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A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7681281 | Wedge assembly A vehicle door wedge assembly has an elastomeric wedge connected to a first member, and a second member. A wedge perimeter wall has exterior facing and engagement portions, and an interior wall equidistantly spaced from the engagement portion. The interior and engag... | 03/23/2010 |
| 7383614 | Door checker for automobile A door checker includes: a check lever 6 formed, at the proximal end thereof, with a boss 10 connected to a bracket 7 via a shaft 8; a case 1 having through holes 4, 5 through which the check lever 6 passes; and shoes... | 06/10/2008 |
| 7360804 | Articles, systems, and methods for suppressing noise and/or vibrations in hotel/motel doors A door guard for hotel/motel doors comprises two articles, one article to be attached to a door, and another article to be attached to a door frame. One article is attached to the door, including a hook element adapted to receive a latch member of the door guard and... | 04/22/2008 |
| 7243395 | Bumper device A bumper device for use in muffling or deadening the sound created by a door closing against a cabinet includes a bumper device body defining a base, a ring-shaped portion, and a concentrically positioned, conical shaped center portion that further defines an indent... | 07/17/2007 |
| 7228595 | Anti-rattle door assembly An anti-rattle door assembly includes a first member and a second member. The first member includes a first base plate and a roller disposed on the first base plate. The second member is configured to receive the roller of the first member. The second member include... | 06/12/2007 |
| 7156431 | Wedge couple for blocking-up and fixation of windows and doors Wedge couple for fixing and wedging-up of windows and doors in connection with their mounting in a wall opening, and associated with mounting shears with which the wedges can be located and tightened by means of a shearing operation with one hand. The wedge couple i... | 01/02/2007 |
| 7143473 | Door checker for automobile A door checker for an automobile includes: a check lever 6; a case 1 through which the check lever 6 passes and which is fixed to a door D; and a shoe 19 which is housed in the case 1 and in sliding contact with detent surfaces 9 o... | 12/05/2006 |
| 7093320 | Pin-less locks for sliding members A lock for overlapping parallel sliding members has a hinge member having two leaves. The two leaves include a fixed leaf permanently secured to one of overlapping sliding members, and a pivotal leaf pivotally moveable between locked and unlocked positions, to permi... | 08/22/2006 |
| 7032271 | Noise control device for a steel door A noise control device for a steel door includes a buffer, a shock-absorbing member, a stopping member, or only includes a colliding member. The noise control device is installed at any location of a steel door and a casting where noise may be generated when the ste... | 04/25/2006 |
| 6979046 | Side door structure of vehicle and method of designing the side door structure A two-way opening side door structure of a vehicle of which side openings are covered by a front door and a rear door includes a door hinge located at a front end of the front door for swingably supporting the front door, a door hinge located at a rear end of the re... | 12/27/2005 |
| 6966600 | Side door structure of vehicle A side door structure of a vehicle of which side openings are covered by a front door swingably supported by a door hinge located at the front of the front door and by a rear door swingably supported by a door hinge located at the rear of the rear door. The side doo... | 11/22/2005 |
| 6938302 | Door closing mechanism A door closing mechanism, involving a shaft rod that moves in relation to, and is installed inside a tube unit. On the shaft rod is an open/close unit. ... | 09/06/2005 |
| 6901630 | Door check device A door check device includes a first link member engaging structure including a first link member engaging member mounted to a first carrier, a second link member engaging structure including a second link member engaging member mounted to a second carrier, a housin... | 06/07/2005 |
| 6892425 | Removable door check device A removable door check device for holding a vehicle door hinge in an opened position includes a body, first and second leg portions extending from the body and disposed coplanar to the body, a protrusion portion extending from the body in a direction perpendicular t... | 05/17/2005 |
| 6871382 | Door checker for automobile In a door checker for an automobile, including an intermediate recess which is formed in a side face of a check lever and deeper than a ball guide groove and into which a check ball is fitted by a biasing force of a check spring in order to generate a moderation res... | 03/29/2005 |
| 6813811 | Door checker for automobile A door checker for an automobile includes a case secured to a door, and a check plate mounted to extend through the case and supported on a body. A pair of detent members and resilient members for urging the detent members against opposite sides of the check plate a... | 11/09/2004 |
| 6728992 | Retractable door system A retractable door system for returning to a nearly closed position a door that has been opened having: a catch knob secured to a doorframe; a housing secured to a door; a retractable cord anchored within the housing at one end and having means for attaching to the ... | 05/04/2004 |
| 6658696 | Door hinge mounted container holder A door hinge mounted container holder. A body portion is adapted to loosely receive a container such as a spray can of mace. The body portion is adapted for attachment to a door hinge, and preferably includes a pair of door stops to prevent the door from ... | 12/09/2003 |
| 6584642 | Multi-function door stop and door restraint A multi-function door stop is provided comprising a first vertical plate for mounting to a wall and a second horizontal plate affixed to and extending outwardly from the first plate. A hollow elongated tube extends outwardly in a direction away from the s... | 07/01/2003 |
| 6564425 | Vehicle door check device Vehicle door check device comprising: a longitudinal tie (14) provided on its outer surface with at least one retention seat (16), a holder (12) with a passage (28) through which the tie (14) can slide, a plurality of retention bodies (40) supported by the holder a... | 05/20/2003 |
