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 |
| 6923613 | Manipulator A manipulator is provided that includes a foot part and a number of members connected to the foot part and to each other respectively, and at least a gripper part, such that the members, the gripper and the foot part form an arm. One or more motors are provided in t... | 08/02/2005 |
| 6871563 | Orientation preserving angular swivel joint An orientation preserving angular swivel joint suitable for mechanical robotic arms and in particular snake robots, the joint comprising two members and an angular bevel gear train that connects the two members of the joint. The gear train allows an actuator to be p... | 03/29/2005 |
| 6701220 | Industrial robot device An industrial robot including a manipulator having a control system. The manipulator includes a common gear housing having first and second inner compartments connected with a passage channel. First and second gears are arranged in the first and second in... | 03/02/2004 |
| 6658962 | Robotic manipulator A controlled relative motion system having first and second support structures with a controlled output position joint connecting them, and with similar joints on these support structures. One joint is coupled to another controlled relative motion system ... | 12/09/2003 |
| 6478531 | Article transfer apparatus An article transfer apparatus suitable for an operation requiring a large vertical working distance. The apparatus includes a first link driven by a motor, at least one second link coupled to the first link, and a mounting member coupled to the last one o... | 11/12/2002 |
| 6337547 | Linking element with screw jack and its use for an industrial robot arm The linking component between two parts that contributes to maintaining them at a distance that is determined but adjustable comprises a jack with a screw and a nut. The movement of the jack is controlled by a motor. Universal joints are disposed between ... | 01/08/2002 |
| 6324444 | Robot with multi-joint arms movable in horizontal plane A robot with multi-joint arms, wherein articulated first and second arms 9, 10 are movable in a horizontal plane as well as in a vertical direction, the second arm having a free end to which a supplementary unit A is removably connected, the supplementary... | 11/27/2001 |
| 6125715 | Device in a robot arm A robot arm comprises an assembly (6) rotatable relative to a part (2) of the arm about an axis extending at an angle to a longitudinal axis of the arm part, said assembly comprising a drive unit (8) and a member (9) driven by the drive unit. A cable (35,... | 10/03/2000 |
| 6119542 | Compact toothed wheel gearing with large gear ratio A compact gear system that includes an input shaft (28), an output shaft (1) and gear wheels which drivingly connect the same, wherein the output shaft (1) is journalled in a gear housing (2). The output shaft (1) is hollow and has pins (5a) which project... | 09/19/2000 |
| 6014909 | Robot wrist There is described a wrist for an industrial robot, comprising three wrist elements rotatably supported relative to each other around respective rotation axes which are coplanar and mutually inclined, which leave a space inside thereof free for passage of... | 01/18/2000 |
| 5993348 | Compact toothed wheel gearing with large gear ratio A compact gear system that includes an input shaft (28), an output shaft (1) and gear wheel means which drivingly connect the same, wherein the output shaft (1) is journalled in a gear housing (2). The output shaft (1) is hollow and has pins (5a) which pr... | 11/30/1999 |
| 5985036 | Vacuum coating apparatus for overall coating of a substrate by rotation of the substrate in a stream of material In a vacuum coating apparatus for an allover coating of a substrate by rotation of the substrate (3) in a stream of material, comprising a vacuum chamber with a material source (13), a substrate holder (6) with a point of attachment (19) for the holding o... | 11/16/1999 |
| 5934148 | Wrist mechanism of industrial robot A wrist mechanism of an industrial robot comprises: spline teeth (2A) formed in the outer circumference of the end portion of a bending drive shaft (2) which is provided inside of an arm (1); spline grooves (2B) which are formed in the inner circumference... | 08/10/1999 |
| 5924330 | Industrial robot wrist unit A wrist unit for an industrial robot comprises a wrist housing detachably mounted to a distal end of a robot arm, the wrist housing containing rotatably mounted first and second, parallel, secondary drive shafts on the input ends of which are mounted cyli... | 07/20/1999 |
| 5894761 | Industrial robot wrist unit An industrial robot wrist unit comprising a wrist housing capable of being detachably mounted to the distal end of a robot arm, the housing having two fork arms supporting a pivotally mounted tilt housing which supports a rotatably mounted turntable on wh... | 04/20/1999 |
| 5761965 | Industrial robot with articulated hollow robot arms A hollow industrial robot, especially suitable for process work such as spot and arc welding, sealing, painting, glueing, laser machining, etc., has a tubular lower robot arm, the lower end of which is pivotably journalled in a robot stand about a prefera... | 06/09/1998 |
| 5612603 | Rectilineal movement speed enhancing apparatus of an orthogonal coordinate robot A robotic mechanism includes a horizontal base, a vertical support mounted on the base, and a horizontal arm mounted on the vertical support. The vertical support is movable horizontally relative to the base. The arm includes a body which is movable horiz... | 03/18/1997 |
| 5575179 | Compact gear A compact gear with a gear housing (1) and an outgoing main shaft (4) which is rotatable in relation to the gear housing (1). The gear housing (1) supports a motor (2) with a drive shaft (3) projecting into the gear housing (1). On the drive shaft (3) the... | 11/19/1996 |
| 5549016 | Wrist mechanism for an industrial robot A wrist mechanism for an industrial robot has a second axis perpendicular to a first axis extending in a length direction of an arm and a third axis perpendicular to the second axis, the wrist mechanism comprising:, first reduction mechanism and second re... | 08/27/1996 |
| 5534761 | Mechanism for movements of prefixed path, referable as of elliptical shape A mechanism for movement of an object along a prefixed path, substantially of elliptical shape, including a support base provided with a single motor and at least two arms linked to each other at one end, with the free end of the outer arm carrying a supp... | 07/09/1996 |
