Printer and battery unit

Abstract

To provide a printer that can contribute to improving durability of a contact terminal that contacts a battery terminal, and a battery unit.SOLUTION: A printer comprises a unit enclosure 210, a contact terminal 225, and an opening / closing cover 300. The unit enclosure 210 has a battery storage part 233 that is a space in which a battery 39 is stored. The contact terminal 225 is exposed on the battery storage part 233 while pointing downward, and deflects upward. The battery 39 is placed on the opening / closing cover 300. The opening / closing cover 300 turns with a turning shaft as a center, to be movable to a first position and a second position P2. When the opening / closing cover 300 is at the first position, a battery terminal 39A of the battery 39 retreats from the contact terminal 225 exposed on the battery storage part 233. When the opening / closing cover 300 moves from the first position to the second position P2, the battery terminal 39A of the battery 39 contacts the contact terminal 225 exposed on the battery storage part 233, from below.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to a printer and a battery unit. [Background technology]

[0002] The battery tray of Patent Document 1 includes an opening and a contact terminal. The opening is provided at one end of the battery tray. The contact terminal is provided on a bottom surface of the inner surface of the battery tray that extends so as to intersect with the opening. A battery pack is inserted into the battery tray through the opening. When the battery pack is inserted into the battery tray, the battery terminal of the battery pack comes into contact with the contact terminal. In this case, the contact terminal is deflected toward the bottom surface due to a load from the battery terminal. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2-299149 Summary of the Invention [Problem to be solved by the invention]

[0004] It is conceivable that the above-mentioned battery tray is applied to a printer. When a battery pack is inserted into the battery housing of a printer, the battery terminal may come into contact with the contact terminal from the orthogonal direction perpendicular to the bending direction of the contact terminal, which may place a load on the contact terminal. For this reason, in a printer using the above-mentioned battery tray, the contact terminal may have poor contact or peeling, and problems may arise with the durability of the contact terminal that comes into contact with the battery terminal.

[0005] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a printer and a battery unit which contribute to improving the durability of contact terminals that come into contact with battery terminals. [Means for solving the problem]

[0006] A printer according to a first aspect of the present invention comprises a printing unit that is powered by power from a battery and prints on a medium, a housing having a battery storage section that opens in a first direction and is a space in which the battery is stored, a contact terminal that electrically connects to the printing unit, the contact terminal being exposed to the battery storage section from a wall of the housing that defines the battery storage section facing the first direction, capable of contacting a battery terminal of the battery and bending in the opposite direction to the first direction, and an opening / closing cover on which the battery is placed, the opening / closing cover being movable to a first position that opens the battery storage section and a second position that closes the battery storage section by rotating about a rotation axis that extends in a second direction perpendicular to the first direction, wherein when the opening / closing cover is in the first position, the battery terminal of the battery placed on the opening / closing cover retracts from the contact terminal exposed in the battery storage section, and when the opening / closing cover moves from the first position to the second position, the battery terminal of the battery placed on the opening / closing cover comes into contact with the contact terminal exposed in the battery storage section from the first direction side.

[0007] In the printer, the battery terminal of the battery contacts the contact terminal from the first direction side. In this case, the contact terminal receives a load from the battery terminal by bending in a direction opposite to the first direction. Therefore, the printer contributes to improving the durability of the contact terminal that contacts the battery terminal.

[0008] The printer according to the first aspect of the present invention may include a substrate provided in the housing and extending so as to intersect with the first direction, and the contact terminal may be mounted on a mounting surface of the substrate facing the first direction. When the openable cover on which the battery is placed is moved to the second position, a load is applied from the battery terminal to the contact terminal. In this case, the printer can distribute the load applied to the contact terminal by the substrate extending so as to intersect with the first direction. Therefore, the printer can improve the durability of the contact terminal.

[0009] In the printer according to the first aspect of the present invention, the substrate may extend perpendicular to the first direction. In the printer, since the substrate extends in a direction perpendicular to the first direction, the substrate can more appropriately distribute a load applied from the battery terminal to the contact terminal.

[0010] In the printer according to the first aspect of the present invention, the battery storage section may be provided on a first plate on the first direction side of the housing, and a user may move an access cover on which the battery is placed between a first position and a second position while the printer is tilted.

