JPH01175840U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a schematic structure of an image recording device according to an embodiment of the present invention, FIG. 2 is a longitudinal cross-sectional view of the right side of the carriage of the image recording device shown in FIG.
3 shows the power switching mechanism of the head motor of the image recording apparatus shown in FIG. FIG. 5 is an exploded perspective view of the carriage of the image recording device shown in FIG. 1, and FIG.
The figure is a partial sectional view of the FPC holding member attachment part in Figure 5, Figure 7 is a plan view of the sensor lever and home sensor in Figure 5, and Figure 8 is a diagram showing the internal structure of the carriage in Figure 5. FIG. 9 is a partially cutaway plan view showing the inside of the ink ribbon cassette mounted on the carriage cover; FIG. 10 is a partial vertical sectional view showing the ribbon grounding means of the ink ribbon cassette of FIG. 9; FIG. 11 is a block diagram of the control system of the image recording apparatus shown in FIG. 1, and FIG. 12 is a schematic side view showing the operation of various cams of the cam mechanism in FIG. 1.
FIG. 13 is a flowchart of the initial position setting operation of the image recording apparatus shown in FIG. 1, and FIGS. 14 to 17 show various modes (
A time chart showing cases 1 to 4), Fig. 18 is a time chart during printing operation of the image recording device shown in Fig. 1, Fig. 19 is a schematic plan view showing a normal printing state, and Fig. 20 is a collection ribbon. Timing chart of operation when erasing using
21 is a schematic plan view showing the state when erasing as shown in FIG. 20; FIG. 22 is a timing chart of two-color printing operation of the image recording device shown in FIG. 1;
24 is a timing chart of the sheet feeding operation of the image recording apparatus shown in FIG. 1, and FIG. 24 is an external perspective view of an electronic typewriter suitable for applying the invention. 1... Base of recording device, 3... Sheet feed roller, 7... Platen, 8... Pinch roller, 9
...Front roller, 10...Support arm, 11
... Leaf spring, 20 ... Head motor, 22 ... Selection gear, 26 ... Torque shaft, 27 ... Clutch rack, 28 ... Carriage, 34 ... Frame body (carriage), 35 ... Flexible cable (FP)
C), 37... FPC holding member, 41... Lever shaft, 42... Cam shaft, 45... Carriage cover, 69, 70... Cam mechanism, 74... Head lever, 76... Daylight lever, 78 ... Recording head (thermal head), 87 ... Conductive member, 9
1... Recording sheet regulation plate, 91a... Scale, 97
... Ribbon gear, 98 ... Ribbon clutch, 11
5... Ink sheet (ink ribbon), 116...
...Earth board, 212...Record sheet.

Claims (1)

[Claims for Utility Model Registration] (1) An image recording device that records an image on a recording sheet, including a recording head for recording an image on the recording sheet, and a recording head that moves the recording sheet to a recording operation position of the recording head. a first rotating body provided so as to be able to come into contact with and separate from the said driving rotating body, and a second rotating body provided so as to be able to come into contact with and separate from said driving rotating body; a support arm for rotatably supporting the first rotating body, the first rotating body is brought into contact with the drive rotating body by pressing the support arm with an elastic member; The image recording apparatus is configured such that the second rotating body is brought into contact with the drive rotating body by pressing its shaft with an elastic member. (2) The image recording apparatus according to claim 1, wherein the first rotating body is provided downstream of the second rotating body with respect to the conveyance direction of the recording sheet. (3) The image recording apparatus according to claim 1 or 2, wherein the elastic member is an integral leaf spring for applying a pressing force to the first rotating body and the second rotating body.