US20080134591A1 - Stackable Pedestal for Supporting Decking Elements - Google Patents
Stackable Pedestal for Supporting Decking Elements Download PDFInfo
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- US20080134591A1 US20080134591A1 US11/559,055 US55905506A US2008134591A1 US 20080134591 A1 US20080134591 A1 US 20080134591A1 US 55905506 A US55905506 A US 55905506A US 2008134591 A1 US2008134591 A1 US 2008134591A1
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- pedestal
- abutments
- base
- topside
- base plate
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/005—Supports for elevated load-supporting roof coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02177—Floor elements for use at a specific location
- E04F15/02183—Floor elements for use at a specific location for outdoor use, e.g. in decks, patios, terraces, verandas or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02044—Separate elements for fastening to an underlayer
- E04F2015/02105—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer
- E04F2015/02111—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer not adjustable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02044—Separate elements for fastening to an underlayer
- E04F2015/02105—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer
- E04F2015/02127—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer adjustable perpendicular to the underlayer
Definitions
- the present invention relates generally to systems and pedestals for constructing a traffic-bearing surface elevated from an underlying surface, and more particularly, the present invention relates to a stackable pedestal, such as a fixed height pedestal, and deck system using same.
- Decking systems can be used to construct terraces, pedestrian walkways, gardens, plaza decks, sun decks, balconies, patios or the like elevated from an underlying surface or structure. Such decking systems may be elevated for drainage or other purposes and can be constructed on horizontal as well as inclined underlying surfaces. For example, inclined roofs of many buildings are capable of supporting a traffic-bearing surface, or deck.
- fixed-height pedestals are disclosed in U.S. Pat. Nos. 5,442,882 and 6,604,330 B2 issued to Repasky.
- a fixed-height pedestal reference numeral 30
- a fixed-height pedestal reference numeral 68
- the fixed height pedestals have upstanding walls that define quadrants on which the corner portions of pavers or the like are supported. The upstanding walls engage the edges of the pavers to hold the pavers in a desired position and create desired uniform lateral spacing between adjacent pavers so that drainage gaps are provided.
- the above referenced fixed-height pedestals are stackable.
- the upstanding walls on a lower pedestal are received within downwardly-opening recesses formed on an underside of an upper pedestal. Accordingly, if the upper and lower pedestals are identical and of identical thickness, the height of the upstanding walls is limited to a height slightly less then the thickness of the fixed height pedestal body.
- the flat shims are of a thickness less than the thickness of the fixed height pedestal body and have openings permitting the shims to fit over the upstanding walls of the pedestal.
- the height, or thickness, of a fixed-height pedestal is about 0.625 inch (1.6 cm)
- flat shims with a thickness of 0.125 inch (0.3 cm) or 0.0625 inch (0.16 cm) may be added onto the pedestal to make fine adjustments to the total height of the pedestal assembly.
- the addition of the shims effectively reduces the height to which the upstanding walls extend above the upper surface of the pedestal assembly. Reducing the height of the upstanding wall of the pedestal assembly causes problems in that the pavers can be easily jostled out of proper position and alignment.
- the deck systems disclosed in the above referenced patents may be satisfactory for their intended purposes, there is a need for a stable, stackable pedestal for use in such systems.
- the system should ensure that the pedestal assembly retains the pavers, tiles, or other like decking elements in a desired position within a deck and should permit the height of the pedestal to be adjusted by stacking like pedestals together and by the addition of shims to the top of the pedestal assembly.
- the pedestals should be capable of efficient manufacture and installation.
- the present invention provides a pedestal matingly engagable with a like companion pedestal in vertically stacked relation to support corner portions of pavers, tiles, or like decking elements in edgewise juxtaposition above an underlying surface.
- the pedestal has a base, plate, or body, having a plurality of corner support portions.
- the base, plate, or body has a topside and a bottom side that define a predetermined thickness, or height, of the base, plate, or body.
- An abutment such as an upstanding wall, flange, post, or the like, projects upwardly from the topside a predetermined distance, or height, that is greater than or equal to the predetermined thickness of the base, plate, or body.
- An aperture such as a slot or the like, extends transversely through the base, plate, or body and is offset from the abutment. Accordingly, a like abutment of a companion pedestal can extend through the aperture of an upper stacked pedestal thereby permitting the pedestals to be stacked together in a stable manner.
- a deck system for forming an elevated surface.
- the deck system includes a plurality of pavers, tiles, or separate decking elements disposed in edgewise juxtaposition to form a deck.
- Each of the pavers, tiles or decking elements has corner portions, and the deck includes intersection areas in which the corner portions of adjacent pavers, tiles or decking elements are supported by pedestals positioned directly beneath the intersection areas.
