US2903879A

US2903879A - Anchoring device for masonry building structures

Info

Publication number: US2903879A
Application number: US467741A
Authority: US
Inventors: Benjamin N Williams
Original assignee: Individual
Current assignee: Individual
Priority date: 1954-11-09
Filing date: 1954-11-09
Publication date: 1959-09-15
Anticipated expiration: 1976-09-15

Description

"'TZFF Sept. 15, 1959 B. N. WILLIAMS I 2,903,879

ANCHORING DEVICE FOR MASONRY BUILDING STRUCTURES 'Filed Nov. 9, 1954 I 7 k441i,

IN VENTOR BENJAMIN N. WILLIAMS BY fllwz, W,

7e ATTORNEY United States Patent AN CHORING DEVICE FOR MASONRY BUILDING STRUCTURES Benjamin N. Williams, Schenectady, N.Y.

Application November 9, 1954, Serial No. 467,741

3 Claims. c1. 72-101 This invention relates to anchoring devices for use in building construction, and more particularly to an anchoring device for anchoring structural members to a wall or foundation formed of masonry blocks, such as cement or cinder blocks.

One of the most exacting and time-consuming operations encountered in building construction is the problem of suitably anchoring non-masonry building elements to a masonry wall or foundation. This problem arises, for example, where a wooden sill member must be anchored to the upper surface of a concrete or cinder block foundation wall or where a roof cap or rafter must be secured to the upper surface of a masonry block wall.

The conventional method of attaching a wooden sill to the upper surface of a masonry foundation wall involves a number of time-consuming steps which include frequent handling of the heavy sill. Thus, bolts are secured by mortar to the upper surface of the final course of blocks. The heavy wooden sill is then positioned adjacent the mortared-in bolts and marked for drilling. The sill is then removed and drilled, afterwards being placed over the bolts and bolted down.

It is an object of this invention to provide a device for anchoring structural elements to a masonry foundation which will result in a considerable saving of time and labor as compared to conventional methods and apparatusused for the same purpose.

It is another object of this invention to provide a device for anchoring structural elements to a masonry foundation which may be easily and efliciently installed.

It is still another object of this invention to provide a device for anchoring structural elements, such as wood sills, to a masonry block foundation which reduces to a minimum the handling of the structural elements being attached to the foundation.

It is still another object of this invention to provide a device for anchoring structural elements to a masonry building wall or foundation which has great strength and holding ability in any direction of stress.

Still a further object of this invention is to provide a device for anchoring structural members to a masonry foundation which may be installed easily by either a skilled craftsman or by an amateur builder, and which does not require exactness of measurement for. its installation.

In achievement of these objectives, there is provided in accordance with an embodiment of this invention an anchoring device which includes a normally horizontally disposed anchor plate installed by the mason under the last course of foundation blocks and a pair of normally vertically disposed hook-on plates to be installed by the carpenter. The lower end of each vertical hook-on plate is adapted to detachably engage one of a pair of oppositely disposed bent hook portions of the anchor plate. The vertical hook-on plates are attached at their upper ends to the structural element being anchored, such as a wooden sill member.

Further objects and advantages of the invention will 2,903,879 Patented Sept. 15, 1959 ICE? become apparent from the following description taken in conjunction with the accompanying drawing in which:

Fig. l is a side elevation view of an anchoring device in accordance with the invention for use in anchoring a wooden box sill to a masonry block foundation, the side hook-on plates being detached from but ready for attachment to the box sill;

Fig. 2 is a View similar to Fig. l but with the hookon plates attached to the box sill in completely assembled relation;

Fig. 3 is a perspective view of the anchoring device of Figs. 1 and 2;

Fig. 4 is a fragmentary view in vertical section illustrating the details of the punched point-like projections which secure the hook-on plates to the box sill or other structural element; and

Fig. 5 is an enlarged view in vertical section illustrating the engagement of the anchor plate with one of the hook-on plates.