[0011] In the printer according to the first aspect of the present invention, an operating unit may be provided on the second plate on the opposite side of the housing. By providing a battery storage unit on the first plate opposite the second plate on which the operating unit is provided, the printer can prevent the operating unit from being damaged when the battery is attached.

[0012] In the printer according to the first aspect of the present invention, in a third direction perpendicular to the first direction and the second direction, the contact terminal may be located on the opposite side of the battery housing section from the pivot shaft side with respect to a center of the battery housing section. Compared to a case in which the contact terminal is located on the pivot shaft side in the third direction, the pivot radius of the battery terminal of the battery placed on the opening / closing cover is larger. Therefore, the battery terminal is more likely to come into contact with the contact terminal from the first direction side. Therefore, the printer can more appropriately flex the contact terminal.

[0013] In the printer according to the first aspect of the present invention, the battery storage section may further open to one side in a third direction perpendicular to the first direction and the second direction, and when the opening / closing cover is in the second position, an end of the opening / closing cover on the third direction side may close the one side of the battery storage section in the third direction. A user can easily identify the end of the opening / closing cover by visually checking the one side of the printer in the third direction. This makes it easy for the user to access the opening / closing cover.

[0014] In the printer according to the first aspect of the present invention, a third plate on one side of the housing in the second direction may be provided with an outlet for discharging the printed medium, and a fourth plate on the other side of the housing in the second direction may be provided with a power receiving unit capable of receiving power from an external power source other than the battery. The printer can efficiently use the third plate and the fourth plate.

[0015] A battery unit according to a second aspect of the present invention is a battery unit to be attached to a printer having a printing section that is driven by power from a battery and prints on a medium, the battery unit comprising: a unit housing having a battery storage section that opens in a first direction and is a space in which the battery is stored; a contact terminal that electrically connects to the printing section when the battery unit is attached to the printer, the contact terminal being exposed to the battery storage section from a wall of the unit housing that defines the battery storage section in the first direction, capable of contacting a battery terminal of the battery, and bending in a direction opposite to the first direction; and a cover on which the battery is placed. and an opening / closing cover that can be moved to a first position that opens the battery storage section and a second position that closes the battery storage section by rotating about a rotation axis extending in a second direction perpendicular to the first direction, wherein when the opening / closing cover is in the first position, the battery terminal of the battery placed on the opening / closing cover is retracted from the contact terminal exposed in the battery storage section, and when the opening / closing cover moves from the first position to the second position, the battery terminal of the battery placed on the opening / closing cover comes into contact with the contact terminal exposed in the battery storage section from the first direction side.

[0016] The battery unit described above provides the same effects as the printer according to the first aspect. [Brief description of the drawings]

[0017] [Figure 1] FIG. 2 is a perspective view of the printer 1 and a battery unit 200. [Diagram 2] 1 is a perspective view of a battery unit 200 removed from a printer 1. FIG. [Diagram 3] 2 is a perspective view of the battery unit 200 as viewed from the lower right side. [Figure 4] 2 is a cross-sectional view taken along line II when opening / closing cover 300 is in a first position P1. [Diagram 5] 2 is a cross-sectional view taken along line II when opening / closing cover 300 is in second position P2. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] An embodiment of the present invention will be described with reference to the drawings. In the following description, the left and right, front and back, and top and bottom are indicated by arrows in the drawings. For the sake of convenience, the orientation of the printer 1 in the drawings will be described in the directions indicated by the arrows in the drawings.

[0019] Printer 1 is a thermal printer. Printer 1 is driven by power from an AC adapter (not shown), which is an external power source. Printer 1 is also driven by power from a battery 39 in a battery unit 200, which will be described later. Printer 1 can print characters such as letters and figures on a print medium (hereinafter referred to as "medium") based on print data.

[0020] The printer 1 will be described with reference to Figures 1 and 2. The printer 1 is a rectangular parallelepiped that is long in the front-to-rear direction. The printer 1 is made up of a printer housing 10 and an opening / closing cover 3. The printer housing 10 has a bottom plate 11, a front plate 12, a rear plate 13, a left plate 14, and a right plate 15. The printer housing 10 is box-shaped and opens upward.

