# US 11,998,500 B1 · Massage device

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- Number: US 11,998,500 B1
- Document ID: US11998500B1
- Status: Granted
- Kind: B1
- Application number: 18/089,162
- Filed: 2022-12-27
- Published: 2024-06-27
- Granted: 2024-06-04
- Earliest claimed: 2022-12-27
- Applicants: Wenbin Zhang
- Inventors: Wenbin Zhang
- Web page: https://patentgrep.com/patent/US11998500B1

## CPC

- A61H 15/0078: {power-driven}
- A61H 7/00: Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for (electro-medical massage devices applying electric current by contact A61N1/18)
- A61H 7/007: {Kneading}
- A61H 2201/01: Constructive details
- A61H 2201/1207: with electric or magnetic drive
- A61H 2201/1418: Cam
- A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N)

## Abstract

The invention provides a massage device, which comprises the shell and two symmetrical elastic massage parts, wherein the driving part and the guiding transmission part connected with the driving part are arranged in the shell. The guiding transmission part drives the two elastic massage parts to move towards or away from each other. The massage device of the invention is convenient to use, which could relieve the pressure and fatigue of people and makes them relaxed by massaging the body.

## Claims

### Claim 1

A massage device comprising a shell (1) and two symmetrical elastic massage parts; a driving part and a guiding transmission part are provided within the shell (1); the driving part is connected with the guiding transmission part, and the guiding transmission part is configured to drive the two elastic massage parts to move towards or away from each other,
wherein the guiding transmission part comprises the guiding part (3), two fixed rods (4) and two swing parts (5), wherein the guiding part (3) comprises two vertically arranged rotating parts driven by the driving part; Each of two rotating parts are provided with a column head (32) respectively, and the two column heads (32) are symmetrically arranged along the central axes of two rotating parts; wherein the two fixing rods (4) are positioned above the guiding part (3), symmetrically and in parallel with the rotation center of the guiding part (3), and both ends of the fixing rods (4) are fixed on the inner wall of the shell (1); and wherein the two swing parts (5) are vertically arranged along the rotating part and rotatably connected to two fixed rods (4) respectively; One end of two swing parts (5) are provided with sliding groove (51) respectively, the column head (32) is arranged within the sliding groove (51) and is configured to slide along the sliding groove (51); the other end of two swing parts (5) are provided with jointed arms (52), which is configured to be connected with the elastic massage parts respectively; when the guiding parts (3) rotate, the two swing parts (5) is configured to swing around the fixing rods (4) in opposite directions or in reverse directions respectively, in order to drive the elastic massage parts to move oppositely or reversely.

### Claim 2 (depends on 1)

A massage device according to claim 1, wherein the guiding part (3) further comprises the driving gear (33) directly driven by the driving part, and the rotating part of driven gears (31), The driving gear (33) is meshed with two driven gears (31) respectively.

### Claim 3 (depends on 2)

A massage device according to claim 2, wherein the two swing parts (5) is configured to swing in the vertical direction of the fixing rods (4) respectively.

### Claim 4 (depends on 1)

A massage device according to claim 1, wherein the column head (32) is similar to the cylinder with contractile top, and the shape of the inner cross section of the sliding groove (51) is matched with the shape of the column head (32).

### Claim 5 (depends on 1)

A massage device according to claim 1, wherein the swing part (5) comprises a horizontally arranged first connecting guiding sleeve (53), which is arranged at the approximately middle part of the swing part (5) and connected with the fixing rod (4) in a relatively rotating way; a connecting piece (54) is connected with the sliding groove (51), which extends downward from the first connecting guide sleeve (53); and a second connecting guide sleeve (55) is connected with the jointed arm (52), which extends vertically upward from the first connecting guide sleeve (53).

### Claim 6 (depends on 1)

A massage device according to claim 1, wherein the elastic massage part has two fingers, or two sheets, or the shape suitable for matching with body parts.

### Claim 7 (depends on 1)

A massage device according to claim 1, wherein the jointed arm (52) is equipped with the function of vibration.

### Claim 8 (depends on 1)

A massage device according to claim 1, wherein the driving part is a motor.

### Claim 9 (depends on 1)

A massage device according to claim 1, wherein the upper end of the shell (1) is open, and the guiding transmission part is connected with the two elastic massage parts through the opening of the shell (1).