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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 |
| 7673742 | PTFE conveyor belt A method of manufacturing an endless conveyor belt comprises providing a flexible web in the form of a PTFE cross film laminate which in its as laminated state has a first length and a first lengthwise yield strength. The web is prestressed by lengthwise stretching ... | 03/09/2010 |
| 7578384 | Link of conveyor chain A link of a conveyor chain is connectable to a similar and adjacent link and has a main base body with two shoulders, protruding upward from ends of transverse sides of the main base body. Ends of a pair of first and second shafts are associated with the pair of sho... | 08/25/2009 |
| 7500555 | Link plate for a metal waste conveyer A link plate for a metal waste conveyer is composed of plural flat plates, and each of them has its lengthwise opposite side edges respectively provided with plural staggered pivotal members and opposite lateral ends respectively compressed to form a vertical side p... | 03/10/2009 |
| 7484618 | Conveyor for hot materials A conveyor belt having a longer effective operating life when continuously conveying hot materials of the order of from about 300° F. to about 330° F. and without the need for premature production line shutdowns for belt shortening and resplicing. The belt include... | 02/03/2009 |
| 7441649 | Side-flexing conveyor chain having twin transverse connectors An improved conveyor chain formed from a plurality of modular links arranged in rows and each associated with at least two elongated transverse connectors is disclosed. In one embodiment, the connectors together create a substantially open, planar support surface in... | 10/28/2008 |
| 7438178 | Composite conveying belt A conveying belt suitable for powerturn conveying applications. The conveying belt has a mult-layer structure with layers of parallel laid yarns disposed in various angles relative to the machine direction. The parallel yarns are stitchbonded to a multiply interwove... | 10/21/2008 |
| 7367446 | Methods and apparatus for transporting substrate carriers According to a first aspect, a first conveyor system is provided that is adapted to deliver substrate carriers within a semiconductor device manufacturing facility. The first conveyor system includes a ribbon that forms a closed loop along at least a portion of the ... | 05/06/2008 |
| 7344019 | Boron coated stainless steel wire belt assembly A conveyor belt for use in the food processing industry includes a stainless steel substrate and nickel-boron coating material. The nickel-boron coating is applied on at least a portion of the stainless steel substrate to increase wear resistance. ... | 03/18/2008 |
| 7331447 | Rod retaining snap rod with enlarged retaining ring A modular belt having modules intercalated and locked into position by a pivot rod having a retaining ring disposed in spaced apart relation relative to the end of the rod along the longitudinal axis. An outermost link end of the first plurality of link ends of the ... | 02/19/2008 |
| 7331446 | Chain modular and modular chain conveyor A chain module (1) for a modular chain conveyor comprising a substantially sheet-shaped body part (2), provided with a conveying surface (3) located at an upper side of the body part (2), with hinge holes (4A1, 4A2, 4... | 02/19/2008 |
| 7311193 | Box-conveyor chain A conveyor chain has a succession of longitudinally succeeding links, a respective entrainment lug projecting transversely outward from each link and formed with a latch seat and a plurality of identical entrainment elements. The entrainment elements each have a tra... | 12/25/2007 |
| 7293642 | Methods and apparatus for transporting substrate carriers According to a first aspect, a first conveyor system is provided that is adapted to deliver substrate carriers within a semiconductor device manufacturing facility. The first conveyor system includes a ribbon that forms a closed loop along at least a portion of the ... | 11/13/2007 |
| 7293640 | Discharge conveyor system for a truck or trailer body A discharge conveyor for an elongated truck or trailer body which includes a plurality of relatively long conveyor belt sections having leadings ends which are bolted to support members which extend between a pair of spaced-apart chains. Each of the conveyor belt se... | 11/13/2007 |
| 7267219 | Butt-weldable conveyor belt The invention relates to conveyor belts, which have a laminate consisting of: i) a textile ply (1) with a first ply surface (11) and with a second ply surface (12); ii) a first synthetic material ply (2), which adheres to the first ply su... | 09/11/2007 |
| 7267223 | Belt conveyor with a supporting platform formed from a single sheet of metal A conveyor, primarily but not exclusively for use in the food industry, in which a conveyor belt (19) is supported on a belt platform (11) for movement relative thereto, and the belt platform (11) is formed as a unitary component from a single s... | 09/11/2007 |
| 7264113 | Pivotable conveyor and link A link is disclosed for a conveyor, as is a conveyor itself, suitable for conveying objects along a transport direction, a plurality of the links being attachable to form the conveyor, the link includes a body having a length extending along the direction of transpo... | 09/04/2007 |
| 7255227 | Hinge rod retention in modular conveyor belt edges by means of resilient blocking elements An edge module for a modular plastic conveyor belt with a resilient blocking member for preventing migration of a hinge rod out of its resident position in the hinge joint of the belt. The edge module includes a hinge rod aperture intersected by a recess. A blocking... | 08/14/2007 |
| 7198148 | Modular conveyor belt with cam flights A modular plastic conveyor belt of the type made up of a multiplicity of module rows connected by interdigited link ends secured by pins has camming members at selected locations on the bottom surface of the belt to provide a flight dynamically. The camming members ... | 04/03/2007 |
| 7182202 | Conveying device for bulk material A conveying device has a support frame and a conveying member with at least two driven conveying belts that circulate in parallel to one another and with a conveying fabric having at least one support surface and being arranged between the at least two conveying bel... | 02/27/2007 |
| 7134545 | Conveyor apparatus and system In the meat processing industry, maintaining a clean and efficient environment can be important. Over the years, modular conveyor belts have become a commonplace component of meat processing operations. To provide an efficient and long lasting conveyor system, sproc... | 11/14/2006 |
