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Class Information
Number: 187/336
Name: Elevator, industrial lift truck, or stationary lift for vehicle > With closure means for shaft opening through landing
Description: Subject matter provided with repositionable means for covering the passageway formed through the landing* by the elevator shaft*.

Sub-classes under this class:

Class Number Class Name Patents
187/342 Including closure bodily carried along shaft by load support 2
187/337 Including pivoted closure 3
187/340 Including transversely sliding closure 10

Patents under this class:

Patent Number Title Of Patent Date Issued
8418814 Lifting system Apr. 16, 2013
7575098 Attic lift system and method Aug. 18, 2009
7537091 Magnetic elevator door mover May. 26, 2009
7506727 Door with sliding door leaf and with guide means Mar. 24, 2009
7445089 Sealing device with magnetically movable door seal for a closable door leaf of an elevator installation Nov. 4, 2008
7325656 Elevator installation with device for noise reduction Feb. 5, 2008
7152713 Door track for an elevator door system Dec. 26, 2006
7140471 Elevator shaft closure and method of fulfilling fire protection requirements of an elevator shaft closure and of mounting the same Nov. 28, 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
6719100 Interfloor vertical transport and horizontal closure system Apr. 13, 2004
6516570 Elevator hoistway Feb. 11, 2003
6131702 Home platform lift for attached garages Oct. 17, 2000
5881844 Secondary positioning system for elevator car doors Mar. 16, 1999
5740888 Arrangement in an opening in the wall of an elevator shaft and instrument panel Apr. 21, 1998
5669465 Elevator hoistway door bolt lock Sep. 23, 1997
5535852 Lift apparatus Jul. 16, 1996
5454447 Elevator hoistway door bolt lock Oct. 3, 1995
5445244 System for forming the jambs for the landing doors of an elevator Aug. 29, 1995
5407029 Elevator landing Apr. 18, 1995
5377784 Pass door fire lintel Jan. 3, 1995
5373916 Closure member for an elevator shaft Dec. 20, 1994
4487293 Elevator/hatch controller platform leveling logic with safety features Dec. 11, 1984

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