[0021] An AC adapter jack 38 capable of receiving power from an AC adapter (not shown) is provided on the rear panel 13 of the printer housing 10. A mounting section 8 for mounting a medium is provided at the rear end of the printer housing 10. The mounting section 8 is provided with left and right support sections 81L, 81R. The support sections 81L, 81R rotatably support the medium wound in a roll.

[0022] A platen roller 18 is rotatably supported at the front end of the printer housing 10. The platen roller 18 extends in the left-right direction. The platen roller 18 rotates by power from a motor (not shown). The platen roller 18 transports the medium from the mounting section 8 toward the discharge outlet 9. The discharge outlet 9 is provided at the upper end of the front panel 12. The discharge outlet 9 extends in the left-right direction. The discharge outlet 9 discharges the printed medium to the outside of the printer housing 10.

[0023] The printer housing 10 is opened and closed by an opening / closing cover 3. The opening / closing cover 3 constitutes the upper end of the printer 1. An operation unit 4 is provided on the opening / closing cover 3. The operation unit 4 includes a key panel 5 and a display 6. The display 6 is disposed behind the key panel 5. The key panel 5 has physical keys capable of inputting information. The key panel 5 accepts operations by the user. The display 6 is, for example, a touch panel. The display 6 accepts operations by the user and displays information.

[0024] A thermal head 17 is provided at the front end of the opening / closing cover 3. The thermal head 17 extends in the left-right direction. The thermal head 17 is driven by power from, for example, a battery 39. During printing, the thermal head 17 faces the platen roller 18 from above. The thermal head 17 heats the medium between itself and the platen roller 18. As a result, characters are printed on the medium. The printed medium is discharged from the discharge port 9.

[0025] The battery unit 200 will be described with reference to Figures 2 and 3. As shown in Figure 2, the battery unit 200 is detachable from the bottom plate 11 of the printer housing 10. The battery unit 200 includes a unit housing 210. The unit housing 210 includes a bottom plate 211, a front plate 212, a rear plate 213, a left plate 214, a right plate 215, and an upper plate 216. The unit housing 210 is configured in the shape of a rectangular parallelepiped that is long in the front-rear direction.

[0026] The unit housing 210 has a battery accommodating section 233. The battery accommodating section 233 is a rectangular parallelepiped space extending in the left-right direction, and a battery tray 300 on which a battery 39 is placed is attached. Therefore, the battery 39 is accommodated in the space of the battery accommodating section 233. The battery accommodating section 233 is formed by recessing the center of the bottom plate 211 toward the upper plate 216. The battery accommodating section 233 has a center in the front-rear direction that opens downward and to the right. Since the battery unit 200 is attached to the bottom plate 11 of the printer 1, the battery accommodating section 233 is provided on the lower side of the printer housing 10.

[0027] 3, the space of the battery housing section 233 is defined by walls such as a front wall 252, a rear wall 253, a left wall 254, and a top wall 256. An opening 235 that opens in the vertical direction is provided at the right end of the top wall 256. A hook engagement section 241 that engages with a hook 321 (described later) is provided at the front end of the top wall 256. Holes 252A and 253A are provided at the left ends of the front wall 252 and the rear wall 253, respectively. Hole 252A is recessed toward the front. Hole 253A is recessed toward the rear.

[0028] A board 221 is disposed between the upper plate 216 and the upper wall 256 of the unit housing 210 (see FIG. 4). The board 221 extends perpendicularly downward. That is, the board 221 is plate-shaped extending in the front-rear and left-right directions. The contact terminal 225 is mounted on a mounting surface 224 on the lower side of the board 221. A plurality of contact terminals 225 are provided and lined up in the front-rear direction. The contact terminals 225 face downward from the opening 235 and are exposed to the battery accommodating section 233. In the left-right direction, the contact terminal 225 is located on the side of the battery accommodating section 233 opposite the rotating shaft 323 side with respect to the center of the battery accommodating section 233. The contact terminal 225 is capable of coming into contact with a battery terminal 39A of the battery 39.

