Rafter bracket
10358811 ยท 2019-07-23
Assignee
Inventors
Cpc classification
E04B2001/1993
FIXED CONSTRUCTIONS
E04B2001/199
FIXED CONSTRUCTIONS
E04B2001/1963
FIXED CONSTRUCTIONS
E04B7/045
FIXED CONSTRUCTIONS
International classification
Abstract
A rafter bracket configured to connect a vertical post to a rafter and beam(s) is described herein. The rafter bracket may include lower vertical side plates, a horizontal plate, and upper vertical side plates. The horizontal plate may be perpendicular to the upper and lower vertical side plates and may separate the upper vertical side plates from the lower vertical side plates. The horizontal plate and lower vertical side plates may create a lower cavity that receives the vertical post. Meanwhile, the rafter may be positioned on one of the upper vertical side plates and positioned between two of the upper vertical side plates and may be angled at an acute angle relative to the vertical post as well as the upper and lower vertical side plates. One or more of the lower vertical side plates may receive lateral plates that define a lateral cavity receiving the beam.
Claims
1. A rafter bracket configured to connect a vertical post of a building to a rafter of the building, the rafter bracket comprising: a first lower vertical side plate comprising at least one first lower vertical side plate fastener aperture, a first lower vertical side plate top, a first lower vertical side plate bottom, a first lower vertical side plate height extending from the first lower vertical side plate top to the first lower vertical side plate bottom, a first lower vertical side plate first end, a first lower vertical side plate second end opposite the first end, and a first lower vertical side plate width extending from the first lower vertical side plate first end to the first lower vertical side plate second end and substantially perpendicular to the first lower vertical side plate height; a second lower vertical side plate opposite the first lower vertical side plate and extending substantially parallel to the first lower vertical side plate, the second lower vertical side plate comprising at least one second lower vertical side plate fastener aperture, a second lower vertical side plate top, a second lower vertical side plate bottom, a second lower vertical side plate height extending from the second lower vertical side plate top to the second lower vertical side plate bottom and substantially parallel to the first lower vertical side plate height, a second lower vertical side plate first end, a second lower vertical side plate second end opposite the first end, and a second lower vertical side plate width extending from the second lower vertical side plate first end to the second lower vertical side plate second end and substantially perpendicular to the first lower vertical side plate height; a horizontal plate connected to at least one of the first and second lower vertical side plates, the horizontal plate located above the first and second lower vertical side plate bottoms, the horizontal plate extending substantially perpendicular to the first and second lower vertical side plate heights, the horizontal plate comprising a horizontal plate first end, a horizontal plate second end, a horizontal plate width extending from the horizontal plate first end to the horizontal plate second end and substantially parallel to the first lower vertical side plate width and second lower vertical side plate width, a horizontal plate proximal end, a horizontal plate distal end, and a horizontal plate length extending from the horizontal plate proximal end to the horizontal plate distal end and substantially perpendicular to the horizontal plate width; a lower cavity defined by the first and second lower vertical side plates; at least one upper brace plate resting on the horizontal plate and comprising a brace plate top above the first and second lower vertical side plate tops and above the horizontal plate, a brace plate bottom extending from the horizontal plate, a brace plate height extending from the brace plate top to the brace plate bottom and substantially parallel to the first and second lower vertical side plate heights, a brace plate first end, a brace plate second end, and a brace plate length extending from the brace plate first end to the brace plate second end and approximately perpendicular to the brace plate height; an upper plate resting on the brace plate top, the upper plate oriented at an angle greater than 1 degrees and less than 90 degrees relative to the horizontal plate, the upper plate comprising a bottom surface facing the horizontal plate and a top surface opposite the bottom surface; wherein the upper plate comprises at least one fastener aperture extending from the upper plate top surface to the upper plate bottom surface, wherein the first lower vertical side plate and second lower vertical side plate are separated a first distance, the first distance substantially constant along the first lower vertical side plate and second lower vertical side plate widths and substantially parallel to the horizontal plate length, wherein the vertical post of the building is positioned between the first and second lower vertical side plates in the lower cavity, wherein the rafter of the building is positioned on the upper plate top surface, wherein at least one upper fastener is positioned through an upper plate fastener aperture and into the rafter, wherein at least one lower fastener is positioned through a fastener aperture of the first lower vertical side plate and into the vertical post, and further wherein the rafter extends upwardly at an acute angle relative to the horizontal plate from the brace plate first end to the brace plate second end.
