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Class Information
Number: 187/281
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 excessive load
Description: Control* in which the information input component has its operation induced by an increase in the weight of the load on the load-underlying support surface beyond the normal or acceptable limit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7264087 |
Control of a counterweightless elevator using total mass of the elevator |
Sep. 4, 2007 |
| 7117981 |
Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly |
Oct. 10, 2006 |
| 7021427 |
Lifting apparatus and method |
Apr. 4, 2006 |
| 7011184 |
Increasing traffic handling performance of an elevator system based upon load |
Mar. 14, 2006 |
| 6910553 |
Building elevator |
Jun. 28, 2005 |
| 6715587 |
Load carrying means for cable elevators with integrated load measuring equipment |
Apr. 6, 2004 |
| 6619434 |
Method and apparatus for increasing the traffic handling performance of an elevator system |
Sep. 16, 2003 |
| 5984052 |
Elevator with reduced counterweight |
Nov. 16, 1999 |
| 5852264 |
Method and appartus for the measurement of the load in an elevator |
Dec. 22, 1998 |
| 5780786 |
Control apparatus for use in an elevator |
Jul. 14, 1998 |
| 5490580 |
Automated selection of a load weight bypass threshold for an elevator system |
Feb. 13, 1996 |
| 5228537 |
Safety mechanism for a vertical reciprocating conveyor |
Jul. 20, 1993 |
| 5129485 |
Home elevator load control |
Jul. 14, 1992 |
| 4438830 |
Stairway with fail safe power lift for lading, the infirm, wheelchair patients, and the like |
Mar. 27, 1984 |
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