- the pedestals support the corner portions a spaced distance above an underlying surface and include one or more fixed height base plates having a topside and a bottom side defining a predetermined fixed height therebetween.
- the base plate has abutments projecting upwardly from the topside a predetermined distance that is greater than or equal to the predetermined fixed height of the base plate.
- the base plate has apertures extending transversely therethrough for receiving like abutments of an identical fixed height base plate when the base plates are stacked together.
- FIG. 1 is a perspective view of a pedestal assembly embodying the present invention
- FIG. 2 is an exploded perspective view of the pedestal assembly of FIG. 1 ;
- FIG. 3 is a top plan view of a stackable, fixed-height pedestal according to the present invention.
- FIG. 4 is a elevational view of a part of a deck system according to the present invention supported on an underlying uneven surface
- FIG. 5 is a deck according to the present invention.
- a deck 14 is typically constructed of a plurality of separate, substantially-rectangular decking elements 12 , including pavers, ballast blocks, tiles, panels, or like separate elements (hereinafter referred to as decking elements) that are arranged in a grid layout, or pattern, and that are supported a spaced distance above an underlying surface.
- the deck 14 can provide a substantially level traffic-bearing surface for pedestrians and can be used to convert an otherwise unusable space into a useful area. Examples of decks made of decking elements are disclosed in U.S. Pat. Nos. 5,442,882 and 6,604,330 B2 issued to Repasky, the disclosures of which are incorporated herein by reference.
- Each separate decking element 12 can be made of concrete, marble, granite, wood, rubber, plastic, composite materials, or like weight-bearing substance and is typically square, rectangle, or some other shape in plan that can be readily positioned in a substantially uniform pattern. Accordingly, each decking element 12 will typically have corner portions 16 , and the deck 14 will include intersection areas 18 in which corner portions 16 of adjacent decking elements 12 are arranged in edgewise juxtaposition.
- a separate pedestal assembly 10 underlies each intersection area 18 of the deck 14 and supports the corner portions 16 of adjacent decking elements 12 , such as four corner portions of four adjacent decking elements. See FIG. 5 .
- the deck 14 is elevated from an underlying surface by the pedestal assemblies 10 .
- the pedestal assemblies 10 also ensure proper lateral spacing between adjacent decking elements 12 so that the deck 14 permits drainage of fluids, such as rain, therethrough.
- FIGS. 1 and 2 An example of a pedestal assembly 10 according to the present invention is illustrated in FIGS. 1 and 2 .
- the pedestal assembly 10 includes a fixed height pedestal plate, body, or base 20 on which an identical fixed height pedestal plate, body, or base 22 is stacked.
- First and second height adjustment shims, 24 and 26 are stacked on the upper pedestal plate 22 thereby providing the pedestal assembly 10 with an overall height “H”.
- other pedestal assemblies may include only a single pedestal plate or three or more pedestal plates stacked together.
- the pedestal assembly can include one or more shims of the same or different thicknesses or no shims. For some examples, see FIG. 4 .
- the pedestal plate 20 is typically an integral, molded, plastic or rubber body.
- the pedestal plate 20 may be molded of rubber or injection molded of polypropylene, polyethylene, or like thermoplastic material.
- the pedestal plate 20 includes a bottom side 28 , topside or surface 30 , and a peripheral sidewall 32 .
- the pedestal plate 20 can have an openwork structure as illustrated in FIGS. 1-3 for purposes of reducing material costs, or alternatively, can be substantially solid.
- the openwork structure of pedestal plate 20 has a pan-shaped configuration defined by a relatively thin base wall 34 from which the sidewall 32 projects.
- the sidewall 32 provides the pedestal plate 20 with an octagonal periphery in plan. See FIG. 3 .
- the periphery could also be circular, oval, square, rectangular, hexagonal, or any other shape. Drainage openings 36 are formed in both the base wall 34 and the sidewall 32 to permit rain and other fluids to pass therethrough to an underlying surface or structure.
- the remaining body portion of the pedestal plate 20 is formed from a network of inner walls 38 projecting from the base wall 34 and extending within the sidewall 32 in a crosswise, or grid-like, pattern forming a plurality of vertically-oriented openings 40 in a honeycomb like manner.
- the openings 40 permit the plate to be lightweight and produced from a minimum of plastic; while, the network of walls 38 provide sufficient strength to enable the pedestal plate 20 to support relatively heavy decking elements 12 , such as ballast blocks.
- the upper edges of the inner walls 38 and sidewall 32 form the topside 30 of the pedestal plate 20 and define a surface on which a like pedestal 22 , shims 24 and 26 , or decking elements 12 can be supported.
- the thickness, or fixed height, “T” of pedestal plate 20 is defined by the distance from the bottom side 28 to the topside 30 .
