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US 12,544,299 B2Granted
Massage chair
AssigneeRuiduo (Shanghai) Intelligent Technology Co., Ltd.
InventorsBing Zhao, Haitang Lai, Cheng Fan, Fawen Luo
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AssigneeRuiduo (Shanghai) Intelligent Technology Co., Ltd.
InventorsBing Zhao, Haitang Lai, Cheng Fan, Fawen Luo
Estimating the term…
A massage chair relates to the technical field of passive exercise equipment. It includes a seat and a driving device arranged under the seat. The driving device includes a base plate, a connecting frame, an up-and-down vibration device and a four-bar linkage device. A connecting rod is fixed on the bottom of the seat, and the connecting rod is hinged with the connecting frame. The up and down vibration device and the four-bar linkage device are set on the base plate, and the bottom of the up-and-down vibration device is connected with the connecting frame. Through the setting of the up-and-down vibration device, the bottom bracket of the massage chair can drive the massage chair to realize the overall up-and-down vibration action. Meanwhile, the four-bar linkage device ensures that the seat can be stably supported by the connecting frame, and at the same time, the four-bar linkage device can ensure that the vibration frequencies at the four fulcrum positions are consistent.
A massage chair, including a seat and a driving device arranged under the seat, wherein the driving device includes a base plate, a connecting frame, an up-and-down vibration device and a four-bar linkage device, and a bottom of the seat is fixed with a connecting rod and rolling wheels, the connecting rod is hinged with the connecting frame, a surface of the rolling wheels rolls to be in contact with the connecting frame, the up-and-down vibration device and the four-bar linkage device are arranged on the base plate, the bottom of the up-and-down vibration device is connected with the connecting frame, the four-bar linkage device is hinged with the connecting frame, the up-and-down vibration drives the connecting frame to move.
Dependencies are inferred from the claim text.