In-floor fittings such as poke-thru fittings, afterset fittings, and preset fittings are installed in concrete floors to provide electrical receptacles and communication/data receptacles (or jacks) at desired locations in buildings. Poke-thru fittings are designed to be installed in an opening in a floor, such as a concrete slab or steel deck, in a building structure such as an office building to provide electrical receptacles and/or communication/data receptacles at desired locations in buildings. As a result, such fittings may be exposed to water, e.g. during carpet cleaning. It is desirable that such fittings are designed to prevent moisture infiltration from above the floor. In this respect, Underwriters Laboratories (UL) has proposed certification standards that require such fittings to keep scrub water out of the portion of the fitting that houses the electrical outlet, e.g. the power portion, and/or other devices therein, such as communication and audio/visual devices. Scrub water is a soap and water mixture that is typically used when cleaning carpets and other finished floor surfaces.
As explained in U.S. Pat. No. 4,770,643, source power and signal cables, loosely positioned in a plenum, which is between the ceiling of the floor below and the floor above (that is, the floor in which the opening is in), may be pulled from the plenum and connected with or passed through the poke-thru fitting for activation of services for and on the floor above. More specifically, high voltage source power cables are connected with power receptacles that may be mounted within the poke-thru fitting or surface mounted on the floor above the fitting. Lower voltage communication/data signal cables have traditionally been passed through the poke-thru fitting to provide above floor connections between these cables and equipment positioned on the floor above. More recently, poke-thru fittings have been developed that also provide for mounting the communication/data receptacle within the fitting.
Standards promulgated by Underwriters Laboratories (UL) require poke-thru fittings to enable the fire rating of the floor to be substantially the same with or without the floor opening and fitting therein. As a result, poke-thru fittings typically incorporate fire-retarding material, generally intumescent material, to retard the transmission of heat and flame from a fire in the plenum, for example. The intumescent material is activated upon exposure to a fire's heat and flames, rising through the floor opening from a fire below the floor. The intumescent material absorbs the heat and expands to fill open spaces in the floor.
Typical fire rated poke-thru assemblies include a housing for electrical outlets and/or telecommunication jacks. The assemblies are typically mounted in a core-drilled, approximately three or four inch diameter, hole within a concrete floor. U.S. Pat. No. 6,551,130, entitled “4×8 Fire Rated Poke Through Fitting,” issued to Bonilla (the “Bonilla patent”) discloses a poke through fitting having at least three electrical outlets and a plurality of telecommunication jacks. As shown in
In various settings, such as within conference rooms having video and audio conferencing capabilities, a large number of telecommunication and audio/visual devices may be used. Typically, the wiring and cabling for these devices are routed to outlets and connections positioned within the floor and walls.
Thus, a need exists for a poke-thru assembly including a plurality of signal device connections that are protected from the external environment when not in use.
Embodiments of the present invention provide an in-floor fitting that is adapted to be inserted within an opening in a floor. The in-floor fitting includes a plurality of signal connection devices, and a cover positioned over the plurality of signal connection devices. The cover includes a sliding door that is configured to slide through open and closed positions, wherein the plurality of signal connection devices are accessible when the sliding door is in the open position, and wherein the plurality of signal connection devices are protected from an external environment when the sliding door is in the closed position.
The plurality of signal connection devices may include a plurality of at least one of telecommunication jacks, coaxial jacks, fiber optic connectors, RCA style connectors, and audio/visual connection devices. The signal connection devices may be arranged such that a row of telecommunication jacks is perpendicular to a column of coaxial jacks and a parallel column of fiber optic connectors, and wherein a column of RCA style connectors are parallel to the columns of coaxial jacks and fiber optic connectors. The fitting may include at least eight signal connection devices.
The fitting also includes a trim flange having an interior compartment, a bezel secured within the interior compartment, wherein the plurality of signal connection devices are secured within the bezel, and a first plate connected to support legs mounted to the trim flange. A central space is defined between the trim flange and the first plate. At least a portion of the bezel is positioned within the central space so that the bezel and the plurality of signal connection devices do not extend upwardly past the cover.
