IP Library Granted Patent US 7,766,002
Granted Patent B2
US 7,766,002 · App. 11/583,194 · Granted Aug 3, 2010

Concrete block splitting and pitching apparatus

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Quick Facts
Patent No.
US 7,766,002
App. No.
11/583,194
Granted
Aug 3, 2010
Kind
B2
Abstract

An apparatus for pitching and splitting a masonry block is provided. The apparatus includes a first pitching blade configured to move in a first direction. A second pitching blade is disposed adjacent to the first pitching blade, and the two pitching blades are separated by a distance that is small enough so that the splits initiated by each blade join into a single plane, thereby pitching and splitting the masonry block without the need for a splitting blade.

Claims (35)

1. An apparatus for pitching and splitting a concrete block comprising:

a first pitching blade configured to move in a first direction;

a second pitching blade adjacent and parallel to the first pitching blade, wherein the first pitching blade and the second pitching blade are separated by a distance that causes the concrete block to split primarily along a single plane when the first pitching blade and the second pitching blade are driven into the concrete block;

a third pitching blade opposite the first pitching blade and configured to move in a second direction; and

a fourth pitching blade opposite the second pitching blade and adjacent to the third pitching blade, wherein the third pitching blade and the fourth pitching blade are separated by a distance that causes the concrete block to split primarily along the single plane, and to form at least two pitch breaks on the surface of the concrete block adjacent to the single plane and at an angle relative to the single plane.

2. The apparatus of claim 1 wherein the first pitching blade and the second pitching blade are mounted on a common blade holder.

3. The apparatus of claim 1 further comprising a conformable material disposed between the first pitching blade and a press, the conformable material allowing the first pitching blade to move relative to the surface of the concrete block when the first pitching blade comes in contact with the surface of the concrete block.

4. The apparatus of claim 1 wherein the first pitching blade and the second pitching blade are mounted on a common blade holder, and further comprising a conformable material disposed between the common blade holder and a press, the conformable material allowing the common blade holder to move relative to the surface of the concrete block.

5. The apparatus of claim 1 wherein the separation distance between the first pitching blade and the second pitching blade is different from the separation distance between the third pitching blade and the fourth pitching blade.

6. The apparatus of claim 1 wherein the third pitching blade and the fourth pitching blade are mounted on a common blade holder.

7. The apparatus of claim 1 further comprising a conformable material disposed between the third pitching blade and a surface, the conformable material allowing the third pitching blade to move relative to the surface of the concrete block.

8. The apparatus of claim 1 wherein the third pitching blade and the fourth pitching blade are mounted on a second common blade holder, and further comprising a conformable material disposed between the second common blade holder and a surface, the conformable material allowing the second common blade holder to move relative to the surface of the concrete block.

9. An apparatus for pitching and splitting a concrete block comprising:

a first pitching blade configured to move in a first direction;

a second pitching blade adjacent and parallel to the first pitching blade, wherein the first pitching blade and the second pitching blade are separated by a distance that causes the concrete block to split primarily along a single plane when the first pitching blade and the second pitching blade are driven into the concrete block;

a third pitching blade opposite the first pitching blade and configured to move in a second direction;

a fourth pitching blade opposite the second pitching blade and adjacent to the third pitching blade, wherein the third pitching blade and the fourth pitching blade are separated by a distance that causes the concrete block to split primarily along the single plane, and to form at least two pitch breaks on the surface of the concrete block adjacent to the single plane and at an angle relative to the single plane;

wherein the first pitching blade and the second pitching blade are mounted on a common blade holder; and

a conformable material disposed between the common blade holder and a press.

10. The apparatus of claim 9 wherein the conformable material allows the common blade holder to move relative to the surface of the concrete block.

11. The apparatus of claim 9 wherein the separation distance between the first pitching blade and the second pitching blade is different from the separation distance between the third pitching blade and the fourth pitching blade.

12. The apparatus of claim 9 wherein the third pitching blade and the fourth pitching blade are mounted on a common blade holder.

13. The apparatus of claim 9 further comprising a conformable material disposed between the third pitching blade and a surface, the conformable material allowing the third pitching blade to move relative to the surface of the concrete block.

14. The apparatus of claim 9 wherein the third pitching blade and the fourth pitching blade are mounted on a second common blade holder, and further comprising a conformable material disposed between the second common blade holder and a surface, the conformable material allowing the second common blade holder to move relative to the surface of the concrete block.