- the thickness “T” of pedestal plates 20 and 22 are identical.
- the thickness “S” of the shims is less than the thickness “T” of the pedestal plate 20 and is intended to permit fine incremental adjustments to the overall height “H” of the pedestal assembly 10 .
- the pedestal plates 20 and 22 can be identical and each have a thickness “T” of about 0.625 inch (1.6 cm).
- the larger shim 24 can have a thickness “S” of 0.125 inch (0.3 cm), and the thickness of the thinner shim 26 can be 0.0625 inch (0.16 cm).
- the combination can provide an overall pedestal assembly height “H” of about 1.44 inches (3.65 cm).
- this is just an example and other pedestal plates and shims of greater or lesser thicknesses and different combinations of plates and/or shims can be utilized.
- the pedestal plate 20 includes a plurality of corner support portions 42 , 44 , 46 and 48 , thereby defining four separate quadrants.
- corner support portions 42 , 44 , 46 and 48 thereby defining four separate quadrants.
- fewer or more corner support portions can be provided by the pedestal.
- four corner portions 16 of four separate decking elements 12 will be supported on the pedestal assembly 10 such that one corner portion 16 is supported above each corner support portion, 42 , 44 , 46 and 48 , on the pedestal plate 20 or on a like pedestal plate 22 or shim 24 or 26 positioned intermediate of the pedestal plate 20 and the decking element 12 .
- a first axis, or line of position, “X” and a second axis, or line of position “Y” are illustrated in FIG. 3 and define the boundaries of the corner support portions 42 , 44 , 46 , and 48 on the pedestal plate 20 .
- the first axis, or line of position, “X” is disposed perpendicular, or orthogonal, to the second axis, or line of position “Y”.
- At least one upstanding abutment 50 projects upwardly from the topside 30 of the pedestal plate 20 .
- the abutment 50 extends within a first imaginary plane extending vertically through the pedestal plate 20 and axis “X” or within a second imaginary plane extending vertically through axis “Y”. Accordingly, the abutment 50 extends between the boundaries of adjacent quadrants. Preferably, at least one abutment 50 extends between each pair of adjacent quadrants.
- each pedestal plate 20 and 22 has four separate abutments 50 in a crosswise pattern.
- the abutments 50 provide surfaces that engage edges of corner portions 16 of the decking elements 12 and define the location and proper position of each decking element 12 within the deck 14 . Further, the width “W” of the abutments 50 determine lateral spacing between adjacent decking elements 12 thereby defining drainage gaps between the decking elements 12 .
- the abutments 50 located on the top of the pedestal assembly 10 must extend to a height that affords a proper amount of engagement between the abutment 50 and the edges of the decking elements 12 sufficient to prevent decking elements from being readily jostled out of proper position past or over the abutments 50 . However, the height of the abutment 50 should be less then the thickness of the decking element 12 to ensure that the abutment does not extend above the surface of the deck 14 .
- a pedestal plate 20 that has a thickness “T” of 0.652 inch (1.6 cm) can have an abutment 50 of a height “A” of about 0.652 inch (1.6 cm) to about 1.0 inch (2.54 cm) or more. Accordingly, the abutments 50 are preferably of a height “A” that is greater than or equal to the thickness “T” of the pedestal plate 20 .
- the abutments 50 are provided as solid walls or flanges formed integrally with the pedestal plates 20 and 22 .
- the abutments 50 can be provided by as a post, tab, or an array of like elements.
- the pedestal plate 20 and 22 include one abutment 50 between each of the quadrants for a total of four abutments 50 per plate.
- the illustrated arrangement of the abutments 50 include a first pair of abutments 52 on the “X” axis that is located close to a center “C” of the pedestal plate 20 and a second pair of abutments 54 on the “Y” axis that are spaced further from the center “C”.
- the spacing between the first pair of abutments 52 is different than the spacing between the second pair of abutments 54 .
- the significance of this arrangement is discussed in greater detail below.
- the pedestal plate 20 has one or more apertures 56 that extend transversely through the plate and that opens in both the topside 30 and bottom side 28 .
- Each aperture 56 is sized to accommodate and receive at least one abutment 50 extending from a lower-positioned pedestal plate within a stack of pedestal plates.
- the apertures 56 in pedestal plate 22 receive the abutments 50 extending from pedestal plate 20 .
- the apertures 56 permit the bottom side 28 of the pedestal plate 22 to be seated flush on the top side 30 of the pedestal plate 20 . See FIG. 1 .
- the abutment 50 from the pedestal plate 20 can extend to height above the top side 30 of pedestal plate 22 , if desired. See FIG. 1 .
