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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 |
| 4708039 | Bar feeding apparatus A stock pusher for a bar feed apparatus includes an improved bar gripping collet in which the bar gripping force applied by the collet may be easily adjusted in the field.... | 11/24/1987 |
| 4696588 | Non-separable thrust rolling bearing A pair of coupling members are symmetrically positioned either on the opposite outermost diametral edge portion or on the innermost diametral edge portion of a first bearing ring. The coupling members can be used as inserting members in assembly with a se... | 09/29/1987 |
| 4694446 | Simplified sound reproducing device of random selecting type A simplified sound reproducing device for randomly selecting recordings to be reproduced, having a free gear formed with one or more intermittent tooth portions with tooth crest in the direction of rotation longer than that of other normal teeth. The gear... | 09/15/1987 |
| 4694445 | Record disc replacing means for a selective playing type sound reproducing device A slit for inserting a record disc is formed to extend from one side of the casing toward the other side so as to establish continuous communication between both sides and being parallel to the record disc carrying face of the turn table. A sound transmit... | 09/15/1987 |
| 4690657 | Magnetically actuated amusement device An amusement device comprising first and second magnetic members; the first magnetic member being freelymovable in a base and the second magnetic member suspended from a tether and support arm attached to the base to a position within the influence of the... | 09/01/1987 |
| 4690435 | Hose coupling A hose coupling for permanent attachment to a hose having a reinforcing braid layer intermediate inner and outer layers of rubber or plastic has an outer sleeve which is circumferentially crimped to the hose at at least four axially spaced rings. The coup... | 09/01/1987 |
| 4688477 | Clamping member for a rotisserie An improvement of at least one clamping member for use in a rotisserie with a cradle having a pair of longitudinally spaced opposite end plates, and a plurality of longitudinally extending and circumferentially spaced rods fixedly secured to said end plat... | 08/25/1987 |
| 4687101 | Disk protector/holder A protector/holder for a computer, video or phonograph disk. The protector/holder is in the form of a housing having spaced top and bottom wall surfaces, two opposed side walls and an enclosed bottom edge forming a three sided closed enclosure with an ope... | 08/18/1987 |
| 4687100 | Reel storage container A container for storing reels upon which magnetic tape is wound. The container comprises a body and a cover which are integrally connected by means of a hinge which permits pivotal movement of the cover with respect to the body such that the cover may sna... | 08/18/1987 |
| 4687438 | Shaft melting furnace for melting metals A shaft melting furnace for melting metals is proposed with an interior receiving the molten bath, a charging shaft for supplying the melting stock and a burner supplying heat to the latter. The charging shaft is funnel-shaped and passes into a melting zo... | 08/18/1987 |
| 4686355 | Ostomy application device A collapsible mirror-heater unit for assisting in the application of ostomy pads is disclosed. A dual-faced mirror is pivotally mounted in a frame to expose either face and a heater is also pivotally mounted on the frame to be located in either of a store... | 08/11/1987 |
| 4683945 | Above ground--below ground pump apparatus An above ground--below ground pump apparatus for use in pumping underground fluids to the ground surface. The pump apparatus includes an above ground pump for alternately propelling fluid into a well casing surrounding the pump apparatus and discharging u... | 08/04/1987 |
| 4683065 | Method for reduction of cod in water A method and apparatus for reducing chemical oxygen demand levels in water which includes the steps of: (a) mixing the water to be treated with at least one oxygen source; (b) contacting the water with a first, activated alumina catalyst; (c) contacting the water w... | 07/28/1987 |
| 4681212 | Accumulating conveyor An article carrier is supported upon a pair of endless roller chains for movement along an endless path having horizontal upper and lower runs extending between end sprockets of like radius. Inner and outer support plates are fixedly mounted upon the carr... | 07/21/1987 |
| 4679543 | Holder for retaining refractory materials A holder for retaining refractory materials with adjustable upper and lower trays, which accommodate and hold securely therebetween the refractory materials. The holder comprises a lower tray having an open bottom mesh, and an upper tray with an open top ... | 07/14/1987 |
| 4676003 | Interchangeable spacer gauge An interchangeable spacer gauge having a body with an upper surface parallel to a lower surface, a side surface, and an opening in the side surface extending through the upper and lower surfaces for use with an elongated member having an outer periphery, ... | 06/30/1987 |
| 4676174 | Collapsible work table A collapsible work table provides a work surface of an adjustable height, and may be collapsed into a compact package for transport to job sites in the field.... | 06/30/1987 |
| 4671158 | Drum resonance eliminator A resonance eliminator for a drum head. The resonance eliminator includes a body having a first and second pivotally connected sections. A clamp is provided for detachably mounting the first section of the body on the rim of a drum. The resilient pad is a... | 06/09/1987 |
| 4669966 | Pelletizing apparatus with mixing blades for compacting powdered and fibrous raw materials to a pellet product Apparatus for compacting powdered and fibrous raw materials to a pellet product, comprising a mixing chamber with an inlet, a driven mixing shaft coaxially with respect to the mixing cylinder and which is provided with radially projecting blades. A pellet... | 06/02/1987 |
| 4669407 | Body sail A body sail device mountable around the body of a user for propelling the user through the water. The body sail includes an upstanding mast and a mounting member attachable on the body of the user for mounting the mast on the user. An outwardly extending ... | 06/02/1987 |
