US Patent 7246687 Elevator car with eccentric load compensation system
Patent 7246687 was granted and assigned to Inventio on July, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Roger Martinelli0
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Patent abstract
A weight compensation system and a method of operating the system for compensating eccentric loading of an elevator car vertically movable in an elevator shaft. The elevator car has spring-mounted rollers engaging guide rails and the system includes sensors detecting a position of the elevator car relative to the guide rails. A control unit is connected to the sensors and a hydraulic compensating system for controlling movement of liquid to compensate for the eccentric loading of the elevator car.
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US Patent 07246687 Elevator car with eccentric load compensation system US Patent 7246687 Elevator car with eccentric load compensation system
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Patent Number
07246687
Patent Number
7246687
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US Patent 07246687 Elevator car with eccentric load compensation system
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Is a
Current assignee
Patent jurisdiction
Patent number
07246687
Date of patent
July 24, 2007
Patent application number
10745071
Date Filed
December 22, 2003
Patent primary examiner
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