Patent ID: 6646891
Filing Date: 2003-11-11
Classification: B60N,B62D,E02F

Abstract:
An apparatus for adjusting a height of control boxes, comprising:a base plate mounted on the bottom of a driver's seat; a pair of upper arms and a pair of lower arms, the upper side of one upper arm being hinged to the upper side of another upper arm by a first pin, the lower side of one lower arm being hinged to the lower side of another lower arm by a second pin, and the lower sides of the pair of upper arms being hinged to the upper sides of the pair of lower arms by adjustment pins respectively; an adjustment shaft screw-coupled to at least one of the adjustment pins and having spirals adjusting a distance between the adjustment pins when rotating; and a first rotary arm one end of which is vertically fixed to one end of a rotation bar rotatably supported by the base plate and the other end of which is coupled to one of the first and second pins, a pin of the first and second pins which is not coupled being fixed to the based plate and the first rotary arm being coupled to one control box.