Referring now to the drawing, there is shown a masonry wall generally indicated at 10 including the final course '12 of masonry blocks which may be cinder blocks or cement blocks, for example. Final course 12 of the blocks is separated by mortar 14 from a lower course 16 of the blocks. The outside wall surface of the foundation wall is disposed at the right-hand side of the structure, with respect to the view shown in the drawing, while the inside Wall surface is disposed at the left-hand side of the structure. Disposed on the upper surface of final course 12 of the masonry blocks is a box sill generally indicated at 18 comprising a horizontal sill member 20 which rests directly on the top surface of the course 12 of masonry blocks and a vertical sill member 22 which rests on the upper surface of the horizontal sill member 20. The horizontal wooden sill member 20 may be of conventional size, being formed of two-inch by six-inch timber. The masonry blocks which form the wall 10 are also of conventional size and form a wall eight inches in thickness. At the outside edge of the wall structure horizontal sill member 20 is placed flush with the outside surface of the masonry blocks, with the result that the inside edge of horizontal sill member 20 is displaced approximately two inches from the inside edge of the masonry blocks.

The anchoring device generally indicated at 24 is intended to securely anchor the wooden box sill 18 to the masonry wall and comprises a normally horizontally disposed flat rectangular anchor plate member generally indicated at 26 having edges 28 which extend transversely, or from outside to inside, of wall 10 and edges 36 which extend lengthwise of wall 10.

Plate 26 is provided at each of its opposite edges 30 with a bent-down hook portion 32 which, in the embodi ment shown, is of smaller width than and centrally located with respect to end edge 30. Plate 26 is also provided with a number of spaced apertures 34 which permit passage of mortar through plate 26 when the plate is being installed. Anchor plate 26 is adapted for disposition between the final course 12 of masonry blocks and the course 16 disposed below course 12. The dimension of plate 26 between the oppositely-disposed edges 30 is sub stantially equal to the thickness of wall 10. The hooked portions 32 extend beyond the outer and inner surfaces of the wall when the anchor plate is in position, as shown in Figs. 1 and 2.

An outside hook-on plate generally indicated at 36 and an inside hook-on plate generally indicated at 38 detachably engage anchor plate 26. Anchor plate 22 and

hookon plates

36 and 38 are formed of a sheet metal plate of suitable strength, such as l6-gauge plate, for example.

The outside hook-on plate 36 is a generally rectangular-shaped member provided at its lower end with a slot 39 which engages the hook-on portion 32 disposed at one end of anchor plate 26. Adjacent its upper end, outside hook-on plate 36 is provided with a plurality of inwardly projecting punched points-40,-which-are-formed by punching out triangular areas ofmetal from the upper surface ofthe plate 36 and permitting the punched-out metal to remain attached to plate 36 along the upper edge of each triangle. Each of the triangular-shaped punched portions "are bent inwardly along their respective uncut edge portions to form a pointed projection which is adapted to engage the outside vertical surface of box sill 18. Outside hook-on plate 36 may also be provided adjacent its upper end with a plurality of apertures 42 through which suitable fastening means, such as nails, may extend into the box sill.

The inside hook-on plate 38 is formed of a generally rectangular plate member similar to hook-on plate 36, and provided at its lower end with a slot 39 which engages the hook-on portion 32 at the inside edge of anchor plate 26.

The inside hook-on plate 38 is provided with a vertical portion 44 which extends parallel to and in contact with the inside surface of the building wall 10. Plate 38 is bent inwardly at a height corresponding to the upper surface of the final course 12 of building blocks to form an inwardly bent portion 46' which, in the embodiment shown, is inclined at an 'angle somewhat less than 90 degrees from the portion 44. Plate 38 then is bent in an upward direction to provide a plate portion 48 which is adapted to be disposed in contact with the inner edge of the horizontal sill member '28. The plate is again bent inwardly to provide a horizontal plate portion 50 which is adapted to lie in contact with the upper horizontal surface of the sill member 20. Plate 38 is provided with inwardly extending pointed projections 40 similar to those described in connection with hook-on plate 24, the pointed projections of plate 38 lying in the

portions

48 and 50 of the plate. Apertures 42 for the reception of nails and other. similar fastening members may also be provided in the

portions

48 and 50 of hook-on plate 38.

The anchor assembly hereinbefore described is installed in the following manner:

The horizontal anchor plate 26 is installed by the mason and is laid in the mortar 14 above the course 16 of blocks with the hook-on portions 32 of the plate extending in a downward direction. The final course of blocks 12 is then positioned above anchor plate 26. The apertures 34 in the anchor plate permit the mortar to pass between the surfaces of the anchor plate, thereby providing an efiicient bond between the anchor plate and'the mortar and also permitting the mortar to join the masonry blocks in the normal manner. A plurality of anchor plates 26 may be disposed in any desired spaced relation along wall dependingupon the particular requirements of the structure being erected.

