Class / Patent application number | Description | Number of patent applications / Date published |
052223600 | Slab or panel construction | 46 |
20090301011 | REINFORCED CONCRETE CEILING AND PROCESS FOR THE MANUFACTURE THEREOF - A reinforced concrete ceiling is characterized by a combination of the following features:
| 12-10-2009 |
20090320393 | Precast prestress raised access floor construction - A precast prestress raised access floor construction is provided which includes a precast prestress concrete slab, having an upper base floor surface and a lower surface, a plurality of raised access floor panel pedestal support members bearing directly upon the upper base floor surface, and a plurality of raised access floor panels connected to the support means whereby a void is formed between the floor panels and the upper base floor surface. | 12-31-2009 |
20100037545 | The possibility of special lightening, insulating and reinforcing intermediate floor constructions - The possibility of special lightening, insulating and reinforcing intermediate floor constructions enables fast building of semi-prefibraceted and prefabricated floor with complete insulation, bearing capacity and smaller price. Floor elements and are constructed to that already present steel space trusses can be placed in their channels, so that are hastened the building of intermediate floor constructions and makes them cheaper, too. They are minimum shorting at the ends and at the middle of beams, so the works below can be proceeding and the required working time is shorter. The intermediate floor construction is already insulating, so they are no need for insulating, which makes the construction cheaper and the required working time shorter. The plates are enabling the increase of the height of the floor constructions, by tying two beams in the construction. Usage of distance elements and protects the reinforcement in floor construction, so they are no need for corrosion protection. | 02-18-2010 |
20100132283 | PRECAST COMPOSITE STRUCTURAL FLOOR SYSTEM - A composite floor panel includes a frame assembly having a base plate, a plurality of first lateral supports secured to the base plate, and a plurality of second lateral supports secured to the base plate. The first lateral supports lie in a first plane and the second lateral supports lie in a second plane. The first plane and the second plane each intersect the base plate and the first plane is disposed at an angle relative to the second plane. The composite floor panel also includes a concrete portion coupled to and supported by the first lateral supports and the second lateral supports. | 06-03-2010 |
20100287859 | CONCRETE BEAM ASSEMBLY - A concrete beam assembly has a concrete beam with two vertical webs spaced apart from one another that extend along the length of the beam. A horizontal first flange extends between the first edges of the webs, so that the webs and first flange define a channel extending along the length of the beam. Horizontal second and third flanges extend laterally outward in opposing directions from the second edges of the webs. A flat flooring structure is supported by the upper surfaces of the beam. | 11-18-2010 |
20100313505 | LIGHT-WEIGHT LOAD-BEARING STRUCTURES - The invention relates to a light-weight load-bearing structure ( | 12-16-2010 |
20110131905 | CEMENTITIOUS DECK OR ROOF PANELS AND MODULAR BUILDING CONSTRUCTION - An improved cementitious panel of the type which, in use, is supported, with its upper surface in biaxial compression, by steel beams and forms part of a deck or roof in a modular structure, wherein the improvement comprises a single layer of reinforcement in the panel. | 06-09-2011 |
20110225908 | SYSTEM AND METHOD FOR CONCRETE SLAB CONNECTION - Systems and methods of transferring loads between adjacent cast-in-place slabs, such as concrete slabs, and for accurately positioning dowels between adjacent sections of slabs are provided. A generally planar plate-type dowel is used which may be positioned within a cutaway in a preexisting slab of concrete. The dowel is shaped to generally conform to the shape of the cutaway, which is made by a saw blade. Once the dowel is positioned within the preexisting slab, a new slab is poured adjacent the preexisting slab. Rubber seals are included on the edges of the dowels to provide spacing or a gap between the dowel and the preexisting slab to allow for lateral independent movement of the adjacent slabs, and to prevent concrete from the newly poured second slab from entering into the gap. A saw unit for making a generally planar cut horizontally into an edge of a hardened concrete slab is also provided. | 09-22-2011 |
20110258949 | PRESTRESSED SLAB ELEMENT - The invention relates to a prestressed slab element ( | 10-27-2011 |
