Abstract

The invention provides a block splitter assembly comprising first lower and second upper opposed splitter blade assemblies. The splitter blade assemblies have a splitting blade and two or more first forming blades. One forming blade is disposed to the right of and one forming blade is disposed to the left of the first splitting blade. …

Legal parties

Party
Inventors (applicants): David M. LaCroix
Assignees (initial): Keystone Retaining Wall Systems LLC (West Chester, US)
Agents: Popovich, Wiles & O'Connell, P.A. (attorney)

The application was examined by Maurina Rachuba (USPTO dept. 3727)

Claims

  • 1. A block splitter assembly comprising first lower and second upper opposed splitter blade assemblies …
  • 2. The block splitter assembly of claim 1 , wherein the forming edges of the lower …
  • 3. The block splitter assembly of claim 1 , wherein the lower splitting blade and the upper …

Cited documents

Patents

  • Sekiguchi US 4114773 A, Sep. 1, 1978
  • Scherer et al. US 7004158 B2, Feb. 1, 2006
  • WO WO 2004/091879 A1, Oct. 1, 2004
  • Scherer et al. US 6886551 B2, May. 1, 2005
  • Scherer US 2008/0135035 A1, Jun. 1, 2008
  • Scherer US 7428900 B2, Sep. 1, 2008
  • Sievert US 6082057 A / 52/100, Jul. 1, 2000
  • Smith US 2925080 A, Feb. 1, 1960
  • Plaisted US 1004193 A, Sep. 1, 1911
  • Scherer US 2005/0268901 A1, Dec. 1, 2005
  • Karau et al. US 2008/0092870 A1 / 125/23.01, Apr. 1, 2008
  • Clanton et al. US 3392719 A, Jul. 1, 1968
  • Karau et al. US 2008/0096471 A1 / 451/41, Apr. 1, 2008
  • Entz US 2881753 A, Apr. 1, 1959
  • Sievert US 6050255 A / 125/23.01, Apr. 1, 2000
  • Sievert US 6029943 A, Feb. 1, 2000
  • Scherer US 2006/0054154 A1 / 125/23.01, Mar. 1, 2006
  • Scherer et al. US 6874494 B2, Apr. 1, 2005
  • GB 1 509 747 A, May. 1, 1978
  • Suto et al. US 2003/0089363 A1, May. 1, 2003
  • Sorheim US 2006/0027226 A1 / 125/23.01, Feb. 1, 2006
  • LaCroix US 8448634 B2 / 125/23.01, May. 1, 2013
  • Morrell US 6827073 B1 / 125/23.01, Dec. 1, 2004
  • Scherer et al. US 2004/0200468 A1, Oct. 1, 2004
  • EP 0 294 267 A1, Dec. 1, 1988
  • Scherer et al. US 2006/0169270 A1, Aug. 1, 2006
  • Scherer US 6964272 B2, Nov. 1, 2005
  • Scherer et al. US 2008/0047539 A1, Feb. 1, 2008
  • Scherer et al. US 6321740 B1, Nov. 1, 2001
  • Scherer US 7146974 B2, Dec. 1, 2006
  • Scherer et al. US 7066167 B2, Jun. 1, 2006
  • Gagnon et al. US 4250863 A, Feb. 1, 1981
  • Scherer US 6910474 B1, Jun. 1, 2005
  • Scherer et al. US 6918715 B2, Jul. 1, 2005
  • Sievert US 6178704 B1, Jan. 1, 2001
  • GB 924290 A, Apr. 1, 1963

Brief Description of the Several Views of the Drawing

FIG. 1 is an end view of a block splitter assembly of the invention positioned to split a workpiece. FIG. 2 is an end view of a first splitter blade …

Description

Field of the Invention

The invention relates generally to the manufacture of concrete wall blocks. More specifically, it relates to equipment and processes for the creation of faces on concrete wall blocks, especially a block …

Other Patent Relations

This application is a continuation of U.S. Ser. No. 13/887,844, filed May 6, 2013, which is a continuation of U.S. Ser. No. 13/185,618, filed Jul. 19, 2011, now U.S. Pat. …

Detailed Description of the Preferred Embodiments

The invention relates to the splitting of concrete wall block workpieces to create a more complex appearance to the faces of concrete retaining wall blocks that result from splitting the workpieces. …

More details about Block Splitter Assembly and Method of Producing Wall Blocks

Miscellaneous patent data

Developed by David M. LaCroix, the invention description is illustrated by 12 drawings, 21 claims comprise the protection scope, numbered 13/955,527 (application), was examined by Maurina Rachuba, the main examiner (3727 USPTO department), the drawings include the following: End view of a first, Exploded view of a portion, End view of a block, Block Splitter Assembly and Method, originally classified under Splitting, Shearing, and Punching, the assignee is a United States company, the patent particularly claims a block splitter assembly comprising first lower and second upper opposed…, the inventor's address - St. Paul, MN, the published inventor's name is David M. LaCroix, the applicant's state - MN, city - St. Paul, the applicant's name is David M. LaCroix, similar classification categories are provision for measuring, supporting or holding work, Saw blades, Traction rotated, Roller-type cutter, Contouring of grinding wheel face, Endless, planing, e.g. channeling by means of planing tools, Accessories specially adapted for use with machines or devices of the other groups of this subclass, cutting edge, the application publication date is Jul. 31, 2013, the invention is titled Block Splitter Assembly and Method of Producing Wall Blocks, the grant number is 08701648, the recorded agent's organization is Popovich, Wiles & O'Connell, P.A., the claim number 14 is selected as exemplary, the invention details are shown in 21 figures, the grant publication date is Apr. 22, 2014, the assignee location is West Chester (US); its organization is Keystone Retaining Wall Systems LLC.

Invention classification information

The invention is classified under by impact tools, e.g. by chisels or other tools having a cutting edge, Splitting, Shearing, and Punching. The designated search classifications include Splitting, Shearing, and Punching.

Patent details
Publication number 08701648
Publication date Apr. 22, 2014
Kind code B2
Application number 13/955,527
Application date Jul. 31, 2013
Application type U
Application series code 13
National classification 125/23.01
Total number of claims 21
Exemplary claims 14
Number of drawings 12
Number of figures 21
Terminal disclaimer
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