Patent ID: 9642473
Date: 2017-05-09
CPC Classifications: A47D

Claim:
1. A rocking bed comprising: a pivot unit; a lower frame connected with the pivot unit; a connecting unit connected with the lower frame; and an upper frame connected with the pivot unit and the connecting unit; wherein: the pivot unit includes: an upper plate; a lower plate pivotally connected with the upper plate by a pivot portion; an upper joint pivotally connected with the upper plate and provided with two upper supports; and a lower joint pivotally connected with the lower plate and provided with two lower supports; the upper plate has an outer periphery provided with two upper stop blocks; the lower plate has an outer periphery provided with two lower stop blocks; the upper joint has an outer periphery provided with two upper stop pieces that are capable of abutting the upper stop blocks of the upper plate; the lower joint has an outer periphery provided with two lower stop pieces that are capable of abutting the lower stop blocks of the lower plate; the lower frame includes two substantially U-shaped bottom bars each having a first end connected with one of the two lower supports of the lower joint; each of the bottom bars has a mediate position provided with an arcuate portion which is provided with two stands; one of the two stands of each of the bottom bars has a bottom pivotally connected with a limit plate; the connecting unit includes: a lower articulation provided with two lower supports each connected with a second end of one of the bottom bars; a base pivotally connected with the lower articulation and provided with a mounting recess; an elbow pipe inserted into the mounting recess and provided with a plurality of positioning holes; a movable member mounted on the elbow pipe; an upper articulation pivotally connected with the movable member and provided with two upper supports; a board mounted in the movable member; a positioning block movably mounted in the movable member and provided with two ramps; a projection formed on the positioning block and inserted into one of the positioning holes of the elbow pipe; an elastomer biased between the board and the positioning block; and two press buttons mounted on the movable member and each provided with a bevel face abutting one of the two ramps of the positioning block; the base has an outer periphery provided with two lower stop blocks; the movable member has a through hole mounted on the elbow pipe; the movable member has an outer periphery provided with two upper stop blocks; the lower articulation has an outer periphery provided with two lower stop pieces that are capable of abutting the lower stop blocks of the base; the upper articulation has an outer periphery provided with two upper stop pieces that are capable of abutting the upper stop blocks of the movable member; the upper frame includes two substantially U-shaped top bars each having a first end connected with one of the two upper supports of the upper joint and a second end connected with one of the two upper supports of the upper articulation; and a bed part is mounted on the top bars of the upper frame.