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US2732706A
US2732706A US2732706DA US2732706A US 2732706 A US2732706 A US 2732706A US 2732706D A US2732706D A US 2732706DA US 2732706 A US2732706 A US 2732706A
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blocks
block
face
grooves
projections
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04Walls having neither cavities between, nor in, the solid elements
    • E04B2/06Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • E04B2/08Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04Walls having neither cavities between, nor in, the solid elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202Details of connections
    • E04B2002/0243Separate connectors or inserts, e.g. pegs, pins or keys
    • E04B2002/0247Strips or bars

Description

Jan. 31, 1956 H. FRIEDMAN INTERLOCKING PRE-CAST BUILDING BLOCKS Filed Aug. 23, 1952 INVENTOR.

HERMAN FRIEDMAN INTERLOCKING PRE-CAST BUILDING BLOCKS Herman FriedmamHollywood, Fla. Application August 23, 1952, Serial No. 305,985 2 Claims. (CI. 72-38) This invention relates to new in interlocking building blocks.

More particularly, the present invention proposes the construction of an improved building block which can be economically pre-cast of concrete and laid without mortar or cement one block on another without staggering and which when so laid can be interlocked block by block by the mere driving in of an interlocking wedge.

Another object of the present invention proposes forming the building blocks with deep spaced recesses and projections having grooves adapted to receive an interlocking wedge or key and a plurality of mating male plugs and female sockets on the blocks so thatthe blocks can be secured interlocked.

Still further, the present invention proposes constructand useful improvements ing the building blocks so that when laid one upon the n other they will fit together in such a way as to provide a maximumof strength to the wall surface formed of such blocks.

As a further object, the present invention proposes arranging the interlocking wedge or key receiving grooves at the sides of the blocks so that wedges can be driven conveniently as the blocks are laid and the exterior appearance of the blocks will not be changed or marred.

The present invention further proposes a novel arangement of the building block structure which can be used either in straight or flush blocks or in siding blocks.

For further comprehension of the invention and of the objects and advantages thereof, reference will be had to the following description and accompanying drawings, and to the appended claims in which the various novel features of the invention are more particularly set forth.

In the accompanying drawings forming a material part of this disclosure:

Fig. l is a perspective view of two building blocks constructed and arranged and fastened together in accordance with the present invention.

Fig. 2 is a sectional view taken on line 22 of Fig. 1.

Fig. 3 is a perspective view of the locking wedge or key shown in Fig. 1 and Fig. 2.

Fig. 4 is a view similar to Fig. 3 but showing a modified form of the wedge.

Fig. 5 is a perspective view of a single block illustrating a modification of the present invention.

Fig. 6 is a view similar to Fig. 2 but illustrating a further modification of the present invention.

The building blocks, in accordance with the first form of the invention illustrated in Figs. 1 and 2, is shown with two blocks in interlocked position and locked together by locking wedges or keys 16.

Blocks 15 may be made of any material but are particularly adapted to be pre-cast easily and economically of concrete. Each block is generally rectangular in shape having exterior facing sides 17 and 18 and interior ends or sides 19 and 20 which abut the adjacent blocks and are thereby concealed as a line or wall of blocks are laid.

2 Each block 15 has an upper face 21 and a lower face 22 with upstanding projections or projection tongues .23 extending from the upper face 21 and corresponding recesses 24 in the lower face 22 to receive the projections 23 of the block below.

In addition, a plurality of spaced openings or female sockets 25' are formed in the upper face 21 of each block and mating male plugs 26 correspondingly spaced extended from the lower face 22 of each block. When one block is laid on top of another, as shown in Figs. 1 and 2, the male plugs 26 of the upper blocks are seated in the spaced openings or female sockets 25 in the upper face 21 of the lower block and the upstanding projections 23 extending from the upper face of the lower block are seated in the corresponding recesses 24 in the lower face 22 of the upper block. The blocks fit tightly together with no space left for mortar or cement, which is unnecessary in the laying of these blocks. Likewise it is not necessary to stagger the blocks, they can be laid one upon the other, although they may be staggered if desired, as is apparent from Figs. 1 and 2.

