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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 |
| 7287367 | Closing member for compressed air carrying polygonal tubes on a yarn spinning machine A closing member 1 for compressed air carrying polygonal tubes, which is inserted in a sealing manner into the polygonal tube at one end thereof. The closing member 1 includes an elastic sealing element 3, and the closing member is constructed s... | 10/30/2007 |
| 7251863 | Draw frame for textile fibre slivers having a drawing system with top rollers that can be loaded and relieved of load A draw frame for textile fiber slivers has a drawing system of successively arranged assemblies of rollers comprising a bottom and a top roller, in which, during operation, the top rollers are pressed against the bottom rollers by weighted pressing devices. When ope... | 08/07/2007 |
| 7174606 | Pressure cylinder for a drafting arrangement of a textile machine A pressure cylinder including a cylinder housing having one end including an opening. A piston is axially displaceable within the cylinder housing. A piston rod is coupled to the piston and extends through the opening at the one end of the cylinder. A cylinder base ... | 02/13/2007 |
| 7076841 | Double pressure cylinder arrangement and loading device of a textile machine having such double pressure cylinder arrangement A double pressure cylinder arrangement including a first pressure cylinder and a second pressure cylinder positioned in a spaced and axis-parallel relationship to the first pressure cylinder. A carrier strut is connected to a bottom side of the first pressure cylind... | 07/18/2006 |
| 7051405 | Device on a draw frame for textile slivers, having roller pairs arranged one after the other and a roller-cleaning device In a device on a draw frame for textile slivers, having roller pairs arranged one after the other and a cleaning device, for example a cleaning lip, cleaning rod, for each upper roller, in which the loading device for each upper roller has at least two presser eleme... | 05/30/2006 |
| 6910249 | Apparatus on a draw frame for textile fibre material An apparatus on a draw frame for textile fiber slivers has a drawing system having weighting of the top rollers of successively arranged pairs of rollers comprising a bottom and a top roller. During operation, the top rollers are pressed against the bottom rollers b... | 06/28/2005 |
| 6134752 | Loading mechanism for the upper rolls of a drafting mechanism A pneumatically energized loading mechanism for a drafting device is proposed for loading the upper rolls of the device. This mechanism possesses pneumatic cylinders which subject the upper rolls to a force, which acts from a holder plate (4) for the secu... | 10/24/2000 |
| 5873230 | Pneumatic pressing system for a drafting frame of a spinning machine and method of operating same In the pneumatic pressing of textile strands in a drafting frame the pressure in the pressure line is monitored by a pressure sensor and/or a flowmeter and used to control a value between the pressure source and that pressure line. According to the invent... | 02/23/1999 |
| 5761772 | Securing and pressuring system for drafting rollers for automated textile drafting system An automated drafting system particularly suitable for drafting textile strands of sliver is provided. The automated drafting system includes a synchronous drive sliver drafting roller system utilizing toothed gears in the preferred embodiment operatively... | 06/09/1998 |
| 5448803 | Magnetic roller A magnetic roll for use in roller pairs of a drafting system on a textile machine. Each magnetic roll includes a central pole member having a rare earth magnet positioned on either side thereof. An end pole member is provided adjacent each magnet, and a c... | 09/12/1995 |
| 4999884 | Drawing mechanism for drawing textile fibers The drawing mechanism for drawing textile fibers includes an input nip between a first pressure roller (6) and a first drafting roller (1), a first intermediate nip between a second pressure roller (7) and a second drafting roller (2), and an output nip b... | 03/19/1991 |
| 4510648 | Weighting device for drafting means A novel weighting device for draft rollers, in which a diaphragm is provided, as a pressing unit, above each top side roller. The diaphragms provided on a spinning frame are classified into a plurality of groups corresponding to species of rollers such as... | 04/16/1985 |
| 4187587 | Textile machine having hydraulically controlled drafting rollers Pressure between rollers in each set thereof in a drawing frame is maintained by oil pressure in a main pipe circuit connected to piston and cylinder assemblies allocated to the sets of rollers. A motor driven pump feeds oil from a tank through a feed pip... | 02/12/1980 |
| 4112548 | Drafting machine A machine for blending, matting, shortening or sizing natural or artificial fibers, in which the work is performed by groups or trains of three rollers. A first working stage has a single head delivering two slivers and in which the twin bearing rollers a... | 09/12/1978 |
