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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 |
| 7361129 | Multi-axis automatic tool-changing system A multi-axis automatic tool-changing system for an automatic machining center which is disposed with a plurality of machining principal axes and a tool magazine. The tool magazine is disposed with a plurality of tool-changing positions located correspondingly to the... | 04/22/2008 |
| 7344113 | Tool holder having a clamping hole A tool holder includes a base body having a through hole and a tubular clamp rotatable between first and second positions. The tubular clamp has a plurality of axially extending split parts which extend through the through hole and which define a clamping hole to cl... | 03/18/2008 |
| 7211033 | Machine tool A machine tool has at least one working spindle, in which a tool receptacle for tool holders is provided. Furthermore, there is a tool-changing arm with a gripper, for a tool holder in order to transfer this tool holder between its magazine position, which is spaced... | 05/01/2007 |
| 7156795 | Tool change system for a machine A plurality of atomizers or other tools are disposed in a mounting plate (10) in storage places (12), respectively. The mounting plate (10) is rotatable relative a paint robot of a coating installation and has a pneumatic lock or a tool holder (... | 01/02/2007 |
| 7150705 | Tool changing device which prevents chips adhering to tool A tool changing device of a machine tool which prevents chips adhering to a tool. By using a drive motor with which a tool changing device of the machine tool is usually provided, to vibrate the tool, the chips are prevented from adhering to the tool, especially to ... | 12/19/2006 |
| 7115082 | Machine tool A machine tool has a working spindle in which a tool receptacle for tool holders is provided. Furthermore, there is at least one tool-changing arm with a gripper in which a tool holder is held in a peripheral alignment with respect to the gripper in order to transfe... | 10/03/2006 |
| 7033308 | Automatic tool changing device for machine tool An automatic tool changing device capable of cleaning a contact surface of a spindle, which is to be in contact with a tool holder, with a simple structure. The device includes a turret having a plurality of grippers on its outer circumference and holding the tool h... | 04/25/2006 |
| 6409641 | Cleaning device for machine tool A cleaning device for a machine tool is provided wherein the machine tool is provided with an automatic tool change mechanism for replacing a tool attached to a main shaft by another tool, and a cutting fluid nozzle for emitting coolant supplied from a co... | 06/25/2002 |
| 6090025 | Machine tool with tool selecting function A machine tool includes a tool magazine for accommodating a plurality of tools, the tool magazine including a tool ejecting section, feeding means for selectively feeding one of the tools accommodated in the tool magazine to the tool ejecting section of t... | 07/18/2000 |
| 6039516 | Extending system In order to improve the operational reliability of an extending system with at least four extending elements (10, 20, 30, 40, 50) which are disposed behind one another and can be moved relative to one another in a direction of extension (B) as well as a d... | 03/21/2000 |
| 4759114 | Tool magazine A tool magazine, especially for milling and drilling machines, comprising a linear tool support having at least one row of tool holders, the tool support being mounted on the free ends of two swivel arms. Each swivel arm is disposed laterally of the work ... | 07/26/1988 |