[0029] The contact terminal 225 of the board 221 is electrically connected to a board (not shown) of the printer 1 by a harness 330. That is, the contact terminal 225 is electrically connected to the operation unit 4, the thermal head 17, the platen roller 18, etc. via the board (not shown) of the printer 1. Therefore, the printer 1 can be driven by the power of the battery 39.

[0030] The opening / closing cover 300 will be described with reference to Fig. 3. The opening / closing cover 300 includes a cover housing 310. The cover housing 310 includes a bottom plate 311, a front plate 312, a rear plate 313, a left plate 314, and a right plate 315. The cover housing 310 opens upward. A rectangular parallelepiped battery 39 is placed on the bottom plate 311 from above.

[0031] A front rotating shaft 323 is provided on the front plate 312. The front rotating shaft 323 extends forward from the left end of the front plate 312. The front rotating shaft 323 engages from the rear with a hole 252A provided in the front wall 252 of the battery accommodating section 233. A rear rotating shaft 323 is provided on the rear plate 313. The rear rotating shaft 323 extends rearward from the left end of the rear plate 313. The rotating shaft 323 engages from the front with a hole 253A provided in the rear wall 253 of the battery accommodating section 233. A hook 321 is provided on the upper end of the right plate 315. The hook 321 extends upward from the center of the right plate 315. The hook 321 can engage with a hook engaging section 241 of the battery accommodating section 233.

[0032] The opening-closing cover 300 can move between a first position P1 and a second position P2 by rotating about a rotation shaft 323. The first position P1 is a position where the battery storage section 233 is opened (see FIGS. 3 and 4). The second position P2 is a position where the battery storage section 233 is closed (see FIGS. 1 and 5). When the opening-closing cover 300 is in the second position P2, the bottom plate 311 of the opening-closing cover 300 closes the opening of the battery storage section 233 facing downward. In addition, the right plate 315 of the opening-closing cover 300 closes the opening of the battery storage section 233 facing to the right. When the printer 1 is viewed from the right, the user can see the right plate 315 of the opening-closing cover 300.

[0033] 4 and 5, the operation of mounting the battery 39 performed by the user will be described. In the following description, it is assumed that the battery unit 200 is not mounted on the printer 1 and the battery unit 200 does not house the battery 39.

[0034] The user mounts the battery unit 200 on the printer 1 (see FIG. 1). For example, the user tilts the upper end of the printer 1 together with the battery unit 200 to the left. The user moves the opening / closing cover 300 to the first position P1 to open the battery housing section 233 (see FIGS. 2 to 4). The user places the battery 39 on the opening / closing cover 300 (see FIGS. 2 to 4). In this case, the user positions the battery terminal 39A of the battery 39 facing the right plate 315 (see FIG. 4). When the opening / closing cover 300 is in the first position P1, the battery terminal 39A of the battery 39 placed on the opening / closing cover 300 is retracted from the contact terminal 225 exposed in the battery housing section 233.

[0035] A user moves opening / closing cover 300 from first position P1 (see FIG. 4) to second position P2 (see FIG. 5) by rotating opening / closing cover 300 about rotation shaft 323 (see arrow A in FIG. 4). When opening / closing cover 300 moves from first position P1 to second position P2, battery terminal 39A of battery 39 placed on opening / closing cover 300 comes into contact with contact terminal 225 exposed in battery housing section 233 from below. In this case, contact terminal 225 bends upward.

[0036] When the opening-closing cover 300 is in the second position P2, the hooks 321 engage from below with the hook engagement portions 241 of the battery housing portion 233. As a result, the opening-closing cover 300 is attached to the battery housing portion 233.

[0037] In this manner, the battery 39 is attached. When removing the battery 39 from the battery housing portion 233, the user can open the battery housing portion 233 by moving the opening / closing cover 300 from the second position P2 to the first position P1, and then remove the battery 39.

[0038] As described above, when the opening-closing cover 300 is in the first position P1, the battery terminal 39A of the battery 39 placed on the opening-closing cover 300 is retracted from the contact terminal 225 exposed in the battery housing section 233. When the opening-closing cover 300 moves from the first position P1 to the second position P2, the battery terminal 39A of the battery 39 placed on the opening-closing cover 300 comes into contact with the contact terminal 225 exposed in the battery housing section 233 from below.

