| 摘要 |
An article of furniture including an adjustable back which is held in place by at least one support member and a seat member, a first end portion of the support member and a second end portion of the support member being adapted for mounting to the seat member and to the back, each support member being invertible in a manner such that the back is held in either a first position or a second position, the effective depth of the seat member as defined by the distance from a front edge to a rear edge proximate the back being greatest when the back is in the second position.
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