2. The rafter bracket of claim 1 wherein the at least one upper brace plate tapers in increasing height from the brace plate first end to the brace plate second end.
3. The rafter bracket of claim 2 wherein the at least one upper brace plate is substantially triangular in shape.
4. The rafter bracket of claim 1 wherein the at least one lower fastener is positioned through a fastener aperture of the first lower vertical side plate, through the vertical post and then through a fastener aperture of the second lower vertical side plate.
5. The rafter bracket of claim 1 wherein the upper plate bottom surface is located above the horizontal plate.
6. The rafter bracket of claim 1 wherein the rafter bracket comprises two identically shaped and sized upper brace plates separated by a space and oriented substantially parallel to each other.
7. The rafter bracket of claim 1 wherein the upper plate is oriented at an angle of between about 5 degrees and about 60 degrees relative to the horizontal plate.
8. The rafter bracket of claim 1 wherein the rafter bracket further comprises: a third lower vertical side plate extending substantially perpendicular to the first and second lower vertical side plates and comprising a third lower vertical side plate top, a third lower vertical side plate bottom, a third lower vertical side plate height extending from the third lower vertical side plate top to the third lower vertical side plate bottom and substantially parallel to the first and second lower vertical side plate heights, a third lower vertical side plate proximal end, a third lower vertical side plate distal end, and a third lower vertical side plate length extending from the third lower vertical side plate proximal end to the third lower vertical side plate distal end and substantially perpendicular to the first and second lower vertical side plate widths; and a fourth lower vertical side plate opposite the third lower vertical side plate, extending substantially parallel to the third lower vertical side plate and extending substantially perpendicular to the first and second lower vertical side plates, the fourth lower vertical side plate comprising a fourth lower vertical side plate top, a fourth lower vertical side plate bottom, a fourth lower vertical side plate height extending from the fourth lower vertical side plate top to the fourth lower vertical side plate bottom and substantially parallel to the first, second and third lower vertical side plate heights, a fourth lower vertical side plate proximal end, a fourth lower vertical side plate distal end, and a fourth lower vertical side plate length extending from the fourth lower vertical side plate proximal end to the fourth lower vertical side plate distal end and substantially parallel to the third lower vertical side plate length, wherein the vertical post of the building is positioned between the third and fourth lower vertical side plates in the lower cavity, wherein the third lower vertical side plate and fourth lower vertical side plate are separated a distance that is substantially constant along the third lower vertical side plate and fourth lower vertical side plate lengths and substantially parallel to the horizontal plate width.
9. The rafter bracket of claim 8 wherein the at least one upper brace plate top is located above the third and fourth lower vertical side plate tops.
10. The rafter bracket of claim 8 wherein the horizontal plate is connected to the third and fourth lower vertical side plates, wherein the horizontal plate is located above the third and fourth lower vertical side plate bottoms, and further wherein the horizontal plate extends substantially perpendicular to the third and fourth lower vertical side plate heights.
11. The rafter bracket of claim 8 wherein the third and fourth lower vertical side plates each comprise a plurality of aligned fastener apertures and further wherein all fastener apertures of the first and second lower vertical side plates are vertically offset from the fastener apertures of the third and fourth lower vertical side plates.
12. The rafter bracket of claim 8 wherein at least one of the first, second, third and fourth lower vertical side plates comprise a plurality of lateral plates extending laterally away from the respective lower vertical side plate and lower cavity and defining a lateral cavity, wherein a beam of the building is located in the lateral cavity, wherein at least one of the plurality of lateral plates comprises a fastener aperture, and further wherein a fastener is positioned through the lateral plate fastener aperture and into the beam.
13. The rafter bracket of claim 12 wherein the lateral cavity has an open top and the plurality of lateral plates border the beam on two sides and a bottom of the lateral cavity.
14. The rafter bracket of claim 12 wherein the plurality of lateral plates comprise first and second side lateral plates, the first and second side lateral plates oriented substantially parallel to each other and defining opposite sides of the lateral cavity and bordering the beam on two sides, each of the first and second side lateral plates having a height substantially parallel to the first and second lower vertical side plate heights, and further wherein the respective first, second, third or fourth lower vertical side plate comprising the plurality of lateral plates border the beam on another side.
15. The rafter bracket of claim 14 wherein the plurality of lateral plates further comprise a bottom lateral plate bordering the beam on a bottom of the lateral cavity and further wherein the bottom lateral plate is substantially parallel to the horizontal plate.