15. An apparatus for pitching and splitting a concrete block comprising:

a first pitching blade configured to move in a first direction;

a second pitching blade adjacent and parallel to the first pitching blade, wherein the first pitching blade and the second pitching blade are separated by a distance that causes the concrete block to split primarily along a single plane when the first pitching blade and the second pitching blade are driven into the concrete block;

a third pitching blade opposite the first pitching blade and configured to move in a second direction;

a fourth pitching blade opposite the second pitching blade and adjacent to the third pitching blade, wherein the third pitching blade and the fourth pitching blade are separated by a distance that causes the concrete block to split primarily along the single plane, and to form at least two pitch breaks on the surface of the concrete block adjacent to the single plane and at an angle relative to the single plane; and

a conformable material disposed between the first pitching blade and a first press and the third pitching blade and a second press, the conformable material allowing the first pitching blade and the third pitching blade to move relative to the surfaces of the concrete block when the first pitching blade and the third pitching blade come in contact with the surfaces of the concrete block.

16. The apparatus of claim 15 wherein the first pitching blade and the second pitching blade are mounted on a common blade holder.

17. The apparatus of claim 15 wherein the first pitching blade and the second pitching blade are mounted on a common blade holder, and further comprising a conformable material disposed between the common blade holder and a press, the conformable material allowing the common blade holder to move relative to the surface of the concrete block.

18. The apparatus of claim 15 wherein the separation distance between the first pitching blade and the second pitching blade is different from the separation distance between the third pitching blade and the fourth pitching blade.

19. The apparatus of claim 15 wherein the third pitching blade and the fourth pitching blade are mounted on a common blade holder.

20. The apparatus of claim 15 wherein the third pitching blade and the fourth pitching blade are mounted on a second common blade holder, and further comprising a conformable material disposed between the second common blade holder and a surface, the conformable material allowing the second common blade holder to move relative to the surface of the concrete block.

Assignments (12)
CHANGE OF ADDRESS OF ASSIGNEE Recorded Sep 16, 2020
From: PAVESTONE, LLC
To: PAVESTONE, LLC
Reel/Frame 053790/0860 →
RELEASE OF SECURITY INTEREST IN PATENTS (RELEASES RF 031478/0756) Recorded May 4, 2016
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SECOND LIEN AGENT
To: PAVESTONE, LLC
Reel/Frame 038610/0212 →
PATENT SECURITY AGREEMENT Recorded Oct 23, 2013
From: PAVESTONE, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS FIRST LIEN AGENT
Reel/Frame 031477/0539 →
PATENT SECURITY AGREEMENT Recorded Oct 23, 2013
From: PAVESTONE, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SECOND LIEN AGENT
Reel/Frame 031478/0756 →
RELEASE OF SECURITY INTEREST IN PATENTS AT REEL/FRAME NO. 28488/0877 Recorded Oct 14, 2013
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: QUIKRETE HOLDINGS, INC.; THE QUIKRETE COMPANIES, INC.; QUIKRETE INTERNATIONAL, INC.; PAVESTONE, LLC; QUIKRETE CANADA HOLDINGS, LIMITED; SPEC/MIX, INC.
Reel/Frame 031408/0472 →
SECURITY AGREEMENT Recorded Oct 2, 2013
From: CUSTOM BUILDING PRODUCTS, INC.; QUIKRETE INTERNATIONAL, INC.; TARGET PRODUCTS LTD.; PAVESTONE, LLC; QUIKRETE HOLDINGS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 031333/0741 →
SECURITY AGREEMENT Recorded Jul 2, 2012
From: THE QUIKRETE COMPANIES, INC.; QUIKRETE INTERNATIONAL, INC.; QUIKRETE HOLDINGS, INC.; QUIKRETE CANADA HOLDINGS, LIMITED; SPEC/MIX, INC.; PAVESTONE, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 028488/0877 →
CHANGE OF NAME Recorded Mar 2, 2012
From: PAVESTONE COMPANY, LP
To: PAVESTONE COMPANY, LLC
Reel/Frame 027796/0392 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2012
From: PAVESTONE COMPANY, LLC
To: PAVESTONE, LLC
Reel/Frame 027796/0732 →
RELEASE OF SECURITY INTEREST Recorded Feb 8, 2012
From: BANK OF AMERICA, N.A.
To: PAVESTONE COMPANY, LLC
Reel/Frame 027672/0786 →
SECURITY AGREEMENT Recorded Mar 8, 2010
From: PAVESTONE COMPANY, LLC; PAVESTONE HOLDINGS, LLC; BEDROCK FREIGHT BROKERAGE, LLC; GLASS MOUNTAIN PUMICE 2004, LLC; HYDROPAVE LLC; N2M GROUP, L.L.C.; NORTH AMERICAN MARBLE, LLC; PAVESTONE CALIFORNIA, LLC; PAVESTONE COMPANY OF MASSACHUSETTS, LLC; PAVESTONE COMPANY OF OHIO, LLC; SANTA FE LAVA ROCK, LLC; VENEERSTONE, LLC; VENEERSTONE CALIFORNIA, LLC; WESTERN AGGREGATES, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 024035/0877 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 18, 2006
From: KARAU, WILLIAM H.; MARX, JOERG; DAVIS, TOMMY W.
To: PAVESTONE COMPANY, L.P.
Reel/Frame 018447/0019 →