Locking grooves 27 are provided in the outwardly facing sides 28 of the upstanding projections 23 on each block and corresponding locking grooves 29 are formed in the inwardly facing side walls 30 in the recesses 24 in the lower face 22 of each block. When the blocks are laid one on the other and the projections 23 are seated in the recesses 24, the locking grooves 27 and 29 of each recess and projection seated therein are aligned to receive a locking wedge or key 16. The wedges or keys 16 are driven in the grooves 27 and 29 from the side as the blocks are laid.

The locking wedges or keys 16 are rectangular bars but a channel shaped locking wedge or key 31 as shown in Fig. 4 may be substituted to reduce material costs. The locking wedges when driven in extend laterally of the blocks holding the blocks together and reinforcing them laterally.

The modification illustrated in Fig. 5 is characterized by the provision of deep projection seating recesses 32 and shallower projections 33 further to reduce costs without substantially impairing the strength of the block.

Either plain, straight or flush blocks may be constructed and arranged in accordance with the present invention or siding blocks such as block 34 shown in Fig. 6. The modification of the present invention illustrated in Fig. 6 is characterized by the provision of a block 35 having two oppositely disposed faces 36 and 37 and a pair of spaced projections 38 and 39 extending substantially above one of the faces, the upwardly disposed face 26. A pair of corresponding spaced recesses 40 and 41 are provided in the face 37 and a keyway groove 42 is formed in the like sides 43 and 44 of each of the projections 38 and 39 respectively. The grooves 42 extend lengthwise of the projections and substantially parallel to the faces 36 and 37. Keyway grooves 45, preferably like grooves 42 are provided in the sidewalls 46 and 47 of the recesses 40 and 41 respectively, these sidewalls 46 and 47 corresponding to the grooved sides 43 and 44 of the projections 38 and 39.

In addition, face 36 of block 35 is provided with a plurality of spaced female sockets 49.

The upper siding block 34 shown in Fig. 6 has a pair of projection seating recesses 50 in its lower face 51 and keyway grooves 52 in sidewalls 53 and 54 of these recesses. The keyway grooves 52 align with grooves 42 in the projections on block 35 and a key 55 is driven in each set of aligning grooves to lock the blocks together, the blocks being held in alignment by male plugs 56 extending from the lower face 51 of block 35 into the female sockets 49 on block 35.

While I have illustrated and described the preferred embodiments of my invention, it is to be understood that I do not limit myself to the precise constructions herein disclosed and the right is reserved to all changes and modifications coming within the scope of the invention as defined in the appendeed claims.

Having thus described my invention, what 1 claim as new and desire to secure by United States Letters Patent is:

1. A building block structure comprising two superposed blocks each having an upper face and a lower face, projections extending from the upper faces and recesses in the lower faces complemental to said projections, a locking keyway groove in one side of each projection disposed substantially parallel to said faces, and a keyway groove in one sidewall of each recess complemental to the keyway groove in each projection, the projections on the upper face of the lower block being seated in the recesses in the lower face of the upper block and the keyway groove in each recess sidewall aligned with the keyway groove in the projection seated therein, and a locking key in the aligned grooves locking the blocks together, the lower face of each of said blocks also having a plurality of spaced male plugs perpendicular to said grooves and the upper face of each block having a plurality of like spaced female sockets, the male plugs on the upper block being seated in the female sockets in the lower block to provide an interlock between the blocks.

2. A building block structure comprising two superposed blocks, each having a square body having top,

bottom and side face portions, vertical longitudinal projections extending upwardly from the top face portion and extending from end to end thereof, said projections being spaced inwardly from the side face portions thereof and having horizontally disposed key grooves in their sides extending the length of the projections, said body having vertical grooves in the bottom face portion thereof corresponding in depth and width to the height and width of said projections, the walls of said latter grooves having horizontal key grooves midway the height thereof extending the length of said walls, said top face portion having spaced sockets intermediate the projections and outwardly thereof, and vertical plugs projecting from the bottom face portion and being shaped and spaced to correspond to the shape and spacing of the sockets in the top face portion, said key grooves being in aligned position in the superposed blocks, and key members in said aligned key grooves to prevent separation of the blocks, said top and bottom face portions when contacting in said superposed blocks concealing the plugs and sockets from view.

