Document Type and Number:
Japanese Patent JPS5689754
Kind Code:
U
Abstract:
A pneumatic servo booster includes a housing, a flexible diaphragm partitioning the interior of the housing into front and rear chambers, a valve body slidably mounted in the housing and connected to the diaphragm, and a valve mechanism incorporated in the valve body and including a poppet valve cooperating with a valve seat formed on the valve body and with another valve seat formed on a plunger which is connected to an input rod and is slidably mounted in the valve body. A return movement restricting member restricts the return movement of the plunger with respect to the housing when the valve body returns to its return position.
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Application Number:
JP17313379U
Publication Date:
July 17, 1981
Filing Date:
December 14, 1979
Export Citation:
International Classes:
B60T13/57; B60T13/56; F15B3/00; (IPC1-7): B60T13/52