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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 6471425 | Preloaded stabilizer mechanism in a dot matrix printer A preloaded stabilizer mechanism in a dot matrix line printer having a reciprocating carriage is provided to: (1) establish a rigid reference point that prevents the print line of the dot matrix line printer from drifting; (2) eliminate backlash; and, (3)... | 10/29/2002 |
| 5702190 | Dot-matrix line printer A dot-matrix line printer includes a printing shuttle which moves reciprocally to carry out a printing operation, and a balancing shuttle which moves in a direction opposite to the direction of the movement of the printing shuttle. The balancing shuttle i... | 12/30/1997 |
| 5544964 | Dot line printer having a balance shuttle Disclosed is a shuttle mechanism of a dot line printer including a printing shuttle unit making a reciprocating motion to perform dot printing and a balance shuttle unit making a motion in a direction opposite to the kinetic motion of the printing shuttle... | 08/13/1996 |
| 5401109 | Shuttle type line printer A mounting bed integral with a hammer bank is disposed parallel to a counter balancer composed of a counter balancer constituting member and a yoke. The mounting bed and the yoke are provided with solenoid coils opposed to a permanent magnet provided on t... | 03/28/1995 |
| 5211110 | Hammer bank rocking device in impact dot line printer An impact dot line printer has a hammer bank equipped with a plurality of printing heads along printing lines mounted on the upper side of a belt extended between a pair of rotational drums. A counter balancer is mounted on the lower side thereof, the ham... | 05/18/1993 |
| 4948280 | Serial printer carriage drive with ballistic rebound reversal In a serial printer wherein a bi-directionally operating motor with a shaft drives a carriage in an oscillatory motion between two end points, an improvement for minimizing the time for direction reversal of the carriage. There is a ballistic rebound devi... | 08/14/1990 |
| 4921365 | High speed shuttle printer An improvement to a dot matrix printer of the shuttle variety wherein a printhead is oscillated from side to side within a printer base. The shuttle is disposed within a ballistic energy transfer device mounted for oscillating movement from side to side i... | 05/01/1990 |
| 4889438 | Serial printer carriage drive with ballistic rebound reversal In a serial printer wherein a bi-directionally operating motor drives a carriage in an oscillatory motion between two end points, an improvement for minimizing the time for direction reversal of the carriage. There is a ballistic rebound device for transf... | 12/26/1989 |
| 4653948 | Tract wire tightening device for carriage of printer In a tract wire tightening device for a carriage of a printer, a wire connected to the carriage is looped around pulleys. A motor to drive the wire is movable with respect to a base. A spring is interposed between the motor and the base so as to bias the ... | 03/31/1987 |
| 4373708 | Thrust absorption mechanism A shock absorption thrust mechanism includes a thrust piece (19) which is used as a stop for a moving body in motion. This thrust piece 19 is prone to displacement under the effect of kinetic energy of the moving body, against the action of a spring (20) ... | 02/15/1983 |
| 4359289 | Counterbalanced bidirectional shuttle drive having linear motor An arrangement for bidirectionally driving a hammer bank shuttle assembly along a linear path in a line printer includes an opposite pair of circular, rotatable elements having an elongated shuttle assembly mounting element and an elongated counterbalanci... | 11/16/1982 |
| 4239403 | Counterbalanced bidirectional shuttle drive A counterbalanced bidirectional drive for a hammer bank shuttle assembly within a line printer utilizes a band formed into an endless loop extending around and between an opposite pair of rotatable pulleys on opposite sides of the pulleys. A hammer bank-c... | 12/16/1980 |
| 4084681 | Drive system for writing carriages in printing systems The invention is directed to drive systems for the writing head carriages of printing systems, particularly ink jet writing systems wherein the writing carriage is linearly moved for line printing by means of a non-reversing motor. Various connection syst... | 04/18/1978 |
| 4020940 | Resilient coupling means for ribbon cartridge mounting plate A resilient coupling device for reducing the position excursions of the carriage of a serial impact printer during print time. The resilient coupling device comprises a spring means mounted between the ribbon associated components and the remaining compon... | 05/03/1977 |
| 3987884 | Printing apparatus with paper positioning tractor means and escapement means The invention is directed to a highspeed digital print-out apparatus. The apparatus involved is provided with tractors which move the paper in a first direction past a stationary print-out wheel which in conjunction with a print hammer imprints preselecte... | 10/26/1976 |
| 3944029 | Damper for printing and the like A damper for line printers and the like in which the print head moves from left to right across a paper document during the printing phase and upon completion of a line of print, moves in the "carriage return" direction at a more rapid rate to return to t... | 03/16/1976 |
