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Reward Candy Dispenser for Personal Computers
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 |
| 8029223 | Screw and its combination with a conical sealing disk A screw (60) is provided, having a shaft (32) and a head (66), for fastening a component onto a substructure utilizing a tightly pressing conical sealing disk (50) against the component. The screw head (66) is configured at the bot... | 10/04/2011 |
| 8011868 | Self-sealing fastening assembly A fastening assembly includes a housing, a press, and a sealant material located in a chamber formed between surfaces of the housing and the press. The fastening assembly may be used to install cladding to a structure. ... | 09/06/2011 |
| 7811039 | Screw loosening prevention structure and gas pressure device including same A screw loosening prevention structure and a gas-pressure device are provided. The structure includes a first member that is formed with a container space filled with gas, and includes a first threaded portion, a second member that includes a second threaded portion... | 10/12/2010 |
| 7753633 | Power seal bolt assembly A power seal bolt assembly includes a bolt having a head and a shaft having an unthreaded shaft portion and a threaded portion. A washer is fixed to the bolt proximate to the head. A compressible washer retainer frictionally engages the unthreaded shaft portion and ... | 07/13/2010 |
| 7581913 | Seal nut assembly and method of manufacture A seal nut assembly includes a locking member, a bearing member, and a resilient member. The locking member defines a threaded aperture. The bearing member has an inner annular portion and an outer annular portion which radially circumscribes the inner annular porti... | 09/01/2009 |
| 7354075 | Adapter-intermediate ring for a screw-in part of a fluid plug system An adapter assembly having an intermediate ring and a screw-in part for a fluid plug-in system. The adapter assembly includes an externally threaded portion for threading into a threaded bore and an actuating shoulder. A receiving groove is formed in the transition ... | 04/08/2008 |
| 7331359 | Valve with bi-loading seal A fluid control valve has at its lower inlet end a bi-loading seal. The seal is generally ring shaped in top view. However, it has a first flexible load section for sealing the stationary disk with respect to the housing and a second load section having an annular i... | 02/19/2008 |
| 7329077 | Fastener apparatus for roofing and steel building construction A fastener apparatus includes a frusto-hemispherical head portion having a flat top surface, a curved outer surface, a base portion, and a peripheral edge, with the flat top surface bearing a tool fitting. A downwardly-depending lip portion extends from the head per... | 02/12/2008 |
| 7318390 | Deck mounted device with gasket A deck mounted for installation on the surface of a vessel deck having one or more bolt holes. The apparatus includes one or more base portions, each having a recess region defined by a perimeter wall bounding the perimeter of the base portion. The perimeter walls e... | 01/15/2008 |
| 7311493 | Metal sheet, including means for fixing it to a support and a gasket seal The metal sheet of the invention includes means for fixing it to a support and a seal gasket laid out along these means. The fixing means comprise at least one lumen provided on the metal sheet by punching, with a cavity for receiving a head of a fixing component co... | 12/25/2007 |
| 7258504 | Link assembly A link for connecting a pair of spaced members having a set of aligned holes, together, generally including a bolt having threaded end portions and a pair of upset portions based inwardly relative to the threaded end portions thereof, a pair of inner grommets each f... | 08/21/2007 |
| 7204667 | High strength bolted structure and method of securing nut and torque-shear type high strength bolt and joining method using same A join structure comprises a box section column and spit T-section joined by a high strength bolt and a method secures a nut to an inside of the box section column. A Torque-Shear type high strength bolt is tightly tightened by a controlled tension and a joining met... | 04/17/2007 |
| 7198445 | Washer with crush zone A conical washer having a crush zone wherein the inner annular projection comprises a top and bottom elevation where the top elevation lies at an approximately 100 to 165 degree angle to the inner annular wall of the washer and the bottom elevation is substantially ... | 04/03/2007 |
| 7179039 | Vibration-damping ring insert arrangement and component connection arrangement incorporating the same Vibration-damping ring insert arrangement includes a vibration-damping ring. A hollow cylinder member includes a first end, a second end, and an inner surface that is connected to an outer surface of the vibration-dampening ring. One of an outwardly extending edge a... | 02/20/2007 |
| 7175183 | Arrangement for the gas-tight fixing of an inlet manifold with a connector flange to the cylinder head of an internal combustion engine Arrangement for the gas-tight fixing of an inlet manifold (1) with a connector flange to the cylinder head (2) of an internal combustion engine, with a sealing plate (3), arranged between the connector flange of the inlet manifold (1) and... | 02/13/2007 |
| 7140824 | Tensioning hydraulic nuts A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before the tension is applied). The ... | 11/28/2006 |
| 7131809 | Body bolt absorber assembly The body bolt absorber assembly includes a lower body absorber made from rubber or a similar material with an undersized aperture, formed either during manufacture or by subsequent piercing, to slideably engage and capture a bolt. The lower body absorber further inc... | 11/07/2006 |
| 7077611 | O-ring forming sealing washer A sealing washer includes a connecting portion and an inner edge portion disposed radially inward of the connecting portion. The inner edge portion terminates in an edge disposed in an edge plane that is offset from the connecting portion. The sealing washer may be ... | 07/18/2006 |
| 7059612 | Gasket A gasket comprises a ring member made of a metal material, and a covering section composed of an elastic material, wherein the covering section integrally covers side surfaces and an inner circumferential surface of the ring member respectively. First to third protr... | 06/13/2006 |
| 7033121 | Water-tight grommet A substantially watertight grommet having a sealing mechanism that can simultaneously form a watertight seal between the grommet and a pin received therein and between the grommet and a panel within which the grommet is received is herein described. In a preferred e... | 04/25/2006 |
