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| Number | Title | Issue Date |
| 7369310 | Tensioned projection screen A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members. ... | 05/06/2008 |
| 7363933 | Erectable canopy with reinforced roof structure The quickly erectable canopy shelters include a plurality of legs connected together by an extendible perimeter assembly of link members. The roof structure is formed by a pole members pivotally mounted to the upper ends of the legs so as to extend across the shelte... | 04/29/2008 |
| 7325790 | Post setting insert An insert for assisting and easing the task of setting fence posts or the like into a concrete or aggregate footing. The invention comprises: two identical half-forms, which when faced 180 degrees to each other, interlock together to form a full form, a snap-on leve... | 02/05/2008 |
| 7318444 | Hub assembly for an umbrella frame An umbrella frame provides a stable and enduring support for an umbrella canopy while also allowing canopies of varying shapes and sizes to be mounted thereto. The umbrella frame includes a hub assembly, namely, a main hub member mounted about a central pole member ... | 01/15/2008 |
| 7275555 | Canopy truss A canopy of the type that is typically packaged in a kit form that permits consumers to assemble a group of pipe members into a canopy structure. Once assembled and erected, the canopy includes a series of vertical posts and a series of rafters that extend upwardly ... | 10/02/2007 |
| 7252108 | Collapsible shelter with flexible, collapsible canopy The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. ... | 08/07/2007 |
| 7243473 | Post assembly and trim ring An assembly for posts includes a rigid interior column and a decorative shell mounted around the column. The interior column is anchored to a base that is mountable to a floor, ceiling or other support structure. The base has one or more vertical uprights configured... | 07/17/2007 |
| 7232114 | Fence assembly with rail clip for use therewith A fence assembly comprising fence posts, fence rails and clips for connecting them together. The fence posts have at least one opening in one or more of the walls and the rail clips are sized to snap fit into the openings. The rail clip includes a rear wall with a p... | 06/19/2007 |
| 7178541 | Erectable canopy with reinforced roof structure The quickly erectable canopy shelters include a plurality of legs connected together by an extendible perimeter assembly of link members. The roof structure is formed by a pole members pivotally mounted to the upper ends of the legs so as to extend across the shelte... | 02/20/2007 |
| 7178542 | Erectable canopy with reinforced roof structure The lightweight erectable canopy shelters include a plurality of legs connected together by an extendible perimeter assembly of link members. In one embodiment, the roof structure is formed by a pole members pivotally mounted to the upper ends of the legs so as to e... | 02/20/2007 |
| 7159725 | Balloon holding assembly A balloon holding assembly includes a bottom support and an upper support each having a top side and a bottom side. A plurality of elongated vertical supports each has an upper end and a lower end. A plurality of couplers is attached to each of the upper and bottom ... | 01/09/2007 |
| 7152384 | Dome kit, structure and method A new and useful Dome Kit, dome shaped structural system and method of assembling a dome shaped structural system are provided. The Dome Kit and method are used to form a dome shaped structural system comprising a compression ring, a lower ring that is larger than t... | 12/26/2006 |
| 7086341 | Connector and hub having locking element A structure (10, 44, 50) can be formed by using a plurality of hubs (12), connectors (14) and elongate members (16). The hubs (12) have a series of locking slots (18) formed at regular intervals about the outer circumference... | 08/08/2006 |
| 7070356 | Multipart plug-type connector A plug-in connector for hollow sections of spacer frames for insulating glass panes with two connector parts which can be plugged together. The connector parts have one of an essentially U-shaped and box-shaped cross section. The connector parts include side walls w... | 07/04/2006 |
| 7069703 | Method and system for constructing large, continuous, concrete slabs A method and system are provided for constructing large, continuous, concrete slabs without using conventional shrinkage joints. The system comprises a grid of closely-spaced crack inducers (2) arranged relative to a concrete-pouring surface and adapted to be... | 07/04/2006 |
| 7048082 | Driver's cab for a work vehicle The invention provides a driver's cab for a work vehicle which is provided with a function of effectively transferring an external force applied to a ceiling portion to a pillar without making a structure complex, and can achieve a reinforced structure. In a driver'... | 05/23/2006 |
| 7021590 | System for angular connection of mounting rails The system (31) for angular connection of mounting rails comprises a U-shaped connection member (1) that has on at least one lateral wall (2.1, 2.2, 3) openings (4.1, 4.2, 4.3) for passage therethrough of a fastener for fastening a connec... | 04/04/2006 |
| 6965075 | Frame for electrical and electronic equipment housing cabinets and a frame joining structure A frame joining structure for electrical and electronic equipment housing cabinets, in which ends of frames are simplified in shape to dispense with complex cutting and which possesses excellent strength and waterproof property. Ends of outer side surfaces (4... | 11/15/2005 |
| 6902068 | Supporting frame for a cabinet of an electrical panel A supporting frame for a cabinet of an electrical panel has a first structural element and a second structural element with contoured bodies and which are mutually connectable. One of the structural elements includes engagement means for connecting the elements.... | 06/07/2005 |
| 6874520 | Erectable canopy with reinforced roof structure The quickly erectable canopy shelters include a plurality of legs connected together by an extendible perimeter assembly of link members. The roof structure is formed by a pole members pivotally mounted to the upper ends of the legs so as to extend across the shelte... | 04/05/2005 |