| 5476358 | Three-axis cartesian robot A three-axis robot is described comprising a first horizontally disposed support having a first carriage selectively movably mounted thereon. A second support is operatively secured to the first carriage and extends transversely from the longitudinal axis... | 12/19/1995 |
| 5456132 | Wrist mechanism for industrial robot A wrist mechanism for attachment to the tip end of a robot arm has a first speed reducer for rotation about an "" axis that is coaxial with a "γ" axis of the robot arm. To the side of the robot arm is a second speed reducer for rotation about a "&... | 10/10/1995 |
| 5324163 | Three-axis Cartesian robot A three-axis Cartesian robot is described comprising a first horizontally disposed support having a first carriage selectively movably mounted thereon. A second support is operatively secured to the first carriage and extends transversely from the longitu... | 06/28/1994 |
| 5312220 | Industrial robot with workpiece handling means for attaching a workpiece to and removing a workpiece from a machine tool An industrial robot is provided with robot hands (44, 46) capable of being moved by turning actions between a workpiece handling position to which a workpiece is transported and at which the workpiece is fed to the chucking device (10) of a machine tool a... | 05/17/1994 |
| 5305653 | Robot wrist mechanism A robot wrist mechanism such as those used for painting, sealing and welding operations is disclosed. The robot wrist mechanism comprises an arm rotated by a drive source; a first wrist member rotatably supported on the end of the arm so as to be rotatabl... | 04/26/1994 |
| 5279177 | Wrist mechanism of industrial robot A wrist mechanism mounted on an arm of a robot has a wrist flange to which a spray gun is mounted. Coaxially with the arm are provided concentric and relatively rotatable cylinders. From the outermost cylinder extends forward a housing in which gears and ... | 01/18/1994 |
| 5263382 | Six Degrees of freedom motion device A motion device with three legs provides six degrees of freedom using a pair of motor assemblies (22) to drive each leg. Each leg has a differential drive (28, 30, 32, 40) for providing a pitch-roll joint connected to an elbow (16) for providing a pitch j... | 11/23/1993 |
| 5201239 | Industrial robot with wrist actuator mechanism An industrial robot includes a a hollow arm extending from a robot base, a wrist base mounted on a distal end of the hollow arm for rotation about a longitudinal axis of the hollow arm, a wrist mounted on a distal end of the wrist base for swinging moveme... | 04/13/1993 |
| 5191271 | Process and device for adjusting an axis The present invention pertains to a process and a device for adjusting an axis, especially an axis of rotation, wherein an adjusting sensor (4) is provided on the axis (2). A position-measuring system (1) with internal cyclic absolute signaling is provide... | 03/02/1993 |
| 5187996 | Industrial articulated robot provided with a driving linkage The present invention is intended to expand the operating region of a driven robot component of a robot by a provision of a driving linkage system for transmitting a drive torque of a drive source unit to the driven robot component, the driving linkage sy... | 02/23/1993 |
| 5142212 | Break-way end-of-arm robotic tooling assembly An improved break-away, end-of-arm robotic tooling assembly that has been designed to prevent damage to the robot arm in the event it would come in contact with something it should not. The robotic tooling assembly has a two inch inside diameter bore for ... | 08/25/1992 |
| 5127282 | Bevel gear unit and a wrist mechanism for an industrial robot incorporating the same A bevel gear unit comprising a bevel gear (11), a ball bearing (B1) coaxially mounted on the shaft of the bevel gear (11) and in contact with the back surface (17) thereof, a double spacer including an inner race spacer (12) and an outer race s... | 07/07/1992 |
| 5046914 | Parallel lifting device A lifting device incorporating first and second arm assemblies with associated rotatable shafts and a platform rotationally connected to the second arm assembly so as to maintain a fixed relationship to a reference surface as the first and second arm asse... | 09/10/1991 |
| 5040429 | Mechanical electric motor synchronizer This invention relates to a synchronous mechanical motor controller for use in robot applications requiring precise and repeatable movements. The synchronous motor controller is an arrangement of separate electric motors driving individual wheels and oper... | 08/20/1991 |
| 4984959 | Industrial robot An industrial robot has respective actuators mounted within the main body for moving the upper arm, the forearm, and the wrist via respective gear trains, thereby providing light-weight joint sections and eliminating the need for external cables swinging ... | 01/15/1991 |
| 4976165 | Backlash removing mechanism for industrial robot A backlash removing mechanism for an industrial robot wherein operation for adjustment thereof can be made readily with a simplified construction without causing a play. The mechanism comprises a rotational driving means disposed in a casing, a reduction ... | 12/11/1990 |
| 4922755 | Wrist mechanism of industrial robot A wrist mechanism of an industrial robot is provided with a forearm, a wrist base mounted on the forearm so as to be rotatable about a lengthwise rotary axis of the forearm, a wrist body mounted on the wrist base so as to be swingable about a swing axis p... | 05/08/1990 |
| 4922782 | Manipulator shoulder mechanism In a two-arm type manipulator, it is very rare that two arms develop trouble simultaneously due to malfunction of motors and/or cables. In view of the above fact, motors for actuating manipulator joint mechanisms and cables connected between the motors an... | 05/08/1990 |
| 4904131 | Chuck head for automatic machine tools A chuck head for automatic machine tools comprises a fork mounted on the end of a movable arm and an electrically driven chuck mounted between the arms of the fork. A mechanism effect angular displacements of the chuck is located within the head supportin... | 02/27/1990 |
| 4862759 | Wrist mechanism for robotic manipulations A wrist mechanism suitable for robotic manipulators comprising a first actuator for rotating a first yoke about a first axis, a first crossed shaft carried by the yoke, a second actuator for pivoting the first crossed shaft about a second axis, a second c... | 09/05/1989 |