Bizarre Patents
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 |
| 7306216 | Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same A driving apparatus of a multi-function machine includes a scanner unit scanning data recorded on a sheet of document and a document transport part to transport the sheet of document. A printer unit prints data on a sheet of paper for an output and includes a carrie... | 12/11/2007 |
| 6367994 | Power transmission switching device, rocking lever locking device in power transmission switching device and power transmission switching device-applied recording apparatus A mechanism for selectively switching two drive transmission systems by one driving source is provided and a rocking lever which can be rocked between a first drive transmission gear of a first drive transmission system and a first drive transmission gear... | 04/09/2002 |
| 5839838 | Image printer An image printer comprising: a printing member for printing dye on a recording medium; a dye medium take-up member for taking up a dye medium to which the dye is applied; a first power transmission member for transmitting power to the dye medium take-up m... | 11/24/1998 |
| 5123348 | Clutch and brake mechanism for franking machine employing electro-rheological fluid A clutch and brake mechanism for a mechanical drive of print drum in a franking machine is disclosed which utilizes a clutch and brake operated by means of electric potentials applied across an electro-rheological fluid. Elements of the clutch and brake a... | 06/23/1992 |
| 5006003 | Typewriter Disclosed is a typewriter wherein a ribbon holder mounted on a carriage movable along a platen holds both a print ribbon and a correction ribbon thereon and is displaceable between its first lift position for facing the print ribbon to a print point on th... | 04/09/1991 |
| 4871274 | Typewriter Disclosed is a typewriter wherein a ribbon holder mounted on a carriage movable along a platen holds both a print ribbon and a correction ribbon thereon and is displaceable between its first lift position for facing the print ribbon to a print point on th... | 10/03/1989 |
| 4613248 | Ribbon lift mechanism for a typewriter A typewriter ribbon lifting mechanism includes a holder supporting a printing ribbon and a correction ribbon below the printing ribbon. The holder is vertically tiltable for lifting the printing or correction ribbon selectively from its inoperative positi... | 09/23/1986 |
| 4249829 | Daisy wheel typewriter A daisy wheel typewriter wherein wheel positioning to present a character for printing and hammer actuation to effect printing of a selected character are electronically operated in response to keyboard generated signals. Functions associated with a print... | 02/10/1981 |
| 4215944 | Single keylever multiple action control for typewriters A typewriter having a carriage return line indexing key to initiate in parallel a powered carriage return and a powered line indexing operation is provided with linkage associated with the carriage return action which assures initiation of the line indexi... | 08/05/1980 |
| 3939955 | Mechanism for selectively controlling at least two functions in a typewriter A mechanism for controlling functions such as step-by-step carriage return, line spacing and rapid carriage return in a typewriter comprises a single cam adapted to oscillate a single actuating member. The actuating member carries a selector which can be ... | 02/24/1976 |
