US 12,440,420 B2
Hand-held muscle relaxation device having a power supply arranged transversely
Shuguang Cao, Guangdong (CN); and Yong Wan, Guangdong (CN)
Assigned to SHENZHEN BREO TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/289,155
Filed by SHENZHEN BREO TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Mar. 5, 2020, PCT No. PCT/CN2020/078014
§ 371(c)(1), (2) Date Apr. 27, 2021,
PCT Pub. No. WO2021/062985, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 201910944096.X (CN), filed on Sep. 30, 2019.
Prior Publication US 2022/0211572 A1, Jul. 7, 2022
Int. Cl. A61H 23/00 (2006.01); A61H 23/02 (2006.01)
CPC A61H 23/006 (2013.01) [A61H 23/0254 (2013.01); A61H 2201/0153 (2013.01); A61H 2201/1436 (2013.01); A61H 2201/149 (2013.01); A61H 2201/1669 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A hand-held muscle relaxation device, comprising: a housing; a power supply; a motor; a massage head module and a power conversion mechanism;
wherein the power conversion mechanism is mounted inside the housing, the power supply is electrically connected with the motor, the motor is provided with a first rotation axis, and the motor drives the massage head module to perform a linear reciprocating movement along a first axis through the power conversion mechanism, the housing comprises a casing and a handle mounted at a side of the casing, the motor is mounted inside the handle and the power supply is mounted inside and transverse to the casing;
wherein the casing is arranged along the first axis and;
wherein the handle is rotatably connected to the casing and rotatable about a second rotation axis relative to the casing; and
wherein a first angle is formed between the first rotation axis and the first axis, a second angle is formed between the first rotation axis and the second rotation axis, the first angle is an acute or obtuse angle, and the second angle is an acute angle.