| 摘要 |
An arm resting device contains a resting element, an adjustment element, a track element, and a connection element. The adjustment element contains a first piece and a second piece. The track element has an elongated through slot and the connection element has a trough with two sectorial portions. The track element is fixedly attached to the resting element while the adjustment element is fixedly attached to the connection element. The advancement of the arm resting device is achieved by the relative sliding movement between the first piece of the adjustment element and the track element. The orientation of the arm resting device is adjusted by turning the second piece of the adjustment element within the confinement of the trough of the connection element.
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