| 7018153 | Plastic nut to be fitted to a component The invention relates to a plastic nut to be fitted to a component having an aperture, which, with a nut piece serving to hold a screw, can be plugged into the aperture and which, in order to bear on one side of the component, is provided with a flange which has a t... | 03/28/2006 |
| 6994503 | Quick-lock nut for a disc-like tool A quick lock nut (1) for positive friction locking securement of a disc-like tool (2) to an external thread (3) on a working spindle (4) driven about an axis of rotation (A), having an associated inner threaded part (5) and a manua... | 02/07/2006 |
| 6979162 | Plastic clip for connecting a panel to a body A pin-and-bushing clip connects a panel member to a body while providing a water-tight seal between the panel member and the body and between a pin head and a bushing flange. Appropriate and limited pressing force is applied to seal members even when a strong pressi... | 12/27/2005 |
| 6941721 | Fixing element for double pane insulating window The invention relates to a fixing element (10) for double pane insulating glass (42, 44), which is anchored by expansion of an expansible ring (16) in a drilled hole having a conical undercut in an outer glass pane (42) of the insulating ... | 09/13/2005 |
| 6918492 | Baffle assembly for a sealed shaft on a vibratory apparatus A sealed wheel case for use on a vibrating aggregate processing device comprises a housing sized to hold a rotatable wheel supported on a shaft, the housing having a base, a peripheral sidewall, and a cover. The cover includes an aperture adapted to receive therethr... | 07/19/2005 |
| 6902503 | Bicycle derailleur A bicycle front derailleur has a fixed member, a movable member, linkage assembly and cable attachment assembly. The cable attachment assembly has a cable fixing bolt, cable fixing washer and a first resilient member. The first resilient member is arranged to retain... | 06/07/2005 |
| 6899498 | Spring fastener having multifunctional barbs originating at the lower side of the head A Spring fastener with critical configuration of the barbs, which allow the extraction of the fastener without destruction of the slot and/or the fastener. This critical configuration of the barbs allows spring fasteners to be used in slots of various widths and pre... | 05/31/2005 |
| 6824342 | Fastening element with a prestress member having an elastic bearing surface A fastening element which is designed for driving-in a constructional component, includes a stem (11) adjoined, at it's opposite sides, by a load application section (13) and a tip (12) facing in the setting direction of the fastening element, a... | 11/30/2004 |
| 6817817 | Fluid-tight, adjustable and self-locking threaded connection assembly A fluid-tight, adjustable and self-locking threaded connection assembly comprising a nut and a bolt. The nut which is adapted to be fixed to a first structural member has a bore comprising a threaded portion and a smooth cylindrical portion. The bolt which is adapte... | 11/16/2004 |
| 6808181 | Bushing and sealing ring assembly A bushing and sealing ring assembly including a sealing ring and a bushing. The sealing ring has a cylindrical base with an external thread and a reduced diameter, upstanding cylindrical sleeve extending co-axially from one end of the base with a predetermined heigh... | 10/26/2004 |
| 6764262 | Weatherproof fastener A fastener having a shank and head, the latter formed with a recess in its lower surface. A gasket is positioned in the recess, which it partially fills until the screw is employed to joint two elements and the gasket is compressed so that it fills the entirety of t... | 07/20/2004 |
| 6705814 | Body bolt absorber assembly The body bolt absorber assembly includes a lower body absorber made from rubber or a similar material with an undersized aperture, formed either during manufacture or by subsequent piercing, to slideably engage and capture a bolt. The lower body absorber further inc... | 03/16/2004 |
| 6672593 | Variable pressure washer A variable pressure washer has two interlocking channel rings separated by a channel and retained by a captive set of fasteners. Within the channel between the rings are multiple rows of springs having at least two different spring moduli. The washer is p... | 01/06/2004 |
| 6623226 | Assembly unit including a component and at least one screw An assembly unit includes at least one component and at least one screw including a shank having an outer diameter and at least partially including a thread. The head of the screw is designed and arranged to rotate the screw. A supporting surface of the s... | 09/23/2003 |
| 6435793 | Body bolt absorber assembly The body bolt absorber assembly includes a lower body absorber made from rubber or a similar material with an undersized aperture, formed either during manufacture or by subsequent piercing, to slideably engage and capture a bolt. The lower body absorber ... | 08/20/2002 |
| 6407351 | Thread covering assembly for adjustable support feet and the like A thread covering assembly for threaded shafts of food equipment components such as scale adjustment feet includes at least one thread cover positioned around the threaded shaft and moveable along the length of the threaded shaft for preventing the thread... | 06/18/2002 |
| 6406243 | Washer with dome profile An attachment implement, for use in connection with the mounting of a relatively thin, highly dense insulation panel upon an underlying structural substrate, comprises a washer plate portion and an integral lower body portion which has a substantially inv... | 06/18/2002 |
| 6379092 | High performance sealing fastener A sealing fastener, which expands by the insertion of preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The fastener has further an elastic body, especially a thermoplastic elastomer, molded at least on the lowe... | 04/30/2002 |
| 6352398 | Attachment member for fixing a perforated component to a support The attachment member includes a bore (6) for receiving a fastener (10), a front support surface (3) intended to be placed against the component (20) to be fixed, and an extension (8) for positioning the attachment member and absorbing the shock caused by... | 03/05/2002 |
| 6347708 | Wheel case for a vibratory apparatus A sealed wheel case is provided for use with a vibratory device for vibrating aggregate material. The vibratory device includes a frame and a rotating shaft extending transversely across the frame, with the shaft having a wheel. The sealed wheel case incl... | 02/19/2002 |