[0039] In the printer 1, the battery terminal 39A of the battery 39 contacts the contact terminal 225 from below. In this case, the contact terminal 225 receives a load from the battery terminal 39A by bending upward. With this contact method, the battery terminal 39A is unlikely to contact the contact terminal 225 from the right, for example, and an excessive load is unlikely to be applied to the contact terminal 225. Therefore, the printer 1 contributes to improving the durability of the contact terminal 225 that contacts the battery terminal 39A.

[0040] The board 221 extends perpendicularly downward. In the printer 1, since the board 221 extends in a direction perpendicular to the downward direction, the board 221 can distribute the load applied from the battery terminal 39A to the contact terminal 225 more appropriately.

[0041] The battery storage section 233 is provided on the lower side of the printer housing 10. For example, with the printer 1 tilted, the user can move the opening and closing cover 300 on which the battery 39 is placed to a first position P1 and a second position P2.

[0042] An operation unit 4 is provided on the opening / closing cover 300 on the upper side of the printer 1. By providing a battery storage section 233 on the lower side of the printer 1 opposite the opening / closing cover 300 on which the operation unit 4 is provided, the printer 1 can prevent the operation unit 4 from being damaged when the battery 39 is attached.

[0043] In the left-right direction, the contact terminal 225 is located on the opposite side of the pivot shaft 323 side of the center of the battery housing 233 in the left-right direction. Compared to the case where the contact terminal 225 is located on the pivot shaft 323 side in the left-right direction, the pivot radius of the battery terminal 39A of the battery 39 placed on the opening / closing cover 300 is larger. Therefore, the battery terminal 39A is more likely to contact the contact terminal 225 from the lower side. Therefore, the printer 1 can more appropriately bend the contact terminal 225. Also, for example, when the battery 39 is attached with the printer 1 tilted, the area in which the opening / closing cover 300 can move is narrowed. In this case, the space on the pivot shaft 323 side of the battery housing 233 is narrowed. For example, when the contact terminal 225 is exposed on the pivot shaft 323 side, the battery terminal 39A of the battery 39 placed on the opening / closing cover 300 is more likely to contact the wall on the pivot shaft 323 side of the battery housing 233. In response to this, the printer 1 exposes the contact terminal 225 on the side of the battery housing section 233 opposite the rotating shaft 323. This reduces the possibility that the battery terminal 39A will come into contact with the wall of the battery housing section 233 on the rotating shaft 323 side. Therefore, the printer 1 can prevent the battery terminal 39A of the battery 39 from being damaged.

[0044] The battery storage section 233 opens further to the right. When the opening-closing cover 300 is in the second position P2, the right plate 215 of the opening-closing cover 300 closes the opening facing the right of the battery storage section 233. A user can easily identify the right plate 315 of the opening-closing cover 300 by visually checking the right side of the printer 1. This makes it easy for the user to access the opening-closing cover 300.

[0045] An outlet 9 for discharging printed media is provided on the front panel 12 on the front side of the printer housing 10. An AC adapter jack 38 capable of receiving power from an AC adapter is provided on the rear panel 13 on the rear side of the printer housing 10. The printer 1 can efficiently use the front panel 12 and rear panel 13.

[0046] In the above embodiment, the lower side corresponds to the "first direction" of the present invention. The front-rear direction corresponds to the "second direction" of the present invention. The upper side corresponds to the "opposite direction" of the present invention. The left-right direction corresponds to the "third direction" of the present invention. The right side corresponds to "one side of the third direction" of the present invention. The front side corresponds to "one side in the second direction" of the present invention. The rear side corresponds to "the other side in the second direction" of the present invention. The thermal head 17 corresponds to the "printing unit" of the present invention. The opening / closing cover 3, the printer housing 10, and the unit housing 210 correspond to the "housing" of the present invention. The AC adapter jack 38 corresponds to the "power receiving unit" of the present invention. The bottom plate 211 corresponds to the "first plate" of the present invention. The opening / closing cover 3 corresponds to the "second plate" of the present invention. The front plate 12 corresponds to the "third plate" of the present invention. The rear plate 13 corresponds to the "fourth plate" of the present invention.