16. The rafter bracket of claim 15 wherein the plurality of lateral plates are not directly attached to each other.
17. The rafter bracket of claim 15 further comprising a substantially triangular brace located below the bottom lateral plate and attached to both the bottom lateral plate and the respective lower vertical side plate comprising the plurality of lateral plates.
18. The rafter bracket of claim 15 wherein each of the plurality of lateral plates comprise a lateral plate fastener aperture and further wherein fasteners are positioned through the lateral plate fastener apertures and into the beam.
19. The rafter bracket of claim 12 wherein a plurality of the first, second, third and fourth lower vertical side plates each comprise a respective said plurality of lateral plates extending laterally away from the respective lower vertical side plate and lower cavity and creating a respective said lateral cavity, wherein a respective said beam is located in each lateral cavity and further wherein, for each the first, second, third and fourth lower vertical side plate comprising the respective plurality of lateral plates, at least one of the plurality of lateral plates comprises a fastener aperture, and further wherein a fastener is positioned through at least one lateral plate fastener aperture and into the respective beam.
20. The rafter bracket of claim 12 further comprising a brace extending between and attached to the respective lateral plate of one of the first, second, third and fourth lower vertical side plates and a lateral plate of another of the first, second, third and fourth lower vertical side plates.
21. The rafter bracket of claim 12 wherein the beam and the vertical post are located directly below the rafter and further wherein the beam and rafter are located in the same plane.
22. The rafter bracket of claim 12 wherein the vertical post comprises a vertical post top end located in the lower cavity, a vertical post bottom end, a vertical post height extending from the vertical post top end to the vertical post bottom end and substantially parallel to the first and second lower vertical side plate heights, wherein the rafter comprises a rafter first end, a rafter second end, and a rafter length extending from the rafter first end to the rafter second end, and further wherein the rafter length is angled relative to the vertical post height and the first and second lower vertical side plate heights at an angle less than 60 degrees, and further wherein the beam is substantially perpendicular to the vertical post.
23. A rafter bracket configured to connect a vertical post of a building to a rafter of the building, the rafter bracket comprising: a first lower vertical side plate comprising a first lower vertical side plate top, a first lower vertical side plate bottom, a first lower vertical side plate height extending from the first lower vertical side plate top to the first lower vertical side plate bottom, a first lower vertical side plate first end, a first lower vertical side plate second end opposite the first end, and a first lower vertical side plate width extending from the first lower vertical side plate first end to the first lower vertical side plate second end and substantially perpendicular to the first lower vertical side plate height; a second lower vertical side plate opposite the first lower vertical side plate and extending substantially parallel to the first lower vertical side plate, the second lower vertical side plate comprising a second lower vertical side plate top, a second lower vertical side plate bottom, a second lower vertical side plate height extending from the second lower vertical side plate top to the second lower vertical side plate bottom and substantially parallel to the first lower vertical side plate height, a second lower vertical side plate first end, a second lower vertical side plate second end opposite the first end, and a second lower vertical side plate width extending from the second lower vertical side plate first end to the second lower vertical side plate second end and substantially perpendicular to the first lower vertical side plate height; a third lower vertical side plate extending substantially perpendicular to the first and second lower vertical side plates and comprising a third lower vertical side plate top, a third lower vertical side plate bottom, a third lower vertical side plate height extending from the third lower vertical side plate top to the third lower vertical side plate bottom and substantially parallel to the first and second lower vertical side plate heights, a third lower vertical side plate proximal end, a third lower vertical side plate distal end, and a third lower vertical side plate length extending from the third lower vertical side plate proximal end to the third lower vertical side plate distal end and substantially perpendicular to the first and second lower vertical side plate widths; a fourth lower vertical side plate opposite the third lower vertical side plate, extending substantially parallel to the third lower vertical side plate and extending substantially perpendicular to the first and second lower vertical side plates, the fourth lower vertical side plate comprising a fourth lower vertical side plate top, a fourth lower vertical side plate bottom, a fourth lower vertical side plate height extending from the fourth lower vertical side plate top to the fourth lower vertical side plate bottom and substantially parallel to the first, second and third lower vertical side plate heights, a