JPH066374Y2 - Copier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a copying machine such as a portable type, for example, an electrostatic transfer copying machine, a laser printer, an ADF, a sorter,
It is used for RDH.

<Prior Art> In a portable type copying machine, as shown in FIG. 3, when a handle 2 mounted on a side surface 1a of a copying machine body 1 is grasped and lifted, a platen 3 which can be freely opened and closed is opened during normal copying. Since it slides down, a lock mechanism such as a magnet rubber and a lock lever 4 is provided to fix the document table 3.

In the conventional lock mechanism, as shown in FIGS. 4 (a) and 4 (b), the lock lever 4 is fixed to the movable plate 6 inside the main body 1 by the screw 5, and the lock lever 4 moves vertically along the main body 1. A steel ball 7 that is movable and that fits in the upper and lower holes 6a and 6b of the movable plate 6 to prevent the movable plate 6 from moving, and a spring 8 that urges the steel ball 7 in the hole fitting direction are included in the main body 1. It is arranged on the boss side of.

A fixing plate 10 having a micro switch 9 for detecting whether copying is possible is fixed to the main body 1 with screws 5.

Further, the side surface 1 on the side opposite to the side surface 1a on which the handle 2 is mounted is
A leg 11 for vertically placing the copying machine is attached to b.

In the above configuration, when the document table 3 is displaced in the direction of the arrow and the lock lever 4 is pressed down by hand, the micro switch 9 mounted on the fixed plate 10 is contacted with the lower end of the movable plate 6 to switch on, and the power switch is turned on. When turned on, copying is possible.

<Problems to be Solved by the Invention> In the above-mentioned conventional technique, the number of parts such as the lock lever 4, the movable plate 6, the spring 7, the steel ball 8, the micro switch 9, the fixed plate 10 and the like increases, resulting in an increase in cost. Therefore, in order to release the fixation of the original platen 3 by the lock lever 4, the original platen 3 must be displaced every time and the lock lever 4 must be manually pressed and lowered to turn on the power switch. Moreover, since the above components are mounted on the inner surface of the main body 1, there is a problem in the space inside the main body.

In order to solve this, the technique described in JP-A-61-65228 has been proposed.

As shown in FIGS. 5 and 6, a lock member 4 is attached to prevent movement of the document table 3 in a direction opposite to the side where the handle 2 is attached, and the lock member 4 is attached to the main body 1. The above problem is solved by mounting the spring 4a that urges the upper surface of the spring in the retracting direction.

However, since the lock member 4 projects from the side surface of the main body 1, the lock mechanism cannot be downsized, and the appearance is not good.

Further, when the copying machine is placed vertically, there is a problem that stability is poor because the area in contact with the floor is small.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a copying machine having a lock mechanism capable of automatically unlocking a document table and having stability during vertical placement.

<Means for Solving Problems> The means for solving the problems according to the present invention is, as shown in FIGS. 1 and 2, an openable / closable manuscript table 3 which reciprocates along the upper surface of the main body 1, and the main body 1. Portable handle 2 attached to side surface 1a
In a copying machine including the above, a concave lock piece storage portion 12 is formed on a side surface 1b of the main body 1 opposite to the side where the handle is mounted, and the storage portion 12 is provided with the original table 3 to the storage portion 12 side. A lock mechanism 13 that prevents movement and allows the document table 3 to move to the handle 2 side is provided, and the lock mechanism 13 is switchably movable in the storage portion 12 between a locked posture and a released posture. And a leg portion 15 formed on the outer side surface 14a of the lock piece 14 so as to contact the floor surface when the copying machine body is placed vertically. The outer side surface 14a of the lock piece 14 is It is flush with the side surface 1b of the main body 1.

A spring 16 is provided to move the lock piece 14 toward the release position, and the lock piece 14 is brought into contact with the document table 3 in the lock position to prevent the lock piece 14 from moving toward the release position.

<Operation> In the above problem solving means, when the power is turned on and the copy switch is turned on while the lock piece 14 is in the locked posture, the platen 3 moves in a copyable direction to cause the lock piece 14 to move. Is released from the document table 3, and the lock is automatically released. Then, the lock piece 14 is retracted into the storage portion 12 by the spring 16 or the like, and the outer surface 14 a of the lock piece 14 is
And the side surface 1b of the main body 1 are flush with each other.

Further, when the handle 2 is lifted and the main body of the copying machine is placed vertically, the lock piece 14 is pulled upward, engages with the document table 3, and locks by blocking its movement. Moreover, since the leg portion 15 is formed in the lock mechanism 13,
Prevents the main body of the copying machine from falling over and has stability when placed vertically.

<Embodiment> An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view of the copying machine of the present invention, and FIG. 2 is a sectional view of the lock mechanism.

