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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4970967 | Rotary guideway switch for people mover systems A rotary switch for a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration routes a transit car from one entry guideway path to at least either of two exit guideway paths or vice versa. The switch has an elonga... | 11/20/1990 |
| 4970962 | Double turnout rotary guideway switch A double turnout rotary guideway switch is provided with an elongated structural frame member having guidebeam, electric rail and tire path structure on each of two sides of the switch compatible with the guidebeam, electric rail and tire path structure o... | 11/20/1990 |
| 4970964 | Single turnout rotary guideway switch and a dual lane crossover station employing the same A single turnout rotary guideway switch is provided with an elongated structural frame member having guidebeam, electric rail and tire path structure on each of two sides of the switch compatible with the guidebeam, electric rail and tire path structure o... | 11/20/1990 |
| 4970965 | Safety locking structure for a rotary guideway switch A rotary switch is provided for a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration. The rotary switch routes a transit car from one entry guideway path to at least either of the two exit guideway paths or v... | 11/20/1990 |
| 4970966 | Self-aligning rotary guideway switch A rotary switch operates in a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration to route a transit car from one entry guideway path to at least either of two exit guideway paths or vice versa. The switch has... | 11/20/1990 |
| 4944227 | Rail transportation system with switches In overhead rail systems with branching tracks, a carrier such as a feeding container can be brought to pass a cyclic transportation course when the pertaining switches are correctly operated. By the invention the carrier (8, 6) and the switches (10) are ... | 07/31/1990 |
| 4882999 | Transportation system of a floated-carrier type In a transportation system of a floated-carrier type, a carrier is suspended from a guide rail, in a non-contact manner, and is propelled along the guide rail. The transportation system includes a plurality of track units, each having the ferromagnetic gu... | 11/28/1989 |
| 4476787 | Railway switch A switch for a railway system having a common track, and upper and lower branch tracks, each track comprising a pair of rails with one rail disposed above the other. The switch comprises a fixed support between the common and branch tracks, upper and lowe... | 10/16/1984 |
| 4337914 | Railway switch stand cover A railroad head block switching installation having a safety cover secured to the track ties between which extend the connecting rod of the rail switching mechanism, so as to overlie such rod in spaced relationship therewith and protect persons from tripp... | 07/06/1982 |
| 4174820 | Method for moving a railway switch and equipment for implementing the method This invention relates to an improvement in an apparatus and method for moving a railway switch composed of travel rail sections of a main track which are pivoted by positioning elements to rail sections of a branch-off track and locked by closing element... | 11/20/1979 |
| 4109584 | Track switching device for two-rail type tracks A track switching device for selectively coupling a first track to one of second and third tracks. The switching device comprises a plurality of movable members, one of which has two parallel rails which operate such that when it is moved, the two rails a... | 08/29/1978 |
| 4059054 | Railroad type switch A tracked vehicle switch assembly is operatively connected between a single main track and a pair of diverging tracks for selectively diverting a vehicle moving along the main track to one of the diverging tracks. The switch assembly includes first and se... | 11/22/1977 |
| 4022409 | Electrically driven apparatus for operating a railway Electrically driven railway point operating apparatus having a biasing device whereby, without damage to the operating mechanism the point can be forced open against its closing bias by the wheels of a vehicle. The point operating slide is moved by a leve... | 05/10/1977 |
| 4005839 | Railroad turnouts A railroad turnout including a switch having runoff plates with stop lugs spaced farther apart than the width of the switch point base so that flexure of the switch points downstream of the heel spread is permitted. Floating heel blocks are affixed to the... | 02/01/1977 |
| 3987888 | Sorting switch A sorting switch comprises a plurality of channel-shaped pallet support members mounted on drive chains for movement around a course including an upper article sorting portion and a lower return portion. The upper article sorting portion of the course inc... | 10/26/1976 |
| 3977635 | Railway switch for Vignoles rails Railway switch for Vignoles rails, comprising a frog tip and wing rails arranged for swivelling movement, each of the wing rails engaging the frog tip in a respective end position and being supported in this position by supporting members resting against ... | 08/31/1976 |
| 3972293 | Switch for a railroad transportation system employing a rotating drive shaft A switch is disclosed for a railroad transporation system comprising parallel car-supporting rails defining railroad tracks which bifurcate at rail switching station into two branch tracks and rotatable drive shafts which extend along a line between the p... | 08/03/1976 |
| 3946974 | Railway switch construction for suspended railroad using two-runway-rail suspension rails A suspended railway employs a suspension rail provided with two runway rails upon which respectively ride the first and second traveller wheel sections of a traveller from which a railway car, or the like, is suspended. A railway switch for the suspension... | 03/30/1976 |