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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 |
| 4638531 | Hose clamp An improved hose clamp of the kind comprising a tightening band which is bent to annular shape and which has end portions one of which is provided with transverse grooves. In the latter engage the threads of a screw worm which is rotatably journalled in a... | 01/27/1987 |
| 4622720 | Fastening arrangement for open hose clamp A clamp structure with a clamping band having open ends and a mechanical interconnection of the open ends of the band that include at least two outwardly extending hooks in the inner band portion adapted to engage in apertures in the outer band portion; a... | 11/18/1986 |
| 4583268 | Tube clamp In order to guarantee the sealing quality of a joining between a pipe socket and a tube by means of a clamp pressing a tube on a pipe wall, where the press-on power to be exercised by the tube clamp will act as uniformly as possible all over the total pip... | 04/22/1986 |
| 4583773 | Releasable tubular clamps for the connection of cylindrical or profiled tubes The invention refers to a releasable tubular clamp for connecting cylindrical or profile tubes. In order to provide a releasable tubular clamp for interconnecting cylindrical or profile tubes wherein the press force is increased and after assembly a great... | 04/22/1986 |
| 4567626 | Implosion protection band for CRT A tensioning band includes a plurality of notches in the free end. Formed in the notches are tabs which extend between the free end and the tensioned loop to prevent the loop from moving against the article being tensioned and thereby relaxing the tension... | 02/04/1986 |
| 4523352 | Hose clip A hose clip which can be tightened without a screw has an elongated band with a first end section which is formed with a closed slot for threading of the second end section therethrough. The end portion of the first end section has a pallet which engages ... | 06/18/1985 |
| 4517708 | Clamp The present invention relates to a re-usable clamp constituted by a wound over strap of metal and comprising, near to the two ends of the strap, two radial folds or lugs projecting externally from the strap, the first of said lugs extending into a portion... | 05/21/1985 |
| 4506418 | Muffler clamp A muffler clamp wherein a retainer (22) is secured to a bracket (20) by nuts (24 and 26). The bracket (22) is provided with sections (38) and the retainer (22) has a flexible central region (40) such that the clamp can be tightly constricted about and sec... | 03/26/1985 |
| 4459862 | Clamp and method enabling tightness check A clamp and method enabling the tightness established by a clamp connection to be checked after installation. The clamp consisting of a band member formed with diametrically opposite eyelets which are engageable with a spanner tool, which in turn is engag... | 07/17/1984 |
| 4451955 | Crimp-type clamp A crimp-type hose clamp wherein the ends of the clamp are joined in a double-layered top portion of the hat section of the clamp.... | 06/05/1984 |
| 4430775 | Muffler shield banding strap A banding strap for attaching a heat shield to a muffler comprises a strap for encircling the muffler and heat shield, the strap including an underlying end segment and an overlying end segment, each including outwardly projecting shoulder sections provid... | 02/14/1984 |
| 4315348 | Mechanical lock for clamps A clamp structure with a clamping band and with at least one plastically deformable so-called "Oetiker" ear to be contracted to tighten the clamp structure about the object to be fastened; to assure a substantially smooth, gap-free transition in the circu... | 02/16/1982 |
| 4312101 | Hose clamp with insert member An insert ring for use with a hose clamp of the type provided with a circumferential band portion and with at least one ear projecting outwardly from the band and adapted to be deformed so as to tighten the clamp about the object to be fastened; the inser... | 01/26/1982 |
| 4308648 | Convoluted hose clamps Hose clamps are disclosed comprising a band, band section, or attachment to a band, which yields in a direction circumferentially of the band and which possesses a spring-like quality and/or action such that the clamp is essentially self-adjusting to comp... | 01/05/1982 |
| 4305179 | Hose clamp A hose clamp having a thickness that is maximum at its longitudinal center and is decreased symmetrically on each side of center progressively in proportion to the distance from the center until reaching end portions of uniform thickness. The band is bent... | 12/15/1981 |
| 4299012 | Hose clamp A clamp structure with a clamping band having open ends adapted to be mechanically interconnected by outwardly extending hooks in an inner band portion operable to engage in corresponding apertures provided in an outer band portion; at least one plastical... | 11/10/1981 |
| 4237584 | Clamp structure, especially axle sleeve clamp A clamp structure for clamping a hose-like member onto a circular support and capable of contraction from a larger to a smaller diametric dimension without loss of the circular configuration and without any internal projections, especially for use with re... | 12/09/1980 |
| 4222155 | Hose clamp A clamp structure which includes a clamping band with open ends adapted to be interconnected and with an ear for tightening the clamping band about an object to be fastened by plastic deformation of the ear; the free ends of the clamping band are provided... | 09/16/1980 |
| 4087889 | Wire connecting sleeve A C-shaped wire connecting sleeve is formed having a plurality of elongated ribs pressed into part of its back portion which in turn is joined by two semi-circular end gripping portions. Upon being compressed about an enclosed wire or cable, the ribs not ... | 05/09/1978 |
| 3978899 | Closure for a steel band or strap placed around one or more articles and method and device for making said closure A closure band and a method for interconnecting the overlapping ends of the band and an apparatus for making the connection in which incisions are formed laterally into the opposite edges of the superimposed band ends to form tabs along the band edges. Th... | 09/07/1976 |
