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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 187/335
Name: Elevator, industrial lift truck, or stationary lift for vehicle > With barrier for regulating access to load support > Including slideably mounted barrier on load support > With position lock therefor
Description: Subject matter provided with means having the sole function of restricting or preventing the movement of the path blocking means from a location where it either allows passage of the load or prevents passage of the load.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8710955 Automated gate system Apr. 29, 2014
7823699 Electromagnetically operated elevator door lock Nov. 2, 2010
7637356 Elevator system with safety device on elevator doors Dec. 29, 2009
7549516 Elevator door interlock Jun. 23, 2009
7445089 Sealing device with magnetically movable door seal for a closable door leaf of an elevator installation Nov. 4, 2008
7398862 Car door lock 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
7270218 Sealing device for elevator door Sep. 18, 2007
7264089 Swing lock mechanism Sep. 4, 2007
7252179 Elevator-door latching and opening device Aug. 7, 2007
7178638 Car door apparatus of elevator Feb. 20, 2007
7100745 Equipment at an elevator car for temporarily coupling a car door leaf with a shaft door leaf for actuation of a car door unlocking means Sep. 5, 2006
7097002 Elevator door drive device Aug. 29, 2006
6851521 Emergency unlocking device at shaft doors of elevators Feb. 8, 2005
6659514 Swinging elevator hatchway door interlock Dec. 9, 2003
6591946 Adjustable door restrictor cable for an elevator car Jul. 15, 2003
6446759 Door coupler and latch system for elevator car and landing doors Sep. 10, 2002
6382362 Optical monitoring system for hoistway door interlocks May. 7, 2002
6374952 Elevator door apparatus Apr. 23, 2002
6220396 Door restrictor apparatus for elevators Apr. 24, 2001
6209612 Locking device for a door system Apr. 3, 2001
6164417 Procedure for closing an elevator landing door, and a door coupler Dec. 26, 2000
6070700 Operating system for elevator doors Jun. 6, 2000
6021871 Apparatus for opening and closing a car door and a shaft door of an elevator installation Feb. 8, 2000
5950767 Optical door lock Sep. 14, 1999
5918704 Car door lock Jul. 6, 1999
5918705 Building elevator door restrictor Jul. 6, 1999
5918706 Hold closed feature for elevator car doors Jul. 6, 1999
5899302 Elevator door interlock May. 4, 1999
5896953 Elevator door restrictor Apr. 27, 1999
5894911 Car door locking system Apr. 20, 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
5730254 Elevator door restraint device Mar. 24, 1998
5690189 Apparatus and method for locking and unlocking the door of an elevator car Nov. 25, 1997
5669465 Elevator hoistway door bolt lock Sep. 23, 1997
5655627 Elevator door restrictor Aug. 12, 1997
5636714 Bi-parting elevator door actuator apparatus Jun. 10, 1997
5386886 Elevator door lock mechanism Feb. 7, 1995
5377785 Door closing system Jan. 3, 1995
5152374 Elevator system for a building Oct. 6, 1992
5139112 Elevator car door lock Aug. 18, 1992
5129486 Elevator door lock Jul. 14, 1992
4934488 Door lock for an elevator car Jun. 19, 1990
4926975 Elevator car with improved door lock May. 22, 1990
4529065 Elevator system Jul. 16, 1985
4491200 Locking mechanism for an elevator car door Jan. 1, 1985
4423799 Vehicle door lock for limiting door opening to specified vehicle positions Jan. 3, 1984
4313525 Car door safety interlock Feb. 2, 1982
4252218 Device and method for unlocking elevator doors Feb. 24, 1981

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