| 摘要 |
A system ( 22 ) for orienting an object ( 28 ) relative to a base ( 24 ) to which the object ( 28 ) is rotatably coupled includes a braking surface ( 46 ) in fixed relation with the base ( 24 ). A brake ( 48 ) is engaged with the braking surface ( 46 ). A linear actuator ( 82 ) has a body ( 86 ) in fixed attachment with the object ( 28 ) via a strap member ( 84 ) and a coupling element ( 80 ). The linear actuator ( 82 ) also includes a rod ( 88 ) in fixed communication with the brake ( 48 ) through an elongate member ( 90 ) that flexes in response to a braking force ( 66 ) imposed on the braking surface ( 46 ) by the brake ( 48 ). The linear actuator is activated to generate linear motion ( 120 ) of the rod ( 88 ). The linear motion ( 120 ) of the rod ( 88 ) causes rotational motion ( 122 ) of the object ( 28 ). The strap member ( 84 ) is enabled to flex as the object ( 28 ) rotates.
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