Patents
Patents for B66B 5 - Applications of checking, fault-correcting or safety devices in elevators (12,501)
03/1989
03/22/1989CN2034577U Straight push angular displacement spring throttle valve on mine hoisting machine
03/07/1989US4809817 Apparatus for controlling elevator at occurrence of earthquake
03/07/1989CA1250971A1 Elevator system with lamp failure monitoring
02/1989
02/22/1989EP0303717A1 Drive control system for electric motor.
02/21/1989US4805741 Elevator brake
02/15/1989CN1003298B Position control system for elevator
02/07/1989CA1249889A1 Elevator system
02/02/1989DE3822466A1 Method of checking the position and movement of transport equipment moved by rope
02/01/1989CN1030732A Safety devices for elevator
01/1989
01/25/1989CN2032094U Safety clip for broken acble of a lifter
01/25/1989CN2031394U Safety clip for broken cable of a lifter
01/18/1989CN1030391A Control apparatus of ac elevator
01/11/1989EP0298784A2 Elevator car door and motion sequence monitoring apparatus and method
01/11/1989CN2030587U Safety device for simple cargo elevator
01/04/1989CN2030184U Emergency device for lift
12/1988
12/06/1988CA1246255A1 Elevator system
12/01/1988WO1988009584A1 Alternating current motor control system with emergency control
11/1988
11/24/1988DE3714903A1 Overload limiter for lifting (hoisting) machines
11/22/1988US4785914 Elevator system leveling safeguard control and method
11/09/1988CN87107326A Controlling apparatus of elevator
10/1988
10/26/1988CN87214082U Weightlessness type overrunning governor
10/19/1988CN88100138A Safety device for alternating current elevator
10/12/1988EP0285751A1 Lift winch
09/1988
09/28/1988CN87215057U Anti-falling devie of friction safety cord
09/20/1988US4771865 System for the remote management of elevator installations
09/15/1988DE3706802A1 Speed limiter with safety brakes, e.g. for lift cars
09/07/1988WO1988006817A1 Drive control system for electric motor
08/1988
08/30/1988US4766978 Elevator system adaptive time-based block operation
08/30/1988US4766977 Load detecting apparatus for elevator
08/25/1988WO1988006137A1 Elevator escape structure
08/24/1988EP0279144A2 Safety brake
08/24/1988EP0278988A1 Alternating current motor control apparatus.
08/23/1988US4765442 Elevator system graceful degradation of bank service
07/1988
07/27/1988CN87212221U Safety brake device for gantry crane
07/12/1988US4756389 Apparatus for detecting a position of a cage in a hydraulic elevator
07/05/1988US4754851 Control apparatus for elevator
06/1988
06/14/1988US4750591 Elevator car door and motion sequence monitoring apparatus and method
06/14/1988US4750590 Counteracting elevator car oscillation
05/1988
05/10/1988US4742892 Control apparatus for elevator
04/1988
04/12/1988CA1235237A1 Converter-powered drive for an elevator
04/07/1988WO1988002478A1 Overload protection
04/05/1988US4735291 Hydraulic jack assembly for a hydraulic elevator
03/1988
03/09/1988EP0258915A1 Device for remote control of conditions, processes and breakdowns on lifts, elevators, escalators and the like by means of transmission on local and trunk telephone lines
03/09/1988EP0258294A1 Emergency device for elevators
02/1988
02/25/1988WO1988001450A1 Alternating current motor control apparatus
02/24/1988CN87203252U Lift tractor with flatlayer mechanism while interruption
02/16/1988US4724932 Monitoring apparatus for elevator
02/10/1988CN87105756A Apparatus for probing position of cages in hydraulic elevator
02/03/1988CN87208368U Safety device for elevator for rope breaking
02/03/1988CN87103628A Calling signal producing apparatus for elevator
01/1988
01/27/1988CN87104634A Remote management system of electric lift
01/19/1988US4719995 Control apparatus for A.C. elevator
01/13/1988EP0252266A1 Remote monitoring system for lift installations
12/1987
12/17/1987WO1987007587A1 Device for automatically freeing persons imprisoned inside a broken-down lift cage or the like
12/16/1987EP0249264A2 A mandrel for forming a bottom in a packaging container
12/02/1987CN87103322A Controlling apparatus of alternating current elevator
12/01/1987US4709788 Group control apparatus for elevators
11/1987
11/24/1987US4708223 Emergency lighting for elevator cab
11/11/1987EP0244576A1 Control of a cable-pulled carriage on guiding rails of an inclined lift comprising several telescopic elements
11/04/1987EP0244030A1 A hand-operated releasing and displacing apparatus for a staircase lift or similar transport apparatus
10/1987
10/21/1987CN85109574A Safety stop of an elevator
10/20/1987US4700810 Method of controlling an elevator
10/15/1987DE3611893A1 Shaft break safety device, in particular for lifting drives
10/08/1987DE3611597A1 Central remote escalator monitoring arrangement
10/07/1987EP0239662A1 Two-way ring communication system for elevator group control
10/06/1987US4698780 Method of monitoring an elevator system
09/1987
09/29/1987US4697243 Methods of servicing an elevator system
09/29/1987CA1227584A1 Elevator system
09/16/1987CN87101734A Control apparatus of elevator
09/11/1987WO1987005282A1 Emergency device for elevators
09/01/1987US4690251 Emergency control system for elevators
09/01/1987US4690243 Elevator control apparatus
08/1987
08/27/1987DE3700578A1 Device for restricting the downwards motion of a lift
08/11/1987US4685539 Operating system for elevator
08/05/1987CN86202400U Quickly operated block spring-brake for pit hoist engine
07/1987
07/21/1987US4681190 Apparatus for controlling an elevator
07/21/1987CA1224426A1 Hydraulic buffer for elevators
07/14/1987CA1224288A1 Control apparatus for a.c. elevator
07/14/1987CA1224286A1 Elevator system
07/08/1987CN85105540A Alternating current elevator automatic storey searching device during power supply interruption
06/1987
06/23/1987CA1223379A1 Elevator operating system
06/16/1987US4673062 Position control system for elevator
06/09/1987US4671391 Moving distance detector for an elevator
06/09/1987US4671390 Converter-powered drive for an elevator
06/02/1987CA1222583A1 Method and apparatus for improving the servicing of an elevator system
05/1987
05/19/1987US4666020 Control apparatus for elevator
05/13/1987EP0115482B1 Lift
05/05/1987US4662481 Elevator system
05/05/1987US4662478 Apparatus for automatic floor arrival at service interruption in A. C. elevator
04/1987
04/28/1987US4661757 Controller for AC elevator
04/22/1987EP0218805A2 Catching device for a lift cage
04/21/1987CA1220885A1 Elevator system
04/14/1987US4657117 Elevator power supply and drive system
04/07/1987CA1220145A1 Progressive safety
03/1987
03/31/1987US4653612 Speed limiter for lifts provided with catch device
03/31/1987US4653611 Elevator control apparatus
03/17/1987US4650037 Elevator system
03/17/1987US4649751 Supervisory operation control system for protecting elevators or the like from a dangerous situation
03/12/1987DE3615270A1 Preliminary cut-off mechanism on a cam-wheel speed limiter for lifts
03/11/1987CN85205783U Elevator safety equipment