IP Library Granted Patent US 6,854,949
Granted Patent B2
US 6,854,949 · App. 10/134,570 · Granted Feb 15, 2005

Refuse collection vehicle with pendular packing device and refuse ejection system

Assignee: Wittke Inc.
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Quick Facts
Patent No.
US 6,854,949
App. No.
10/134,570
Granted
Feb 15, 2005
Kind
B2
Abstract

A refuse collection vehicle having a vehicle chassis including a vehicle cab and frame with a vehicle body mounted on top of the frame. The vehicle body has a front receiving hopper separated from a rear storage compartment by means of a partition having an aperture for passage of refuse. A pendular packing device having a refuse engaging face is pivotally mounted within the receiving hopper and arcuately swings to rapidly transfer refuse through the aperture. In order to empty the storage compartment, a rear door is opened to permit egress of refuse and the partition moves longitudinally along the vehicle body to displace refuse out of the storage compartment.

Claims (29)

1. A refuse collection vehicle body having a rear and a front, comprising:

a refuse storage compartment at the rear of the vehicle body having no front wall, but having a rear wall, two side walls, a floor and an interior cross-section, and having a rear door in the rear wall operable to open to permit egress of refuse;

a refuse receiving hopper at the front of the vehicle body having a front wall, rear wall, two side walls and a floor separate from the rear wall, side walls and floor of the storage compartment, the rear wall of the receiving hopper profiled to match the interior cross-section of the storage compartment and having an aperture for passage of refuse to the storage compartment, the entire receiving hopper operable to longitudinally move within the storage compartment toward the rear door of the storage compartment to thereby displace refuse in the storage compartment out through the rear door;

a pendular packing means pivotally mounted to the receiving hopper having a refuse engaging face, the packing means operable to arcuately swing within the receiving hopper, thereby transferring refuse to the storage compartment through the aperture; and,

a hydraulic cylinder located below the floor of the receiving hopper for longitudinally moving the entire receiving hopper within the storage compartment.

2. The refuse collection vehicle body of claim 1 , wherein the floor of the receiving hopper is curved to correspond to the arcuate swing of the packing means in the receiving hopper.

3. The refuse collection vehicle body of claim 1 , wherein the aperture is located at substantially the bottom of the rear wall of the receiving hopper.

4. The refuse collection vehicle body of claim 1 , wherein the floor of the receiving hopper comprises rails attached to an underside thereof to facilitate longitudinal sliding of the receiving hopper within the storage compartment.

5. The refuse collection vehicle body of claim 1 , wherein the pendular packing means comprises a swing member having an upper end pivotally attached to the hopper at a top thereof, and a lower end to which the refuse engaging face is attached.

6. The refuse collection vehicle body of claim 1 , wherein the refuse engaging face of the pendular packing means blocks the aperture when the pendular packing means is in a lowered position to prevent passage of refuse from the storage compartment into the receiving hopper.

7. The refuse collection vehicle body of claim 1 , wherein the rear wall of the receiving hopper further comprises a refuse blocking gate to prevent passage of refuse from the storage compartment into the receiving hopper.

8. The refuse collection vehicle body of claim 1 , wherein the packing means is operable by means of a hydraulic cylinder, one end of the hydraulic cylinder attached to the front wall of the receiving hopper at substantially a top thereof and another end of the hydraulic cylinder attached to the packing means proximal the refuse engaging face.

9. A refuse collection vehicle comprising:

(a) a vehicle frame having front and rear sets of road engaging wheels mounted thereunder and motive means for rotating at least one of the sets of wheels;

