JP2587668B2 - Ribbon cassette attachment / detachment mechanism for printer - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to, for example, a filing system for reading a document and filing the file to print a number or symbol for search management on the document in order to facilitate collation with the file content. It can be applied to devices and the like. Specifically, the present invention can be applied to a printing apparatus in which a ribbon cassette is inserted into a cassette mounting surface from a direction parallel to the mounting surface, and the ribbon cassette is mounted on the mounting surface. More specifically, in such a printing apparatus, the present invention relates to a ribbon cassette attaching / detaching mechanism for detachably attaching a ribbon cassette to / from a cassette attaching surface.

2. Description of the Related Art Conventionally, in a printing apparatus, a ribbon cassette is inserted into a cassette mounting surface from a direction perpendicular to the mounting surface, and mounted on the mounting surface.

However, in a printing apparatus that constitutes one system as a whole in combination with another apparatus, the paper transport direction is determined by the positional relationship with the other apparatus, and thereby the ribbon cassette is perpendicular to the cassette mounting surface. There is a case where it is difficult to insert from a different direction, and it can be inserted only in a parallel direction. In such a case, there is a problem that it is very difficult to set the ribbon cassette on the mounting surface.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve such a conventional problem in a printing apparatus, and to insert a ribbon cassette into a ribbon cassette mounting surface from a direction parallel to the mounting surface. The purpose is to facilitate the setting.

For this reason, the ribbon cassette attaching / detaching mechanism according to the present invention is applied to a printing device such as a filing system as shown in the following embodiments, for example, and is attached to a cassette attaching surface (17a) of a printer body (17). (17
Ribbon cassette (20) inserted from the direction parallel to a)
(25), a holder guide (31) for slidably supporting the cassette holder (25) at a retracted position (t) and a set position (s), and a set position (s). An auxiliary set lever (28) for pushing the ribbon cassette (20) to connect the ribbon feed mechanism of the ribbon cassette (20) to the ribbon feed mechanism of the printer body (17), and the cassette holder (25). And a set holding means (36) for holding at the set position (s).

Then, the cassette mounting surface (17
When the ribbon cassette (20) is attached and set to a), the ribbon cassette (20) is attached to the cassette holder (25) at the retracted position (t), and the cassette holder (25) is set.
To the set position (s), and push the ribbon cassette (20) with the auxiliary set lever (28) to move the ribbon feed mechanism of the ribbon cassette (20) to the ribbon feed mechanism of the printer body (17). Connecting. On the other hand, when taking out the ribbon cassette (20), on the other hand, the ribbon cassette (20) is pushed by the auxiliary set lever (28), and the ribbon feed mechanism of the ribbon cassette (20) is moved to the printer body (17). Remove from the ribbon feed mechanism and remove the ribbon cassette (2
0) from the cassette mounting surface (17a), slide the cassette holder (25) from the set position (s) to the retracted position (t), and then remove the ribbon cassette (20) from the cassette holder (25). Remove.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

In the illustrated embodiment, the ribbon cassette attaching / detaching mechanism according to the present invention is applied to a printing device of a filing system.

FIG. 7 shows the overall configuration of a filing system that reads and stores the contents of a document. The reference numeral (10) in the figure denotes a paper feeder, which sets the documents (11) on the paper feed table (10a) in an overlapping manner, and separates and feeds the documents (11) one by one. The fed document (11) is set at the document reading position (r) of the transport device (12). Then, the image information of the original (11) is read by the reading device (13). Then, the read information is sent to the controller (or computer) (14), and is directly recorded or processed and stored in the storage unit (15). At this time, a search management number including a number, a symbol, and the like is added to the stored information. When reading is completed, the document (11) is guided by a guide member (not shown) by the transport device (12), and the printing device (1) is guided.
6). The printing device (16) controls the printer body (17) housed in the device by the controller (14),
The above-mentioned search management number is printed on the document (11) sent to the predetermined position. Then, the paper is discharged onto the stack (18) after printing. This makes it possible to easily collate the image information of the document (11) with the storage information stored in the storage unit (15) of the controller (14) using the search management number.

