摘要:
The printer is included in an apparatus for depositing valuables in envelopes, which are conveyed to a depositor at a constant speed by conveyor belts 21, 22. The printer includes a type wheel 61 inked by a removable inking roller 68 and selectively rotatable by a stepping motor, each time from the angular position of the previous printed character. A guiding roller 73 normally holds the envelope distanced from the type wheel 61 and is removed at a constant rate by an electromagnetic EM2 for causing the envelope to be printed under the bias of a springloaded pressure roller 79. In the interval between two subsequent character printing operations, the envelope is advanced one letter space, whereas the type wheel 61 has time to be rotated at least one complete revolution.
摘要:
Described is a print wheel type printer having selection pawls (6), a reset lever (8), shaft holes (1f) for supporting a selection pawl shaft (7), a reset lever shaft and a reset cam shaft (9), and print wheel positioning pieces (3) constructed as a unit in a trigger unit case (1) in order to make the relative positioning between print wheels (11) and parts of a character selection mechanism easy. For positioning the unit case (1) on a main housing frame of the printer, guide projections are formed on the sides of the unit case (1) to be engaged with positioning grooves on the main housing frame.
摘要:
The serial printer comprises a petal-type print thimble (11) with elastic fingers and several characters arrayed along the circumferences of the set of said elastic fingers, said circumferences having different heights in the vertical direction. A first rotate motor (28) has an axially movable shaft for rotating said print thimble (11). A plane cam enables the shaft of the first motor (28) to shift in the axial direction by its rotation. A second rotate motor (20) feeds an inked ribbon (17) disposed near the circumference of said print thimble (11) and a gear (21) is coupled with the shaft of said second motor (20) and said plane cam. The characters arrayed along the same circumference of said print thimble (11) are selected by the rotation of said first motor (28), and the characters arrayed along the vertical direction of said print thimble (11) are selected by the rotation of said second motor (20). The carrier unit of this serial printer employs a reduced number of drive motors and can be manufactured at a reduced cost. In particular, the print thimble (11) and the inked ribbon (17) can be shifted with only one drive motor.