20120090254 | METHOD OF FORMING FLAT STRIP STEPPED SLAB FLOOR SYSTEM OF REINFORCED CONCRETE - A system and a method for a reinforced concrete slab are disclosed. The system includes a plurality of column strips of a predefined thickness positioned on a plurality of columns, a plurality of transitional strips positioned adjacent to the plurality of column strips, whereby a thickness of the plurality of transitional strips comparatively less than the predefined thickness of the plurality of column strips, a central panel bound by the plurality of transitional strips, whereby the thickness of the central panel comparatively less than the thickness of the plurality of transitional strips and a plurality of column steps positioned in between the plurality of columns and the plurality of column strips. | 04-19-2012 |
20120240497 | CONSTRUCTION SYSTEM - A reinforcing structure is described for use in supporting a floor at a junction thereof with a structural column. The structure has several generally elongate, preassembled frame structures, each frame structure are disposed in rows parallel to one another. The frame structures incorporate the main top and bottom reinforcement bars for the reinforced floor with integral shear connectors forming part of the frame structures and the shear connectors tying the top and bottom reinforcement together. Transverse internal reinforcing bars are disposed parallel to one another and connected across the top or bottom reinforcing bars of each frame structure to connect the preassembled frame structures into a cagework of spaced-apart, rigidly connected frame structures. | 09-27-2012 |
20120285108 | LOAD TRANSFER DEVICE - A load transfer device is provided to connect concrete elements including, but not limited to, sandwich and double wall panel wythes, roof, floor, balcony and canopy members, and pavement. The device may be used to connect and transfer loads between the components of sandwich and double wall panels. The device includes two load transfer members positioned at an angle with respect to one another. Additionally provided are a retention housing for retaining one or more load transfer members at their angled positions and a depth locating means for retaining one or more load transfer members at their proper depth. Also provided are sandwich wall panels and double wall panels employing the load transfer device and methods for manufacturing sandwich wall panels and double wall panels employing the disclosed load transfer device. | 11-15-2012 |
20120324811 | REINFORCED CONCRETE PARTITION BODY - Provided is a reinforced concrete partitioning structure that can exhibit electromagnetic shield function against an electromagnetic wave at target frequency. It includes an RC wall to attenuate an electromagnetic wave at target frequency propagating from an inner space to an outer space, a concrete portion having a thickness in a direction from the inner space to the outer space, and a front reinforcing bar lattice which forms a reinforcing bar plane in lattice at a position along the thickness of the concrete portion. The front reinforcing bar lattice has a plurality of longitudinal bars arranged at fixed spacing, and a plurality of transverse bars arranged at fixed spacing to intersect the longitudinal bars. The spacings of the longitudinal bars and transverse bars are adjusted according to the wavelength of an electromagnetic wave at the target frequency. | 12-27-2012 |
20130014457 | REINFORCEMENT STRUCTURE OF RECTANGULAR FLAT METAL PLATEAANM Suzuki; ToshiroAACI Kawasaki-shiAACO JPAAGP Suzuki; Toshiro Kawasaki-shi JP - Disclosed is a reinforcement structure of a rectangular flat metal plate, which is provided with: a rectangular flat metal plate that is predominantly subjected to in-plane shear, and supports a compressive load as necessary; strip-like rectangular section members that are spliced in parallel with both side edges of the flat plate in the longitudinal direction so as to reinforce the flat plate; and a plurality of square tube-like members that are parallelly arranged for each constant interval in the shorter side direction of the flat plate, and are spliced on one side surface of the flat plate, or are spliced so as to overlap one another across the flat plate between both surfaces of the front and back of the flat plate, wherein the torsional rigidity and torsional strength of the rectangular flat metal plate are increased to ensure a yield shear load, and shear yield strength can be stably maintained even in the transition of shear deformation after the yield. | 01-17-2013 |
20130125484 | System and Method for Concrete Slab Connection - Systems and methods of transferring loads between adjacent cast-in-place slabs, such as concrete slabs, and for accurately positioning dowels between adjacent sections of slabs are provided. A generally planar plate-type dowel is used which may be positioned within a cutaway in a preexisting slab of concrete. The dowel is shaped to generally conform to the shape of the cutaway, which is made by a saw blade. Once the dowel is positioned within the preexisting slab, a new slab is poured adjacent the preexisting slab. Rubber seals are included on the edges of the dowels to provide spacing or a gap between the dowel and the preexisting slab to allow for lateral independent movement of the adjacent slabs, and to prevent concrete from the newly poured second slab from entering into the gap. A saw unit for making a generally planar cut horizontally into an edge of a hardened concrete slab is also provided. | 05-23-2013 |
