Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7021007 | Double-sided sliding door assembly A sliding door assembly is disclosed for use in an environment where both sides of the door are useable. The door assembly includes at least one bottom roller mechanism fitted into a lower portion of a bottom rail. The bottom roller mechanism is adjustable and conce... | 04/04/2006 |
| 6973953 | Screen door A door having four lineal door frame components, each of the lineal components having a cross-section defining an interior space extending in a longitudinal direction of the linear components. Four symmetric, L-shaped members are provided that each have a corner por... | 12/13/2005 |
| 6901705 | Guide rail for a sliding closure having a guide groove with a groove filling device A sliding closure system comprising a frame and at least one slidable leaf member. The frame has a frame upper member and a frame lower member each being formed with at least one longitudinal groove. A groove filling device comprising an elastic member and an elonga... | 06/07/2005 |
| 6434789 | Sliding glass door track engagement and method A moveable sliding glass door track clip guide, ideally formed of plastic, and attached to the bead on the top of the rail on the sill which is subsequently secured in place by a sliding glass door track clip cover which will inhibit the door from jumping... | 08/20/2002 |
| 6026612 | Rolling device having a plurality of recesses for adjusting a level of a sliding leaf An apparatus having a sliding leaf, a slide member, at least two rail wheels mounted on respective spindles, a mounting mechanism affixed to the slide member and extending in a direction perpendicular to a plane of the sliding leaf, and fixing lugs affixe... | 02/22/2000 |
| 5884361 | Slider door mechanism, running gear mechanism and closure return A wheel unit is disclosed for supporting a structure for movement on a track. The unit includes a rotatable wheel having a substantially flat bearing surface and supported on an axis for running on a track. A housing supports the wheel and includes a conv... | 03/23/1999 |
| 5742979 | Rolling support and guide system for sliding doors A rolling support assembly having a carrier with a housing configured for lateral reception within a corresponding cavity in a sliding door for frictional reception therein in a manner precluding longitudinal movement out of the cavity. The carrier mounts... | 04/28/1998 |
| 5488803 | Sash insert for sliding door An insert is disclosed for use with a sliding panel door having a sash and rollers for supporting the door on a rail of a supporting frame. The insert is adapted to be secured to the sash in a vertically adjustable position and extend longitudinally betwe... | 02/06/1996 |
| 5148630 | Security assembly for a sliding glass door A security assembly for a sliding glass door of the type movably fitted within a generally rectangular supporting frame structure wherein a bottom sash includes an open channel having rollers therein for rollable engagement with a rail extending along the... | 09/22/1992 |
| 4850078 | Adjustable roller assembly for sliding doors An adjustable roller assembly for sliding doors including a housing adapted to be snap-fit into a recess provided in the upper or lower surface of a door frame, the housing defining a cavity which is open at the lower end. A roller carrier is mounted in t... | 07/25/1989 |
| 4811683 | Sliding door wheel retainer A wheel retainer prevents a wheel of a sliding or bypass door from jumping off of the floor track on which the wheel rolls. Portions are provided on the lower portion of the retainer for slidably engaging a downwardly facing portion of the track for inhib... | 03/14/1989 |
| 4639970 | Roller assembly with stabilizer elements for sliding panels For slidably mounting a panel such as a door on a railed track, a roller assembly including a roller having a peripheral groove for sliding on the track rail, housing structure for mounting the roller in the panel, and a rigid metal stabilizer element car... | 02/03/1987 |
| 4633615 | Track-inter-locking roller wheel assembly for sliding patio doors Broadside displacement of sliding patio doors from their building framework for removal from the threshold track upon lifting of the doors in attempts at unauthorized entry is prevented with the use of downwardly-extending leg portions at each side of the... | 01/06/1987 |
| 4621876 | Equipment drawer support A support for a vertically oriented equipment drawer including a plurality of guide rollers and a band roller attached to a lower edge thereof, the guide roller riding in a lower guide track positioned on a supporting equipment floor and the band roller r... | 11/11/1986 |
| 4407043 | Under carriages for sliding doors having symmetrical weight distribution This invention relates to under carriages for supporting and displacing heavyweight sliding doors. Two spaced carriages 10 and 11 are arranged to run on a trackrail 6 which is cemented into the ground. Each of the carriages comprises two track wheels 19 a... | 10/04/1983 |
| 4134178 | Adjustable roller assembly for sliding doors and the like A roller assembly for sliding doors and the like includes a case adapted for mounting on the door and forming a cavity that is open at the end adjacent the sliding edge of the door, a carrier located within the cavity of the case and mounted for reciproca... | 01/16/1979 |
| 4127968 | Debris-collecting assembly for sliding door track A debris-collecting assembly for a sliding door track in which a door is slidably mounted in an elongate lower channel of a door frame for movement between open and closed positions, and a top-open pan is removably located in the channel, the pan being op... | 12/05/1978 |
| 4102009 | Roller assembly for sliding doors and windows A simple, adjustable roller assembly for supporting sliding track doors and windows and comprising a U shaped bracket which journals a roller and includes a corner opposite from the journaled roller which engages the intersection between the stile and rai... | 07/25/1978 |
| 4078335 | Sliding closure panel assembly A sliding closure panel assembly which is movable along a horizontal track comprises a horizontal bottom member having a plurality of open areas extending laterally therethrough and spaced along the length thereof. A plurality of roller assemblies are mou... | 03/14/1978 |
| 4064592 | Retainer for sliding doors and the like Wheels for movement along a floor-mounted track at the bottom of a sliding door are shown supported within U-shaped members which are pivotally coupled to brackets secured to the lower edge of the door. The wheels are prevented from being dislodged from t... | 12/27/1977 |
| 3956854 | Apparatus for preventing the accidental detachment of the horizontally rolling sashes of a window of the like from the supporting frame In a sash window or like panel assembly wherein each sash is rollable horizontally over a rail on the sill of a generally rectangular supporting frame, each roller of the sash is rotatably supported by an inverted-U-shaped roller support which is fixedly ... | 05/18/1976 |