- the apertures 56 of pedestal plate 20 are located on the “X” and “Y” lines of position between the corner support portions, 42 , 42 , 46 and 48 , and are offset from the abutments 50 that extend from pedestal plate 20 . Accordingly, preferably an abutment 50 and an aperture 56 are located between each adjacent pair of corner support portions, 42 , 42 , 46 and 48 . In FIG. 3 , the apertures 56 are spaced outwardly of the abutments 52 and inwardly of the abutments 54 and are provided as elongate open slots. Accordingly, when pedestal plate 22 is turned about a quarter turn relative to pedestal plate 20 (see arrow “R” in FIG.
- the abutments 50 of the pedestal plate 20 are aligned with and capable of being received within the apertures 56 of pedestal plate 22 . Additional identical pedestal plates can be stacked on these plates, as desired.
- abutments 50 extending from the upper pedestal plate 22 will always be of a significant height despite the addition of shims.
- the addition of shims, 24 and 26 reduces the height to which the abutments 50 of plate 22 extend above a top surface of the pedestal assembly 10 .
- abutments 50 are of height “A” greater than or equal to the thickness “T” of each pedestal plate, 20 and 22 , any amount of shims can be used and the abutments 50 will still be of a sufficient height.
- the total thickness of the shims, 24 and 26 matches the thickness “T” of a pedestal plate, the shims can be removed and replaced with a pedestal plate providing a new set of abutments 50 .
- FIG. 4 illustrates the stacking capability of the pedestal plates 20 and 22 and shims 24 and 26 .
- pedestal assembly 58 includes pedestal plate 20 and shim 24 .
- the abutments 50 extend a sufficient height above the top surface of the pedestal assembly 58 to engage the edges of decking elements in an effective manner.
- Pedestal assembly 60 includes pedestal plate 20 with shims 24 and 26 , and the abutments 50 still extend a sufficient height above the shims to be effective.
- Pedestal assembly 62 includes pedestal plates 20 and 22 with the full height of the abutments 50 of pedestal plate 22 being exposed.
- the stackable pedestal assemblies can be used on level underlying surfaces, uneven underlying surfaces, inclined or sloped underlying surfaces or with deck elements of inconsistent thickness.
- a possible location of the deck 14 is on a sloped underlying surface provided by the roof of a building or other structure. Such surfaces may be provided at a slope for drainage or other purposes.
- levelers (not shown) can be used between the underlying surface and pedestal assemblies 10 to ensure that the pedestal assemblies 10 project substantially parallel to a vertical direction.
- the levelers can be those disclosed in U.S. Pat. No. 5,442,882 issued to Repasky, the disclosure of which is herein incorporated by reference.
- a corner cap (not shown) can extend over the corner portions 16 of the decking elements 12 within an intersection area 18 and be mechanically tied to the pedestal assembly 10 with a fastener or the like.
- the caps can be those disclosed in U.S. Pat. No. 6,604,330 B2 issued to Repasky, the disclosure of which is herein incorporated by reference.
- each pedestal assembly provides a stable elevated traffic bearing surface for pedestrians and the like on an existing structure or surface.
- the pedestal assemblies and deck are easy to install and inexpensive to manufacture.
- the height of each pedestal assembly can be adjusted by adding further identical pedestal plates to the assembly or by adding shims for fine height adjustments.
- Each pedestal plate is identical and permits stacking when positioned one quarter turn relative to an underlying pedestal plate.
- fixed height pedestal plates have been described, the present invention can also be utilized on non-fixed height pedestals.
- each pedestal plate can be broken in half for placement along walls and can be broken into quarters for placement in corners.
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Abstract
Description
- The present invention relates generally to systems and pedestals for constructing a traffic-bearing surface elevated from an underlying surface, and more particularly, the present invention relates to a stackable pedestal, such as a fixed height pedestal, and deck system using same.
- Decking systems can be used to construct terraces, pedestrian walkways, gardens, plaza decks, sun decks, balconies, patios or the like elevated from an underlying surface or structure. Such decking systems may be elevated for drainage or other purposes and can be constructed on horizontal as well as inclined underlying surfaces. For example, inclined roofs of many buildings are capable of supporting a traffic-bearing surface, or deck.
- Examples of deck systems utilizing roof pavers, or ballast blocks, are disclosed in U.S. Pat. Nos. 5,887,397; 5,377,468; 5,442,882; and 6,604,330 B2 issued to Repasky. Also see U.S. Pat. No. 4,570,397 issued to Creske; and U.S. Pat. Nos. 5,588,264 and 6,332,292 B1 issued to Buzon.
