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| Number | Title | Issue Date |
| 6386628 | Folding table and seating apparatus A folding table includes a pair of table top members having a straight edge and an outer edge forming an oval table surface. A folding linkage folds the table tops about centerline between a use position and a folded storage position. Stools are disposed ... | 05/14/2002 |
| 6192808 | Folding table with latching linkage A folding table includes a folding table top and a framework typically mounted on casters or rollers. A linkage provides for folding of the table top between a use position wherein the table top is substantially horizontal and a storage position wherein t... | 02/27/2001 |
| 6189283 | Portable floor A portable floor system (20) including individual floor sections (22, 24) joined by interlocking tongue elements (40) and receiver elements (50, 70). Each floor section (22, 24) is substantially planar and rectangular, and includes tongue elements on two ... | 02/20/2001 |
| 6164016 | Deck connector A folding stage includes deck connectors that are configured for engaging a bore formed in the decks. The connectors may extend outward to support bridging decks adjacent the stage. Pin-type connectors are rotatable into a retaining position are rotatable... | 12/26/2000 |
| 6070367 | Folding stage A folding stage includes a folding linkage with cross members and a center lock. The center lock has a handle below the cross members and off to the side of the cross members to prevent pinching of operators' hands and fingers. The folding linkage folds f... | 06/06/2000 |
| 6065802 | Folding table and seating apparatus A folding table with seating, the table having an oval shape and seating structure. The folding table includes a pair of semi-circular shaped table top sections folding along the straight edge of each section. A lock maintains the table in the unfolded po... | 05/23/2000 |
| 6024026 | Tri-height folding stage An elevationally adjustable folding stage folds between a use position wherein the panels are substantially planar, to a storage position wherein the panels face one another. Support legs are guided into a proper folding position by a guide plate having a... | 02/15/2000 |
| 5660121 | Folding framework and support legs A folding framework (18) for a ramp section (12) includes folding legs (20). The legs include extendable members (24) extending between the sets of legs with an inner sliding member (28) and a outer sliding member (26) providing for folding motion. The se... | 08/26/1997 |
| 5615451 | Roller assembly lift mechanism A stage or other structure having support legs includes rollers which are mounted so as to be supporting the stage in a first position and having the stage legs support the stage in a second position. A lift mechanism includes actuating pedals near the gr... | 04/01/1997 |
| 5613450 | Mobile folding stage A folding stage (20) includes a folding framework (22) supporting stage decks (24). The stage is supported on a caster frame (38) including casters (26) for moving the stage from location to location in a folded position. Inner legs (32) and outer legs (3... | 03/25/1997 |
| 5349789 | Multi-level folding stage An elevationally adjustable folding stage has a frame which folds along a center of the stage from a storage position to a use position. Stage panels of interchangeable widths form a stage surface and are reversible and interchangeable. The stage may also... | 09/27/1994 |
| 5325640 | Folding stage system An elevationally adjustable folding stage has a frame which folds along a center of the stage from a storage position to a use position. Stage panels form a stage surface and are reversible and interchangeable. The stage may also support additional panels... | 07/05/1994 |
| 5022200 | Interlocking sections for portable floors and the like Interlocking sections for portable floors and the like have a floor section (10) having interlocking members set in molded urethane (15) for connections along the edges of the floor sections (10). The interlocking members latch a male member (50) and a fe... | 06/11/1991 |
| 4988131 | Interlocking sections for portable floors and the like Interlocking sections for portable floors and the like have a floor section (10) having interlocking members set in molded urethane (15) for connections along the edges of the floor sections (10). The interlocking members latch a male member (50) and a fe... | 01/29/1991 |
| 4979340 | Mobile folding choral riser A mobile folding choral riser includes a foldable frame having means for receiving a number of removable riser steps at progressively higher locations on the frame. Locking means are provided for releasably securing the steps to the framework. A guardrail... | 12/25/1990 |
| 4949649 | Folding stages An elevationally adjustable folding stage (30) has two stage surface members (32, 34) which form a planar stage surface. The stage surface members (32, 34) fold to substantially vertical storage position. The stage (30) includes elevationally adjustable t... | 08/21/1990 |
| 4932333 | Stabilizing wheels for folding table A folding table (10) has two folding tabletops (12) and associated benches (14) which fold on a linkage (38). The support legs (18) have main support wheels (26) and stabilizing wheels (3) mounted on an outrigger (32) extending outward from the main suppo... | 06/12/1990 |
