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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 |
| 7891672 | Chuck having a rotatable securing mechanism A chuck for clamping an article has a receiving portion including a receiving bore having a longitudinal axis L, and a receiving bore inner surface. A clamping sleeve is accommodated in the receiving bore and is rotatable between a releasing position and a securing ... | 02/22/2011 |
| 7371036 | Tool holding device and method for positioning a tool Disclosed is a tool holding device (22, 50, 58) for retaining a tool (24) on a tool chuck (20). Said tool holding device (22, 50, 58) comprises a tool-accommodating area (32, 52, 66) for at least partly receiving the tool (24 | 05/13/2008 |
| 7300042 | Radial-type temporary fastener, components and tool A temporary fastener tool (20) for establishing and maintaining compressive alignment between at least two parts, each having an aperture through which the fastener tool is inserted. The tool includes a spindle (120) having a first and second end where... | 11/27/2007 |
| 7284460 | Balancer A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4b′ which is pressed against a guide face 12a provided along the circumferential direction of rotation of the weight holder 3 by centri... | 10/23/2007 |
| 7278640 | Quick-connect chuck mechanism A chuck is provided for retaining the shank of a tool bit or accessory, having a fixed diameter, inserted in a central channel at a distal end of the chuck. At least one torsion spring is mounted axially within a housing and has an inner dimension and shape comparab... | 10/09/2007 |
| 7278196 | Interlocking tool holder An end mill chucking structure for chucking an end mill. The chucking structure includes an end mill holder; a shank receivable in an axial opening in the holder; a cone having an exterior cone shape adapted to be received in a drive spindle and an axial opening tha... | 10/09/2007 |
| 7217072 | Tool holder for a tool, especially a boring, milling or rubbing tool, which can be rotated about a rotational axis A tool holder for a tool which can be rotated about an axis of rotation, in particular a drilling, milling or reaming tool, comprises a clamping shank which, in an end shank region (7), has an accommodating opening (9) which is central in relation to t... | 05/15/2007 |
| 7066058 | Spanner with sleeve having teeth and smooth portion A spanner with a sleeve having teeth and a smooth portion comprises a spanner body having a sleeve at one end thereof. A lower portion of the sleeve is formed with a resisting portion at a lower end. The resisting portion has a plurality of teeth at an inner periphe... | 06/27/2006 |
| 7017919 | Chuck A chuck includes a holder body, a clamp sleeve, and a large number of needle rollers. The holder body has a shank portion, a flange, and a chuck sleeve. The clamp sleeve is fitted onto the outer circumference of the chuck sleeve such that the clamp sleeve is rotatab... | 03/28/2006 |
| 6997656 | Device and assembly for holding an object A device for holding an object, and an assembly for holding and rotating an object. The device includes a base, a series of posts, each of which is equidistant from a center point of reference and further pivotably holds a follower rotationally linked to all other f... | 02/14/2006 |
| 6941629 | Tool assembly unit The present invention provides a tool assembly unit for coupling a tool and a tool holder including a measuring device which determines the position of the tool with respect to the tool holder, an alignment device coupled to the measuring device which receives the t... | 09/13/2005 |
| 6666461 | Clamping chuck A clamping chuck has a chuck body made of a dimensionally stable material, on which is provided a clamping sleeve that forms a central receptacle for a workpiece or tool that is to be clamped, and has a clamping mechanism for immobilizing in the receptacl... | 12/23/2003 |
| 6488285 | Hydraulic chuck with deformable gripping sleeve A hydraulic chuck includes a center bore for receiving a tool shank. At least one closed cavity is disposed in the chuck body adjacent the bore and extend circumferentially by a distance less than 360 degrees. The cavity containing device communicates wit... | 12/03/2002 |
| 6394465 | Clamping device A clamping device (1, 25, 35) for releasably clamping an insertion member (9, 27, 38) with a shank portion, the clamping device comprising a clamping member having an insertion bore (11, 26, 40) formed by the union of an access bore portion (19A, 31A, 41A... | 05/28/2002 |
| 6131916 | Chuck A chuck comprises a mounting base 11, and a protruding shaft 12 protruding from a center of a front surface of the base and having a tapered surface 13 on the outer peripheral surface thereof. A hole 16 is formed in the protruding shaft and has an opened ... | 10/17/2000 |
| 6105974 | Chuck A chuck includes a holder body, a clamp sleeve, and a large number of needle rollers. The holder body has a shank portion, a flange formed at one end of the shank portion, and a chuck sleeve that extends from the flange in the direction away from the shan... | 08/22/2000 |
| 5582494 | Tool holder system and method of use An improved tool holder system and method of using the same is disclosed, characterized by use of a plural extension member assemblies which permit the rapid adaptation of conventional machine tool holders for use in both automated machine tool changers a... | 12/10/1996 |