References Cited in the file of this patent UNITED STATES PATENTS 1,351,133 Scharwath Aug. 31, 1920 1,459,189 Swanson June 19, 1923 1,465,421 Clouser et al. Aug. 21, 1923 1,652,305 Frewen Dec. 13, 1927 1,667,160 Kleinfeldt Apr. 24, 1928 2,201,110 Makram May 14, 1940 2,460,330 Baccaro Feb. 1, 1949 FOREIGN PATENTS 11,608 Switzerland of 1896 493,210 France of 1919

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Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759003A (en) * 1971-12-23 1973-09-18 J Wilson Pinned joint
US5899038A (en) * 1997-04-22 1999-05-04 Mondo S.P.A. Laminated flooring, for example for sports facilities, a support formation and anchoring systems therefor
US5938050A (en) * 1996-02-14 1999-08-17 Hewlett-Packard Co. Guide rail having similarly sized ribs and shoulder
US6813113B1 (en) 1999-02-25 2004-11-02 Hewlett-Packard Development Company, L.P. Data cartridge import/export drawer having three-element, two-configuration slide
US6892498B1 (en) * 2001-12-05 2005-05-17 James D. Roman Interlocking construction system
US20060236642A1 (en) * 2005-03-30 2006-10-26 Valinge Aluminium Ab Mechanical locking system for panels and method of installing same
US20070068110A1 (en) * 2005-09-28 2007-03-29 Bing-Hong Liu Floor panel with coupling means and methods of making the same
US20080000186A1 (en) * 2004-10-22 2008-01-03 Valinge Innovation Ab Mechanical locking system for floor panels
US20080010937A1 (en) * 2006-07-14 2008-01-17 Valinge Innovation Ab Locking system comprising a combination lock for panels
US20080041008A1 (en) * 2002-04-03 2008-02-21 Valinge Innovation Ab Mechanical locking system for floorboards
US20080104921A1 (en) * 2006-07-11 2008-05-08 Valinge Innovation Ab Mechanical locking of floor panels with a flexible bristle tongue
US20080110125A1 (en) * 2006-11-15 2008-05-15 Valinge Innovation Ab Mechanical Locking Of Floor Panels With Vertical Folding
US20080134607A1 (en) * 2004-10-22 2008-06-12 Valinge Innovation Ab Mechanical Locking of Floor Panels With a Flexible Tongue
US20080134613A1 (en) * 2006-12-08 2008-06-12 Valinge Innovation Ab Mechanical Locking of Floor Panels
US20080263986A1 (en) * 2005-02-28 2008-10-30 Zipblocks, Llc Modular Blocks and Structures Made Therefrom
US20090133353A1 (en) * 2007-11-07 2009-05-28 Valinge Innovation Ab Mechanical Locking of Floor Panels with Vertical Snap Folding
US20090193748A1 (en) * 2008-01-31 2009-08-06 Valinge Innovation Belgium Bvba Mechanical locking of floor panels
US20090193741A1 (en) * 2006-06-02 2009-08-06 Mark Cappelle Floor covering, floor element and method for manufacturing floor elements
US20100319291A1 (en) * 2008-05-15 2010-12-23 Valinge Innovation Ab Mechanical locking of floor panels
US20110030303A1 (en) * 2008-01-31 2011-02-10 Valinge Innovation Belguim BVBA Mechanical locking of floor panels, methods to install and uninstall panels, a method and an equipement to produce the locking system, a method to connect a displaceable tongue to a panel and a tongue blank
US7930862B2 (en) 2006-01-12 2011-04-26 Valinge Innovation Ab Floorboards having a resilent surface layer with a decorative groove
US20110225922A1 (en) * 2010-02-04 2011-09-22 Valinge Innovation Ab Mechanical locking system for floor panels
US8499521B2 (en) 2007-11-07 2013-08-06 Valinge Innovation Ab Mechanical locking of floor panels with vertical snap folding and an installation method to connect such panels
US8544230B2 (en) 2010-01-12 2013-10-01 Valinge Innovation Ab Mechanical locking system for floor panels
US8572922B2 (en) 2011-07-05 2013-11-05 Valinge Flooring Technology Ab Mechanical locking of floor panels with a glued tongue
US8596013B2 (en) 2012-04-04 2013-12-03 Valinge Innovation Ab Building panel with a mechanical locking system
US8650826B2 (en) 2011-07-19 2014-02-18 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8713886B2 (en) 2009-01-30 2014-05-06 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US8733065B2 (en) 2005-05-20 2014-05-27 Valinge Innovation Ab Mechanical locking system for floor panels
US8763340B2 (en) 2011-08-15 2014-07-01 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8769905B2 (en) 2011-08-15 2014-07-08 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8776473B2 (en) 2010-02-04 2014-07-15 Valinge Innovation Ab Mechanical locking system for floor panels
US8826622B2 (en) 2005-03-31 2014-09-09 Flooring Industries Limited, Sarl Floor panel having coupling parts allowing assembly with vertical motion
US20140290173A1 (en) * 2011-07-29 2014-10-02 Hamberger Industriewerke Gmbh Connection for elastic or panel-type components, profiled slide, and floor covering
US8857126B2 (en) 2011-08-15 2014-10-14 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8887468B2 (en) 2011-05-06 2014-11-18 Valinge Flooring Technology Ab Mechanical locking system for building panels
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
US9175703B2 (en) 2008-12-17 2015-11-03 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9216541B2 (en) 2012-04-04 2015-12-22 Valinge Innovation Ab Method for producing a mechanical locking system for building panels
US9260870B2 (en) 2014-03-24 2016-02-16 Ivc N.V. Set of mutually lockable panels
US9366036B2 (en) 2012-11-22 2016-06-14 Ceraloc Innovation Ab Mechanical locking system for floor panels
US9458634B2 (en) 2014-05-14 2016-10-04 Valinge Innovation Ab Building panel with a mechanical locking system
US9719542B2 (en) 2010-06-03 2017-08-01 Unilin, Bvba Composed element and corner connection applied herewith
US9725912B2 (en) 2011-07-11 2017-08-08 Ceraloc Innovation Ab Mechanical locking system for floor panels
US9890542B2 (en) 2006-06-02 2018-02-13 Flooring Industries Limited, Sarl Floor covering, floor element and method for manufacturing floor elements

