| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide brake operating devices capable of being fabricated at low cost and assuring good easiness in handling and also a wide versatility. <P>SOLUTION: The brake operating devices 100 and 300 are equipped with a first 112 and a second operation lever 312 for operating brake devices 1 restricting the rotations of brake drums 3 individually. Each of the operation levers 112 and 312 is supported capable of being actuated within the motion range including the brake disengage mode in which the brake drums 3 are admitted to rotate in the regular and the reverse direction, the assist brake mode to restrict the reverse rotation of the brake drum 3, and the main brake mode to restrict the regular and reverse rotations of the brake drums 3, wherein the operation lever 112 (312) is energized in the direction of reaching the assist brake mode in the normal condition. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
