| 摘要 |
An anchoring device for use in a rock crevice is provided. The anchoring device is movable from a non-activated position to an activated position. The anchoring device comprises a first axle member and a first cam rotatable about the first axle member with the first cam having a first side surface, a first bottom surface, and a first contact surface, the first contact surface contactable with the first rock wall. A second axle member is provided in a spaced in a parallel configuration from the first axle member with a second cam rotatable about the second axle member. The second cam has a second side surface, a second bottom surface, and a second contact surface, the second contact surface contactable with the second rock wall, wherein in a non-activated position, the first axle member is closer to the first rock wall than the second axle member, the second axle member is closer to the second rock wall than the first axle member, and the first bottom surface of the first cam is free from overlap with the second bottom surface of the second cam.
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