- So-called “fixed-height” pedestals are disclosed in U.S. Pat. Nos. 5,442,882 and 6,604,330 B2 issued to Repasky. For example, a fixed-height pedestal (reference numeral 30) is illustrated in the Repasky '882 patent, and a fixed-height pedestal (reference numeral 68) is illustrated in the Repasky '330 patent. The fixed height pedestals have upstanding walls that define quadrants on which the corner portions of pavers or the like are supported. The upstanding walls engage the edges of the pavers to hold the pavers in a desired position and create desired uniform lateral spacing between adjacent pavers so that drainage gaps are provided.
- The above referenced fixed-height pedestals are stackable. For this to be possible, the upstanding walls on a lower pedestal are received within downwardly-opening recesses formed on an underside of an upper pedestal. Accordingly, if the upper and lower pedestals are identical and of identical thickness, the height of the upstanding walls is limited to a height slightly less then the thickness of the fixed height pedestal body.
- Further, it is known to use relatively-thin, flat shims to refine the height of a pedestal assembly. Typically, the flat shims are of a thickness less than the thickness of the fixed height pedestal body and have openings permitting the shims to fit over the upstanding walls of the pedestal. As an example, if the height, or thickness, of a fixed-height pedestal is about 0.625 inch (1.6 cm), flat shims with a thickness of 0.125 inch (0.3 cm) or 0.0625 inch (0.16 cm) may be added onto the pedestal to make fine adjustments to the total height of the pedestal assembly. However, the addition of the shims effectively reduces the height to which the upstanding walls extend above the upper surface of the pedestal assembly. Reducing the height of the upstanding wall of the pedestal assembly causes problems in that the pavers can be easily jostled out of proper position and alignment.
- While the deck systems disclosed in the above referenced patents may be satisfactory for their intended purposes, there is a need for a stable, stackable pedestal for use in such systems. The system should ensure that the pedestal assembly retains the pavers, tiles, or other like decking elements in a desired position within a deck and should permit the height of the pedestal to be adjusted by stacking like pedestals together and by the addition of shims to the top of the pedestal assembly. In addition, the pedestals should be capable of efficient manufacture and installation.
- More specifically, the present invention provides a pedestal matingly engagable with a like companion pedestal in vertically stacked relation to support corner portions of pavers, tiles, or like decking elements in edgewise juxtaposition above an underlying surface. The pedestal has a base, plate, or body, having a plurality of corner support portions. The base, plate, or body has a topside and a bottom side that define a predetermined thickness, or height, of the base, plate, or body. An abutment, such as an upstanding wall, flange, post, or the like, projects upwardly from the topside a predetermined distance, or height, that is greater than or equal to the predetermined thickness of the base, plate, or body. An aperture, such as a slot or the like, extends transversely through the base, plate, or body and is offset from the abutment. Accordingly, a like abutment of a companion pedestal can extend through the aperture of an upper stacked pedestal thereby permitting the pedestals to be stacked together in a stable manner.
- According to another aspect of the present invention, a deck system for forming an elevated surface is provided. The deck system includes a plurality of pavers, tiles, or separate decking elements disposed in edgewise juxtaposition to form a deck. Each of the pavers, tiles or decking elements has corner portions, and the deck includes intersection areas in which the corner portions of adjacent pavers, tiles or decking elements are supported by pedestals positioned directly beneath the intersection areas. The pedestals support the corner portions a spaced distance above an underlying surface and include one or more fixed height base plates having a topside and a bottom side defining a predetermined fixed height therebetween. The base plate has abutments projecting upwardly from the topside a predetermined distance that is greater than or equal to the predetermined fixed height of the base plate. In addition, the base plate has apertures extending transversely therethrough for receiving like abutments of an identical fixed height base plate when the base plates are stacked together.