| 4885813 | Folding headboard for folding bed An automatic folding headboard for a folding wallbed functions, when the bed is in its horizontal use position, to cover the recess in the wall or cabinet into which the bed folds. The headboard automatically folds to a storage position in response to mov... | 12/12/1989 |
| 4750432 | Extensible table A table is disclosed having extension leaves secured to opposite edges of the table top by hinges. The hinges include a first hinge member which is secured to the leaf and a second hinge member which is connected to the table top and is slidable relative ... | 06/14/1988 |
| 4592105 | Bed frame construction A bed frame includes special structures for supporting and holding the bed slats in the required spacing. The side frame members of the bed frame each have elongate flange members which project from the side frame member inwardly of the bed and extend sub... | 06/03/1986 |
| 4480556 | Adjustable folding ironing board A folding ironing board including a mounting mechanism for mounting the ironing board to a wall or other support. The mounting mechanism includes pivotally connected support and control members for permitting folding movement of the ironing board between ... | 11/06/1984 |
| 4449263 | Powered folding support structure A drive coupling for a power operated folding support structure which is pivoted between a horizontal use position and a vertical storage position by an electric drive mechanism. A drive coupling operatively couples the arm of the electric drive motor to ... | 05/22/1984 |
| 4446796 | Table and improved hinge mechanism A table and improved hinge mechanism therefor. A table top (11) having extension leaves (13, 14) secured to opposite edges (15, 16) of top (11) by hinges (17, 17A, 17B, and 17C). Hinge (17) including a pivot member (20), a slide member (21), a pivot pin (... | 05/08/1984 |
| 4340929 | Illuminated portable floor An illuminated, portable floor comprising a plurality of releasably, lockable panels having an array of illuminable members disposed in a desired design pattern in the upper surface of each panel, male and female mechanical coupling members disposed aroun... | 07/20/1982 |
| 4337670 | Yieldable multi-function linkage apparatus for powered pivoting loads A support structure (10), preferably a rotatable bed, pivotable between a generally horizontal use position and a generally vertical storage position is disclosed. A counterbalancing mechanism (20) which reduces the amount of force needed to rotate the su... | 07/06/1982 |
| 4327650 | Support structure for mobile folding stage A mobile folding stage having a pair of stage surface members (10, 11), main support legs interconnected to form a base frame (12), and outer support legs (14, 15). Casters (70-73) are connected to caster beams (60-63) which are pivotally mounted to a cas... | 05/04/1982 |
| 4301627 | Guard rails for portable stages A protective barrier (14, 15) for removable installation at the edge of a stage surface member (12) supported on legs (13) and having a framing flange (13, 101), including a guard rail (20, 60), a member (24, 64, 103) for supporting the rail on the stage ... | 11/24/1981 |
| 4296573 | Audience control barrier An audience control barrier for use with an elevated stage, for maintaining physical separation for performers on the stage from an audience on the other side of the barrier. The barrier is modular in form, each module including a rigid panel and brackets... | 10/27/1981 |
| 4136622 | Folding wall table A table surface member is movable between a vertical storage position against a wall and a usable positioned horizontally extending from the wall. The table member connects to the wall by means of a hinge assembly which permits folding of the table such t... | 01/30/1979 |
| 4133271 | Folding table with locking hinge An improved lockable hinge for a folding table of the type having table surface members which fold to a vertical storage position and to a horizontal usable position. The table is locked at an intermediate position when moving towards the usable position ... | 01/09/1979 |
| 4100858 | Folding wall table A table surface member is movable between a vertical storage position against a wall and a usable position horizontally extending from the wall. The table member connects to the wall by means of a hinge assembly including upper and lower hinge arms which ... | 07/18/1978 |
| 4054096 | Mobile elevationally adjustable stage The stage section comprises a pair of planar stage surface members hinged together for movement between a compact folded position, and an operative position. Pairs of main support legs are pivotally attached to each stage surface member so as to remain su... | 10/18/1977 |
| 4026221 | Multi-leg mobile folding stage An elevationally adjustable mobile folding stage includes two independent stage members pivotally connected for movement between an operational position and a folded storage position. Support legs are pivotally mounted to the two stage members and are piv... | 05/31/1977 |
| 3999245 | Counterbalance hinge for pivoting loads An improved counterbalance hinge assembly has a bias spring and uniquely shaped cam for counterbalancing inherently nonlinear forces represented by pivoting loads such as fold up wall type beds, desks, and the like. A cable attached to the spring wraps pr... | 12/28/1976 |
