and elevator gates  
The invention relates to a safety device for gates of lifts and elevators comprising a release device (4) which, when a door of the lift gate is closing and meets an obstruction, causing an...
5671829 Brake system for elevator car doors  
A brake mechanism for slowing elevator car doors in an elevator system during an emergency power outage or electrical control malfunction includes a brake shoe activated by a solenoid. During...
5655627 Elevator door restrictor  
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...
5196656 Elevator door control apparatus  
An elevator door control apparatus includes an alternating current motor for opening and closing an elevator door. An inverter for converts a DC voltage from a first DC power supply into an AC...
5144101 Control apparatus for elevator doors using velocity limiting circuits  
An apparatus for controlling elevator doors where door operation velocity is calculated based on the rotational velocity of the door driving motor. An abnormality detection circuit is provided to...
5002158 Elevator safety  
A safety braking disk (56) is secured to rope drive sheave (14). First (52) and second (54) safety brake assemblies each operate on opposing parallel sides of the disk. Brake pads (60) are...
4984658 Car gate reversing edge  
The invention provides a scanning beam along the forward edge of an elevator car closure which leads the edge a predetermined distance to provide sufficient time when an object interrupts the beam...
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...
4599876 Control mechanisms suitable for actuating power-operated locks  
A control mechanism suitable for actuating a power operated lock. The control mechanism includes key-engageable surfaces which are shielded from direct access by way of a key-receiving tunnel. The...
4529065 Elevator system  
An elevator system including an elevator car having an electromechanical door restraint mechanism which includes a locked position which permits slight opening of the door by passengers for...
4512443 Lift door control apparatus  
A lift door control apparatus including a door locking mechanism and a release mechanism for releasing the door locking mechanism. The release mechanism comprises a release arm coupled to the shaft...
4491200 Locking mechanism for an elevator car door  
An apparatus for preventing the car door section of an elevator car from being opened when the elevator car is not located at an authorized landing zone in the elevator shaft. A car door locking...
4469200 Releasable hoistway door safety interlock  
To prevent passengers in an elevator from opening the hoistway door when the car is well above the floor, a rotatable arm is located below the car and engages the hall door to prevent it from being...
Matches 1 - 50 out of 64 1 2 >