Patents
Patents for B66B 5 - Applications of checking, fault-correcting or safety devices in elevators (12,501)
11/1990
11/20/1990US4971178 Elevator system with independent limiting of a speed pattern in terminal zones
11/15/1990DE3915304A1 Safety device for lift - has third chain connecting lift to balance weight to take the load if driving chain breaks
11/07/1990EP0396490A1 Mechanism of removing an elevator cabin in case of a cutting off of the supply of the electricity
10/1990
10/24/1990CN2064355U Droping-proof system of hoisting machine
10/23/1990CA1275517C Elevator system adaptive time-based block operation
10/18/1990WO1990011958A1 Device and process for determining physical characteristics of a lift
10/10/1990EP0391174A1 Arrangement and method to detect physical parameters of an elevator
10/10/1990EP0390972A1 Arrangement and method to detect physical parameters of an elevator
10/10/1990CN1009914B Control apparatus of elevator
10/03/1990CN1045749A Controlling system in elevator
09/1990
09/25/1990US4958707 Elevator control system
09/05/1990EP0385180A2 Safety brake for a lift or the like
08/1990
08/28/1990US4951786 Load distribution detecting system for elevator
08/15/1990CN1009186B Controlling apparatus of alternating current elevator
08/08/1990EP0380802A1 Elevator system with independent limiting of a speed pattern in terminal zones
07/1990
07/31/1990US4944369 Safety device for elevator
07/03/1990US4939679 Recalibrating an elevator load measuring system
06/1990
06/28/1990DE3941948A1 Conveying machine winch drum drive - using overload detector to provide switching to braking mode until slip-ring rotor is halted
06/27/1990CN1043289A Braking device for elevator winding machine and elevator using the braking device
06/26/1990US4936419 Elevator diagnostic display system
06/26/1990US4936136 Method for checking the friction between the traction sheeve and the suspension ropes of an elevator
06/13/1990EP0372575A2 Encoder installing structure
06/13/1990CN1043025A Remote monitor and diagnosis apparatus for elevator or the like
06/07/1990DE3911513C1 Coupling
06/06/1990CN1008270B Method and device for probing position of cages in hydraulic elevator
06/05/1990US4930604 Elevator diagnostic monitoring apparatus
05/1990
05/30/1990CN2057656U Emergency device for elevator
05/30/1990CN1042519A Elevator apparatus
05/29/1990US4928796 Lift
05/23/1990CN2057415U Safety device for elevator cage
05/22/1990US4928021 Elevator control apparatus
05/22/1990CA1269464A1 System for the remote management of lift installations
05/09/1990EP0367388A1 Elevator diagnostic monitoring apparatus
05/08/1990US4923055 Safety mechanism for preventing unintended motion in traction elevators
05/02/1990EP0366526A1 Safety brake installation
05/01/1990CA1268450A1 Emergency lighting for elevator cab
04/1990
04/25/1990CN1007723B Group control apparatus for elevator
04/25/1990CA2001319A1 Safety breaking device
04/24/1990CA1268126A1 Elevator brake
04/19/1990DE3934492A1 Emergency braking device for lift cage - uses wedges cooperating with guide rail controlled to maintain uniform braking
04/18/1990CN1007614B Emergency braking device for elevators
04/18/1990CN1007613B Elevator brake and safety pincers
04/11/1990CN2055818U Weight-loss elastic force eccentric wheel type drop-proof automatic brake for hanging basket
03/1990
03/28/1990CN1007342B Remote management system of electric lift
03/21/1990CN2054784U Electric elevator of automatically leveling off to the landing of stairs when power failure on half way
03/21/1990CN1007235B Controlling apparatus of elevator
03/07/1990CN1040181A Rescuing apparatus in elevators
03/07/1990CN1040180A Signal transmission apparatus in elevators
03/07/1990CN1040179A Testing apparatus in elevators
02/1990
02/28/1990CN2053623U Automatic safety device of elevator
02/27/1990CA1266240A1 Safety stop for stopping non-level descent of vertically movable assembly
02/20/1990US4902954 Alternating current motor control apparatus
02/14/1990EP0354772A2 Recalibrating an elevator load measuring system
02/07/1990CN2052402U Safety device for cages kick-up block
02/07/1990CN2052401U Air pressure flat floor device for the elevator
02/06/1990US4898263 Elevator self-diagnostic control system
01/1990
01/24/1990CN2051622U 悬挂式安全器 Hanging safety device
01/16/1990US4894765 Bi-directional d.c./d.c. converter compatible with an inverter bridge
01/10/1990CN1006376B Spare signal means for indicating lift position
12/1989
12/27/1989CN2050032U Safety stop device for lifting container
12/27/1989CN1006217B Device for indicating elevator remove
12/20/1989CN1038068A Electric lift with self-adapting floor level function when power is off
12/13/1989EP0346195A1 Electromagnetic brake with clamping jaws
12/13/1989CN1006055B Alternating current elevator automatic storey seavching during power supply interruption
11/1989
11/29/1989CN1037488A Elevator control apparatus
11/29/1989CN1037487A Elevator control system
11/22/1989CN2048062U Rope protecting device of elevator
11/15/1989CN1037124A Lifter controlling device
11/14/1989CA1262875A1 Elevator brake and safety
11/14/1989CA1262873A1 Elevator system
11/01/1989CN1005624B Elevator rescue apparatus during stoppage of power supply
10/1989
10/25/1989EP0338613A2 A catch apparatus for a rack lift
10/17/1989US4874063 Portable elevator traffic pattern monitoring system
10/11/1989CN2045730U Simple goods ladder safety device for stop
10/04/1989EP0335412A1 Elevator control system
09/1989
09/26/1989CA1260637A1 Counteracting elevator car oscillation
09/19/1989US4867460 Hydraulic jack seal assembly
09/19/1989CA1259719A1 Method of controlling an elevator
09/13/1989CN2044249U Emergency device for lift on temp. electricity cut-off
08/1989
08/30/1989CN2043615U Safety brake for gantry elevating platform
08/29/1989US4861328 Mandrel for forming a bottom in a packaging container
08/16/1989CN2042838U Auto-protector for terminal exceed speed limit of elevator
08/15/1989US4856623 Overspeed brake
07/1989
07/25/1989US4851982 Apparatus for controlling an A.C. powered elevator
07/19/1989CN2041309U Automatic alarm for elevator malfunction
07/11/1989US4846310 Signal transmission apparatus for elevator
07/11/1989CA1257418A1 Method of monitoring an elevator system
06/1989
06/13/1989US4839631 Monitor control apparatus
05/1989
05/23/1989US4833380 Hoist motor protection
05/17/1989CN1032923A Apparatus using frictional safety cord to prevent fast drop
05/10/1989EP0314812A1 Alternating current motor control system with emergency control.
05/09/1989CA1253983A1 Methods of servicing an elevator system
05/03/1989CN2036939U Safety device for elevator
04/1989
04/25/1989US4823914 Status line monitoring system and method of using same
04/19/1989CN2036165U Household simple elevator
04/12/1989CN2035744U Magnetic detecting speed anto-reducing position switch
04/11/1989US4819765 Arrester device for elevators
04/11/1989CA1252582A1 Backup position signaling in an elevator
04/04/1989US4817761 Control apparatus for elevator
04/04/1989CA1252235A1 Call registration and acknowledgement system for an elevator and method of testing such system