Class Information
Number: 187/282
Name: Elevator, industrial lift truck, or stationary lift for vehicle > Having specific load support drive-means or its control > Includes control for power source of drive-means > With specific electrical component > Actuated by load support contacting trip in shaft
Description: Control* in which the information input component has its operation induced by engagement with either (a) a device located along the shaft* and projecting thereinto when the input component of the control* travels with the load-underlying support surface or (b) the load-underlying support surface or structure attached thereto when the input component of the control is stationarily mounted, located along, and projects into the shaft*.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7287625 |
Forklift safety sensor and control system |
Oct. 30, 2007 |
| 6889799 |
Method for solving a multi-goal problem |
May. 10, 2005 |
| 6857506 |
Elevator control method based on energy consumption |
Feb. 22, 2005 |
| 6182798 |
Mobile lifting device for the disabled |
Feb. 6, 2001 |
| 5959272 |
Fail safe roller switch |
Sep. 28, 1999 |
| 5893433 |
Elevator car position detecting apparatus |
Apr. 13, 1999 |
| 5880417 |
Synchronous position correction apparatus for elevator |
Mar. 9, 1999 |
| 5862886 |
Pretorque to unload elevator car/floor locks before retraction |
Jan. 26, 1999 |
| 5864103 |
Limit switch apparatus for hydraulic elevators |
Jan. 26, 1999 |
| 5783784 |
Differential reflectometery for position reference in an elevator system |
Jul. 21, 1998 |
| 5773771 |
Apparatus for preventing unintended movement of elevator car |
Jun. 30, 1998 |
| 5693919 |
Evacuation system for elevators |
Dec. 2, 1997 |
| 5648645 |
Elevator excess speed detector with multiple light barrier |
Jul. 15, 1997 |
| 5637842 |
Elevator safety device |
Jun. 10, 1997 |
| 5288956 |
Self running type elevator system using linear motors |
Feb. 22, 1994 |
| 4127843 |
Position sensor device for elevator car |
Nov. 28, 1978 |
| 4069897 |
Elevator system |
Jan. 24, 1978 |
| 4067416 |
Elevator system |
Jan. 10, 1978 |
| 4043427 |
Stair elevator |
Aug. 23, 1977 |
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