| 摘要 |
Provided is a chair comprising: a support platform; a central support column attached to the support platform and orthogonal thereto; a reciprocating gear integral to the support column, the gear having coupled thereto a first axle extending upwards and a second axle extending downwards; an arm attached to the second axle; and a seat attached to the first axle, wherein when the first axle is rotated about its central axis in one direction the gear reciprocates that motion so that the second axle rotates about its central axis in the reverse direction. Generally, an appliance such as a mirror will be attached to the arm, thereby providing a chair that allows a user to sit first in the chair with the appliance positioned behind the user and then rotate the seat of the chair while the appliance counter-rotates until it is in a useful position towards the front of the user.
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