fourth lower vertical side plate proximal end, a fourth lower vertical side plate distal end, and a fourth lower vertical side plate length extending from the fourth lower vertical side plate proximal end to the fourth lower vertical side plate distal end and substantially parallel to the third lower vertical side plate length; a horizontal plate connected to at least one of the first, second, third and fourth lower vertical side plates, the horizontal plate located above the first, second, third and fourth lower vertical side plate bottoms, the horizontal plate extending substantially perpendicular to the first, second, third, and fourth lower vertical side plate heights, the horizontal plate comprising a horizontal plate first end, a horizontal plate second end, a horizontal plate width extending from the horizontal plate first end to the horizontal plate second end and substantially parallel to the first lower vertical side plate width and second lower vertical side plate width, a horizontal plate proximal end, a horizontal plate distal end, and a horizontal plate length extending from the horizontal plate proximal end to the horizontal plate distal end and substantially perpendicular to the horizontal plate width; a lower cavity defined by the first, second, third and fourth lower vertical side plates; at least one upper brace plate comprising a brace plate top above the first, second, third and fourth lower vertical side plate tops and above the horizontal plate, a brace plate bottom extending from the horizontal plate, a brace plate height extending from the brace plate top to the brace plate bottom and substantially parallel to the first and second lower vertical side plate heights, a brace plate first end, a brace plate second end, and a brace plate length extending from the brace plate first end to the brace plate second end and approximately perpendicular to the brace plate height; an upper plate resting on the brace plate top, the upper plate oriented at an angle of greater than 1 degrees and less than 90 degrees relative to the horizontal plate, the upper plate comprising a bottom surface facing the horizontal plate and a top surface opposite the bottom surface; wherein the upper plate comprises at least one fastener aperture extending from the upper plate top surface to the upper plate bottom surface, wherein the first lower vertical side plate and second lower vertical side plate are separated a first distance, the first distance substantially constant along the first lower vertical side plate and second lower vertical side plate widths and substantially parallel to the horizontal plate length, wherein the vertical post of the building is configured to be positioned between the first, second, third and fourth lower vertical side plate in the lower cavity, wherein the rafter of the building is configured to be positioned on the upper plate top surface.
24. The rafter bracket of claim 23 wherein the at least one upper brace plate tapers in increasing height from the first end to the second end and is substantially triangular in shape.
25. The rafter bracket of claim 23 wherein the rafter bracket comprises two identically shaped and sized upper brace plates separated by a space and oriented substantially parallel to each other.
26. The rafter bracket of claim 23 wherein at least one of the first, second, third and fourth lower vertical side plates comprise a plurality of lateral plates extending laterally away from the respective lower vertical side plate and lower cavity and forming a lateral cavity, wherein a beam of the building is configured to be positioned in the lateral cavity, wherein at least two of the plurality of lateral plates comprises at least one aligned fastener aperture, wherein the first lower vertical side plate comprises a plurality of first lower vertical side plate fastener apertures, wherein the second lower vertical side plate comprises a plurality of second lower vertical side plate fastener apertures aligned with the first lower vertical side plate fastener apertures.
27. The rafter bracket of claim 23 wherein the upper plate bottom surface is located above the horizontal plate.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
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DETAILED DESCRIPTION
(40) With reference to
(41) As shown in
(42) As best seen in
(43) Optionally, purlins 11 extend between the rafters 16 and run the length of the building 10.
(44) Preferably the vertical post 12 is located directly below the rafter 16 as shown in
(45) The first, second, and third upper vertical side plates 92, 108, 124, the horizontal plate 52 and the first, second, third and fourth lower vertical side plates 20, 36, 66, 78 may be discrete metal plates that are welded together. Alternatively, two or more of the first, second, and third upper vertical side plates 92, 108, 124, the horizontal plate 52 and the first, second, third and fourth lower vertical side plates 20, 36, 66, 78 may be integrally attached to each other, in the case of, for example, a rafter bracket 10 that is plastic and made by injection molding. The plates 20, 36, 66, 78, 92, 108, 124 and 52, especially the surfaces of the horizontal plate 52 and the first, second, third and fourth lower vertical side plates 20, 36, 66, 78 that face the vertical post 16 and the surfaces of the first and second upper vertical side plate 92 and 108 that face the rafter 16, are preferably flat so that they can rest against the vertical post 12 and rafter 16, which may be made out of wood.