Citations (8)

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FR493210A (en) * 1917-11-30 1919-08-02 Gustave Laurent insulating wall system demountable
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US1459189A (en) * 1919-03-13 1923-06-19 Guss A Swanson Building block
US1465421A (en) * 1921-04-12 1923-08-21 Harry E Clouser Tie for reenforced concrete construction
US1652305A (en) * 1926-04-12 1927-12-13 Frewen Edmond Joseph Method of constructing walls
US1667160A (en) * 1927-03-30 1928-04-24 Edward H Kleinfeldt Wall construction
US2201110A (en) * 1936-06-16 1940-05-14 Makram Latif Tewfik Brick or block
US2460330A (en) * 1944-05-08 1949-02-01 Frank P Baccaro Building block

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1351133A (en) * 1916-01-15 1920-08-31 John A Scharwath Insulating-conduit
FR493210A (en) * 1917-11-30 1919-08-02 Gustave Laurent insulating wall system demountable
US1459189A (en) * 1919-03-13 1923-06-19 Guss A Swanson Building block
US1465421A (en) * 1921-04-12 1923-08-21 Harry E Clouser Tie for reenforced concrete construction
US1652305A (en) * 1926-04-12 1927-12-13 Frewen Edmond Joseph Method of constructing walls
US1667160A (en) * 1927-03-30 1928-04-24 Edward H Kleinfeldt Wall construction
US2201110A (en) * 1936-06-16 1940-05-14 Makram Latif Tewfik Brick or block
US2460330A (en) * 1944-05-08 1949-02-01 Frank P Baccaro Building block

