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5873306 |
Self-compensating tensioner
A self-compensating tensioner, particularly a self-compensating tensioner for use in a folder of a web offset printing press, includes a plurality of rollers designed to tension tapes. Each roller...
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5797690 |
Printer and method of adjusting print density
A printer in which print densities of print heads can be adjusted simply and rapidly and set to have an optimum impact force, and a method of adjusting a print density are provided. Concretely,...
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5649773 |
Shuttle matrix line printer with print head service diagnostic and method
A dot matrix line printer includes a counter that counts a number of print actions performed by each of a plurality of print actuators. The accumulated number of print actions can be compared to a...
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5466077 |
Split bushing mounting of a printer carriage with pre-load
A molded plastic printer carriage mountable in the printer on a slider rod uses a pair of spaced sintered bronze bushings and a spring biased preload pad intermediate the bushings which engages the...
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5332321 |
Two line contact bushing mounting of a plotter carriage with pre-load
A molded plastic printer carriage mountable in the printer on a pair of slider rods uses a pair of spaced front bushings and single rear bushing positioned on a line intermediate the two front...
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5074684 |
Dot printer device having a control unit to print horizontal lines
A dot printer device is disclosed, in which in order to print a horizontal ruled line, paper feed data for placing the head pin of a printing head at a predetermined position on a printing paper,...
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4930101 |
Microprocessor-controlled meter package for a printer
In a line printer, an integrated meter package developing a clock incorporates a microprocessor receiving a line printed signal, power on voltage, and a preset ribbon exhaust count in order to...
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4894614 |
Apparatus for measuring the center-to-center distance between point wires of print solenoids
A center-to-center distance measuring device for measuring the exact spacing between print solenoids. The devie uses a test block having a top surface and a bottom surface which are parallel. The...
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4878072 |
LED age correction means
An aging correction system for an LED array in a printer, in which each LED can be energized during a variable time and in which a light sensor, with which the relative light-output of each LED can...
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4865475 |
Printer adjusting the print hammer position for precise printing
A printer, which can adjust the attached position of the print hammer without a device specifically provided for the position-adjustment, is provided with an adjustment mode in addition to a normal...
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4818129 |
Method for correcting bidirectional printing alignment of a serial dot printer
In a method for operating a serial dot matrix printer having a print head that is reciprocated along a first direction and stopped for performing bi-directional printing on a medium that is moved...
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4799071 |
Dot printer with age compensation means
A dot printer apparatus having a recording head with a plurality of recording elements such as LED's, etc. Counting means is provided to count the number of prior activations of each recording...
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4740092 |
Printhead shifting for wear distribution
Wear on the elements (5) of a printhead (3) is spread by shifting the region of use of the printhead line by line. Font (13) provides information as to whether any character in a line employs the...
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4664543 |
Device for monitoring and compensating for changes in the flight time of the print hammers of impact printers
A device for monitoring and compensating for changes in the flight time of the print hammers of impact printers is disclosed. The flight time of the respectively monitored hammer is calculated from...
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4318625 |
Stepper motor load tuning
A method is provided for adjusting to an original predetermined value the natural frequency of the carrier load of a processor controlled stepper motor driving said carrier through a belt and...
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4209260 |
Wire matrix print head having reversible wire drive armatures to allow wire wear compensation
A wire matrix print head having print wires subject to wear at their printing ends are biased by return springs against one side of one end of armatures, the other sides of which bear against a gap...
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4000801 |
Print wire attachment
An improved means for attaching print wires in a wire matrix print head mechanism is disclosed which enables the use of brittle wire materials having long wear life, such as tungsten carbide, to be...
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3951249 |
Drive for the movable portion of a printer
A tape driving device in which the tape is helically wound around an axially displaceable cylinder. On rotation of the cylinder one end of the tape is taken up and the other is unwound at the same...
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3851249 |
MICROCIRCUIT TEST DEVICE WITH MULTI-AXES PROBE CONTROL AND PROBE STOP MEANS
A tool for testing the miniaturized circuitry of silicone wafer devices. A ring-shaped structure is supported on a casting or platform for movement along X and Z axes in a horizontal plane. A probe...
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3642109 |
BELT TENSION DEVICE
A device which increases the tension of transmission belts in response to a decrease in belt tension caused by belt wear, elongation, etc. The belts are carried on a movable pulley and a pivotal...
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3326348 |
Variable indexing apparatus
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3294956 |
Magnetic ledger card machine
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3237746 |
Typewriter drive cam having rounded engaging surface
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3224546 |
Wear compensating apparatus having plural pawls
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3224545 |
Wear compensating apparatus including bi-directional spring clutch
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3133620 |
Wear compensator with clamping device
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2989166 |
Wear compensator
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RE13649 |
Title is not available
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0935301 |
Title is not available
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0991692 |
Title is not available
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1003084 |
Title is not available
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0936089 |
Title is not available
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