FIG. 8 is an external perspective view of the printing device (16). As described above, the manuscript (11) is inserted into the printing device (16) in the direction of the arrow (A) in the figure, printed on the printer body (17) when passing over the printer body (17), and then stacked ( 18) Discharge on top. Therefore, the printer body (17) arranges the cassette mounting surface (17a) in the direction of insertion of the document (11) from the relationship of the document conveying direction, and the ribbon cassette (17a) is placed against the cassette mounting surface (17a). 20)
Is difficult to design as it is from a perpendicular direction, and can be inserted only from a parallel direction. Therefore, in the illustrated embodiment, a door (19) is provided on the front side of the printing device (16), and the door (19) is opened as shown in FIG. The cassette (20) is detachable in a direction parallel to the mounting surface (17a). In the illustrated embodiment, the printer body (17) is connected to the front side of the printing device (16), that is, the door (1) in order to facilitate the attachment and detachment of the ribbon cassette (20).
It is arranged close to 9).

FIG. 9 shows the installation of the ribbon cassette (20).
As is well known, the ribbon cassette (20) stores an ink ribbon therein and includes a ribbon feed mechanism for the ink ribbon. Also, a part (21) of the ink ribbon is pulled out and stretched between a pair of opposing arms (20a). Then, a flange-shaped protruding piece (20b) is provided on one side, and a hoisting knob (22) is provided adjacent thereto. Then, as shown by the arrow in the drawing, the cassette holder is inserted into the holding frame (23). The holding frame (23) is formed by bending a frame member into a U-shape and arranging the opening portion upward, and has a guide portion (23a) that opens outward on the left and right sides of the entrance portion. A bent portion (23b) is formed. The bent portion (23b) is bent outward and then further bent downward at the tip, and an engagement groove (23c) is provided halfway along the first bent portion corner. Then, the projecting piece (20b) is engaged with the engaging groove (23c), and the projecting piece (20
The ribbon cassette (20) is mounted in the holding frame (23) by abutting the end of (b) on the inner side of the engaging groove (23c). Ninth
Although not shown in the drawing, a leaf spring or the like is appropriately arranged in the holding frame (23) so as to securely hold the inserted ribbon cassette (20).

1 to 6 show a ribbon cassette attaching / detaching mechanism according to the present invention. As can be seen from the figure, the holding frame (23) is mounted on a slider (24), and the slider (24) constitutes a cassette holder (25) for fixing and holding the ribbon cassette (20). The slider (24)
It is box-shaped, with the rotating lever (26) mounted on the front side so as to be rotatable about the mounting part (27), and the auxiliary set lever (28) on the top surface swinging about the mounting shaft (29). Mount freely. The auxiliary set lever (28) is provided on the right side of the holding frame (23) in parallel with the holding frame (23). Then, it is urged by a leaf spring (30) disposed between the slider and the slider (24) to give a clockwise rotation behavior in FIG.

As shown in FIG. 2, the rotation lever (26) has a knob portion (26a) and a stopper portion (26b) before and after being bent, and before the ribbon cassette (20) is mounted on the cassette holder (25). Is rotated clockwise as shown in FIG. 3 (A), and the distal end is bent (28b) of the auxiliary set lever (28), which will be described later.
Put the auxiliary set lever (28) on the leaf spring (30)
1 counterclockwise in FIG. However, after the ribbon cassette (20) is attached as shown in FIG. 2, it is turned counterclockwise with the knob (26a), and is raised straight as shown in FIG. The part (26b) prevents the ribbon cassette (20) from coming out of the cassette holder (25). At this time, the auxiliary set lever (28) is naturally moved to the first position by the elastic force of the leaf spring (30).
It rotates clockwise in the figure, and the tip of the engaging portion (28d) contacts the upper surface of the base member (32) described later.

The auxiliary set lever (28) has a knob portion (28a) extending forward on one side, and the knob portion (28a)
Bend (28) extending in the direction of the rotation lever (26)
b). Further, a holding portion (28c) extending in the direction of the holding frame (23) is provided in the middle, and an engaging portion (28d) extending downward is provided on the other side.