20130174503 | COMPOSITE PANEL INCLUDING PRE-STRESSED CONCRETE WITH SUPPORT FRAME, AND METHOD FOR MAKING SAME - A composite panel comprising an elongated concrete. A plurality of elongated pre-stressed cables pass through the slab, extending from the first end to the second end. Also provided is a support frame including an upper chord and a lower chord, the upper and lower chords generally extending in parallel relation from the first end to the second end of the slab. The upper chord is adjacent the upper side of the slab and the lower chord is adjacent the lower side. A plurality of connection studs extend transversely between the upper chord and the lower chord. A plurality of anchors extend from the support frame to the pre-stressed cables, a covered portion of the anchors being cast in the concrete and an exposed portion of the anchors maintaining the support frame in generally parallel spaced relation from the inner face of the slab. | 07-11-2013 |
20130333314 | FORM ASSEMBLY FOR CONCRETE SLABS AND METHODS OF ASSEMBLING SAME - A form assembly includes an outer frame having a predefined shape. The frame includes at least two segments that are coupled together at a coupling portion. Each segment includes a first flange and a second flange positioned a predefined distance from the first flange. The first flange includes openings that extend substantially therethrough and the second flange includes openings that extend substantially therethrough and that are substantially concentrically aligned with the first flange openings. A lifting apparatus is positioned in a location that is bounded by the frame. Rebar members are coupled to the frame such that at least a portion of one of the rebar members is positioned within one first and second flange openings. At least four rebar segments are coupled to the lifting apparatus such that the rebar segments define an X-shape within the form assembly to facilitate maintaining the frame in the predefined shape. | 12-19-2013 |
20130340365 | Tetrahedral Tube Reinforcement of Concrete - A weight reduced and strength enhanced concrete structure in which at least one tubular reinforcing core is embedded in a solid concrete matrix. Each core is a chain of integrally interconnected hollow tetrahedra. Each tetrahedra has triangular faces connected at common edges and vertices. The planar faces of adjacent tetrahedra are spaced from each other, and concrete fills the spaces. The cores are suspended within the concrete and self-anchored, without anchors at the exterior surface of the structure. With the embedded cores the concrete structure becomes more resistant to compressive, tensile, and bending loads. For even greater strength of the structure, the cores can be tensioned and thereby pre-stress the concrete. Impact or other loads are distributed substantially isotropically, thereby reducing local stresses. These advantages can be achieved with cores that are lighter than the concrete material they displace or rebar they replace. | 12-26-2013 |
20140013683 | CONCRETE SLABE STRUCTURAL MEMBER AND CONSTRUCTION METHOD FOR POURING SAME - A concrete slab structural member comprises a frame of cold bend thin wall steel profiles and concrete enclosing the same, in which the main surfaces of two longitudinal cold bend thin wall steel profiles ( | 01-16-2014 |
20140102020 | CEMENT MORTAR PANEL WITH PRESTRESSED BIAXIAL REINFORCEMENT - This cement mortar panel with prestressed biaxial reinforcement is formed by a slab of cement mortar which, having a thickness ranging from 2 to 7 cms, includes a biaxial reinforcement. The slab has occluded in the cement plugs for versatile operating on the panel assembly allowing for its handling and/or fixation to a building structure via a plurality of panel fixing members. Each panel fixing member has a first end inserted in an axial blind hole of said plugs and a second opposite end which passes through a polygonal plate associated with positioning members configured to enable adjustment of a distance between the panel and the building structure. The building structure further comprises transverse sections having a portion thereof forming an upwardly open cannel-shaped cradle configured to receive one edge of the polygonal plate. | 04-17-2014 |
20140137492 | DUAL DIRECTION PRE-STRESSED PRE-TENSIONED PRECAST CONCRETE SLABS AND PROCESS FOR SAME - A precast roadway slab is pre-tensioned longitudinally and transversely, and may also be post-tensioned. A casting bed has the capability of permitting pre-tensioning of a concrete cast to be carried out within the casting bed in both the longitudinal direction and in the transverse direction. Slots are provided at regular intervals within the side walls and jacking heads of the casting bed for tensioning wires to pass therethrough for pre-tensioning. The process utilizes a multilayer grid of pre-tensioning wires disposed within the casting bed, prior to pouring of the concrete. The cast concrete product can also be made with optional tubular ducts, laid parallel to the longitudinal wires, for post-tensioning subsequent to the cast of the concrete. The post-tensioning of the hardened cast, if called for, takes place at the job site. | 05-22-2014 |