At the time of the installation of wooden box sill 18, the carpenter who is installing the box sill hooks the outer and inner hook-on

plates

36 and 38 to anchor plate 26 by engaging the slot 39 of each respective hook-on plate with one of the hook elements 32 of anchor plate 26, as best shown in Fig. l. The outside hook-on plate 36 is then rigidly secured to the box sill by hammering the pointed projections 40 into the outer surface of both the horizontal and vertical box sill members and 22. A suitable fastening means, such as nails, for example, may also be passed through the apertures 42 into the sill if desired. The inner hook-on plate 38 is also rigidly se cured to box sill 18 by hammering the pointed projections 40 of the portion 48 of hook-on plate 38 to the inner vertical edge of the horizontal box sill member 20 and by rigidly securing the pointed projections of portion 50 to the upper surface of the box sill'member 20. Nails or other suitable fastening. means may also be driven through the apertures. 42 of the portions 48 and 50.to additionally secure hook-onplate 38.to box sill-18.

Cir

It can be seen from the foregoing that there is pro 'vided in accordance with this invention a device which is of great utility for anchoring structural members to a masonry block foundation. The anchoring device of the invention is simple and economical to manufacture and can be sold at an inexpensive price. The anchoring device requires little or no skill for its installation and may be installed by an amateur builder as well as by a skilled craftsman. The device of the invention does not require highly accurate measurements for its installation as in the case of fastening means conventionally employed. The use of the anchoring device hereinbefore described results in great saving of time and labor and avoids a great deal of the handling of heavy timber necessary when conventional anchoring arrangements are used. The device of the invention can be used for anchoring sill members to a masonry foundation and also for securing roof caps and rafters to masonry block walls.

While there has been shown and described a particular embodiment of the invention, it will be obvious to those skilled in the art that various changes and modifications may be made therein without departing from the invention and, therefore, it is aimed to cover all such changes and modifications as fall within the true spirit and scope of the invention.

What I claim as my invention is:

1. A building construction comprising, in combination, a masonry wall having a plurality of courses, a nonmasonry structural member supported by said wall, an anchor plate horizontally disposed between a pair of adjacent courses of said wall, said anchor plate including oppositely disposed hooked end portions projecting beyond the inside and outside surfaces of said wall, a first hook-on plate vertically disposed adjacent an outside surface of said wall, said first hook-on plate engaging one of said hooked end portions of said anchor plate, a second hook-on plate vertically disposed adjacent the inside surface of said wall and engaging the other hooked end portion of said anchor plate, and integral projections adjacent the upper end of each of said first and said second hook-on plates, said projections penetrating opposite sides of said non-masonry structural member to secure said structural member in place with respect to said masonry wall.

2. In combination with a masonry wall having a wooden structural member positionel horizontally on top of said wall, an anchoring device for securing said wooden structural member in place on top of said masonry wall, said anchoring device comprising an anchor plate extending horizontally through said masonry wall and having one end portion projecting from one side of said masonry wall and an opposite end portion projecting from the other side of said masonry wall, a first securing plate extending upwardly from one of the projecting plates and along one side of said masonry wall, said first securing plate having a lower end portion detachably engaged with the projecting end portion of said anchor plate with which it is associated, a second securing plate extending upwardly from the other projecting end portion of said anchor plate and along the other side of said masonry wall, said second securing plate having a lower end portion detachably engaged with said other end projection of said anchor plate, and each of said securing plates having plural projections extending from the upper end portion of said securing plate, said projections being embedded in said wooden structural member to retain said member on top of said masonry wall.

3. For use in building construction to retain a wood sill on top of a masonry course, a knock-down metallic anchoring device comprising an anchor plate having oppositely disposed end tongues and adapted to be positioned'in a masonry joint so that the tongues extend beyond each side of the masonry wall, and a pair of securing plates each having a slot adjacent the bottom edge References Cited in the file of this patent UNITED STATES PATENTS 564,844 Rothenberger July 28, 1896 6 Wagner Mar. 4, 1913 Harp July 13, 1915 Walkwitz Sept. 28, 1926 Spreen May 15, 1928 McAtee Oct. 1, 1935 FOREIGN PATENTS Great Britain May 3, 1939