| 4669334 | Transmission control apparatus for infinitely variable transmission A transmission control apparatus for an infinitely variable transmission in which a transmission operating amount is selected by a transmission operating amount selecting system from a memory stored table based on transmission control information from tra... | 06/02/1987 |
| 4669266 | Closed-loop system for unequal displacement cylinder A fluid system has a variable displacement pump connected in a closed-loop circuit to a fluid cylinder having a piston and one connecting rod extending from the piston through an opposite side wall such that the effective pressure responsive areas on the ... | 06/02/1987 |
| 4664441 | Improvements in or relating to aids for the disabled A folding backrest of a wheelchair has two attendant handles fixed to upper tubes hinged to vertical lower tubes so as to be turnable into lowered positions. Supported on the upper tubes are respective cams turnable rearwardly by an attendant about a hori... | 05/12/1987 |
| 4663955 | Apparatus for straightening tubing Uniform lengths of accurately straight metal tubing are produced from a tubing supply in the form of a multilayer helically wound coil of tubing by passing tubing from the coil through a first straightening device to approximately straighten the tubing, s... | 05/12/1987 |
| 4664364 | Proximity switch assembly A proximity switch assembly for signalling the location of a movable member at either of opposite end limits of movement relative to a stationary frame includes a compact elongate housing adapted to be mounted on the frame to extend along the path of move... | 05/12/1987 |
| 4663666 | Camera output data correction apparatus An apparatus for correcting camera output data for excessive voltage build up on the camera image tube target during active video scan and retrace time periods as well as d.c. restoration error. The apparatus includes an A/D converter which converts the r... | 05/05/1987 |
| 4662344 | Archery device An archery device 10 includes a frame 12 and a handle section 14. A drawstring 24 spans the frame and has first and second ends 30,32 formed of an elastomeric material and an intermediate section 34 of conventional drawstring material. A pulley 44 or 46 i... | 05/05/1987 |
| 4662157 | Shaft to harness coupling assembly A coupling assembly is provided for detachably securing the thills or shafts of a two-shaft racing sulky to the harness saddle which accommodates adjustable lengthwise and vertical positioning of the shaft relative to the saddle while accommodating a limi... | 05/05/1987 |
| 4662629 | Exercise device A door or partition mounted exercise device for exercising muscles of the arms and upper body. The device includes an exercise portion attached to a mounting apparatus. The exercise portion is composed of a pair of parallel lateral support members extendi... | 05/05/1987 |
| 4660449 | Stock feeding apparatus Feeding apparatus for repetitively advancing an elongate workpiece to a saw cyclically operable to cut parts of uniform length from the workpiece includes a power-driven feed wheel frictionally engageable with the workpiece. The feed wheel is movable into... | 04/28/1987 |
| 4659938 | System for generating hole diameter information of printed board and the like Hole diameter information is represented by color information. After detecting the color information, the detected color information is converted and generated into the hole diameter information. In this manner, a plurality of kinds of hole diameter infor... | 04/21/1987 |
| 4657335 | Radially resilient electrical socket A barrel terminal socket is constructed by forming a sheet metal blank with uniformly spaced, parallel, longitudinal strips integrally connected at their opposite ends to transversely extending webs. The blank is then formed into a cylinder, inserted into... | 04/14/1987 |
| 4657138 | Carrying case for insulin syringes A carrying case for carrying a plurality of disposable insulin syringes is constructed in a fashion such that syringes may be carried in the case either in a plunger-extended, filled condition or with the syringe empty and the plunger fully seated in the ... | 04/14/1987 |
| 4655861 | Process for producing moldings with deformable decorative surface A process for producing fibrous material moldings surface-coated with a decorative sheeting is described. Cellulose and/or lignocellulose fibers are mixed with binders and are compressed by single-stage or multistage moldings, so that the decorative sheet... | 04/07/1987 |
| 4654952 | Wire locater for electrical terminal crimping apparatus A crimping die apparatus for crimping an electric terminal upon the end of an electrical conductor and severing the terminal from a carrier strip during the crimping operation by means of a cutter driven in its severing action by crimping action of the di... | 04/07/1987 |
| 4655131 | Apparatus for conveying and printing postal items In an apparatus for stamping flat objects of different sizes and thicknesses, particularly postal items, said objects are arranged vertically on a feed table. The objects are individually removed from the latter and successively moved past a stamp and are... | 04/07/1987 |
| 4654623 | Thermometer probe for measuring the temperature in low-convection media A thermometer probe or pyrometer for measuring the temperature in low-convection media is disclosed, which has a temperature-dependent resistor, a receiving sleeve which receives the resistor and a holding device. The resistor is covered by heat conductin... | 03/31/1987 |
| 4648934 | Apparatus for three-dimensional moldings A process for making moldings with areas of marked final deformation from highly sensitive materials, such as tangled-fiber fleeces, in which the flat material is molded in the softened state between press molds. Prior to the actual molding process and in... | 03/10/1987 |
| 4646773 | Breakaway hose coupling A breakaway hose coupling includes axially separable housing sections maintained in coupled relationship with each other by a frangible coupling pin or set screw. Each housing section includes a valve controlled flow passage in which a spring biassed valv... | 03/03/1987 |
| 4648086 | Simplified sound reproducing device capable of reproducing a plurality of recorded items A simplified sound reproducing device in which the stylus force of a reproducing stylus is imparted by a stylus pressure spring, the weight of the turn table being independently supported so that only the weight of the stylus and related tone arm are impi... | 03/03/1987 |