(b) a vehicle cab mounted on the vehicle frame; and,

(c) a vehicle body having a rear and a front longitudinally mounted on the vehicle frame rearward of the vehicle cab, the vehicle body comprising

a refuse storage compartment at the rear of the vehicle body having no front wall, but having a rear wall, two side walls, a floor and an interior cross-section, and having a rear door in the rear wall operable to open to permit egress of refuse,

a refuse receiving hopper at the front of the vehicle body having a front wall, rear wall, two side walls and a floor separate from the rear wall, side walls and floor of the storage compartment, the rear wall of the receiving hopper profiled to match the interior cross-section of the storage compartment and having an aperture for passage of refuse to the storage compartment, the entire receiving hopper operable to longitudinally move within the storage compartment toward the rear door of the storage compartment to thereby displace refuse in the storage compartment out through the rear door,

a pendular packing means pivotally mounted to the receiving hopper having a refuse engaging face, the packing means operable to arcuately swing within the receiving hopper, thereby transferring refuse to the storage compartment through the aperture, and

a hydraulic cylinder located below the floor of the receiving hopper for longitudinally moving the entire receiving hopper within the storage compartment.

10. The refuse collection vehicle of the claim 9 , wherein the receiving hopper includes a top opening for receiving refuse.

11. The refuse collection vehicle of claim 9 , wherein the receiving hopper includes a side opening for receiving refuse.

12. The refuse collection vehicle of claim 9 , further comprising an automated container loader for raising a refuse container and downwardly depositing refuse into the receiving hopper.

13. The refuse collection vehicle of claim 9 , wherein the floor of the receiving hopper is curved to correspond to the arcuate swing of the packing means in the receiving hopper.

14. The refuse collection vehicle of claim 9 , wherein the aperture is located at substantially the bottom of the rear wall of the receiving hopper.

15. The refuse collection vehicle of claim 9 , wherein the floor of the receiving hopper comprises rails attached to an underside thereof to facilitate longitudinal sliding of the receiving hopper within the storage compartment.

16. The refuse collection vehicle of claim 9 , wherein the pendular packing means comprises a swing member having an upper end pivotally attached to the hopper at a top thereof, and a lower end to which the refuse engaging face is attached.

17. The refuse collection vehicle of claim 9 , wherein the refuse engaging face of the pendular packing means blocks the aperture when the pendular packing means is in a lowered position to prevent passage of refuse from the storage compartment into the receiving hopper.

18. The refuse collection vehicle of claim 9 , wherein the packing means is operable by means of a hydraulic cylinder, one end of the hydraulic cylinder attached to the front wall of the receiving hopper at substantially a top thereof and another end of the hydraulic cylinder attached to the packing means proximal the refuse engaging face.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Jan 26, 2026
From: ROYAL BANK OF CANADA
To: LABRIE ENVIRONMENTAL GROUP ULC / (F/K/A LABRIE ENVIRONMENTAL GROUP INC.)
Reel/Frame 073576/0338 →
RELEASE OF SECURITY INTEREST Recorded Jan 26, 2026
From: BSP AGENCY, LLC
To: LABRIE ENVIRONMENTAL GROUP ULC / (F/K/A LABRIE ENVIRONMENTAL GROUP INC.)
Reel/Frame 073576/0563 →
CHANGE OF NAME Recorded Dec 30, 2020
From: LABRIE ENVIRONMENTAL GROUP INC./GROUPE ENVIRONNEMENTAL LABRIE INC.
To: LABRIE ENVIRONMENTAL GROUP ULC / GROUPE ENVIRONNEMENTAL LABRIE SRI
Reel/Frame 054777/0577 →
CHANGE OF NAME Recorded Sep 11, 2020
From: EQUIPEMENT LABRIE LTEE
To: LABRIE ENVIRONMENTAL GROUP INC.
Reel/Frame 054345/0663 →
SECURITY INTEREST Recorded Sep 11, 2020
From: LABRIE ENVIRONMENTAL GROUP INC.
To: BSP AGENCY, LLC
Reel/Frame 053741/0191 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2008
From: LEACH NORTH AMERICA LTD.
To: EQUIPEMENT LABRIE LTEE
Reel/Frame 021861/0542 →
CHANGE OF NAME Recorded Jun 23, 2006
From: WITTKE INC.
To: LEACH NORTH AMERICA LTD.
Reel/Frame 017833/0756 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 30, 2002
From: HUANG, SIMON
To: WITTKE INC.
Reel/Frame 012855/0063 →
Continuity (1)
Related Publication 20030202870A1 · Oct 30, 2003