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    • 3. 发明授权
    • Power-assisted movable rack
    • 动力辅助移动架
    • US07032762B2
    • 2006-04-25
    • US10399787
    • 2001-08-27
    • Kunio MiyazakiTomoyuki KawanoKazuya TokunagaIchiro IkenagaToshihiro Higashi
    • Kunio MiyazakiTomoyuki KawanoKazuya TokunagaIchiro IkenagaToshihiro Higashi
    • E05D15/22
    • A47B53/02
    • The invention provides a relatively simple and inexpensive power-assisted movable rack system, movement of which is controlled by an operator. The movable rack system comprises a plurality of movable racks, each of which includes a plurality of wheels, a DC motor turning forward or backward and reciprocating the movable rack, a pair of direction switches provided at opposite positions in moving directions of the movable rack, and an actuating circuit rotating the DC motor in one direction during the operation of one of the direction switches and rotating the DC motor in an opposite direction during the operation of the other direction switch. The DC motor applies dynamic braking force, so that movable racks can be stopped with a short braking distance.
    • 本发明提供了一种相对简单和便宜的动力辅助可移动支架系统,其运动由操作者控制。 可动齿条系统包括多个可移动齿条,每个可移动齿条包括多个车轮,直流电动机向前或向后转动并使可移动齿条往复运动;一对方向开关,设置在可移动齿条移动方向上的相对位置, 以及在一个方向开关的操作期间使DC电动机沿一个方向旋转并且在另一方向开关的操作期间使DC电动机沿相反方向旋转的致动电路。 直流电机施加动态制动力,使得可以在短的制动距离内停止可动齿条。