- The features and advantages of the present invention should become apparent from the following description when taken in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a perspective view of a pedestal assembly embodying the present invention; -
FIG. 2 is an exploded perspective view of the pedestal assembly ofFIG. 1 ; -
FIG. 3 is a top plan view of a stackable, fixed-height pedestal according to the present invention; -
FIG. 4 is a elevational view of a part of a deck system according to the present invention supported on an underlying uneven surface; and -
FIG. 5 is a deck according to the present invention. - As best illustrated in
FIG. 5 , adeck 14 according to the present invention is typically constructed of a plurality of separate, substantially-rectangular decking elements 12, including pavers, ballast blocks, tiles, panels, or like separate elements (hereinafter referred to as decking elements) that are arranged in a grid layout, or pattern, and that are supported a spaced distance above an underlying surface. Thedeck 14 can provide a substantially level traffic-bearing surface for pedestrians and can be used to convert an otherwise unusable space into a useful area. Examples of decks made of decking elements are disclosed in U.S. Pat. Nos. 5,442,882 and 6,604,330 B2 issued to Repasky, the disclosures of which are incorporated herein by reference. - Each
separate decking element 12 can be made of concrete, marble, granite, wood, rubber, plastic, composite materials, or like weight-bearing substance and is typically square, rectangle, or some other shape in plan that can be readily positioned in a substantially uniform pattern. Accordingly, eachdecking element 12 will typically havecorner portions 16, and thedeck 14 will includeintersection areas 18 in whichcorner portions 16 ofadjacent decking elements 12 are arranged in edgewise juxtaposition. - A
separate pedestal assembly 10 underlies eachintersection area 18 of thedeck 14 and supports thecorner portions 16 ofadjacent decking elements 12, such as four corner portions of four adjacent decking elements. SeeFIG. 5 . Thus, thedeck 14 is elevated from an underlying surface by thepedestal assemblies 10. Preferably, the pedestal assemblies 10 also ensure proper lateral spacing betweenadjacent decking elements 12 so that thedeck 14 permits drainage of fluids, such as rain, therethrough. - An example of a
pedestal assembly 10 according to the present invention is illustrated inFIGS. 1 and 2 . In this example, thepedestal assembly 10 includes a fixed height pedestal plate, body, orbase 20 on which an identical fixed height pedestal plate, body, orbase 22 is stacked. First and second height adjustment shims, 24 and 26, are stacked on theupper pedestal plate 22 thereby providing thepedestal assembly 10 with an overall height “H”. Of course other pedestal assemblies may include only a single pedestal plate or three or more pedestal plates stacked together. In addition, the pedestal assembly can include one or more shims of the same or different thicknesses or no shims. For some examples, seeFIG. 4 . - The
pedestal plate 20 is typically an integral, molded, plastic or rubber body. For example, thepedestal plate 20 may be molded of rubber or injection molded of polypropylene, polyethylene, or like thermoplastic material. As best illustrated inFIGS. 1-3 , thepedestal plate 20 includes abottom side 28, topside orsurface 30, and aperipheral sidewall 32. Thepedestal plate 20 can have an openwork structure as illustrated inFIGS. 1-3 for purposes of reducing material costs, or alternatively, can be substantially solid. - In the illustrated embodiment, the openwork structure of
pedestal plate 20 has a pan-shaped configuration defined by a relativelythin base wall 34 from which thesidewall 32 projects. Thesidewall 32 provides thepedestal plate 20 with an octagonal periphery in plan. SeeFIG. 3 . Of course, the periphery could also be circular, oval, square, rectangular, hexagonal, or any other shape.Drainage openings 36 are formed in both thebase wall 34 and thesidewall 32 to permit rain and other fluids to pass therethrough to an underlying surface or structure. The remaining body portion of thepedestal plate 20 is formed from a network ofinner walls 38 projecting from thebase wall 34 and extending within thesidewall 32 in a crosswise, or grid-like, pattern forming a plurality of vertically-orientedopenings 40 in a honeycomb like manner. Theopenings 40 permit the plate to be lightweight and produced from a minimum of plastic; while, the network ofwalls 38 provide sufficient strength to enable thepedestal plate 20 to support relativelyheavy decking elements 12, such as ballast blocks. - The upper edges of the
inner walls 38 andsidewall 32 form thetopside 30 of thepedestal plate 20 and define a surface on which alike pedestal 22, shims 24 and 26, ordecking elements 12 can be supported. The thickness, or fixed height, “T” ofpedestal plate 20 is defined by the distance from thebottom side 28 to thetopside 30. The thickness “T” ofpedestal plates pedestal plate 20 and is intended to permit fine incremental adjustments to the overall height “H” of thepedestal assembly 10. - By way of example, and not by way of limitation, the
pedestal plates larger shim 24 can have a thickness “S” of 0.125 inch (0.3 cm), and the thickness of thethinner shim 26 can be 0.0625 inch (0.16 cm). Thus, the combination can provide an overall pedestal assembly height “H” of about 1.44 inches (3.65 cm). Of course, this is just an example and other pedestal plates and shims of greater or lesser thicknesses and different combinations of plates and/or shims can be utilized. - As best illustrated in
