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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 6834787 | Feeding devices for taped electric components A feeding device for taped electric components includes advancing wheels for the tapes. The advancing wheels are driven via tangentially disposed drive spindles of a worm drive. Drive motors for the drive spindles are off-set from one another in two directions of th... | 12/28/2004 |
| 6533262 | System for feeding a continuous medium including multi-ply media to a processing station with selectable reduction in jamming, wrinkling, or pealing of the media surface An apparatus for reducing friction, tearing, or wrinkling of the surface of a single-ply or multiple-ply continuous medium being fed to a processing station by either sprocket engagement of an edge-perforated medium or pinch roller pressure engagement of ... | 03/18/2003 |
| 5551786 | Apparatus for making a graphic product A method and apparatus for preparing graphic products utilizes a printer to print on sheet material and a cutter to cut the sheet material with the printed material within the periphery of the cut edges. Both the printer and the cutter are controlled by m... | 09/03/1996 |
| 5345293 | Feeder of continuous documents for a copy machine A feeder of continuous documents for a copy machine comprising an upper frame having a pair of support walls, a cover formed at one end of said upper frame and provided at its upper end with an extension, and a lower frame adapted to define a path for tra... | 09/06/1994 |
| 5139190 | Document feed tractor with height adjustable web support surface A document feed tractor in which pins which drive the paper upon entry into perforations in margins of the paper along the edges thereof are connected to a belt on beams cantilever mounted thereto. A guide and support bar holds the beams and the pins down... | 08/18/1992 |
| 5080272 | Device for improved control in the transport of edge-perforated paper webs in printers A device for the feeding or advancement of an edgeperforated paper web (1) in a dot-matrix printer or the like includes a pair of drive belts (3) transversely spaced apart proximate opposite transverse edges of the web, each belt carrying on its upper sur... | 01/14/1992 |
| 4822190 | Combination of a printer and continuous feeder A printer for printing characters through a printing ribbon on printing paper placed on a platen by moving a carriage along the platen and driving a printing head on the carriage. The platen is placed in the rear end portion of the printer frame. An openi... | 04/18/1989 |
| 4779781 | Method and an arrangement for the feeding of a material web A method and arrangement for severing packaging blanks, including a drive roller, a register roller at a location downstream of the drive roller and high-speed driving rollers downstream of the register roller for removing severed web portions. The drive ... | 10/25/1988 |
| 4780013 | Web feed tractor for printer A web feed tractor which comprises a frame, a drive gear rotatably mounted in the frame, a cylindrical shaft fastening member mounted on the frame with a portion thereof protruding from the frame, an endless toothed timing belt trained about the frame and... | 10/25/1988 |
| 4758107 | Web feed tractor for printer A web feed tractor for a printer which comprises a timing belt having outer web engaging pins and inner teeth, a sprocket wheel drivingly connected to the belt and having belt engaging cogs and a guide portion, a frame rotatably receiving the sprocket and... | 07/19/1988 |
| 4650358 | Feeder for a printer A feeder for a printer serves for guiding and/or advancing the record carrier. Tractors (1a and 1b) placed in a pair are provided. The tractors (1a and 1b) have hinged parts which can be adjusted in different hinged positions by pivoting bearings (11). To... | 03/17/1987 |
| 4538516 | Torque-assist system for printing belts A printing belt extends around a rotatable cylinder having independently rotatable belt drive sprockets at the opposite ends thereof. A torque-assist drive connected with the cylinder is selectively operable for imparting supplemental traction to the belt... | 09/03/1985 |
| 4411393 | Web tension control apparatus Apparatus for controlling the tension of a web during transport, such as a label-carrying web in a heat transfer labelling machine. The web travels from a supply reel, around a dancer roll and metering roll, through various other web handling devices to a... | 10/25/1983 |
| 4155646 | Printing head assembly A printing head assembly is disclosed for use in a contact film printer for exposing raw stock film with a preprint film or negative. The printing head assembly includes an aperture jaw through which light is projected onto the film strips to transfer the... | 05/22/1979 |
| 4018153 | Tape handling apparatus utilizing tangential web contact for postage meter Apparatus for handling a multi-layer tape in a postage meter printing machine wherein a portion of the tape is printed with indicia and advanced to the operator and a protective backing portion is wound up on a motor-driven reel after being separated from... | 04/19/1977 |
| 3942788 | Sheet material transport equipment An apparatus for advancing a sheet of material comprises a rotary member having a longitudinal axis about which it is rotated and having projecting helical propelling ridges. Equipment is provided for biasing the sheet of material to be transported toward... | 03/09/1976 |