The fitting also includes an intumescent insert, which may have a pocket configured to receive a lower portion of the bezel. The intumescent insert includes at least one tab that is received and retained within a notch formed in the first plate. The fitting also includes a second plate, wherein the intumescent insert is compressively sandwiched between the first and second plates.
The fitting may also include at least one electrical receptacle. The cover further includes an outlet sliding door positioned over the at least one electrical receptacle, wherein the outlet sliding door slides between open and closed positions to provide and restrict access to the electrical receptacle.
The foregoing summary, as well as the following detailed description of certain embodiments of the present invention, will be better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, there is shown in the drawings, certain embodiments. It should be understood, however, that the present invention is not limited to the arrangements and instrumentalities shown in the attached drawings.
The bottom plate 12 includes an upper surface 28 and a lower surface 30. An opening 32 is formed from the upper surface 28 through the lower surface 30 and into a channel 34 defined by a cylindrical conduit 36. An opening 38 is formed from the upper surface 28 through the lower surface 30 and into a channel 40 defined by a cylindrical conduit 42. Notches 43 are formed at the outer edge of the bottom plate 12. The notches 43 are configured to receive tabs (discussed below) of the intumescent insert 14 in order to properly align the intumescent insert in relation to the bottom plate 12 during an assembly process. More or less notches 43 may be formed on the bottom plate 12 to receive and retain additional (or less) tabs of the intumescent insert 14.
The intumescent insert 14 includes a generally cylindrical main body 44 defined by an outer wall 46 and upper and lower surfaces 48, 50. Tabs 52 extend downwardly from the lower surface 50, while tabs 54 extend upwardly from the upper surface 48. More or less tabs 52 and 54 may extend from the intumescent insert 14 than the number shown in
The retaining ring 15 includes an annular body 56 having a central opening 58 defined therethrough. The retaining ring 15 also includes upwardly extending barbs 60 configured to securely retain the top plate 16.
The top plate 16 includes a generally circular main body 62 with upwardly extending support legs 64. The main body 62 includes a cavity 65 that may be configured to receive and securely retain the signal connection device bezel 22, and also allow signal wiring, cables, lines, and the like, to pass therethrough. Components of the assembly 10 are held in place due, in part, to stem screws 63 that pass through the top plate 16, the retaining ring 15, the intumescent insert 14 and the bottom plate 12.
Each upwardly extending support leg 64 includes an upright portion 104 having a first end 106 secured to the main body 62 of the top plate 16 and a second end 108 having a mounting tab 110. The mounting tab 110 includes a fastener through-hole 112. The mounting tabs 110 are configured to securely support the trim flange 20. The trim flange 20 includes fastener through-holes 116 that are configured to align with the fastener through-holes 112 of the mounting tabs 110. The trim flange 20 may be secured to the mounting tabs 110 through screws 118, nails, rivets, and the like. Alternatively, the trim flange 20 may include latching members, clasps, barbs, or the like that are configured to securably engage reciprocal structures formed on the mounting tabs 110. Optionally, the trim flange 20 may be integrally formed with, or bonded to, the top plate 16.
The annular external gasket 18 includes a central opening 67. The gasket 18 is configured to be compressively sandwiched between a bottom surface of the trim flange 20 and an upper surface of a floor, in order to prevent water from passing into the assembly 10.
The trim flange 20 includes an annular main body 70 having an interior compartment 72. The interior compartment 72 includes a mounting cavity 74 that receives and securely retains the signal connection device bezel 22.. The interior compartment 72 is recessed beneath a top surface 76 of the main body 70 such that the signal connection device bezel 22 is positioned at a lower position than the top surface 76.
The internal gasket 24 is sized to fit within the interior compartment 72 and provide a fluid tight barrier within the interior compartment 72. The internal gasket 72 includes openings 78 that provide access to and/or surround the signal connection device bezel 22.
