| 摘要 |
Expandable frames for lifting bed covers are provided. A representative frame includes: a movable frame segment; and a support frame segment operative to attach the support frame segment to a bed and support the movable frame segment; the movable frame segment being movable with respect to the support frame segment between a contracted position, which corresponds to lowering of bed covers draped across the movable frame segment, and an expanded position, which corresponds to raising of the bed covers.
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