Pumping device and height adjuster for vehicle seat
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United States of America Patent
Stats
-
Feb 7, 2012
Grant Date -
Jul 23, 2009
app pub date -
Feb 2, 2007
filing date -
Mar 24, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pumping device and a height adjuster for a vehicle seat are disclosed. The pumping device comprises a support plate; a cam receiver accommodated in the support plate; a brake cam received in the cam receiver to be integrally rotated with the shaft, and defining receiving spaces between the brake cam and the cam receiver; locking means received in each receiving space to allow and prevent rotation of the brake cam in the cam receiver; a control plate for applying the pushing force to the locking means; a bidirectional clutch coupled to the control plate if rotating force is applied and returned to a state of being decoupled from the control plate if the rotating force is not applied; a cover plate assembled with the support plate; a lever plate provided outside the cover plate; and elastic returning means for returning the lever plate to a predetermined reference position.
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Family
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