Cited By (128)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759003A (en) * 1971-12-23 1973-09-18 J Wilson Pinned joint
US5938050A (en) * 1996-02-14 1999-08-17 Hewlett-Packard Co. Guide rail having similarly sized ribs and shoulder
US5899038A (en) * 1997-04-22 1999-05-04 Mondo S.P.A. Laminated flooring, for example for sports facilities, a support formation and anchoring systems therefor
US6813113B1 (en) 1999-02-25 2004-11-02 Hewlett-Packard Development Company, L.P. Data cartridge import/export drawer having three-element, two-configuration slide
US6892498B1 (en) * 2001-12-05 2005-05-17 James D. Roman Interlocking construction system
US7841150B2 (en) 2002-04-03 2010-11-30 Valinge Innovation Ab Mechanical locking system for floorboards
US20080041008A1 (en) * 2002-04-03 2008-02-21 Valinge Innovation Ab Mechanical locking system for floorboards
US7841145B2 (en) 2004-10-22 2010-11-30 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US8181416B2 (en) 2004-10-22 2012-05-22 Valinge Innovation Ab Mechanical locking system for floor panels
US8341915B2 (en) 2004-10-22 2013-01-01 Valinge Innovation Ab Mechanical locking of floor panels with a flexible tongue
US8381477B2 (en) * 2004-10-22 2013-02-26 Valinge Innovation Ab Mechanical locking of floor panels with a flexible tongue
US20080000186A1 (en) * 2004-10-22 2008-01-03 Valinge Innovation Ab Mechanical locking system for floor panels
US20080066415A1 (en) * 2004-10-22 2008-03-20 Darko Pervan Mechanical locking system for panels and method of installing same
US8640424B2 (en) 2004-10-22 2014-02-04 Valinge Innovation Ab Mechanical locking system for floor panels
US20100319290A1 (en) * 2004-10-22 2010-12-23 Valinge Innovation Ab Mechanical locking system for floor panels
US20080134607A1 (en) * 2004-10-22 2008-06-12 Valinge Innovation Ab Mechanical Locking of Floor Panels With a Flexible Tongue
US8707650B2 (en) 2004-10-22 2014-04-29 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US20080134614A1 (en) * 2004-10-22 2008-06-12 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
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US9238917B2 (en) 2004-10-22 2016-01-19 Valinge Innovation Ab Mechanical locking system for floor panels
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US7802411B2 (en) 2004-10-22 2010-09-28 Valinge Innovation Ab Mechanical locking system for floor panels
US7980041B2 (en) 2004-10-22 2011-07-19 Valinge Innovation Ab Mechanical locking system for floor panels
US20080263986A1 (en) * 2005-02-28 2008-10-30 Zipblocks, Llc Modular Blocks and Structures Made Therefrom
US8079195B2 (en) * 2005-02-28 2011-12-20 Raymond Walter Cables Modular blocks and structures made therefrom
US7841144B2 (en) 2005-03-30 2010-11-30 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US8387327B2 (en) 2005-03-30 2013-03-05 Valinge Innovation Ab Mechanical locking system for floor panels
US7866110B2 (en) 2005-03-30 2011-01-11 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
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US20060236642A1 (en) * 2005-03-30 2006-10-26 Valinge Aluminium Ab Mechanical locking system for panels and method of installing same
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US20070068110A1 (en) * 2005-09-28 2007-03-29 Bing-Hong Liu Floor panel with coupling means and methods of making the same
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US20090193741A1 (en) * 2006-06-02 2009-08-06 Mark Cappelle Floor covering, floor element and method for manufacturing floor elements
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