Now, the cassette holder (25) is the holder guide (31)
Then, it is slidably supported at the retracted position (t) shown in FIG. 1 and the set position (s) shown in FIGS. 4 and 5.
The holder guide (31) has two guide rods (3) between a pair of support frames (33) arranged facing each other on the base member (32).
4) and cross over. And two guide rods (3
4) penetrates the slider (24) and the cassette holder (25)
Is slidably supported at the retracted position (t) and the set position (s). Therefore, as described above, the retreat position (t)
After the ribbon cassette (20) is attached to the cassette holder (25) shown in FIG. 1 as shown in FIG. 1, the rotation lever (26) is rotated as shown in FIG.
0) is securely inserted, and the inserted ribbon cassette (20) is prevented from coming out.
After a while, hold the cassette holder (2
5) is moved to the set position (s) shown in FIG. 4 and FIG. Then, as shown in FIG. 3 (B) and as can be seen from FIGS. 5 and 6, the engaging portion (28d) of the auxiliary set lever (28) is eventually engaged with the base member (32). Engage with mating hole (32a). Therefore, when the cassette holder (25) is strongly pushed toward the printer body (17) with the knob (28a) as shown by an arrow in FIG. 5 with the engagement position as a fulcrum, the ribbon cassette (20) is pushed. Then, the ribbon feed mechanism is connected to the ribbon feed mechanism of the printer main body (17), and the ribbon cassette (20) can be mounted and set on the cassette mounting surface (17a). Then, as shown in FIG. 5, the set holding means (36) including the magnet catcher (35) sucks the rotating lever (26) and moves the cassette holder (25) to its set position (s). Will be securely held.

Conversely, when removing the ribbon cassette (20), the auxiliary set lever (28) is pivoted from the position indicated by the solid line to the position indicated by the alternate long and short dash line in FIG. 6 with the knob (28a). Is removed from the engagement hole (32a) of the base member (32), and the ribbon cassette (20) is
Push down the protruding piece (20b). Then, the ribbon cassette (20) is pushed and the knob (28a) is moved to the position shown in FIGS.
Move to the right in the figure to remove the ribbon feed mechanism from the ribbon feed mechanism of the printer body (17), remove the ribbon cassette (20) from the cassette mounting surface (17a), and then place the cassette holder (25) at the set position. From (s) to the retracted position (t), the rotating lever (26) is then rotated to the position shown in FIG. 2, and the ribbon cassette (20) is removed from the cassette holder (25).

In the illustrated embodiment, the cassette holder (25) is constituted by the holding frame (23) and the slider (24). However, in the present invention, they may be constituted integrally, for example. In the illustrated embodiment, the cassette holder (25) is guided by two guide rods (34) so as to be slidable. However, the cassette holder (25) is not limited to the guide rod, and may be guided by other means. .

Effects Therefore, according to the present invention, the ribbon cassette to be inserted from the direction parallel to the cassette mounting surface with respect to the cassette mounting surface of the printer body is fixed and held by the cassette holder, and the cassette holder is moved from the retracted position to the set position. Since the set position is slid and the set position is held by the set holding means, even when the ribbon cassette is inserted into the cassette mounting surface from a direction parallel to the mounting surface, the mounting set is facilitated. be able to.

Further, since the ribbon cassette is pushed by the auxiliary set lever at the setting position and the ribbon feed mechanism of the ribbon cassette is connected to the ribbon feed mechanism of the printer main body, it is easy to mount the ribbon cassette on the printer main body. Can be.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, in which a ribbon cassette attaching / detaching mechanism according to the present invention is applied to a printing apparatus of a filing system. FIG. 2, FIG. 2 is a partial front view thereof, FIGS. 3 (A) and 3 (B) are front views showing before and after rotation of the rotation lever, respectively, and FIG. 4 is a ribbon cassette with the cassette holder in the set position. FIG. 5 is a plan view thereof, FIG. 6 is a right side view thereof, FIG. 7 is an overall schematic configuration diagram of the filing system, FIG. 8 is an external perspective view of the printing apparatus, and FIG. FIG. 4 is an explanatory diagram showing attachment of a ribbon cassette to a holding frame. (16) Printing device (17) Printer body (17a) Cassette mounting surface (20) Ribbon cassette (25) Cassette holder (28) Auxiliary set lever (31) Holder Guide (36): Set holding means (s): Set position (t): Retreat position

Claims (1)

(57) [Claims] 1. A cassette holder for fixing and holding a ribbon cassette inserted into a cassette mounting surface of a printer body in a direction parallel to the mounting surface, and the cassette holder is slidably supported at a retracted position and a set position. An auxiliary set lever that pushes the ribbon cassette at the set position to connect a ribbon feed mechanism of the ribbon cassette to a ribbon feed mechanism of the printer body; and holds the cassette holder at the set position. A set holding means, and a ribbon cassette attaching / detaching mechanism of the printing apparatus, comprising: