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 |
| 8172234 | Collet tool holder having adjustable axis A collet assembly for use on a support device comprising a rotatable base section, a support structure secured to the support device, with the support structure supporting the base section on said support device. The base section has a central axis, and the base sec... | 05/08/2012 |
| 8056905 | Computerized numeric control toolholder tightening fixture A toolholder tightening fixture for selectively engaging a V-flange toolholder is provided. The fixture comprises a ball lock collar movably coupled relative to a housing and includes an inner surface having a recess formed therein. A lock housing is fixedly coupled... | 11/15/2011 |
| 7566061 | Workpiece gripping apparatus A workpiece gripping apparatus comprising a base, two centering jaws displaceably guided on the base so as to be movable toward and away from one another, and an actuator jaw displaceably guided on both of the centering jaws. The actuator jaw is movable toward and a... | 07/28/2009 |
| 7445214 | Rotatable head for a drive motor A drive motor for driving a tool such as a grinding tool through a right angle drive has a rotatable head mounted on the housing and having a detent on the rotatable head for engaging a fixed component of the angled drive coupling so as to hold the axis of the angle... | 11/04/2008 |
| 7407349 | Boring tool The boring tool having a basic body (2) in which a tool bit (27) is arranged which has a cutting edge (29) at a front end (27b). The basic body (2) has an opening (3) in which the tool bit (27) is pivotably mou... | 08/05/2008 |
| 7275460 | Rotary indexing machine for use in a group of treatment stations A rotary indexing device for use in a group of treatment stations, includes at least one respective tensioning device for exchangeable tool holders disposed in a treatment zone. The rotary indexing machine has a rotary indexing unit with a lift-and-turn device on wh... | 10/02/2007 |
| 7154243 | Rotary indexing table The invention relates to a rotary indexing table comprising a stationary base unit and a plate rotatably supported thereon and drivable relative to the base unit by means of a drive, in which the drive is formed by a plurality of individual drive elements arranged i... | 12/26/2006 |
| 7070086 | Sensor pre-load and weld fixture apparatus and method A sensor pre-load and welding apparatus and method are disclosed. A weld fixture apparatus includes a fixture base upon which a sensor package having a sensor base and a sensor cover is located, and a load bar associated with a spring, wherein the load bar provides ... | 07/04/2006 |
| 7059511 | Adjustable force and position pre-load welding fixture A pre-load weld fixture apparatus and method are disclosed, which include a stationary pivot block attached to a base, wherein the stationary pivot block is located adjacent to a nest for maintaining an object to be welded. Additionally a pivot arm is associated wit... | 06/13/2006 |
| 7054001 | Support for a microtiter plate A support for a microtiter plate has a base and a supporting plate connected to the base by a fixable ball and socket joint so the plate can tip and/or rotate in a limited way. The center of rotation of the joint lies at the upper side of the support plate and the b... | 05/30/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 7040524 | Automated packaging apparatus and method of optical elements An automatic packaging method of optical elements includes a focusing platform set, a Z-axis feeder set and an automatic feeding set. The Z-axis feeder set is provided above the focusing platform set. An automatic feeding set is arranged on a horizontal plane betwee... | 05/09/2006 |
| 6948720 | Computer controlled positioning table A computer controlled positioning table for use in automatically rotating a large diameter article into which an evenly spaced circle of bolt holes are to be drilled. The article to be drilled is centered and clamped onto a table top of the table and then the comput... | 09/27/2005 |
| 6941631 | Optical component plastic deformation control process A process for aligning an optical component by plastic deformation comprises finding a desired position of an optical axis of the optical component relative to a rest position of the optical axis of the optical component. Then, a deformation force is exerted, which ... | 09/13/2005 |
| 6929426 | Indexable cutting tool A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion t... | 08/16/2005 |
| 6854367 | Cutting, tool system and mechanism for accurately positioning a cutting edge A cutting tool system includes a clamping device and a cutting tool mounted therein. The cutting tool carries a cutting edge and includes a shaft clamped within an aperture of the clamping device. Prior to being clamped, the shaft is movable relative to the clamping... | 02/15/2005 |
| 6824142 | Method of alignably supporting a work piece for rotary movements A method of alignably supporting an eccentric work piece for rotary movements uses a work piece holder that supports the work piece in alignment during rotary operations. A plurality of cooperating aligning members mounted along the rotary axis of a rotary unit, pro... | 11/30/2004 |
| 6647879 | Bridge sleeve for printing apparatus A sleeve is provided with a clamp for removably clamping the sleeve on a mandrel. A rigid ring is mounted inside of the sleeve at each end of the sleeve. Each ring has a generally cylindrical inside surface which includes a curved contact portion which ex... | 11/18/2003 |
| 6557860 | Collet retainer Each of a plurality of passages in a fixture has a piston movable therein and cooperating with a collet therein to simultaneously move each collet to its workpiece retaining position and to release each collet from its workpiece retaining position. A rece... | 05/06/2003 |
| 6540235 | Graduated rotation control chuck assembly A graduated rotation control chuck assembly includes a base, a holding-down rod axially slidably mounted in the base, and a graduated rotation control unit, the graduation unit including a rotary shaft, mounted in the base and axially aimed at the holding... | 04/01/2003 |
| 6502835 | Collet holder with rotation mechanism and method A work piece holder with clamping and rotation mechanisms in a support. A holder or brake exists next to a collet and sleeve assembly to restrain the assembly from rotating. Hydraulic pumps and connections operate on the mechanisms for the clamping and ro... | 01/07/2003 |
| 5964016 | Long bar member machining apparatus In the case where a product having a free-curved surface is obtained, a machining work is performed by separate machine tools. Therefore, works of attaching and removing a half-machined product are necessary. Consequently, a lot of working time and labor ... | 10/12/1999 |
| 5911420 | Chuck spindle apparatus A chuck spindle apparatus comprises a chuck spindle mounted for rotation about a central rotational axis, a chuck main body integrally connected to a forward end of the chuck spindle for rotation therewith, and an indexing device. The chuck main body has ... | 06/15/1999 |
| 5575488 | Hand-held part holder and fixture A hand-held, chuck-type part holder provides holding means for a machine part. The hand-held part holder may be secondary holding means for a part which itself is then inserted into a primary machine clamp. The chuck uses standard replaceable collets whic... | 11/19/1996 |
| 5526715 | Indexible workholding apparatus An indexable workholding apparatus. The apparatus has a column member with at least one pair of workholding jaws operably attached thereto. The column member is rotatably and axially supported on a shaft member that is operably attached to an indexing ass... | 06/18/1996 |
| 5520078 | Holding device for cutting an ophthalmic lens A holding device for cutting an ophthalmic lens includes a holding member which has a spherical sliding surface. A support member is provided with a spherical receiving surface which slidably supports the spherical sliding surface of the holding member. I... | 05/28/1996 |
| 5501123 | Indexing apparatus An indexing apparatus for indexing an article about an axis. The indexing apparatus is adapted to be removably attached to the article and is constructed to axially displace the article along the axis to a disengaged position upon the initial application ... | 03/26/1996 |
| 5494303 | Self-centering indexing chuck A rotatable chuck or work holder is provided with a pair of opposed jaws operated for simultaneous movement toward and away from each other and the centerline of rotation of the chuck to effect self-centering action of a workplace held between the chuck j... | 02/27/1996 |
| 5295700 | Workpiece support assembly for microrobotic apparatus A compliant workpiece support assembly for a microrobotic apparatus for aligning three workpieces and welding them into an assembled package, includes a lower support assembly having a ball and socket joint with a polymer ball seat cast around the ball. T... | 03/22/1994 |
| 5224716 | Tilting workpiece support having fine adjustment mechanism In a workpiece support for use with a laser beam machine tool, in which the workpiece is rotated about an axis tiltable through 90° or more to either side of a vertical condition, the workpiece is held by a chuck driven through a right-angle speed reduce... | 07/06/1993 |
| 5174586 | Inclination setting mechanism in work rotating device for laser beam machine tool A work rotating device for use with a laser beam machine tool comprises an L-shaped frame from which a servo motor, speed reducer, and a rotatable work holder are supported in cantilever fashion by a shaft rotatable in bearings provided in a hole in the f... | 12/29/1992 |
| 5158125 | Carving jig A carving jig (10) is provided with a base (11) having a bearing (17) in which a projecting spindle (18) is journalled for rotation, the spindle having facilities to allow a workpiece (24) to be attached, either directly or through the provision of an int... | 10/27/1992 |
| 5136896 | Rotary indexing apparatus A rotary indexing apparatus includes a housing and an indexing member in the form of a plate mounted for rotation in the housing. Locating pins are received in apertures in the indexing plate to effectively lock the indexing plate and an affixed spindle i... | 08/11/1992 |
| 4922777 | Band saw for cutting shaped pieces of bar stock The present invention relates to a band saw machine having the capability to produce finished piece parts by employing a rotatable collet and an index vise to rotate and longitudinally position the piece part, a band saw blade positioned in a blade twist ... | 05/08/1990 |
| 4856234 | Optical lens manufacturing apparatus and method A carrier is disclosed for holding an optical lens blank while forming optical surfaces on the blank. The carrier includes a clamp for holding the periphery of the lens blank while exposing a central area of the blank. An outer peripheral surface and one ... | 08/15/1989 |
| 4811963 | Automatic indexing chuck for angular step-by-step movement of jaws An automatic indexing chuck comprises a dividing pivot separately and in succession, operated by a dividing shaft and a locking sleeve. The dividing shaft is slideably and sealingly accommodated in a cavity of the locking sleeve which has retention planes... | 03/14/1989 |
| 4771521 | Method and device for dual positioning of a workpiece in a turning machine A dual position chuck and turning machine method allow automatic shifting of a workpiece from a first to a second turning axis by actuation of a draw bar through the spindle of the turning machine. A linkage in the chuck drives a movable jaw assembly havi... | 09/20/1988 |
| 4747609 | Chuck with two oppositely disposed clamping jaws A chuck with two oppositely disposed clamping jaws, each of which includes a base jaw and a top jaw. The base jaws are guided in an annular chuck body that has a central clamping space in such a way as to be movable in a radial direction. Each base jaw is... | 05/31/1988 |
| 4730837 | Jaw chuck for workpieces having a plurality of processing axes The chuck has a mounting body with an associated chuck assembly and a pivot device. For clamping of a workpiece at least one chucking jaw can adjustably be swung away from its chuck assembly, and the clamped workpiece, together with the chucking jaws can ... | 03/15/1988 |
| 4692974 | Connector block for use with a robotic wire harness assembly system Disclosed is a connector block used for placing an electrical connector in precise position for receiving the ends of wire segments that are inserted therein by a robotic device. The connector block includes a socket upon which the connector is supported.... | 09/15/1987 |