| 6729244 | Tubular-frame structure for supporting surfaces A tubular-frame structure for supporting surfaces comprising a supporting surface (12, 12′), a flat frame (13) and legs (14), in which said frame (13) is composed of tubular profiles (15) which can be combined in various ways, ch... | 05/04/2004 |
| 6397872 | Resilient support for erectable shelter roof The erectable shelter includes a truss framework that provides an elevated, raised canopy that can have a high peak in a raised, extended configuration. The shelter includes a canopy, a leg assembly, and a perimeter truss linkage assembly having a plurali... | 06/04/2002 |
| 6321502 | Method of making connector hub A method of making a connector hub to mate with tubular frame members, for use in constructing a free span building. The method includes constructing multiple slots, each slot having an open end, a closed end, and a longitudinal axis; and for each slot; d... | 11/27/2001 |
| 6233502 | Fault tolerant connection system for transiently connectable modular elements A system and method for transiently connecting modular elements of a self movable robot. The self movable robot is known as metamorphosing robots, polymorphic robots, shape changing robots, or morphable structures. The modular elements can act together to... | 05/15/2001 |
| 6138702 | Resilient support for erectable shelter roof The erectable shelter includes a truss framework that provides an elevated, raised canopy that can have a high peak in a raised, extended configuration. The shelter includes a canopy, a leg assembly, and a perimeter truss linkage assembly having a plurali... | 10/31/2000 |
| 6032430 | Coupling system for bar structures A quick assembling coupling system for bar structures consists of an annular disk containing a number of radial sleeves having their longitudinal axes distributed about the annular disk such that the ends of the bars are held in the sleeves by a prismatic... | 03/07/2000 |
| 5867961 | Contoured cladding support apparatus and method A cladding support system for a framework including rounded tubular members having an arcuate face and flattened opposite ends inserted into cylindrical hubs. The support element includes an elongated span and opposite end portions each including a termin... | 02/09/1999 |
| 5813737 | Construction system A construction system suitable for erecting a modular structure such as a furniture item or the like. A first part is connectable with a second part by a releasable cross connection. A third elongate part has a cavity extending substantially over its full... | 09/29/1998 |
| 5440844 | Connectors for building unit A connector for connecting a column with two beams in a building unit constructed with a plurality of columns and beams connected to each other comprises a core portion having the same sectional shape as the column and a branch portion having a web and pa... | 08/15/1995 |
| 5421356 | Collapsible canopy framework having captured scissor ends with non-compressive pivots An expandable framework structure can be folded for storage and expanded for use, especially as a canopy when a covering is placed on top of the framework. The framework includes a plurality of upright supports and a plurality of edge scissor assemblies t... | 06/06/1995 |
| 5409247 | Wheelchair frame A wheelchair frame is defined by a pair of side frame assemblies that are rigidly connected to each other by a seat pan. Each side frame assembly includes a seat mounting member on which the seat pan is mounted, a bottom member connected to the seat mount... | 04/25/1995 |
| 5345737 | System of modular building elements for display fixtures A modular system of coordinated, interlocking building elements for display fixtures, which include a variety of extruded metal parts, assembled by means of various connectors that attach to the extrusions by means of set screws or snap-ins and provide a ... | 09/13/1994 |
| 5267745 | Wheelchair and wheelchair frame A wheelchair includes a chassis having a pair of side frame assemblies that are rigidly connected to each other by a seat pan. Mounted on each side frame assembly is an interchangeable axle receiving platform for orienting drive wheels at a desired camber... | 12/07/1993 |
| 5244001 | Collapsible canopy framework having captured scissor ends with non-compressive pivots An expandable framework structure can be folded for storage and expanded for use, especially as a canopy when a covering is placed on top of the framework. The framework includes a plurality of upright supports and a plurality of edge scissor assemblies t... | 09/14/1993 |
| 5238321 | Modular construction system A modular construction system for connecting two or more structural members, comprising a universal unit for connection to a first structural member, the unit having at least one planar surface adapted to be oriented in substantially vertical orientation,... | 08/24/1993 |
| 5203134 | Pivotal frame connector A pivotal frame connector or pivotal coupler for pivotally attaching two adjacent display structures wherein each of the display structures includes a skeletal frame formed of a network of elongate support rods joined by hub assemblies which provide for a... | 04/20/1993 |
| 5197818 | Tower constructed of pultruded composites An interlocking joint uses an interlocking mounting bracket to permit the easy incorporation of diagonal braces on the structure. The bracket is primarily intended for use with composite beams that cannot be effectively bolted, nailed, or welded together.... | 03/30/1993 |
| 5190305 | Luggage handling hand cart A luggage hand cart has a luggage supporting platform supported on wheels, with a pair of uprights extending upwardly from the platform at each end. The upper ends of the uprights are compoundly angled to extend inwardly relative to both the ends and side... | 03/02/1993 |
| 5165214 | Space frame A space frame of double-layer flat grid type, in which the upper grid is skewed or angularly displaced by 45° relative to the lower grid, has pairs of oblique struts (16) connecting the lower grid nodes (14) to the upper grid nodes (15). At a lower grid ... | 11/24/1992 |
| 5116160 | Connectors A connector including a rectangular block for attachment to the side of a first frame member, with wings preferably fit into slots within the block and extending laterally from the block, edges of the wings provided an interference fit within hollow frame... | 05/26/1992 |
