| 摘要 |
An apparatus for applying a rocking motion to a bed foundation, or the like, which comprises a movable frame (2) supporting the foundation, first and second spaced apart guiding structures (3) located preferably under the frame. Each guiding structure having a pair of traveling surfaces (6,7) slanted downwardly toward the similar surfaces of the other guiding structure. Rollers (5) attached to the frame rest upon said traveling surfaces. An electrical motor (21) imparts to the movable frame, a reciprocal movement along and between said guiding structures.
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