FIG. 3 , thepedestal plate 20 includes a plurality ofcorner support portions corner portions 16 of fourseparate decking elements 12 will be supported on thepedestal assembly 10 such that onecorner portion 16 is supported above each corner support portion, 42, 44, 46 and 48, on thepedestal plate 20 or on alike pedestal plate 22 orshim pedestal plate 20 and thedecking element 12. - A first axis, or line of position, “X” and a second axis, or line of position “Y” are illustrated in
FIG. 3 and define the boundaries of thecorner support portions pedestal plate 20. In the illustrated embodiment, the first axis, or line of position, “X” is disposed perpendicular, or orthogonal, to the second axis, or line of position “Y”. - According to the present invention, at least one
upstanding abutment 50 projects upwardly from thetopside 30 of thepedestal plate 20. Theabutment 50 extends within a first imaginary plane extending vertically through thepedestal plate 20 and axis “X” or within a second imaginary plane extending vertically through axis “Y”. Accordingly, theabutment 50 extends between the boundaries of adjacent quadrants. Preferably, at least oneabutment 50 extends between each pair of adjacent quadrants. Thus, as illustrated inFIG. 2 , eachpedestal plate separate abutments 50 in a crosswise pattern. - The
abutments 50 provide surfaces that engage edges ofcorner portions 16 of thedecking elements 12 and define the location and proper position of eachdecking element 12 within thedeck 14. Further, the width “W” of theabutments 50 determine lateral spacing betweenadjacent decking elements 12 thereby defining drainage gaps between thedecking elements 12. Theabutments 50 located on the top of thepedestal assembly 10 must extend to a height that affords a proper amount of engagement between theabutment 50 and the edges of thedecking elements 12 sufficient to prevent decking elements from being readily jostled out of proper position past or over theabutments 50. However, the height of theabutment 50 should be less then the thickness of thedecking element 12 to ensure that the abutment does not extend above the surface of thedeck 14. - By way of example, and not by way of limitation, a
pedestal plate 20 that has a thickness “T” of 0.652 inch (1.6 cm) can have anabutment 50 of a height “A” of about 0.652 inch (1.6 cm) to about 1.0 inch (2.54 cm) or more. Accordingly, theabutments 50 are preferably of a height “A” that is greater than or equal to the thickness “T” of thepedestal plate 20. - In the illustrated embodiments, the
abutments 50 are provided as solid walls or flanges formed integrally with thepedestal plates abutments 50 can be provided by as a post, tab, or an array of like elements. Thepedestal plate abutment 50 between each of the quadrants for a total of fourabutments 50 per plate. The illustrated arrangement of theabutments 50 include a first pair ofabutments 52 on the “X” axis that is located close to a center “C” of thepedestal plate 20 and a second pair ofabutments 54 on the “Y” axis that are spaced further from the center “C”. Thus, the spacing between the first pair ofabutments 52 is different than the spacing between the second pair ofabutments 54. The significance of this arrangement is discussed in greater detail below. - The
pedestal plate 20 has one ormore apertures 56 that extend transversely through the plate and that opens in both the topside 30 andbottom side 28. Eachaperture 56 is sized to accommodate and receive at least oneabutment 50 extending from a lower-positioned pedestal plate within a stack of pedestal plates. For example, theapertures 56 inpedestal plate 22 receive theabutments 50 extending frompedestal plate 20. Accordingly, theapertures 56 permit thebottom side 28 of thepedestal plate 22 to be seated flush on thetop side 30 of thepedestal plate 20. SeeFIG. 1 . In addition, since the height “A” of theabutment 50 extending frompedestal plate 20 is greater than or equal to the thickness “T” ofpedestal plate 22, theabutment 50 from thepedestal plate 20 can extend to height above thetop side 30 ofpedestal plate 22, if desired. SeeFIG. 1 . - The
apertures 56 ofpedestal plate 20 are located on the “X” and “Y” lines of position between the corner support portions, 42, 42, 46 and 48, and are offset from theabutments 50 that extend frompedestal plate 20. Accordingly, preferably anabutment 50 and anaperture 56 are located between each adjacent pair of corner support portions, 42, 42, 46 and 48. InFIG. 3 , theapertures 56 are spaced outwardly of theabutments 52 and inwardly of theabutments 54 and are provided as elongate open slots. Accordingly, whenpedestal plate 22 is turned about a quarter turn relative to pedestal plate 20 (see arrow “R” inFIG. 2 ) and the first line of position “X” ofpedestal plate 20 is aligned with the second line of position “Y” ofpedestal plate 22, theabutments 50 of thepedestal plate 20 are aligned with and capable of being received within theapertures 56 ofpedestal plate 22. Additional identical pedestal plates can be stacked on these plates, as desired. - An advantage of this arrangement is that the