[0047] The above embodiment can be further modified in various ways as described below. The various modified examples described below can be combined with each other as long as no contradictions arise. In the above embodiment, the printer 1 is a thermal printer, but this is not limited to this. For example, the printer 1 may be an inkjet printer. In the above embodiment, the medium is wound in a roll and loaded into the loading section 8, but this is not limited to this. For example, the printer 1 may be one that supplies fanfold paper from an external source. In the above embodiment, the printer 1 is an approximately rectangular parallelepiped, but this is not limited to this. The shape of the printer 1 may be modified as appropriate.

[0048] In the above embodiment, the printer 1 can be driven by an AC adapter, which is an external power source, but this is not limited to the above. For example, a USB PD (USB Power Delivery) may be used as the external power source. Also, the printer 1 does not have to be driven by an external power source. In this case, the printer 1 does not have to have an AC adapter jack 38.

[0049] The printer 1 of the above embodiment may be provided with a handle that the user grips. In this case, the user grips the handle and tilts the printer 1. In this state, the user places the opening / closing cover 300 in the first position P1. The user places the battery 39 on the opening / closing cover 300. The user places the opening / closing cover 300 in the second position P2. In this way, the user can attach the battery 39 while using the handle.

[0050] In the above embodiment, the battery unit 200 is attached to the printer 1, but this is not limiting. For example, the printer housing 10 and the unit housing 210 of the printer 1 may be an integrated housing. The opening / closing cover 300 may be provided on any surface of the integrated housing. In this case, the direction in which the battery terminal 39A contacts the contact terminal 225 corresponds to the "opposite direction" of the present invention. For example, the opening / closing cover 300 may be provided at the lower end of the integrated housing, and the operation unit 4 may be provided on the upper plate of the integrated housing. The opening / closing cover 3 may or may not be provided.

[0051] In the above embodiment, the battery unit 200 is attached to the bottom plate 11 of the printer 1, but this is not limited to the above. The battery unit 200 may be attached to any of the front plate 12, rear plate 13, left plate 14, and right plate 15 of the printer 1.

[0052] In the above embodiment, the battery accommodating section 233 is rectangular parallelepiped-shaped, but is not limited to this. The shape of the battery accommodating section 233 may be changed as appropriate depending on the shapes of the battery 39 and the opening / closing cover 300. In the above embodiment, the battery accommodating section 233 is open downward and to the right, but is not limited to this. For example, the battery accommodating section 233 may only be open downward. In this case, the right plate 315 of the battery unit 200 may not be visible from the right side when in the second position P2. The battery accommodating section 233 may also be provided in the opening / closing cover 3 of the printer 1.

[0053] In the above embodiment, the contact terminal 225 is provided at the right end of the battery housing section 233, but this is not limiting. For example, the contact terminal 225 may be provided at the left end of the battery housing section 233, i.e., on the hinge side. In this case, the battery 39 may be placed on the opening / closing cover 300 with the left-right direction reversed from that in the above embodiment.

[0054] 4 is the first position P1 of the opening-closing cover 300 in the above embodiment, but this is not limiting. The first position P1 of the opening-closing cover 300 may be changed as appropriate. For example, the first position P1 of the opening-closing cover 300 may be a position where the left panel 14 of the printer housing 10 is placed on a desk or the like and the bottom panel 311 of the opening-closing cover 300 is placed on the desk, i.e., the state where the opening-closing cover 300 is opened 90 degrees.

[0055] In the above embodiment, the board 221 extends in a direction perpendicular to the downward direction, but this is not limited thereto. The board 221 may extend in a direction other than perpendicular to the downward direction, so as to intersect downward. In the printer 1, when the opening / closing cover 300 on which the battery 39 is placed moves to the second position P2, a load is applied from the battery terminal 39A to the contact terminal 225. In this case, the printer 1 can distribute the load applied to the contact terminal 225 by the board 221 extending so as to intersect downward. Therefore, the printer 1 can improve the durability of the contact terminal 225.

