Invention Application
- Patent Title: SEAT HEIGHT CONTROL SYSTEM
- Patent Title (中): 座椅高度控制系统
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Application No.: US11871522Application Date: 2007-10-12
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Publication No.: US20090096268A1Publication Date: 2009-04-16
- Inventor: Charles Stephens , John Michael Morris
- Applicant: Charles Stephens , John Michael Morris
- Applicant Address: US WA Auburn
- Assignee: GT DEVELOPMENT CORPORATION
- Current Assignee: GT DEVELOPMENT CORPORATION
- Current Assignee Address: US WA Auburn
- Main IPC: B60N2/16
- IPC: B60N2/16 ; F16K11/00

Abstract:
The present invention relates to a leveling valve including a first port, a second port, a third port, a valve, and a clutch. The clutch is provided with an engaged position and a disengaged position. At least a portion of the clutch may move relative to the valve when the clutch is in the disengaged position. The clutch moves the valve when the clutch is in the engaged position. The valve is movable between a first position, a second position, and a third position. When the valve is in the first position, the valve blocks a first pathway, which extends from the first port, from connecting with a second pathway, which extends from the second port. When the valve is in the second position, the valve allows the first pathway to connect with the second pathway. When the valve is in the third position, the valve allows the second pathway to connect with a third pathway, which extends from the third port.
Public/Granted literature
- US08074684B2 Seat height control system Public/Granted day:2011-12-13
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