Patent attributes
The present invention provides a height adjuster for a seat of a vehicle capable of lowering equipment height in an accommodated state. A four-joint link mechanism 40a, 40b configuring the fourth layer are provided with a first arm 47 formed the first guide face 47d guiding a guide roller 35 formed on a third layer, a second arm 42 and a first reinforce member 43. The arms and the rear end of a first reinforce member is turnably pivoted to a first bearing 41 and the front end of a first reinforce member is turnably pivoted to a second bearing 48 by the shaft members 45 and 42h. Each link mechanism is lowered while depicting the trajectory that corresponds to the curve of the first guide face 47d and turning the front end. Because a first reinforce member 43 is provided. Although a portion at which the first guide face 47d of the first arm 47 is formed is smaller in thickness of a vertical direction than a portion at which the first guide face 47d is not formed. It is possible to compensate for insufficient strength of the first arm 47. Thus, the height of the height adjuster for a seat of a vehicle can be lowered.