(46) Optionally, as labelled in
(47) Optionally, the vertical post 12, which may be a wall stud, comprises a vertical post 12 top end 154 located in the lower cavity 90, a vertical post bottom end 158, a vertical post height 152 extending from the vertical post top end 154 to the vertical post bottom end 158 and generally parallel to the first and second lower vertical side plate heights 28, 44 and the first and second upper vertical side plate heights 100, 116, wherein the rafter 16 comprises a rafter first end 144, a rafter second end 146, and a rafter length 148 extending from the rafter first end 144 to the rafter second end 146, and further wherein the rafter length 148 is angled relative to the vertical post height 152 and the first and second upper vertical side plate heights 28, 44 at an angle 142 less than 60 degrees.
(48) Optionally, in some embodiments, as best seen in
(49) Optionally, as best seen in
(50) Optionally, as best seen in
(51) Optionally, as best seen in
(52) Optionally, as best seen in
(53) Optionally, as best seen in
(54) Optionally, as best seen in
(55) Optionally, as best seen in
(56) Optionally, as best seen in
(57) The Embodiments of
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(59) Optionally, the lateral cavity 164 has an open top, as best seen in
(60) Optionally, as best seen in
(61) Optionally, the bottom lateral plate(s) 166 are generally parallel to the horizontal plate 52, as best seen in
(62) Optionally, the plurality of lateral plates 162 and 166 are not directly attached to each other.
(63) Optionally, each of the plurality of lateral plates 162 and 166 comprise a lateral plate fastener aperture 170 and 174 and fasteners 150 are positioned through the lateral plate fastener apertures 170 and 174 and through the beam(s) 172.
(64) Optionally, a plurality of the first, second, third and fourth lower vertical side plates 20, 36, 66, and 78 each comprise a plurality of lateral plates 162 and 166 extending laterally away from the respective lower vertical side plate 20, 36, 66, and 78 and lower cavity 90 and creating a lateral cavity 164, wherein a beam 172 is located in each lateral cavity 164 and further wherein, for each the first, second, third and fourth lower vertical side plate 20, 36, 66, and 78 comprising a plurality of lateral plates 162 and 166, at least one of the plurality of lateral plates 162 and 166 comprises a fastener aperture 170 and 174, and a fastener 150 is positioned through at least one lateral plate fastener aperture 170 and 174 and through a beam 172.
(65) Optionally, the rafter bracket 10 further includes a brace 168 extending between and attached to a side lateral plate 162 of one of the first, second, third and fourth lower vertical side plates 20, 36, 66, and 78 and a side lateral plate 162 of another of the first, second, third and fourth lower vertical side plates 20, 36, 66, and 78, as best seen in
(66) Optionally, the third upper vertical side plate 124 is adjacent to the first and second upper vertical side plate first ends 102 and 118, and the rafter 16 extends upwardly at an acute angle relative to the first and second upper vertical side plate heights 100 and 116 from the first and second upper vertical side plate second ends 104 and 120 to the first and second upper vertical side plate first ends 102 and 118.
(67) Optionally, one of the beams 172 and the vertical post 12 are located directly below the rafter 16, as best seen in
(68) Optionally, the rafter bracket 10 is open opposite the third upper vertical side plate 124 and one of the lateral cavities 164 is located below and adjacent to the third upper vertical side plate 124, as best seen in
(69) Optionally, one of the beams 172 and the rafter 16 are located in the same plane, as shown in
(70) Optionally, the vertical post 12 comprises a vertical post top end 154 located in the lower cavity 90, a vertical post bottom end 158, a vertical post height 152 extending from the vertical post top end 154 to the vertical post bottom end 158 and generally parallel to the first and second lower vertical side plate heights 28 and 44 and the first and second upper vertical side plate heights 100 and 116, the rafter 16 comprises a rafter first end 144, a rafter second end 146, and a rafter length 148 extending from the rafter first end 144 to the rafter second end 146, and the rafter length 148 is angled relative to the vertical post height 152 and the first and second upper vertical side plate heights 100 and 116 at an angle less than 60 degrees, and the beam 160 is generally perpendicular to the vertical post 12.
(71) Optionally, the first and second upper vertical side plates 92 and 108 are oriented approximately 90 degrees relative to the first and second lower vertical side plates 20 and 36, and the third upper vertical side plate 124 is oriented approximately 90 degrees relative to the third and fourth lower vertical side plates 66 and 78 and the first or second lower vertical side plate 20 or 36 comprise the plurality of lateral plates 162 and 166.
(72) Optionally, the third upper vertical side plate top 126 extends between the first and second upper vertical side plates 92 and 108 and is generally flat as it extends between the first and second upper vertical side plates 92 and 108.
