Patents
Sitemap › B66 - Hoisting; Lifting; Hauling › B66B - Elevators; Escalators or moving walkways › B66B 13 - Doors, gates, or other apparatus controlling access to, or exit from, cages or lift-well landings
Patents for B66B 13 - Doors, gates, or other apparatus controlling access to, or exit from, cages or lift-well landings (5,715)
01/1999
01/05/1999US5855253 Mechanical security device for elevators used between two levels
12/1998
12/30/1998WO1998058869A1 A safety system for detecting small objects approaching closing doors
12/30/1998WO1998058868A1 Control of a safety detection system for sliding doors
12/30/1998WO1998058867A1 Assembly of a safety detection system for sliding doors
12/30/1998CN1041398C Elevator cab door drive system
12/29/1998US5852897 Door drive
12/16/1998EP0884265A1 Indicating device for elevators
12/09/1998EP0881984A1 An elevator interlocking mechanism
12/09/1998CN1201011A Control device for elevator
12/02/1998CN1040967C Method and apparatus for controlling elevator
11/1998
11/25/1998CN1199704A Elevator door control apparatus
11/24/1998US5841083 Blocked door detection for an elevator system
11/24/1998US5841082 Secondary guidance system for linear induction motors driving elevator car doors
11/24/1998US5839543 Elevator door control mechanism
11/19/1998WO1998051605A1 Elevator door interlock
11/17/1998US5836424 Multiple level building with elevator hoistway seal structure
10/1998
10/28/1998EP0873963A1 Linear drive for a transportation device
10/15/1998DE19714798A1 Safety device for lifts, switching off light barrier of lift-cage-door
10/14/1998CN1196028A Arrangement in opening and closing of automatic elevator door, and door coupler
10/13/1998US5821478 Generation of an elevator door close warning
10/13/1998US5819878 Pretensioning system for synchronization and positioning system
10/13/1998US5819877 Elevator evacuation deterrent device
10/06/1998US5817993 Monitoring of elevator door reversal data
09/1998
09/30/1998CN2292777Y Elevator two-fold door rail structure device
09/29/1998US5813498 Elevator door system having variable opening/closing width
09/15/1998US5808246 Triac drive for three-phase line-powered linear induction motor elevator door operator
09/09/1998EP0862810A2 Drive unit for an electric door
09/09/1998CN2290583Y Explosion-proof soor automatic gear of explosion-proof elevator
09/08/1998US5804779 Method for generating and scaling velocity profiles for elevator car doors
08/1998
08/26/1998CN1191204A Pretensioning system for synchronization and positioning system
08/25/1998US5797471 Linear door drive operator
08/18/1998US5794746 Door sill arrangement in an elevator car
08/18/1998US5794745 Finger guard for a door of an elevator
08/05/1998CN1189714A 直线电机 Linear Motor
07/1998
07/29/1998CN1188738A Elevator door apparatus and installation method thereof
07/28/1998US5785153 Synchronizing elevator arrival at a level of a building
07/21/1998US5783784 Differential reflectometery for position reference in an elevator system
07/15/1998CN1187454A Method for generating velocity profiles for elevator car doors
07/14/1998US5780788 Special emergency service control arrangement for elevator car
07/14/1998US5780787 Monitoring of manual elevator door systems
07/14/1998CA2121826C System for forming the jambs for the landing doors of an elevator
07/07/1998CA2097364C Traffic-controlled system for operating elevator doors
07/01/1998EP0850189A1 Procedure for moving the landing door of an elevator, and a door coupler
07/01/1998EP0850188A1 Arrangement in the opening and closing of automatic elevator doors, and a door coupler
07/01/1998CN2285272Y Interlocking improved structure for elevator door one side open three-piece type hanging cage
06/1998
06/24/1998EP0849210A1 Blocked door detection for an elevator system
06/24/1998CN1185411A Method for generating and proportionally reducing and enlarging speed curve of lift-cabin door
06/24/1998CN1185410A High-performance linear induction motor driven door-operator