[0056] In the above embodiment, the operation unit 4 is configured with the key panel 5 and the display 6, but is not limited to this. For example, the operation unit 4 may be only the key panel 5 or only the display 6. The display 6 does not have to be a touch panel. The arrangement of the key panel 5 and the display 6 may be changed as appropriate. Furthermore, the operation unit 4 does not have to be present. [Explanation of symbols]

[0057] 1. Printer 4 Control section 5 Key Panel 6 Touch Panel 9 Outlet 10 Printer housing 11, 12, 13, 14, 15, 16 boards 17 Thermal head 38 AC adapter jack 39 Battery 39A Battery Terminal 200 Battery Unit 210 Unit Chassis 211, 213, 213, 214, 215, 216 board 216A End 221 Substrate 224 Mounting surface 225 Contact terminal 233 Battery compartment 252, 253, 254, 256 Wall 300 Opening and closing cover 310 Cover housing 311, 312, 313, 314, 315 board 323 Rotating shaft P1 first position P2 2nd position

Claims

1. a printing unit that is driven by power from a battery and prints on a medium; a housing having a battery housing portion that is an opening in a first direction and that is a space in which the battery is housed; a contact terminal electrically connected to the printing unit, the contact terminal facing the first direction from a wall of the housing that defines the battery housing portion, exposed to the battery housing portion, capable of coming into contact with a battery terminal of the battery, and bending in a direction opposite to the first direction; an opening / closing cover on which the battery is placed, the opening / closing cover being movable to a first position for opening the battery housing portion and a second position for closing the battery housing portion by rotating about a rotation axis extending in a second direction perpendicular to the first direction; Equipped with When the opening / closing cover is in the first position, the battery terminal of the battery placed on the opening / closing cover is retracted from the contact terminal exposed in the battery housing portion, When the opening / closing cover moves from the first position to the second position, the battery terminal of the battery placed on the opening / closing cover comes into contact with the contact terminal exposed in the battery housing portion from the first direction side. A printer characterized by:

2. a substrate provided in the housing and extending so as to intersect with the first direction; The contact terminal is mounted on a mounting surface of the substrate on the first direction side.

2. The printer according to claim 1.

3. The substrate extends perpendicular to the first direction.

3. The printer according to claim 2.

4. The battery storage portion is provided on a first plate on the first direction side of the housing.

2. The printer according to claim 1.

5. An operation unit is provided on the second plate on the opposite side of the housing.

5. The printer according to claim 4.

6. In a third direction perpendicular to the first direction and the second direction, the contact terminal is located on a side of the battery housing portion opposite to a side of the pivot shaft with respect to a center portion of the battery housing portion.

2. The printer according to claim 1.

7. the battery storage portion is further opened on one side in a third direction perpendicular to the first direction and the second direction, When the opening / closing cover is in the second position, an end portion of the opening / closing cover on the third direction side closes one side of the battery housing portion in the third direction.

5. The printer according to claim 4.

8. a discharge port for discharging the printed medium is provided on a third plate on one side of the housing in the second direction; A fourth plate on the other side of the housing in the second direction is provided with a power receiving unit capable of receiving power from an external power source other than the battery.

8. The printer according to claim 7.

9. A battery unit to be attached to a printer having a printing unit that is driven by power from a battery and prints on a medium, a unit housing having a battery housing portion that opens in a first direction and is a space in which the battery is housed; a contact terminal that is electrically connected to the printing section when the battery unit is attached to the printer, the contact terminal facing the first direction from a wall that defines the battery storage section of the unit housing, being exposed to the battery storage section, being capable of coming into contact with a battery terminal of the battery, and being bent in a direction opposite to the first direction; an opening / closing cover on which the battery is placed, the opening / closing cover being movable to a first position for opening the battery housing portion and a second position for closing the battery housing portion by rotating about a rotation axis extending in a second direction perpendicular to the first direction; Equipped with When the opening / closing cover is in the first position, the battery terminal of the battery placed on the opening / closing cover is retracted from the contact terminal exposed in the battery housing portion, When the opening / closing cover moves from the first position to the second position, the battery terminal of the battery placed on the opening / closing cover comes into contact with the contact terminal exposed in the battery housing portion from the first direction side. A battery unit characterized by:

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