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US Patent 7874396 Multiple function control system for work machine

Patent 7874396 was granted and assigned to The Charles Machine Works Inc. on January, 2011 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
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Patent
Patent

Patent attributes

Current Assignee
The Charles Machine Works Inc.
The Charles Machine Works Inc.
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7874396
Date of Patent
January 25, 2011
Patent Application Number
12624270
Date Filed
November 23, 2009
Patent Citations Received
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US Patent 12000107 Loader with improved arm path
3
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US Patent 11885095 Loader with improved arm path
4
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US Patent 12123161 Loader with improved arm path
5
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US Patent 12104348 Loader with improved arm path
6
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US Patent 11692328 Compact utility loader
7
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US Patent 11788250 Loader with improved arm path
Patent Primary Examiner
Paul N Dickson
Paul N Dickson
Patent abstract

A control system for a work machine. The control system allows an operator to selectively maintain control of a ground drive, a work tool, or both the ground drive and the work tool. The system provides a foot pedal movable between multiple positions. The foot pedal allows an operator to selectively hold the position of one or both of the ground drive control and work tool control. When the foot pedal is in a first position, the work tool control and ground drive control are not affected. When the foot pedal is in a second position, the position of the work tool control is maintained, while the ground drive control is not affected. When the foot pedal is in a third position, the position of the work tool control is maintained and the position of the ground drive control is maintained. A work tool control lock is used to prevent the work tool control from engaging when the foot pedal is in the second position or the third position.

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