# US 2023/0057787 A1 · Handlebar Device and Exercise Bike

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- Number: US 2023/0057787 A1
- Document ID: US20230057787A1
- Status: Published application
- Kind: A1
- Application number: 17/747,350
- Filed: 2022-05-18
- Published: 2023-02-23
- Earliest claimed: 2021-08-23
- Assignees: Fitplay Technology (Hk) Limited
- Applicants: Fitplay Technology (Hk) Limited
- Inventors: Weisheng HU; Guanting LIU
- Web page: https://patentgrep.com/patent/US20230057787A1

## CPC

- A63B 21/4033: {Handles, pedals, bars or platforms}
- A63B 21/157: {Ratchet-wheel links; Overrunning clutches; One-way clutches}
- A63B 21/4035: {for operation by hand}
- A63B 22/0605: {performing a circular movement, e.g. ergometers}
- A63B 24/0087: {Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load}
- A63B 2024/0093: {the load of the exercise apparatus being controlled by performance parameters, e.g. distance or speed}
- A63B 2209/08: magnetic
- A63B 2220/13: Relative positions
- A63B 2220/16: Angular positions
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A handlebar device and an exercise bike are provided. The handlebar device comprises a handle assembly, an electric control clutch part, a base, a return part, and a return detection element, wherein the handle assembly comprises a handle, a pedestal and a rotating shaft, and the handle is fixedly connected to the pedestal, the rotating shaft has one end connected to the pedestal and the other end rotatably connected to the base, the electric control clutch part is connected between the rotating shaft and the base, so that the rotating shaft is fixed or rotatable relative to the base; the return part is connected between the pedestal and the base to make the base return to an initial position; and the return detection element is used to detect that the rotating shaft reaches the to-be-returned position and transmit it to the electric control clutch part.

## Claims

### Claim 1

A handlebar device, comprising a handle assembly, an electric control clutch part, a base, a return part, and a return detection element, wherein the handle assembly comprises a handle, a pedestal and a rotating shaft, and the handle is fixedly connected to the pedestal, one end of the rotating shaft is connected to the pedestal, the other end of the rotating shaft is rotatably connected to the base, the electric control clutch part is connected between the rotating shaft and the base, so that the rotating shaft is fixed or rotatable relative to the base; and
the return part is connected between the pedestal and the base to make the base return to an initial position, and the return detection element is configured to detect that the rotating shaft reaches a to-be-returned position and transmit it to the electric control clutch part.

### Claim 2 (depends on 1)

The handlebar device according to claim 1, wherein the return part comprises a plurality of strip springs, wherein number of the strip springs is an even number, and with a center line of the rotating shaft taken as a center, the plurality of strip springs are arranged at intervals along a same circumference; wherein a part of each of the strip springs is located in the pedestal, and one end of the each strip spring extends out of the pedestal and is inserted into the base.

### Claim 3 (depends on 2)

The handlebar device according to claim 2, wherein the return part comprises a mounting shell and an upper cover plate, the mounting shell is provided with cavities in one-to-one correspondence with the plurality of the strip springs, the pedestal is provided with a mounting groove, the mounting shell is installed in the mounting groove, and the upper cover plate is connected with one side of the pedestal away from the base to cover the mounting shell.

### Claim 4 (depends on 3)

The handlebar device according to claim 3, wherein the mounting shell comprises a plurality of connecting plates and a plurality of pipes; the plurality of the strip springs each penetrate through a corresponding one of the plurality of pipes, and one connecting plate is connected between each two adjacent pipes; and the pedestal is provided with a rotating shaft connecting portion, and the plurality of the pipes are arranged surrounding rotating shaft connecting portion.

### Claim 5 (depends on 4)

The handlebar device according to claim 4, wherein the return part further comprises a bottom shell, the bottom shell is fixed on the base, and the bottom shell is provided with a plurality of slots in one-to-one correspondence with the plurality of strip springs.

### Claim 6 (depends on 2)

The handlebar device according to claim 2, wherein the number of the strip springs is four, wherein each two strip springs form a pair, and ends of the two strip springs in each pair are connected with each other.

### Claim 7 (depends on 6)

The handlebar device according to claim 6, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.

### Claim 8 (depends on 7)

The handlebar device according to claim 7, wherein the angle sensor comprises a magnet, a magnet fixing shell, a HALL angle chip and an angle chip fixing shell; and the magnet is coaxially fixed in the magnet fixing shell, the HALL angle chip is fixed in the angle chip fixing shell; and the magnet fixing shell is coaxially fixed with the rotating shaft, and the angle chip fixing shell is connected with the base.

### Claim 9 (depends on 8)

The handlebar device according to claim 8, wherein the electric control clutch part is an electromagnetic clutch; the electromagnetic clutch comprises a clutch moving part, a clutch fixing part and a clutch fixing shell; wherein the clutch moving part is fixedly connected to the rotating shaft, the clutch fixing part is fixedly connected to the clutch fixing shell, the base is fixedly connected to the clutch fixing shell, the clutch fixing shell is configured to be fixedly connected with a bicycle frame; the clutch fixing shell is provided with a through hole, and the angle chip fixing shell is fixed on the clutch fixing shell, and the magnet is, at the through hole, provided as opposite to the HALL angle chip, face to face.

### Claim 10 (depends on 1)

An exercise bike, comprising a bicycle frame and the handlebar device according to claim 1, wherein the base is connected with the bicycle frame.

### Claim 11 (depends on 2)

The handlebar device according to claim 2, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.

### Claim 12 (depends on 3)

The handlebar device according to claim 3, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.

### Claim 13 (depends on 4)

The handlebar device according to claim 4, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.

### Claim 14 (depends on 5)

The handlebar device according to claim 5, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.

### Claim 15 (depends on 10)

The exercise bike according to claim 10, wherein the return part comprises a plurality of strip springs, wherein number of the strip springs is an even number, and with a center line of the rotating shaft taken as a center, the plurality of strip springs are arranged at intervals along a same circumference; wherein a part of each of the strip springs is located in the pedestal, and one end of the each strip spring extends out of the pedestal and is inserted into the base.

### Claim 16 (depends on 15)

The exercise bike according to claim 15, wherein the return part comprises a mounting shell and an upper cover plate, the mounting shell is provided with cavities in one-to-one correspondence with the plurality of the strip springs, the pedestal is provided with a mounting groove, the mounting shell is installed in the mounting groove, and the upper cover plate is connected with one side of the pedestal away from the base to cover the mounting shell.

### Claim 17 (depends on 16)

The exercise bike according to claim 16, wherein the mounting shell comprises a plurality of connecting plates and a plurality of pipes; the plurality of the strip springs each penetrate through a corresponding one of the plurality of pipes, and one connecting plate is connected between each two adjacent pipes; and the pedestal is provided with a rotating shaft connecting portion, and the plurality of the pipes are arranged surrounding rotating shaft connecting portion.

### Claim 18 (depends on 17)

The exercise bike according to claim 17, wherein the return part further comprises a bottom shell, the bottom shell is fixed on the base, and the bottom shell is provided with a plurality of slots in one-to-one correspondence with the plurality of strip springs.

### Claim 19 (depends on 15)

The exercise bike according to claim 15, wherein the number of the strip springs is four, wherein each two strip springs form a pair, and ends of the two strip springs in each pair are connected with each other.

### Claim 20 (depends on 19)

The exercise bike according to claim 19, wherein the return detection element is an angle sensor, and the angle sensor is configured to detect an angle of the rotating shaft.
