# US 11,299,187 B2 · Dump cart

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- Number: US 11,299,187 B2
- Document ID: US11299187B2
- Status: Granted
- Kind: B2
- Application number: 16/266,750
- Filed: 2019-02-04
- Published: 2020-08-06
- Granted: 2022-04-12
- Earliest claimed: 2019-02-04
- Assignees: Tricam Industries, Inc.
- Applicants: Tricam Industries, Inc.
- Inventors: Joseph P. Foley; Benjamin P. Williams; Benjamin M. Wernberg; Dennis D. Simpson
- Web page: https://patentgrep.com/patent/US11299187B2

## CPC

- B62B 3/08: involving tiltably-mounted containers
- B62B 3/007: {Coaster wagons}
- B62B 3/003: {Non-transparent side walls}
- B62B 2203/07: Comprising a moving platform or the like, e.g. for unloading
- B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M)

## Abstract

A dumping cart is disclosed. The cart allows for complete dumping while maintaining four wheels on the ground and can rotate the rear set of wheels to allow the bed of the cart to be completely turned over for emptying. Also disclosed is a method of attaching an article retaining bed to a cart.

## Claims

### Claim 1

A dumping cart, comprising:
a chassis;
an article retaining bed pivotably coupled to the chassis along an articulation axis, the article retaining bed comprising a bed floor;
a set of front wheels having a front wheel rotation axis;
a set of rear wheels operably coupled to the article retaining bed, the set of rear wheels having a rear wheel rotation axis;
wherein the articulation axis is shiftable between:
a carry orientation wherein the articulation axis is intermediate the front wheel rotation axis and the rear wheel rotation axis and intermediate the bed floor and the rear wheel rotation axis;
a full-dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis and the articulation axis is intermediate the rear wheel rotation axis and the bed floor; and
wherein the cart is used on the ground and the bed floor is parallel to the ground when the articulation axis is in the full-dump orientation.

### Claim 2 (depends on 1)

The dumping cart of claim 1, wherein the articulation axis is further shiftable to a dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis.

### Claim 3 (depends on 2)

The dumping cart of claim 2 wherein the bed floor is within 15 degrees of vertical when the articulation axis is in the dump orientation.

### Claim 4 (depends on 1)

The dumping cart of claim 1, wherein the cart is used on the ground and the articulation axis is further shiftable to an over-dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis and the articulation axis is intermediate the rear wheel rotation axis and the ground.

### Claim 5 (depends on 2)

The dumping cart of claim 2 wherein the cart is used on the ground and the front wheels and rear wheels contact the ground when the articulation axis is in the dump orientation.

### Claim 6 (depends on 4)

The dumping cart of claim 4 wherein the front wheels contact the ground and the rear wheels do not contact the ground when the articulation axis is in the over-dump orientation.

### Claim 7 (depends on 1)

The dumping cart of claim 1 wherein the cart is used on the ground and the front wheels contact the ground and the rear wheels do not contact the ground when the articulation axis is in the full-dump orientation.

### Claim 8

A dumping cart for use on the ground, comprising:
a chassis;
an article retaining bed pivotably coupled to the chassis along an articulation axis, the article retaining bed comprising a bed floor;
a set of front wheels having a front wheel rotation axis;
a set of rear wheels operably coupled to the article retaining bed, the set of rear wheels having a rear wheel rotation axis;
wherein the articulation axis is shiftable between:
a carry orientation wherein the articulation axis is intermediate the front wheel rotation axis and the rear wheel rotation axis and intermediate the bed floor and the rear wheel rotation axis; and
a full-dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis and the bed floor is substantially parallel to and facing the ground.

### Claim 9 (depends on 8)

The dumping cart of claim 8 wherein the articulation axis is intermediate the rear wheel rotation axis and the bed floor when the articulation axis is in the full-dump orientation.

### Claim 10 (depends on 9)

The dumping cart of claim 9 wherein the front wheels contact the ground and the rear wheels do not contact the ground when the articulation axis is in the full-dump orientation.

### Claim 11 (depends on 8)

The dumping cart of claim 8, wherein the articulation axis is further shiftable to an over-dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis and the articulation axis is intermediate the rear wheel rotation axis and the ground.

### Claim 12 (depends on 11)

The dumping cart of claim 11 wherein the front wheels contact the ground and the rear wheels do not contact the ground when the articulation axis is in the over-dump orientation.

### Claim 13 (depends on 8)

The dumping cart of claim 8 wherein the articulation axis is further shiftable to a dump orientation wherein the rear wheel rotation axis is intermediate the front wheel rotation axis and the articulation axis.

### Claim 14 (depends on 13)

The dumping cart of claim 13 wherein the bed floor is within 15 degrees of vertical when the articulation axis is in the dump orientation.

### Claim 15 (depends on 14)

The dumping cart of claim 14 wherein the front wheels and rear wheels contact the ground when the articulation axis is in the dump orientation.