The signal connection device bezel 22 includes a plurality of communication and/or audio visual connection devices. As shown in
Various types of communication and audio/visual connection devices may be used, such as category 5e, category 6, and similar type of jacks used for internet connections, standard telephone jacks, fiber optic connectors, RCA style jacks, and even audio/visual connection devices, such as are used with respect to audio/visual components (e.g., televisions, speakers, DVD players, microphones, overhead projection devices, slide projectors, and the like). For example, the signal connection device bezel 22 may include “video in,” “video out,” “audio in,” and “audio out” ports. As shown in
In order to protect the signal connection devices when the assembly 10 is not in use, a cover 26 is mounted over the signal connection device bezel 22. The cover 26 is positioned over the signal connection device bezel 22. The cover 26 may be snapably, threadably or latchably retained within the interior compartment 72 of the trim flange 20. Optionally, the cover 26 may be secured to the trim flange 20 by way of screws 89 or other such fasteners. Additionally, the cover 26 may be integrally formed with the trim flange 20.
The cover 26 includes access openings 90 and 92 that provide an access path to the signal connection devices within the assembly 10. Sliding doors 94 and 96 are slidably secured within slide tracks 98, 100, respectively. The tracks 98 and 100 are recessed beneath the top surface of the cover 26 so that the sliding doors 94 and 96 may slide therethrough. The sliding doors 94 and 96 may slide between open positions, in which one may access the signal connection devices positioned underneath, and closed positions, in which the signal connection devices are covered. More or less sliding doors may be used with the assembly 10. The sliding doors 94 and 96 slide in directions that are substantially parallel with the surface of the floor (not shown). Also, as shown in
The intumescent insert 14 is configured to be sandwiched between the bottom plate 12 and the top plate 16 with the retaining ring 15 positioned between the top plate 16 and the intumescent insert 14. The retaining ring 15 is configured to securely clamp into the floor (such as a concrete floor) by way of the barbs 60. When the assembly 10 is fully assembled, wiring, cabling, or the like connected to components within the signal connection device bezel 22 passes through an electrical passage defined by the cavity 74, the central opening 67, the cavity 65, the central opening 58, channels within the intumescent insert 14 and through channels 34 and/or 40.
As shown in
Additionally, as shown in
Also, as shown in
A duplex receptacle 166 is housed within the assembly 150 along with a signal connection device bezel 168. The duplex receptacles 166 may be snapably secured within the trim flange 20. The signal connection device bezel 168 is similar to the bezel 22, except that the bezel 168 may not house as many signal device connections. As shown in
An internal gasket 172 having a main body 174 with power and signal openings 173, 175 formed therethrough is positioned within the trim flange 20, under a cover 176. The gasket 172 is configured to prevent moisture infiltration into the assembly 150.
The cover 176 includes electrical access outlets 178 and a signal access opening 180. The cover 176 also includes a signal sliding door 182 that is configured to slide through slide track 184. Similarly, an outlet sliding door 186 is positioned within a slide track 188 located proximate each electrical access outlet 178. Each outlet sliding door 186 includes a covering portion 190 integrally formed with a raised handle 192. The outlet sliding doors 186 are configured to slide through the slide tracks 188 between open and closed positions. When in a closed position, the covering portion 190 is positioned underneath the electrical access outlet 178, but above a corresponding electrical receptacle 170, thereby providing a barrier between the external environment and the electrical receptacle 170.
An upper surface of the assembly 150 is substantially flush with a surface of the floor (not shown), for the same reasons discussed above with respect to the assembly 10. That is, because the electrical receptacles 170 and the signal connection devices located within the bezel 168 are recessed within the assembly 150, and because the doors 182 and 186 slide in directions parallel with a plane of the floor, the assembly does not protrude appreciably above the floor surface.
Optionally, the outlet sliding doors 186 may slide over the access outlets 178 and/or may be configured to slidably swing through open and closed positions. Also, optionally, more or less electrical receptacles may be housed within the assembly than those shown in
The sliding doors shown in the embodiments described above may include a latching member located at a distal end. The latching member abuts again, or latches onto, an edge of the cover when the doors are in fully opened positions, so that the doors remain on the cover.
Thus, embodiments of the present invention provide a poke-thru assembly comprising a plurality of signal connection devices and/or electrical receptacles that are protected from the external environment when not in use.
While the invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
This application is a continuation of Ser. No. 10/770,159, filed Feb. 2, 2004, entitled “Signal Connection Device Poke-Thru Assembly,” which is hereby incorporated by reference in its entirety.
Number | Date | Country | |
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Parent | 10770159 | Feb 2004 | US |
Child | 11141758 | Jun 2005 | US |