| 摘要 |
A corner retainer for securing and maintaining bed covers on the mattress of a bed formed by first, second and third planar portions which intersect each other at substantially right angles and which meet at a point to form a trihedral corner. The corner retainer is positionable at the corner of the mattress and when bed covers are placed thereover wedge the bed covers between the retainer and a surrounding portion of the bed.
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