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Class Information
Number: 187/314
Name: Elevator, industrial lift truck, or stationary lift for vehicle > With barrier for regulating access to load support > Operation variable for emergency, maintenance, or abnormal condition
Description: Subject matter provided with means which changes, or allows changes to, the normal functioning of the path blocking means when (a) a serious crisis exists which could cause injury (e.g., fire, broken support cable*), (b) repair or cleaning of a component of the elevator is needed, or (c) an unusual situation occurs (e.g., landing* and car not correctly aligned).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416056 |
Emergency elevator system |
Aug. 26, 2008 |
| 7398861 |
Elevator monitoring unit and procedure for the maintenance of an elevator unit |
Jul. 15, 2008 |
| 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 |
May. 13, 2008 |
| 7353916 |
Elevator supervision |
Apr. 8, 2008 |
| 7350625 |
Shaft door monitoring system for an elevator installation |
Apr. 1, 2008 |
| 7325657 |
Elevator installation and monitoring system for an elevator installation |
Feb. 5, 2008 |
| 7252180 |
Situation-dependent reaction in the case of a fault in the region of a door of an elevator system |
Aug. 7, 2007 |
| 7237655 |
Elevator system and method for preventing unauthorized hoistway access |
Jul. 3, 2007 |
| 7178635 |
Elevator control having independent safety circuits |
Feb. 20, 2007 |
| 7143870 |
Elevator hall door and door hanger apparatus |
Dec. 5, 2006 |
| 7114594 |
Door frame of a shaft door with a control arrangement for an elevator shaft and method for access to a control unit |
Oct. 3, 2006 |
| 7051842 |
Emergency moving device of an elevator |
May. 30, 2006 |
| 7032714 |
Automatic return mechanism for elevator escape device |
Apr. 25, 2006 |
| 6988592 |
Door and door hanger device at elevator landing |
Jan. 24, 2006 |
| 6966409 |
Backup power device for elevator |
Nov. 22, 2005 |
| 6942067 |
Portable emergency drive for an elevator |
Sep. 13, 2005 |
| 6902040 |
Elevator car |
Jun. 7, 2005 |
| 6892862 |
Elevator car with a driving pulley driving machine integrated therein |
May. 17, 2005 |
| 6880678 |
Device for carrying out work in an elevator shaft |
Apr. 19, 2005 |
| 6863160 |
Service barrier |
Mar. 8, 2005 |
| 6851521 |
Emergency unlocking device at shaft doors of elevators |
Feb. 8, 2005 |
| 6786305 |
Double-deck elevator |
Sep. 7, 2004 |
| 6739431 |
Elevator escape device |
May. 25, 2004 |
| 6615953 |
Construction hoist with optical monitoring device |
Sep. 9, 2003 |
| 6481534 |
Apparatus for maintaining adequate overhead space for car top mechanics in elevator systems |
Nov. 19, 2002 |
| 6464043 |
Elevator emergency escape device |
Oct. 15, 2002 |
| 6374953 |
Vertical plunger brake control device |
Apr. 23, 2002 |
| 6230845 |
Moveable control panel for elevators |
May. 15, 2001 |
| 6079524 |
Automatic stop mechanism for a rolling door |
Jun. 27, 2000 |
| 5964319 |
Remote-operated elevator door safety control |
Oct. 12, 1999 |
| 5899302 |
Elevator door interlock |
May. 4, 1999 |
| 5819877 |
Elevator evacuation deterrent device |
Oct. 13, 1998 |
| 5732797 |
Safety release device operating in a linear belt transmission for automatically-opening lift and elevator gates |
Mar. 31, 1998 |
| 5732796 |
Elevator car evacuation deterrent device |
Mar. 31, 1998 |
| 5671829 |
Brake system for elevator car doors |
Sep. 30, 1997 |
| 5655627 |
Elevator door restrictor |
Aug. 12, 1997 |
| 5196656 |
Elevator door control apparatus |
Mar. 23, 1993 |
| 5144101 |
Control apparatus for elevator doors using velocity limiting circuits |
Sep. 1, 1992 |
| 5002158 |
Elevator safety |
Mar. 26, 1991 |
| 4984658 |
Car gate reversing edge |
Jan. 15, 1991 |
| 4947964 |
Door drive apparatus with locking mechanism for elevators |
Aug. 14, 1990 |
| 4926974 |
Elevator car with improved car door clutch |
May. 22, 1990 |
| 4599876 |
Control mechanisms suitable for actuating power-operated locks |
Jul. 15, 1986 |
| 4529065 |
Elevator system |
Jul. 16, 1985 |
| 4512443 |
Lift door control apparatus |
Apr. 23, 1985 |
| 4491200 |
Locking mechanism for an elevator car door |
Jan. 1, 1985 |
| 4469200 |
Releasable hoistway door safety interlock |
Sep. 4, 1984 |
| 4438831 |
Elevator system |
Mar. 27, 1984 |
| 4423799 |
Vehicle door lock for limiting door opening to specified vehicle positions |
Jan. 3, 1984 |
| 4364454 |
Vehicle door lock for limiting door opening to specified vehicle positions |
Dec. 21, 1982 |
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