Patent ID: 7362307

Claim:
A joystick comprising: a base fixedly fastened to the body of a motion apparatus, said base having a top: a plurality of elastomeric members installed in the top of said base and equiangular spaced from one another, said elastomeric members each having a bottom side fastened to the top of said base and a top side; a motion member fixedly to said elastomeric members and supported on the top side of each said elastomeric member and fixedly connected to an operating member for synchronous motion with said operating member relative to said base; sensor means adapted to detect the direction and amount of movement of said motion member relative to said base and to output a signal indicative of the direction and amount of movement of said motion member; a control member axially movably coupled to said motion member and turnable relative to said motion member to adjust the distance between the lowest edge of said control member and the top of said base so as to further control the range within which said motion member is biasable relative to said base; and wherein said elastomeric members are cylindrical rubber members, each having a bottom screw rod respectively inserted through a mounting through hole at the head of said base and screwed up with a nut inside said base.