# US 2019/0170226 A1 · Transmission mechanism

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- Number: US 2019/0170226 A1
- Document ID: US20190170226A1
- Status: Published application
- Kind: A1
- Application number: 15/830,728
- Filed: 2017-12-04
- Published: 2019-06-06
- Earliest claimed: 2017-12-04
- Assignees: Oma Metal Industrial Co., Ltd.
- Applicants: Oma Metal Industrial Co., Ltd.
- Inventors: Kaibin Xing
- Web page: https://patentgrep.com/patent/US20190170226A1

## CPC

- F16H 21/40: for interconverting rotary motion and oscillating motion
- F16H: GEARING

## Abstract

The present application relates to a transmission mechanism includes a transmission part, a swing part and a rotating part, wherein the transmission part includes at least two spaced transmissions each of which provided with a first end and a second end; the swing part includes at least two swings, one of the swings is hinged with the first end of a respective transmission; the rotating part includes at least two eccentric wheels, one of the eccentric wheels is rotationally connected with the second end of the respective transmission, an eccentric rotating part is provided on each eccentric wheel and able to drive the respective transmission and the respective swing to swing by rotating the eccentric wheel. The transmission mechanism of the present application has a simple structure, and cooperation between the eccentric wheels, the transmissions and the swings is continuous and smooth during operation.

## Claims

### Claim 1

A transmission mechanism, comprising:
a transmission part comprising at least two spaced transmissions each of which provided with a first end and a second end;
a swing part comprising at least two swings, one of the swings being hinged with the first end of a respective transmission;
a rotating part comprising at least two eccentric wheels, one of the eccentric wheels being rotationally connected with the second end of the respective transmission, an eccentric rotating part being provided on each eccentric wheel and being able to drive the respective transmission and the respective swing to swing by rotating the eccentric wheel.

### Claim 2 (depends on 1)

The transmission mechanism according to claim 1, wherein a first connection is provided between two adjacent eccentric wheels, both ends of the first connection are connected with the eccentric rotating parts of the two adjacent eccentric wheels respectively.

### Claim 3 (depends on 1)

The transmission mechanism according to claim 1, wherein a second connection is provided between two adjacent transmissions, both ends of the second connection are rotationally connected with the two transmissions respectively.

### Claim 4 (depends on 1)

The transmission mechanism according to claim 1, wherein the second end of the transmission is provided with a ring-shaped structure.

### Claim 5 (depends on 4)

The transmission mechanism according to claim 4, wherein the eccentric wheel comprises a first end and a second end opposite to the first end, a fixing flange is circumferentially arranged at the first end of the eccentric wheel, the second end of the eccentric wheel is inserted into the ring-shaped structure and is provided with a slot circumferentially, a block is provided in the slot, and the eccentric wheel is fixed in the ring-shaped structure by the block along with the fixing flange.

### Claim 6 (depends on 4)

The transmission mechanism according to claim 4, wherein the eccentric wheel is inserted into the ring-shaped structure, the eccentric wheel comprises a first end and a second end opposite to the first end, a slot is circumferentially provided on each of the first end and the second end, a block is provided in the slot, and the eccentric wheel is fixed in the ring-shaped structure by the block.

### Claim 7 (depends on 5)

The transmission mechanism according to claim 5, wherein the block is an elastic collar or baffle.

### Claim 8 (depends on 6)

The transmission mechanism according to claim 6, wherein the block is an elastic collar or baffle.

### Claim 9 (depends on 2)

The transmission mechanism according to claim 2, wherein the first connection is an axle structure.

### Claim 10 (depends on 3)

The transmission mechanism according to claim 3, wherein the second connection is an axle structure.

### Claim 11 (depends on 1)

The transmission mechanism according to claim 1, wherein the eccentric rotating parts of two adjacent eccentric wheels are staggered.