abutments 50 extending from theupper pedestal plate 22 will always be of a significant height despite the addition of shims. As stated previously, the addition of shims, 24 and 26, reduces the height to which theabutments 50 ofplate 22 extend above a top surface of thepedestal assembly 10. However, sinceabutments 50 are of height “A” greater than or equal to the thickness “T” of each pedestal plate, 20 and 22, any amount of shims can be used and theabutments 50 will still be of a sufficient height. Of course, when the total thickness of the shims, 24 and 26, matches the thickness “T” of a pedestal plate, the shims can be removed and replaced with a pedestal plate providing a new set ofabutments 50. -
FIG. 4 illustrates the stacking capability of thepedestal plates pedestal assembly 58 includespedestal plate 20 andshim 24. Theabutments 50 extend a sufficient height above the top surface of thepedestal assembly 58 to engage the edges of decking elements in an effective manner.Pedestal assembly 60 includespedestal plate 20 withshims abutments 50 still extend a sufficient height above the shims to be effective.Pedestal assembly 62 includespedestal plates abutments 50 ofpedestal plate 22 being exposed. Thus, the stackable pedestal assemblies can be used on level underlying surfaces, uneven underlying surfaces, inclined or sloped underlying surfaces or with deck elements of inconsistent thickness. - As an example, a possible location of the
deck 14 is on a sloped underlying surface provided by the roof of a building or other structure. Such surfaces may be provided at a slope for drainage or other purposes. In this case, levelers (not shown) can be used between the underlying surface andpedestal assemblies 10 to ensure that thepedestal assemblies 10 project substantially parallel to a vertical direction. As an example, the levelers can be those disclosed in U.S. Pat. No. 5,442,882 issued to Repasky, the disclosure of which is herein incorporated by reference. - It may be desired in some installations that the
decking elements 12 be mechanically secured to thepedestal assemblies 10. In this case, a corner cap (not shown) can extend over thecorner portions 16 of thedecking elements 12 within anintersection area 18 and be mechanically tied to thepedestal assembly 10 with a fastener or the like. As an example, the caps can be those disclosed in U.S. Pat. No. 6,604,330 B2 issued to Repasky, the disclosure of which is herein incorporated by reference. - The above-described deck system and pedestal assembly according to the present invention provides a stable elevated traffic bearing surface for pedestrians and the like on an existing structure or surface. The pedestal assemblies and deck are easy to install and inexpensive to manufacture. The height of each pedestal assembly can be adjusted by adding further identical pedestal plates to the assembly or by adding shims for fine height adjustments. Each pedestal plate is identical and permits stacking when positioned one quarter turn relative to an underlying pedestal plate. Although fixed height pedestal plates have been described, the present invention can also be utilized on non-fixed height pedestals. In addition, preferably each pedestal plate can be broken in half for placement along walls and can be broken into quarters for placement in corners.
- While preferred deck system and pedestal assemblies have been described in detail, various modifications, alterations, and changes may be made without departing from the spirit and scope of the deck system and pedestal assembly according to the present invention as defined in the appended claims.
Claims (20)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US11/559,055 US7386955B1 (en) | 2006-11-13 | 2006-11-13 | Stackable pedestal for supporting decking elements |
CA2682033A CA2682033C (en) | 2006-11-13 | 2007-11-09 | Stackable pedestal for supporting decking elements |
PCT/US2007/023653 WO2008063438A2 (en) | 2006-11-13 | 2007-11-09 | Stackable pedestal for supporting decking elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/559,055 US7386955B1 (en) | 2006-11-13 | 2006-11-13 | Stackable pedestal for supporting decking elements |
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US20080134591A1 true US20080134591A1 (en) | 2008-06-12 |
US7386955B1 US7386955B1 (en) | 2008-06-17 |
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US11/559,055 Active US7386955B1 (en) | 2006-11-13 | 2006-11-13 | Stackable pedestal for supporting decking elements |
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US (1) | US7386955B1 (en) |
CA (1) | CA2682033C (en) |
WO (1) | WO2008063438A2 (en) |
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WO2013149299A1 (en) * | 2012-04-04 | 2013-10-10 | Elmich Pte Ltd | Chock for paver support |
USD889694S1 (en) * | 2018-11-13 | 2020-07-07 | Frank Burgio | Paver support |
USD917735S1 (en) * | 2019-03-19 | 2021-04-27 | Hanover Prest-Paving Company | Paver support |
US11140979B2 (en) * | 2019-08-01 | 2021-10-12 | Se-Kure Controls, Inc. | Variable height support assembly for an electronic device with a monitor |
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US20100275528A1 (en) * | 2009-04-29 | 2010-11-04 | Andrews Robin D | Accessories for pedestal supported decks |
US9677690B2 (en) * | 2010-02-08 | 2017-06-13 | Thomas & Betts International, Llc | Multi-purpose roof-top support |
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Also Published As
Publication number | Publication date |
---|---|
CA2682033A1 (en) | 2008-05-29 |
CA2682033C (en) | 2013-07-16 |
WO2008063438A2 (en) | 2008-05-29 |
WO2008063438A3 (en) | 2008-12-18 |
US7386955B1 (en) | 2008-06-17 |
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