| 5343786 | Bit and socket combination A tool combination includes a bit socket with a hole extending axially therethrough and having a square drive portion and a hexagonal portion and a circularly cylindrical retaining portion between said drive portion and said bit portion, the portions bein... | 09/06/1994 |
| 5335922 | Chuck A chuck for fixing a rotary tool such a drill and an end mill to a machine tool is disclosed. This chuck comprises a main body comprising a taper shank for fixing the chuck to the machine tool and a tool support for clamping the rotary tool, a fastening r... | 08/09/1994 |
| 5277435 | Standard shank and method for directly locating rotating cutting tools in a machine tool work spindle A cylindrical standard shank is provided for rotating cutting tools for locating a standard shank in a cylindrical location opening, precisely produced with regard to shape and true-running accuracy, in the work spindles of so-called transfer lines or of,... | 01/11/1994 |
| 5143006 | Assembly for detachably mounting a tool on a driving member An assembly for detachably mounting a tool such as a drill, a punch or a needle for a sewing machine on a driving member. The assembly includes a tool carrier, a mounting head for connecting the tool carrier to the driving member having at least one seat ... | 09/01/1992 |
| 5096212 | Chuck for power tools Improved chucks are provided for securing a cutting element to a power driving unit. The improved chucks are easy to manufacture and do not require mechanical aptitude or great manual dexterity in order to securely connect the cutting element to the power... | 03/17/1992 |
| 5024566 | All in one drill bit A selective drill bit attachment for a standard portable electric drill is provided and includes a housing for carrying a plurality of different sized drill bits in which one of the drill bits can be selected and manually extended into an operable positio... | 06/18/1991 |
| 4880245 | Chuck for concrete slab dowels A chuck for use in screwing one threaded member into another threaded member has a housing with a polygonal socket on one end for receiving a polygonal drive head of a wrench. The housing has a conical bore converging from the face toward the socket. A pl... | 11/14/1989 |
| 4865336 | Apparatus for securing a cutting tool in a tool holder and machine tools employing the same An apparatus and tool assembly containing the same which includes a rotatable ring and a series of bearings in contact with the inner surface of the rotatable ring wherein the bearings are angled with respect to the longitudinal axis of the cutting tool a... | 09/12/1989 |
| 4660840 | Needle-roller type chuck An improved needle-roller type chuck having a cylindrical portion extending forwardly from a chuck main body which is constituted by an inner cylinder integrally formed with a chuck main body and an outer cylinder fixed as one unit, onto the outer periphe... | 04/28/1987 |
| 4621688 | Clamping jaw device for well servicing machine A clamping jaw device is used to couple sonic energy generated by an orbiting mass oscillator to a pipe string for transmission down the string to a downhole work area. The clamping jaw device includes a pair of similar clamping jaws, each forming a half ... | 11/11/1986 |
| 4535540 | "Hole-in-one" metal punch drive unit A combination pilot drill and drive assembly for forming holes in sheet metal panels with one or more draw punches is disclosed. The assembly includes separable drill and drive units which can be cooperably engaged with one another when used to drive a pi... | 08/20/1985 |
| 4406470 | Chuck device for dental handpiece A chuck device for a dental handpiece comprising fixedly mounting a front collar inside a rotor at the end thereof for the dental handpiece and threadedly and detachably fixing a cartridge chuck behind said front collar inside of said rotor, said cartridg... | 09/27/1983 |
| 4340328 | Rotary cutting tool and tool driver A tool driver for rotary cutting tools, such as reamers and drill bits, is described, along with rotary cutting tools of a novel design. The driver comprises a shank member having a cylindrical portion projecting axially from one end thereof and this cyli... | 07/20/1982 |
| 4021051 | Chuck for machine tools There is disclosed a chuck adapted to be attached to the spindle of a machine tool, for gripping an intended tool, comprising a chuck barrel adapted to grip an intended tool and having a conical outer peripheral surface and not having slots extending alon... | 05/03/1977 |
| 3955824 | Chuck member including fluid draft Glassware coating apparatus including spraying equipment and a transfer mechanism that assures the uniform application of a thermoplastic polymer on glassware (i.e., bottleware) in a continuous fashion without occurrence of internal contamination. The app... | 05/11/1976 |
| 3953039 | Toolholder for machine tools There is disclosed herein a toolholder for use in machine tools, particularly those of the type having means for automatically changing tools according to a predetermined plan, the toolholder being transported from a tool rack to a spindle for use and bei... | 04/27/1976 |