20140318056 | PRESTRESSED, CAMBERED AND COMPOSITE CELLULAR STEEL DECKING FLOOR SYSTEM - A prefabricated composite floor system composed of a prestressed, pre-cambered assembly of a top corrugated composite steel deck ( | 10-30-2014 |
20150027071 | COMPOSITE WALL SYSTEM - A building structure comprising a support structure having upper portion extending to adjacent a floor structure above the support structure and adapted to receive stand-off fasteners there along, a plurality of stand-off fasteners each having a lower portion and an upper portion, where the lower portion of the stand-off fasteners comprises a self-drilling end portion and an adjacent thread-forming portion and, when installed into the upper portion of the support structure, at least a portion of the upper portion of each stand-off fastener extends significantly above the upper portion of the support structure, a cementitious wall structure formed above the upper portion of the wall structure with the upper portions of the stand-off fasteners encapsulated in the cementitious wall structure. | 01-29-2015 |
20150047278 | THIN CEMENTITIOUS DECKING MEMBERS - A thin cementitious decking member is described. The thin cementitious decking member can span and be attached to two or more support members. The thin cementitious decking member can include a binder and natural or artificial sands, stones, or other aggregates. The thin cementitious decking member should have a thickness no greater than 1 ¾″. The thin cementitious decking member can include pre-stressed tendons bonded to the thin cementitious member. The pre-stressed tendons can be tensioned to impose a longitudinal compressive force into a cross section of the member. In this manner, the thin cementitious member is capable of supporting weight over a span between the two support members greater than 4 times the width of the thin cementitious member. | 02-19-2015 |
20150059268 | PRESTRESSED AND CAMBERED STEEL DECKING FLOOR SYSTEM - A prefabricated composite floor system composed of a prestressed, pre-cambered assembly of a top corrugated composite steel deck ( | 03-05-2015 |
20150292203 | SYSTEM AND METHOD FOR BIAXIAL SEMI-PREFABRICATED LIGHTWEIGHT CONCRETE SLAB - The present invention solves the existing problem of obtaining a self-carrying biaxial homogeneous lightweight concrete slab. The present invention consists of a system and method comprising semi prefabricated elements and special stringer structures, designed in such a way, that the finished flat slab structure appears homogeneous and can be achieved without temporary supports during the execution. The present invention solves the problem in a simple and economical manner, increasing building speed, and providing an enhanced range of applicability. | 10-15-2015 |
20160010289 | DUAL DIRECTION PRE-STRESSED PRE-TENSIONED PRECAST CONCRETE SLABS AND PROCESS FOR SAME | 01-14-2016 |
20160069080 | PRE-STRESSED BEAMS OR PANELS - A method of manufacturing a pre-stressed beam or panel and the resulting beam or panel are described. The method includes providing a timber-based component ( | 03-10-2016 |
20160160491 | METHOD FOR ERECTING A STRUCTURE MADE OF PREFABRICATED CONCRETE ELEMENTS AND ASSOCIATED STRUCTURE - The invention relates to a method for erecting a structure | 06-09-2016 |
052223700 | Composed of abutting modular panels or blocks | 17 |
20080245005 | Reusable Modular Block Wall Assembly System - A reusable modular block system includes a lightweight structural block having a top, a bottom, a first block end, a second block end, an insulating core, an inside facing and an outside facing wherein the structural block is configured to create internal vertical and horizontal raceways between adjacent blocks, a gasketing system connected to the structural block along a portion of the periphery of the structural block, and a fastening system within and that extends horizontally and vertically through the insulating core where the structural block, the gasketing system and the fastening system form a single, integral block component. | 10-09-2008 |
20090049776 | STABLE AND EFFICIENT BUILDING SYSTEM - A plurality of different types of modules are used to form external and internal walls of a building system. Adjacent modules are interlocked by first and second fitting surfaces of respective adjacent modules. First and second adjacent modules are attached using a fastening system which includes a fixing rod and wall fitting unit. A fitting surface of the first adjacent module is fitted with the wall fitting unit and the fixing rod is inserted through the second adjacent module. | 02-26-2009 |
20090071083 | Stilted floor unit - A stilted floor unit comprises comprises a floor plate, having a lower side and four corners, four bearing elements on the lower side of the floor plate at the four corners thereof, respectively fastened to four stilts by holes and fixing elements, and connecting rods, each connecting two of the bearing elements. Thereby load on the floor plate is distributed, so that stability and buckling resistance thereof is enhanced. | 03-19-2009 |