06/24/1998CN1185409A Secondary-stage guiding system for lift-cabin door driven by linear induction motor
06/24/1998CN1185408A Device for testing hindered lift-cabin door of elevator system
06/17/1998CN1184771A Flexible mounting of motor secondary in linear induction motor for driving elevator car doors
06/17/1998CN1184770A Secondary positioning system for elevator car doors
06/17/1998CN1184769A Monitoring of elevator door performance
06/17/1998CN1184768A Light barrier for reopening elevator doors
06/03/1998EP0845433A1 Monitoring of elevator door reversal data
06/03/1998EP0844977A1 Elevator door restrictor
06/03/1998CN1183670A System for optimization of magnetizing current in linear induction motors
06/03/1998CN1183374A Monitoring of elevator door reversal data
06/03/1998CN1183373A Positioning and synchronization system for elevator car doors
06/03/1998CN1183372A Aligning opening elevator car door device
06/02/1998US5760350 Monitoring of elevator door performance
05/1998
05/28/1998WO1998022381A1 Elevator hoistway door seal structure and drainage system for a multiple level building
05/28/1998DE19746776A1 Movable mounting for lift door on slide rail
05/27/1998EP0844545A2 A method for generating and scaling velocity profiles for elevator car doors
05/27/1998EP0844544A2 A method for generating velocity profiles for elevator car doors
05/27/1998EP0844207A1 Generation of an elevator door close warning
05/26/1998US5756946 Flexible mounting of a motor secondary in a linear induction motor for driving elevator car doors
05/20/1998EP0842887A2 Differential reflectometry for position reference in an elevator system
05/20/1998CN2281977Y Alining type lift carriage opening device
05/20/1998CN1182045A Multi-functional system housing for elevator car door operating system
05/20/1998CN1182044A Brake system for elevator car doors
05/20/1998CN1182043A Elevator car door system
05/13/1998EP0841293A1 Optimization of magnetizing current in linear induction motors
05/13/1998EP0841292A1 Positioning and synchronization system for elevator car doors
05/13/1998EP0841291A1 Secondary positioning system for elevator car door
05/13/1998EP0841290A1 Linear induction motor for driving elevator car doors
05/13/1998EP0841289A1 Belt pretensioning of an elevator car door synchronization and positioning system
05/13/1998EP0841288A1 Housing for elevator car door operating system
05/13/1998EP0841287A1 Secondary guidance system for linear induction motor
05/13/1998EP0841286A1 Linear induction motor door operator
05/13/1998EP0841285A1 Elevator car door system
05/13/1998EP0841284A1 Brake system for elevator car doors
05/07/1998WO1998018710A1 Safety device for elevator door
05/06/1998EP0839755A2 Device for locking an elevator car door
05/06/1998EP0839754A1 Monitoring of manual elevator door system
05/06/1998EP0839753A1 Device for opening and closing a car door and a hatchway door of an elevator
05/06/1998CN2280704Y Electric dangerous-fault protector for elevator
04/1998
04/29/1998EP0838570A2 Device for slidingly supporting elevator door leaves
04/29/1998EP0838426A2 Door leaf, especially for elevators
04/29/1998EP0838425A1 Emergency unlocking device for elevator doors
04/29/1998EP0838424A1 Monitoring of elevator door performance
04/25/1998CA2214382A1 Monitoring of elevator door performance
04/21/1998US5740888 Arrangement in an opening in the wall of an elevator shaft and instrument panel
04/16/1998WO1998015486A1 Light duty elevator door operator
04/09/1998WO1998014395A1 Operating system for lift doors
04/09/1998CA2267428A1 Operating system for lift doors
04/07/1998US5736693 Elevator door drive using dual secondary linear induction motor
03/1998
03/31/1998US5732797 Safety release device operating in a linear belt transmission for automatically-opening lift and elevator gates
03/31/1998US5732796 For limiting movement of the doors of an elevator car
03/25/1998CN1176932A Synchronizing elevator arrival at level of building
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