Patent ID: 7789207

Claim:
An improved stabilizer for a vehicle of the type having a (a) housing with a generally sector-shaped chamber having a first side wall, a second side wall, a peripheral wall, a bottom, and a top, (b) a wiper comprising a rotor and, extending outward from the rotor, an attached paddle rotatably mounted in the chamber of the housing and having dimensions such that the wiper sealingly moves past the top, the bottom, and peripheral wall of the housing, the wiper also containing a bypass channel which is in fluid communication with the chamber on both sides of the paddle, (c) a valve in the bypass channel, (d) a means for connecting the housing to a steering mechanism of the vehicle, and (e) a means for connecting the wiper to an arm, wherein the improvement comprises: a knob connected to the valve and being above the housing, said knob having an outer circular edge and a top and having the top bevel upward near the outer circular edge of said knob with indicators of position being placed on the beveled portion of the top of the knob, with the amount of such beveling being selected such that only one indicator is clearly visible to the operator of a vehicle on which the stabilizer has been installed.