(73) Optionally, the lower cavity 90 and the lateral cavity 164 are generally rectangular in shape.
(74) Optionally, the vertical post 12 is a wall stud of the building 14.
(75) Optionally, the rafter 16 is also positioned on the horizontal plate 52.
(76) Optionally, the lateral cavity 164 is configured to allow a beam 172 to extend generally perpendicular to the first, second, third and fourth lower vertical side plate heights 28, 44, 71, and 83.
(77) It will be understood that the building 14 will generally include a plurality of rafters 14, vertical posts 12 and beams 172, as shown in
(78) The Embodiments of
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(80) More particularly, in the embodiments of
(81) As compared to
(82) TABLE-US-00001 Part List rafter bracket 10 purlin 11 vertical post/stud 12 building 14 rafter 16 roof 18 first lower vertical side plate 20 first lower vertical side plate fastener hole 22 first lower vertical side plate top 24 first lower vertical side plate bottom 26 first lower vertical side plate height 28 first lower vertical side plate first end 30 first lower vertical side plate second end 32 first lower vertical side plate width 34 second lower vertical side plate 36 second lower vertical side plate fastener 38 hole second lower vertical side plate top 40 second lower vertical side plate bottom 42 second lower vertical side plate height 44 second lower vertical side plate first end 46 second lower vertical side plate second 48 end second lower vertical side plate width 50 horizontal plate 52 horizontal plate first end 54 horizontal plate second end 56 horizontal plate width 58 horizontal plate proximal end 60 horizontal plate distal end 62 horizontal plate length 64 third lower vertical side plate 66 third lower vertical side plate top 68 third lower vertical side plate fastener 69 hole third lower vertical side plate bottom 70 third lower vertical side plate height 71 third lower vertical side plate proximal 72 end third lower vertical side plate distal end 74 third lower vertical side plate length 76 fourth lower vertical side plate 78 fourth lower vertical side plate fastener 79 hole fourth lower vertical side plate top 80 fourth lower vertical side plate bottom 82 fourth lower vertical side plate height 83 fourth lower vertical side plate proximal 84 end fourth lower vertical side plate distal end 86 fourth lower vertical side plate length 88 lower cavity 90 first upper vertical side plate 92 first upper vertical side plate fastener hole 94 first upper vertical side plate top 96 first upper vertical side plate bottom 98 first upper vertical side plate height 100 first upper vertical side plate first end 102 first upper vertical side plate second end 104 first upper vertical side plate length 106 second upper vertical side plate 108 second upper vertical side plate fastener 110 hole second upper vertical side plate top 112 second upper vertical side plate bottom 114 second upper vertical side plate height 116 second upper vertical side plate first end 118 second upper vertical side plate second 120 end second upper vertical side plate length 122 third upper vertical side plate 124 third upper vertical side plate top 126 third upper vertical side plate bottom 128 third upper vertical side plate first end 130 third upper vertical side plate second end 132 third upper vertical side plate length 134 third upper vertical side plate height 135 upper cavity 136 first distance 138 second distance 140 angle 142 rafter first end 144 rafter second end 146 rafter length 148 fasteners 150 vertical post height 152 vertical post top end 154 vertical post bottom end 158 beam 160 side lateral plate 162 lateral cavity 164 bottom lateral plate 166 brace 168 side lateral plate fastener apertures 170 beam 172 bottom lateral plate fastener aperture 174 upper brace plate 176 Brace plate top 178 Brace plate bottom 180 Brace plate height 182 Brace plate first end 184 Brace plate second end 186 Brace plate length 188 Upper plate 190 Angle 192 Upper plate bottom surface 194 Upper plate top surface 196 Upper plate thickness 198 Upper plate fastener aperture 200 Upper plate fastener 202 Distance between upper brace plates 204 Space 206 Distance between third and fourth lower 208 vertical plates
(83) Having now described the invention in accordance with the requirements of the patent statutes, those skilled in the art will understand how to make changes and modifications to the disclosed embodiments to meet their specific requirements or conditions. Changes and modifications may be made without departing from the scope and spirit of the invention. In addition, the steps of any method described herein may be performed in any suitable order and steps may be performed simultaneously if needed.
(84) Terms of degree such as generally, substantially, about and approximately as used herein mean a reasonable amount of deviation of the modified term such that the end result is not significantly changed. For example, these terms can be construed as including a deviation of at least 5% of the modified term if this deviation would not negate the meaning of the word it modifies.