| 7131532 | Belt attachment device and method A conveyor belt assembly including a flexible belt body with a plurality of spaced flexible teeth and at least one hardened tooth coupled to the belt body. The flexible belt body and flexible teeth comprise a resilient material. The hardened tooth comprises hardened... | 11/07/2006 |
| 7128811 | Belt for a papermaking machine A belt for a papermaking machine has minute projections and recesses randomly formed in a shoe-contacting surface of the belt by a powdery material contained in a high molecular weight elastic section formed on a base body. The surface roughness RZ of the shoe-conta... | 10/31/2006 |
| 7114616 | Device for removable fastening of seats for housing containers to a metallic belt conveyor The device (D) for removable fastening of seats (3) housing containers (C) to a metallic belt (1) includes first fastening means (10) made on the metallic belt (1) and aimed at being mutually coupled with second fastening means (34... | 10/03/2006 |
| 7108126 | Side-flexing conveyor chain having twin transverse connectors An improved conveyor chain formed from a plurality of modular links arranged in rows and each associated with at least two elongated transverse connectors is disclosed. In one embodiment, the connectors define a substantially open, planar conveying surface intermedi... | 09/19/2006 |
| 7080729 | Belt module with oblong pivot hole A modular conveyor belt formed of rows of belt modules pivotally interlinked by transverse pivot rods. The modules include a top, product conveying surface and a bottom, sprocket-driven surface. The belt modules have a plurality of first link ends disposed in the di... | 07/25/2006 |
| 7079918 | System for adjusting position of glass plates A system for adjusting position of glass plates includes (1) a chain for conveying glass plates into a bending furnace, the chain having (a) alternate links, (b) connecting pins for holding the alternate links together, (c) extension pins extending from some of the ... | 07/18/2006 |
| 7077264 | Methods and apparatus for transporting substrate carriers According to a first aspect, a first conveyor system is provided that is adapted to deliver substrate carriers within a semiconductor device manufacturing facility. The first conveyor system includes a ribbon that forms a closed loop along at least a portion of the ... | 07/18/2006 |
| 7073662 | Conveyor belt and method of assembly A conveyor belt and method for assembling a conveyor belt, the conveyor belt including a plurality of link elements and a plurality of pivot rods. Each link element includes a plurality of intermeshing extensions and at least one edge extension at a peripheral edge ... | 07/11/2006 |
| 7059467 | Conveyor belt assembly A conveyor belt assembly includes a conveyor belt to move an item, a drive pulley driven by a motor and a non-drive pulley. The conveyor belt includes a v-belt on the inner surface of the conveyor belt proximate to both of the edges. Each v-belt is received in a gro... | 06/13/2006 |
| 7055676 | Conveyor with movable gripper and related conveyor link A conveyor suitable for conveying objects along a transport direction, and a related link are disclosed. The link may include a link body having a length extending across the direction of transport and a width extending along the direction of transport, each link bo... | 06/06/2006 |
| 7051868 | Prestressed tubular belt and method for making A prestressed tubular belt has variable prestressing forces located along its width to provide control over the shape of the belt, while at the same time providing the proper forces in order to maintain the integrity of the belt shape. Various methods and systems ar... | 05/30/2006 |
| 7040456 | Elevator car drive and support belt having a twisted orientation An elevator system includes a roller arrangement and a belt for supporting an elevator car. The roller arrangement has two rollers with approximately parallel axes of rotation and structured circumferential surfaces engaging a complementary structured surface of the... | 05/09/2006 |
| 7036658 | Gripper conveyor with clear conveying path and related conveyor link Various conveyor designs suitable for conveying objects along a transport direction and various related link designs are disclosed. The conveyor may include a plurality of the connected links. Each link may have a length extending across the direction of transport a... | 05/02/2006 |
| 7025195 | Conveyor system for transport of containers A conveyor system for transport of containers, in particular an airport baggage handling system, includes a conveyor having a curved transport path with one end defining an entry zone and another end defining an exit zone. The containers are moved by a container pro... | 04/11/2006 |
| 7021453 | Conveyor with gear mechanism gripper and related conveyor link Various conveyor designs are disclosed, along with related link designs, suitable for conveying objects along a transport direction. The conveyor may include a plurality of connected links. Each link may have a length extending across the direction of transport and ... | 04/04/2006 |
| 7004311 | Non-slip conveyor and method for producing same A belt for conveying elements in provided wherein the belt comprises a compressible layer attached to the top surface of the belt. Preferably the compressible layer is resiliently deformable to cushion the impact of items on the belt. The belt preferably is a link b... | 02/28/2006 |
| 6997309 | Roller cradle and modular conveying assembly formed therefrom A modular conveyor belt having rollers for minimizing damage to the belt when transferring high friction products. The rollers are supported by easily assembled cradles that are supported between adjacent belt modules. In one embodiment, the cradles include a first ... | 02/14/2006 |
| 6964550 | Chain conveyor in the form of scales A chain conveyor for gravimetrically measuring/dosing materials, especially bulk materials. The conveyor includes a housing/trough in which at least two chain conveyors with strip-shaped driving elements attached thereto rotate, wherein a measuring bridge that is su... | 11/15/2005 |
| 6948612 | Polyimide-containing coating composition and film formed from the same To provide a coating composition of a soluble aromatic polyimide having good heat resistance and mechanical strength. As a soluble polyimide, a compound of the formula (I) in which R's represent independently from one another H, halogen, an alkyl group or an alkoxy ... | 09/27/2005 |
| 6918486 | Conveyor chain To provide an improved conveyor chain, which can convey even a conveying object having high center of gravity at high speed without felling it down in a curved conveying section. A conveyor chain according to the present invention has a plurality of links (10... | 07/19/2005 |