20090313923 | WALL SYSTEM - The present invention is directed to a block building system for building a wall structure that includes a plurality of pre-formed blocks configured to be stacked vertically upon one another to form the wall structure. Each block has at least one frustum-shaped protrusion on a top surface of the block, a horizontal channel formed in a bottom surface of the block, and at least one aperture extending vertically through an interior of the block. The system also has at least one base track, a plurality of T-shaped reinforcement members configured to engage with and extend upwardly from the track, a plurality of extension members that interlock with and extend T-shaped reinforcement members, and securing members. One or more courses of blocks can be vertically stacked over the base track by passing the T-shaped reinforcement members and/or extension members through the apertures formed in the blocks, thereby forming the wall structure. | 12-24-2009 |
20100307081 | FIT-TOGETHER TYPE OF PRECAST CONCRETE LINING AND BRIDGING STRUCTURAL BODY - The present invention relates to a fit-together type of precast concrete lining and bridging structural body in which main girders are integrated with deck plates. Precast concrete deck members connected in longitudinal and transverse directions are pre-stressed by pre-stressed members, thereby making it possible to increase load carrying capacity or rigidity of a structure to stably use the structure for a long time. Further, it is possible to support the load applied from the top of a deck structure with a small thickness, and to make the deck structure light. Due to a knockdown type (fit-together type), installation and dismantlement are easy, and reuse is possible, and thus it is possible to provide convenient construction and low production costs. | 12-09-2010 |
20110041433 | Method to Compress Prefabricated Deck Units with External Tensioned Structural Elements - A structural system comprised of prefabricated deck units spaced along longitudinal load-carrying members with tensioned structural elements, typically anchored in longitudinal load-carrying members, which produce longitudinal axial compression in these units. During construction, prefabricated deck units are erected on top of and supported by the longitudinal load-carrying members via leveling devices. Leveling devices permit relative motion between the longitudinal load-carrying members and the prefabricated deck units, except at two ends of a structural unit, where deck connection units are connected to longitudinal members. In the longitudinal direction, each girder line contains more than one girder or girder segment and the girders or girder segments are not continuous during tensioning. The girder support allows the girder or girder segments to move in the longitudinal direction. When the tensioned structural elements are stressed, the longitudinal component of the tensioned structural element can become compression in the deck. Tensioned structural elements in the girder or girder segments are deviated relative to the horizontal plane of the prefabricated deck units, subsequently enhancing the load-carrying capacity of the longitudinal load-carrying members. | 02-24-2011 |
20110131906 | ONE-PIECE INTEGRATED COMPOSITE WALL FOUNDATION AND FLOOR SLAB SYSTEM - A unitary, composite wall foundation and floor slab structure and system is provided by a pre-stressed cast concrete structure having a wall foundation region, a floor slab region and a transitional region therebetween and strands passing through all of those regions. One or more such structures are also post-tensioned using cables passing through tube embedded in the cast concrete structure and, when a plurality of such structures are employed in a modular manner, such post-tensioning draws all such modules into a larger unitary composite wall foundation and floor slab structure. The transition region may be further reinforced by angular reinforcing elements. Intermediate and end sections of varied shape may be used to complete the structure. | 06-09-2011 |
20110271617 | PRECAST COMPOSITE STRUCTURAL FLOOR SYSTEM - A composite floor panel includes a concrete floor deck having a side portion and an edge member secured to the side portion. The edge member is configured to be positioned in proximity to an adjacent edge member. The adjacent edge member is coupled to an adjacent concrete floor deck. The edge member is further configured to have a junction formed between the edge member and the adjacent edge member to define a channel. The edge member is further configured to have a binder material placed in the channel to form a joint between the concrete floor deck and the adjacent concrete floor deck. | 11-10-2011 |
20110271618 | PRECAST COMPOSITE STRUCTURAL FLOOR SYSTEM - A composite floor panel includes a concrete floor deck having a side portion and an edge member secured to the side portion. The edge member is configured to be positioned in proximity to an adjacent edge member. The adjacent edge member is coupled to an adjacent concrete floor deck. The edge member is further configured to have a junction formed between the edge member and the adjacent edge member to define a channel. The edge member is further configured to have a binder material placed in the channel to form a joint between the concrete floor deck and the adjacent concrete floor deck. | 11-10-2011 |
