# US 7,610,792 B2 · Sled buck testing system

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- Number: US 7,610,792 B2
- Document ID: US7610792B2
- Status: Granted
- Kind: B2
- Application number: 11/565,860
- Filed: 2006-12-01
- Published: 2008-05-29
- Granted: 2009-11-03
- Earliest claimed: 2006-08-09
- Assignees: Ford Motor Company
- Inventors: Weigang Chen; Michael Stiyer; Baohua Xiao; Robert MacFarland; Matthew Maltarich
- Web page: https://patentgrep.com/patent/US7610792B2

## CPC

- G01M 17/0078: {Shock-testing of vehicles}
- G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR

## Abstract

A sled carriage is configured to move in a direction of an axis and a track is attached with the sled carriage. A platform is attached with the track and a sled buck is attached with the platform. Upon acceleration of the sled carriage, the sled buck and platform move relative to the sled carriage.

## Claims

### Claim 1

A system for sled buck testing comprising:
a sled carriage configured to move in a direction of an axis;
a guide attached with the sled carriage;
a pivot member configured to move along the guide;
first and second tracks attached with the sled carriage;
a circular bearing member, having a center of rotation, attached with the first and second tracks, the first and second tracks configured to permit the circular bearing member to move along the first and second tracks;
a platform attached with the circular bearing member and pivot member; and
a sled buck attached with the platform, wherein, upon acceleration of the sled carriage, the sled buck and platform move relative to the sled carriage in a predetermined fashion, wherein the platform and sled buck have a center of gravity, and wherein the center of rotation is aligned with the center of gravity.

### Claim 2 (depends on 1)

The system of claim 1 wherein, upon acceleration of the sled carriage, the sled buck and platform translate in a direction different than the direction of the axis.

### Claim 3 (depends on 2)

The system of claim 2 wherein the translation depends on an angle between the first track and the axis.

### Claim 4 (depends on 3)

The system of claim 3 wherein an angle between the guide and the axis depends on the angle between the first track and the axis.

### Claim 5 (depends on 1)

The system of claim 1 wherein, upon acceleration of the sled carriage, the sled buck and platform rotate about the center of gravity.

### Claim 6 (depends on 5)

The system of claim 5 wherein the rotation depends on an angle between the guide and the axis.

### Claim 7 (depends on 5)

The system of claim 5 wherein the rotation depends on an angle between the first track and the axis.

### Claim 8 (depends on 1)

The system of claim 1 wherein the guide is tunable.

### Claim 9 (depends on 1)

The system of claim 1 wherein the platform pivots about the pivot member.

### Claim 10

A system for sled buck testing comprising:
a sled carriage configured to move in a direction of an axis;
first and second tracks attached with the sled carriage;
a circular bearing member, having a center of rotation, attached with the first and second tracks, the first and second tracks configured to permit the circular bearing member to move along the first and second tracks;
a platform attached with the circular bearing member; and
a sled buck attached with the platform, wherein, upon acceleration of the sled carriage, the sled buck and platform move relative to the sled carriage in a predetermined fashion, wherein the platform and the sled buck have a center of gravity, and wherein the center of rotation has a predetermined lateral offset relative to the center of gravity.

### Claim 11 (depends on 10)

The system of claim 10 wherein, upon acceleration of the sled carriage, the sled buck and platform translate in a direction different than the direction of the axis.

### Claim 12 (depends on 11)

The system of claim 11 wherein the translation depends on an angle between the first track and the axis.

### Claim 13 (depends on 10)

The system of claim 10 wherein the first and second tracks are parallel.

### Claim 14 (depends on 10)

The system of claim 10 wherein, upon acceleration of the sled carriage, the sled buck and platform rotate about the center of rotation.

### Claim 15 (depends on 14)

The system of claim 14 wherein the rotation depends on the lateral offset.