Patents
Patents for B66B 13 - Doors, gates, or other apparatus controlling access to, or exit from, cages or lift-well landings (5,715)
07/1990
07/18/1990EP0377866A2 Travel continuation indicator for a lift system
07/17/1990CA1271711A1 Elevator cab and door strike post construction therefor
07/11/1990CA2007400A1 Elevator system having hall lantern assembly for elevator car door post or hatch door post
06/1990
06/19/1990US4935677 Lock system for an automatic door
06/19/1990US4934488 Door lock for an elevator car
05/1990
05/30/1990EP0370879A1 Door operator for a swinging door with automatic opening and closure, and the door itself
05/30/1990EP0370513A1 Sliding door system for an elevator
05/22/1990US4926975 Elevator car with improved door lock
05/22/1990US4926974 Elevator car with improved car door clutch
05/22/1990CA1269434A1 Equipment on automatic doors for the recognition of obstacles
05/16/1990CN2057168U Automatic door clock for elevator
05/15/1990US4924974 Elevator system having hall lantern assembly for elevator car door post of hatch door post
05/03/1990DE3907984C1 Suspension device for a contact strip for the door-edge locking in particular of electrically controlled shaft doors of lifts
04/1990
04/10/1990US4914859 Automatic door safety system
03/1990
03/27/1990US4910961 Hydraulic door opening or closing device
03/20/1990US4910464 Proximity detector
02/1990
02/28/1990CN1006979B Elevator landing door unlocking apparatus
02/14/1990EP0354414A2 Lock for the door of a lift shaft
02/13/1990CA1265880A1 Safety system for closing doors
02/07/1990EP0353424A1 Device to close the clearance between the shaft and the car of a lift installation
01/1990
01/31/1990EP0353016A2 Electrically driven service lift
01/31/1990CN2051986U Self-locked door for lift-well landings
01/25/1990WO1990000509A1 A device for a rapid positioning of a heavy carriage
01/23/1990US4894952 Movable door
01/17/1990CN2051222U Automatic open-close machanism for construction lift floor block
12/1989
12/07/1989DE3818856A1 Passenger lift for two-storey dwelling houses
12/06/1989EP0344404A1 Method and device for controlling the position of an automatic door
11/1989
11/29/1989EP0343351A1 Sliding door assembly
11/29/1989CN1037489A Driving apparatus for doors of elevator with locking mechanism
11/22/1989CN1037318A Sliding door assembly
11/14/1989US4880210 Removable and stackable hoistway door assesmbly
10/1989
10/17/1989US4874063 Portable elevator traffic pattern monitoring system
09/1989
09/26/1989CA1261085A1 Hydraulic elevator having microprocessor-based, distributed control system
09/20/1989EP0332841A1 Door actuating apparatus with a locking mechanism for lifts
09/12/1989CA1259431A1 Elevator group control for the distribution of traffic at a main floor
09/05/1989US4864296 System for synchronizing signals on a two-wire line
08/1989
08/23/1989EP0328562A1 Proximity detection systems
06/1989
06/20/1989US4840254 Elevator hoistway door interlock
06/13/1989US4839605 Signal compensation circuits
05/1989
05/23/1989US4832157 Displaying device for elevator
04/1989
04/11/1989US4819403 Method for installing elevator doors
03/1989
03/22/1989EP0307870A1 Vertical telescopic door for a lift cabin and a goods lift
03/01/1989CN1031357A Hydraulic door opening or closing device
02/1989
02/01/1989CN1030733A Doorlock apparatus for elevator
12/1988
12/15/1988WO1988009862A1 Proximity detection systems
11/1988
11/29/1988US4787481 Hydraulic elevator having microprocessor-based, distributed control system
11/23/1988EP0291654A1 Hydraulic door opening or closing device
11/22/1988US4785914 Elevator system leveling safeguard control and method
11/09/1988EP0290355A1 Driving mechanism for accordeon-type doors of lift cars
11/01/1988US4781270 Elevator door arrangement
10/1988
10/18/1988US4778034 Device for controlling the opening and shutting movement of sliding elevator doors
10/11/1988US4776433 Elevator door control system
08/1988
08/30/1988CA1241404A1 Detection means
08/18/1988DE3803317A1 Fire-protection passenger-lift door
06/1988
06/28/1988US4753323 Safety system for closing doors
05/1988
05/03/1988US4742549 Procedure for watching over the area in front of a lift
04/1988
04/05/1988US4735294 Elevator group control for the distribution of traffic at a main floor
04/05/1988US4735293 Hatchway door for elevator system
04/05/1988US4735292 Hydraulically operated elevator door mechanism
03/1988
03/22/1988US4732238 Obstacle detection system for automatically controlled elevator doors
03/08/1988CA1233701A1 Door entrance
03/02/1988EP0257055A1 Signal compensation circuits
02/1988
02/23/1988US4726449 Elevator cab and door strike post construction therefor
02/03/1988CN87105024A Elevator landing door unlocking apparatus
12/1987
12/16/1987EP0248997A1 Control device for dispatching cars at a main landing at lift groups
12/08/1987US4711323 Door drive for doors of elevator cars
12/02/1987EP0247463A2 Lift car door
12/01/1987US4709787 Elevator
11/1987
11/10/1987US4706227 Acoustic obstruction detector and method
10/1987
10/29/1987DE3712184A1 Method for operating additional devices of an automatic door system
10/28/1987EP0242545A1 Door for a lift car
10/13/1987CA1228183A1 Elevator interlock assembly
09/1987
09/30/1987EP0070883B1 Photoelectric obstruction detector for elevator doorways
09/29/1987US4696375 Chain break safety device
09/16/1987EP0237492A2 Device for controlling the opening and shutting movement of sliding lift doors
09/16/1987EP0236909A1 Telescopic door for a lift car
09/15/1987US4693340 Bumper guide assembly for elevator doors
09/15/1987CA1226762A1 Lift landing door frame arrangement
09/09/1987CN86107087A Lighting apparatus for elevator cages
09/02/1987EP0234775A1 Signal processing circuits
08/1987
08/13/1987WO1987004691A1 Signal compensation circuits
08/11/1987US4685539 Operating system for elevator
08/11/1987US4685537 Elevator system which utilizes both rigid and resilient mounting arrangments for door operator
07/1987
07/07/1987US4679032 Procedure and means for producing a contrast image
06/1987
06/24/1987EP0226322A2 Proximity detector
06/23/1987CA1223379A1 Elevator operating system
05/1987
05/21/1987WO1987003100A1 Proximity detector
04/1987
04/14/1987CA1220578A1 Elevator system
04/01/1987CN86104266A Lift appliance
03/1987
03/11/1987EP0213308A1 Obstacle recognition device for automatic doors
01/1987
01/20/1987CA1216869A1 Elevator door operator
01/14/1987EP0208170A1 Automatic door with several opening widths
12/1986
12/31/1986CN86104599A Running device of electrical lift
11/1986
11/18/1986US4623040 Method and apparatus for reducing elevator service calls
11/05/1986EP0199752A1 Automatic control using proximity sensors.
08/1986
08/26/1986US4607832 Endless belt separator having an unsupported separating surface
07/1986
07/03/1986WO1986002506A3 Automatic control using proximity sensors
06/1986
06/10/1986US4594281 Lightweight impact absorbing panel
06/10/1986US4593793 Elevator door configuration
05/1986
05/28/1986EP0182142A1 Lift door actuating device
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