# US 10,767,747 B2 · Load distribution device

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- Number: US 10,767,747 B2
- Document ID: US10767747B2
- Status: Granted
- Kind: B2
- Application number: 15/747,715
- Filed: 2016-08-19
- Published: 2018-08-02
- Granted: 2020-09-08
- Earliest claimed: 2015-08-25
- Assignees: Smart Manufacturing Technology Ltd.
- Applicants: Smart Manufacturing Technology Limited
- Inventors: Dennis Redmond
- Web page: https://patentgrep.com/patent/US10767747B2

## CPC

- F16H 57/0025: {with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods}
- F16H 37/0833: {with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths}
- F16H 48/08: comprising bevel gears
- F16H: GEARING

## Abstract

A device for transmitting a motive force from a prime mover to two transfer shafts includes; an input shaft having a longitudinal axis, a load transfer member which engages the input shaft and rotates around an axis perpendicular to the longitudinal axis of the input shaft and first and second input shaft gears associated with the input shaft. The device further includes a first transfer shaft having a first transfer gear to engage the first input shaft gear and a second transfer shaft having a second transfer gear to engage the second input shaft gear. The first and second input shaft gears engage the load transfer member at different locations thereon, for transmitting the motive force from the input shaft to the first and second transfer shafts.

## Claims

### Claim 1

A device for transmitting a motive force from a prime mover to first and second transfer shafts, comprising:
an input shaft having a longitudinal axis;
a load transfer member, wherein the load transfer member engages the input shaft and rotates around an axis perpendicular to the longitudinal axis of the input shaft;
a first input shaft gear associated with the input shaft and a second input shaft gear associated with the input shaft;
a first transfer shaft having a first transfer gear configured to engage the first input shaft gear and a second transfer shaft having a second transfer gear configured to engage the second input shaft gear;
wherein the first and second input shaft gears engage the load transfer member at different locations thereon for transmitting the motive force from the input shaft to the first and second transfer shafts, and such that the load transfer member is able to rotate less than 360 degrees; and
wherein the first and second input shaft gears are mounted to the input shaft indirectly via the load transfer member.

### Claim 2 (depends on 1)

A device according to claim 1, wherein the load transfer member comprises a first loading region to engage the first input shaft gear and a second loading region to engage the second input shaft gear, and wherein the load transfer member defines a central point and the first and second loading regions are equally spaced from said central point.

### Claim 3 (depends on 2)

A device according to claim 2, wherein the first and second loading regions are in sliding contact with the first and second input gears, respectively.

### Claim 4 (depends on 3)

A device according to claim 3, wherein the first loading region and the second loading region are rounded.

### Claim 5 (depends on 2)

A device according to claim 2, wherein each of the first input shaft gear and second input shaft gear comprise a slot arranged circumferentially around said input shaft gear, and configured to engage the first and second loading regions respectively.

### Claim 6 (depends on 5)

A device according to claim 5, wherein the circumferential slot of the first input shaft gear is configured to receive the first loading region and the circumferential slot of the second input shaft gear is configured to receive the second loading region.

### Claim 7 (depends on 5)

A device according to claim 5, wherein the circumferential slot defines opposing lateral walls, and a contact pad configured to conform to the shape of the lateral walls and the first and second loading regions is provided at each of the opposing lateral walls.

### Claim 8 (depends on 7)

A device according to claim 7, wherein the contact pads are a separate component from the load transfer member and the input shaft gears.

### Claim 9 (depends on 1)

A device according to claim 1, wherein the input shaft further comprises a radial protrusion at a first longitudinal end of the input shaft.

### Claim 10 (depends on 9)

A device according to claim 9, wherein the radial protrusion defines a perimeter, further wherein the load transfer member comprises a central aperture which conforms to the perimeter of the radial protrusion.

### Claim 11 (depends on 9)

A device according to claim 9, wherein the radial protrusion is cylindrical.

### Claim 12 (depends on 9)

A device according to claim 9, wherein the load transfer member is rotationally mounted on the radial protrusion.

### Claim 13 (depends on 1)

A device according to claim 1, wherein the load transfer member is a rounded cross shape in plan view.