20120023845 | Base Mat Assembly And Method For Constructing The Same - A precast reinforced concrete base mat element, a base mat assembly and method for constructing a base mat assembly from a plurality of the base mat elements are described. The base mat element comprises a concrete body having first and second conduits extending there through in first and second generally perpendicular directions and a liner plate anchored in the concrete body. Preferably the concrete bodies have interlocking surfaces formed there on. A plurality of the base mat elements may be juxtaposed together with the interlocking surfaces interlocking with one another and with the tensile members extending through the first and second tensile conduits and being post-tensioned and anchored about the base mat elements to clamp the base mat elements together. The liner plates may then be welded together to form a generally planar membrane. In one embodiment, at least one of the first and second tensile conduits is located above and one below the horizontal center planes of the concrete bodies to limit the base mat elements from displacing vertically relative to one another. | 02-02-2012 |
20120222375 | Method to Compress Prefabricated Deck Units by Tensioning Elements at Intermediate Supports - A structural system comprised of prefabricated deck units spaced along longitudinal load-carrying members which produces longitudinal axial compression in deck units. During construction, prefabricated deck units are erected on top of and supported by the longitudinal load-carrying members via leveling devices, which also permit relative motion between the longitudinal load-carrying members and the prefabricated deck units. Anchor assemblies are affixed to the longitudinal load-carrying members near intermediate supports. Tensioned structural elements are installed in the anchor assemblies between spans and stressed to induce tension in the longitudinal load-carrying members and subsequently produce deck compression. | 09-06-2012 |
20120272596 | SET OF ELEMENTS FOR CONSTRUCTING A WOODEN WALL AND METHOD FOR USING SUCH ELEMENTS - The invention relates to a set of building elements comprising a first type of element ( | 11-01-2012 |
20120317906 | MODULAR SLAB AND MODULAR SURFACE SYSTEM - A removable modular slab for use in the construction industry includes upper, lower, and first and second opposing end surfaces, and a conduit extending from the upper surface to an end surface. The slab is abuttable with a second removable modular slab, having: (i) a conduit extending from the upper surface to an end surface, and/or (ii) a cavity extending from an end surface into the slab, whereby the conduits mate to form an elongate conduit through the two slabs. By access through apertures in each slab, a first joining structure is removably locatable to join the two slabs. Cavities may terminate within the second slab and only be accessible through the upper surface of the first slab. A modular surface system includes two such slabs and a joining structure to join the two slabs together. | 12-20-2012 |
20130212964 | APPARATUS FOR CONSTRUCTION OF SAFETY MATS - An array of resilient floor tiles is assembled into a continuous sheet after being laid down. An array of included, sacrificial resistive wires is buried along the edges of the tiles and is controllably heated in order to cause welding of the edges of tiles across the paths of the wires to neighboring tiles. Subsequently the wires may be used to give the array integral tensile strength. The welded array is provided with greater strength for resisting use, expansive and contractile forces caused by environmental heat and cold and also long-term tile contraction owing to loss of plasticiser as may be seen with PVC-based tiles. | 08-22-2013 |
20130318896 | Pre-Tensioned Discrete Element Support System - A matting system comprised of an assembly of discrete, individual small mat segments connected by pre-tensioned cable elements. The mat segments are configured to displace at the connecting surfaces of the mat segments at a predetermined load. The pre-tensioned cable elements holding the mat segments together are elastic through a reasonable displacement range so that the mat segments of the matting system will reassemble after the applied load is removed. | 12-05-2013 |
20140208672 | Concrete Storage Facility - A pre-stressed concrete storage apparatus includes a plurality of panels secured together to form a hollow interior space for storing items. An outer door panel is selectively moveable for restricting access to the interior of the apparatus. A secondary metal door and cage assembly is located behind the primary outer door panel for further restricting access to the interior of the storage apparatus. A pulley system is provided for mechanically lifting and lowering the outer door panel. | 07-31-2014 |
20160177531 | Method for Joining Plastic Parts and Foundation Mat Product Therefor | 06-23-2016 |