| 6564424 | Door-stop device for vehicles A door-stop device for vehicles having a base structure with a pair of rollers that are parallel to each other and pushed against one another. The door-stop device also includes a metal tie rod with a pair of rolling surfaces set opposite to one another w... | 05/20/2003 |
| 6557209 | Device for restraining movement of a door A device for restraining movement of a door which includes a housing, a foot and pedal pivotally mounted at least partially within the housing, and a first cog portion on the foot and a second cog portion on the pedal. The device is arranged such that the... | 05/06/2003 |
| 6513193 | Door check mechanism providing an infinite number of stable positions A checkstrap assembly is provided for a door of a vehicle. The checkstrap assembly includes an arm passing inside a channel. The arm has a first end rotatably mounted to the vehicle frame such that the door may be selectively moved relative to the arm. A ... | 02/04/2003 |
| 6487752 | Sliding door stop The present sliding door stop is positioned within the header of a sliding door frame. It is comprised of first and second arms connected by a connecting member. First and second bumper surfaces on the inner and outer edges of the first arm are respective... | 12/03/2002 |
| 6473936 | Damping mechanism The present invention provides a damping mechanism capable of varying the moving speed of an openable door or the like in stages as necessary. Such damping mechanism includes a damping body (1) installed with a damper mechanism and allowing a rotative sha... | 11/05/2002 |
| 6467126 | Door check mechanism providing an infinite number of stable positions A vehicle door check assembly is provided including a roller in rolling engagement with an arm. The roller cooperatively engages the arm such that an elastically deformable material is encountered at the roller arm interface providing the vehicle door wit... | 10/22/2002 |
| 6438795 | Buffer device The buffer device (10) has a body (11) which can be fitted in a rail (4), a damping element (12) for cushioning, and a retaining spring (13) for retaining a running mechanism (6) which is guided in the rail (4) and is provided for carrying and guiding sli... | 08/27/2002 |
| 6370732 | Door check mechanism providing an infinite number of stable positions A vehicle door checkstrap assembly is provided including an arm having the first end engaged to the frame and a second end interconnected to a brake member within the vehicle door. The brake member cooperates with a carriage assembly which slidably engage... | 04/16/2002 |
| 6357078 | Hold open assembly for movable closure An assembly for releasably holding a movable closure element in a desired position relative to a support. The holding assembly has a first part with a first element and a first actuator and a second part with a second element and a second actuator. The fi... | 03/19/2002 |
| 6318795 | Vibration preventing structure of tailgate in automobile A vibration preventing structure of tailgate in an automobile wherein a plurality of hitching jaws formed at a first guide bumper are restricted by a rotary member of a second bumper guide at an automobile body when the tailgate is closed, while the jaws ... | 11/20/2001 |
| 6295697 | Vandal-resistant wall-bumper A wall door stop includes a pin extending from the wall-facing surface. When installed on a wall exterior, the wall door stop may be attached by a regular or security screw to the wall. The pin engages a mating hole in the wall and inhibits unauthorized r... | 10/02/2001 |
| 6206455 | Sliding door stabilizer A stabilizer for firmly holding a sliding door of an automotive vehicle in a closed position. The stabilizer has a female part adapted to be secured to the "B" pillar of the vehicle and a male part adapted to be secured to the door. The female part has a ... | 03/27/2001 |
| 6189959 | Door adjusting bumper providing show surface alignment An improved cushioning bumper and stop member for a pivotal door such as used to cover a fuel opening in a vehicle body which is designed to be indexed by rotation in its mount to a precise position for establishing the door's closed position to create an... | 02/20/2001 |
| 6151754 | Door stop A door stop, which includes a locating block fixedly mounted on the wall, the locating block having a longitudinal front hole and two transverse side holes in communication with the front hole, two locating pins respectively mounted in the side holes and ... | 11/28/2000 |
| 5895089 | Dual function adjustable bumper for automotive vehicle sliding door A door bumper assembly for an automotive vehicle sliding door has an adjustable bumper head with a door face for mating with a door inner surface when the door is in a closed position to provide a predetermined lateral load to the door. A bumper base is m... | 04/20/1999 |
| 5815960 | Retarding mechanism for the dipper door of a mining shovel Disclosed is a digging implement such as a mining shovel dipper which has a body, a movable door mounted with respect to the body and a mechanism for retarding swinging movement of the door. The mechanism includes first and second housings and plural reta... | 10/06/1998 |
| 5791723 | Bumper wedge for automotive vehicle sliding door In an automotive vehicle having a body opening closable by a sliding door, a door bumper wedge for restraining longitudinal and lateral movement of the sliding door has a wedge member attached to a door mating surface of the body opening, a receptacle mem... | 08/11/1998 |
| 5740585 | Child safety device A child safety device which prevents children from closing sliding doors and windows which includes a blocking member which is attached to a door or window frame by an attachment member which allows the blocking member to be positioned in a blocking posit... | 04/21/1998 |
| 5680675 | Bi-Fold door safety wedge A pivotal sliding bi-fold door structure mounted in a door frame having a track slidably accommodating the bi-fold door structure. The bi-fold door structure comprising at least two door panels pivotally connected by a hinge member. The improvement compri... | 10/28/1997 |
| 5592743 | Shock absorber for scissor action tool The present invention relates to scissor action tools such as garden shears or the like which are provided with a pair of cooperatively engaging members united for scissor action about a joint. In particular, this invention relates to tools of the type pr... | 01/14/1997 |
