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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4722622 | Damping apparatus for a print hammer mechanism Damping apparatus for minimizing print hammer settle time permits an increase in the hammer repetition rate, and in which the damping element is a reactive mass which is freely movable behind the actuated element to effect one or more energy transfer coll... | 02/02/1988 |
| 4673305 | Printwheel for use in a serial printer A printwheel, for use in a serial printer, in which the spokes pass in contact with a printwheel alignment member, which contact is a noise generation and wear inducing source. The printwheel is designed to include a noise and wear reducing element. The p... | 06/16/1987 |
| 4207816 | Constant printing pressure mechanisms for label printing machine A constant printing pressure mechanism for a label printing machine: in one embodiment, a pressure applying roller is attached to the free ends of the yokes or printing levers that support the printing head; a resilient pressure receiving member which is ... | 06/17/1980 |
| 4201133 | Printing pressure damping mechanism for hand labeler A printing pressure damping mechanism for use with a hand labeler: a hand lever is pivotally connected to the frame of the hand labeler. A printing head is carried by the hand lever so that it may move toward a printing platen when the hand lever is squee... | 05/06/1980 |
| 4179989 | Constant printing pressure mechanism for portable label printing and applying machine, or the like A constant printing pressure mechanism for a portable label printing and applying machine; the machine has a printing head which is interlocked with a hand lever and it has a platen that carries a label strip disposed opposite to the printing head, the co... | 12/25/1979 |
| 4149462 | Constant pressure mechanism for printing operation of label printing machine A constant pressure mechanism for the printing operation of a label printing machine; the machine has a hand lever, a printing lever, a printing head attached to the printing lever, a constant pressure spring secured between the hand lever and the printin... | 04/17/1979 |
