An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7372598 | Pagewidth inkjet printer with foldable input tray for interface protection An inkjet printer includes a body defining a print media path along which print media can pass. A printhead assembly is arranged within the body and includes a printhead which is configured to print upon print media passing along the print media path. A print media ... | 05/13/2008 |
| 6163123 | Method for controlling electric actuator and apparatus for the same Rotary motion of a motor of an electric actuator is converted into rectilinear motion with a small sliding resistance by the aid of a ball screw and a feed nut. On the other hand, a control apparatus for controlling the electric actuator comprises memory ... | 12/19/2000 |
| 5915859 | Pivotable ink ribbon cassette and a printer An ink ribbon cassette is pivotably mounted to a printer. Ink ribbon is accommodated in the ink ribbon cassette and is caused to travel by a ribbon feed roller driven by a drive shaft provided in the printer. Printing operation is carried out at the casse... | 06/29/1999 |
| 5482392 | Recording apparatus for changing the amount of displacement and the timing of displacement of an erasing member A recording apparatus is capable of recording an image on a recording medium and of erasing an image recorded on the recording medium. The apparatus has a recording device such as a print hammer and a drive motor therefor; an erasure tape for erasing the ... | 01/09/1996 |
| 5476331 | Printer having print head position sensor and mechanism for inhibiting print head movement when ribbon holder is not in initial position A printer wherein a zero position sensor generates a zero-position signal and a non-zero-position signal depending upon whether the print head is placed in its zero position or not, and a print head locking mechanism is provided for permitting print head ... | 12/19/1995 |
| 5468078 | Printer color ink ribbon positioning control A printer for use with an ink ribbon having at least two printing tracks is provided with a print head that moves along a predetermined path adjacent to a recording medium. A line driver reciprocates the print head along the path in first and second direc... | 11/21/1995 |
| 5360279 | Printer ink ribbon control A compact, lightweight printer capable of using multi-track ink ribbons that facilitates multicolor printing, without having a dedicated track switching drive system. The printer employs a printing track setting member that is activated by contact pressur... | 11/01/1994 |
| 5224785 | Ribbon cassette A cassette for a printer unit which includes an endless ribbon, a mechanism for transporting the ribbon, and a mechanism for causing the ribbon to move reciprocally comparatively slowly in a direction substantially transversely of the direction of movemen... | 07/06/1993 |
| 5123760 | Printer with variable ribbon shifting mechanism A printer comprising printing head moving means, printing ribbon feeding means, ribbon printing position change means and printing control means, in which printing control means gives instruction signals to regulate the crosswise move of the ribbon or to ... | 06/23/1992 |
| 5082381 | Printer for monochrome and color printing A printer for use with both monochrome and color ink ribbon cartridges has a cartridge holder which is rotatable to correctly position the ink ribbon of whichever cartridge is put in place in front of the print head. The cartridge holder and a transmissio... | 01/21/1992 |
| 5067833 | Ribbon shifting device for printers A mono color ink ribbon is held by a pivotable ribbon holder in front of a print head being moved along the platen, and the ribbon holder rides on a rail which has a raised center or central portion and lower ends, so that on a pass by the print head from... | 11/26/1991 |
| 5039240 | Printing device with ribbon cassette shifting mechanism In a printing device, a stationary element and a contact element for detecting an original position are respectively provided on a frame and on a gear pivotally rotating through a stepping motor. By employing an above arrangement, it is possible to easier... | 08/13/1991 |
| 4747715 | Vacuum buffered ribbon transport system A printer having extended ribbon capacity is provided with a vacuum buffering system which stores ribbon on either side of a ribbon utilization mechanism, illustratively an impact print head. In a preferred embodiment, the ribbon is stored in a pair of va... | 05/31/1988 |
| 4657418 | High capacity ribbon supply arrangement A ribbon supply arrangement for a printer is provided with a first ribbon supply portion having supply and take-up reels therein, the ribbon being provided to a second ribbon supply portion which is installed on a carriage of the printer. In one embodimen... | 04/14/1987 |
| 4653939 | Thermal printer A single drive source drives a pressing cam to selectively press a thermal head against a thermal transfer tape for printing on a recording paper behind the tape. The tape is divided into three longitudinal printing regions so the thermal head can be reci... | 03/31/1987 |
| 4637744 | Actuation device for two typewriter functions A cartridge for a typing ribbon and spools for a correcting ribbon are mounted on a common frame which can tilt about a spindle. In a lowered position of the frame the typing line behind a daisy wheel is visible. The frame is raised by a first stroke to t... | 01/20/1987 |
| 4611938 | Mechanism for raising and feeding ink ribbons in typewriters and similar machines The invention concerns a mechanism for raising and feeding different types of ink ribbons in typewriters and similar machines. With a simple design and using only one motor under programmed control, the mechanism is capable of utilizing ink ribbons econom... | 09/16/1986 |
| 4606662 | Single stepping motor ribbon and correction feed and lift system A single stepping motor 10 driven to effect ribbon feed, ribbon lift, correction tape feed, correction tape lift is disclosed. The stepping motor 10 controls a cam 60/follower 64 pair to effect lift through a connection link 54 to a depending coupling 56 ... | 08/19/1986 |
| 4472073 | Actuation device for two typewriter functions A cartridge for a typing ribbon and spools for a correcting ribbon are mounted on a common frame which can tilt about a spindle. In a lowered position of the frame the typing line behind a daisy wheel is visible. The frame is raised by a first stroke to t... | 09/18/1984 |
| 4460287 | Ribbon lift mechanism for typewriters and the like machines An improved ribbon lift mechanism for alternately raising a ribbon from a lowered position to first and second elevations relative to a print line. A ribbon lift lever is raised by a cam ring having alternating high and low lift cams separated by valleys ... | 07/17/1984 |
| 4411541 | Ribbon feed and elevating mechanism for typewriters or similar machines A ribbon feed and elevating mechanism is so constructed that active parts for incrementally feeding and for elevating a ribbon from a rest position into one or more working positions form one structural unit mounted on a common shaft thereby providing a c... | 10/25/1983 |