Patent ID: 7819039
Filing Date: 2010-10-26
Classification: B63H,Y10T

Abstract:
1. A steering apparatus comprising: a cylindrical fixed frame; a rotary plate rotatably set inside the fixed frame; a plurality of mounts arranged on the rotary plate and having rolling elements and elastic elements mounted thereon; the elastic elements mounted on the mounts and applying elasticity to the rolling elements to press the rolling elements against the inner face of the fixed frame; a rotary cover including a movable part having movable pieces capable of pressing the rolling elements when a steering shaft is operated and covering the top of the rotary plate to prevent the rolling elements and the elastic elements from being separated from the mounts; the steering shaft penetrating the fixed frame, the rotary plate and the rotary cover; and elastic pads respectively attached to portions of the movable pieces, which come into contact with the rolling elements, to eliminate a gap between each movable piece and each rolling element.