Patent ID: 6027179
Filing Date: 2000-02-22
Classification: B60T,B60W,F15B,F16H

Abstract:
Apparatus comprising:a hydraulic motor;a variable capacity type hydraulic pump for supplying pressurized oil to drive said hydraulic motor;a servo valve for increasing or decreasing discharge of pressurized oil from said variable capacity type hydraulic pump so as to change a rotational speed of said hydraulic motor;a servo valve input lever, which is attached to said servo valve;a travel operating lever;an intermediate lever, which is connected to said travel operating lever via a wire cable; andan interlock device which is connected to said intermediate lever and to said servo valve input lever, said interlock device having an engaged position and a disengaged position, whereby in said engaged position said interlock device causes said servo valve input lever to operate in accordance with an operating amount of said travel operating lever, and in said disengaged position said interlock device disconnects said servo valve input lever from said intermediate lever.