Then, as shown in the drawing, in a copying machine including an openable / closable document table 3 which reciprocates along the upper surface of the main body 1 and a portable handle 2 attached to a side surface 1a of the main body 1, the handle of the main body 1 is provided. A concave lock piece storage portion 12 is formed on the side surface 1b opposite to the side surface 1a, and the storage portion 12 is provided with a lock mechanism 13 for preventing movement of the document table 3 in the direction opposite to the handle mounting side. Has been.

The lock mechanism 13 includes an inverted L-shaped lock piece 14 housed in the storage section 12 so as to be switchably movable between a locked position and a released position, and a lock piece so as to come into contact with the floor surface when the copying machine body is vertically installed. Legs 15 formed on the outer surface 14a of
And a spring 16 for urging the lock piece 14 in the unlocking direction.

The document table 3 is composed of a document retainer 17a and a glass plate 17, and since the document retainer 17a is a book-compatible type, it is divided into two and can be opened and closed.
The magnet rubber 18 is mounted on the glass plate 17, and the metal plate 19 is adhered to the glass plate 17 so that they can be attracted to each other and can be closed. Further, the document pressing member 17a is provided with a recess 20 for engaging with the lock piece 14 at a corner opposite to the side where the handle 2 is mounted.

The lock piece 14 has a hook-shaped (inverted L-shaped) upper end portion bent to engage with the recess 20, and the leg portion 15 is arranged on the outer side surface 14a thereof. The spring 16 is arranged inside the main body 1 and has one end connected to the lock piece 14 and the other end connected to the main body 1.

The storage portion 12 has a size capable of storing the portion excluding the upper end portion of the lock piece 14, and when the lock piece 14 is stored, the side surface 1b of the main body 1 and the outer side surface 14 of the lock piece 14 are stored.
It is formed on the side surface 1b of the main body 1 so as to be flush with a.

Further, on the side surface 1b on which the lock mechanism 13 is arranged, there are provided legs 21 for vertically installing the main body of the copying machine.

In the above structure, when the copy switch is turned on while the power is on, the platen 3 moves in a direction in which copying is possible, the lock piece 14 is disengaged from the recess 20 of the document holder 17a, and the lock is automatically performed. It will be canceled. And the lock piece 1
4 is a storage unit 12 along the outer wall of the main body 1 by a spring 16.
And is lowered and stored at a position deviated from the reciprocating orbit of the document table 3.

Therefore, by providing the lock mechanism 13 and the storage portion 12 thereof, the lock of the document table 3 can be automatically released, and the lock piece 14 is stored in the storage portion 12, so that the outer surface 14a of the lock piece 14 and the main body. Since it is flush with the side surface 1b of 1, the compact and clean design can be achieved.

Also, when the handle 2 is lifted and the main body of the copying machine is placed vertically, the lock piece 14 is pulled upward, and the recess 2 of the document table 3 is pulled up.
It locks by engaging 0 and blocking its movement. In addition, since the lock mechanism 13 is formed with the leg portion 15 which serves as a leg for vertically placing the copying machine main body, the range in contact with the floor surface can be widened, the falling of the copying machine main body can be prevented, and the vertical direction can be prevented. It can have stability.

It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.

For example, the shape of the lock piece 14 is not limited to the inverted L-shape, but may be a U-shape.

<Effects of the Invention> As is apparent from the above description, according to the present invention, the copyboard body is prevented from moving to the storage section side in the storage section on the side opposite to the side where the handle is mounted, and the copyboard main body is moved. A lock mechanism that allows movement to the mounting side is provided, and the lock mechanism is provided with a lock piece that can be switched between a lock posture and a release posture, and a spring that biases the lock piece toward the release posture side is provided. Since the lock piece is provided, when the copy switch is turned on and the document table moves to the handle side, the lock piece automatically separates from the document table and the spring can automatically move the lock piece to the release posture side. That is, since the lock mechanism can be unlocked automatically without requiring human intervention, the operation at the start of use of the copying machine becomes easy.

Also, since the lock piece of the lock mechanism is flush with the side surface of the main body, it is possible to make the design compact and neat in appearance, and it is difficult for something to be caught between the lock mechanism and the side surface of the main body. The lock piece can be prevented from being damaged.

Further, when the copying machine main body is placed vertically, the locking mechanism is formed with the leg portions, so that the copying machine main body can be prevented from falling down, and stability can be secured during vertical placement.

[Brief description of drawings]

1 is a perspective view of a copying machine of the present invention, FIG. 2 is a sectional view of the same locking mechanism, FIG. 3 is a perspective view of a conventional copying machine, and FIG.
(a) is a sectional view of a conventional locking mechanism, FIG. 4 (b) is a front view of the conventional locking mechanism, FIG. 5 is a perspective view of a conventional copying machine, and FIG. 6 is a vertical installation of the conventional copying machine. It is a front view at the time. 1: main body, 2: handle, 3: document table, 12: lock piece storage section, 13: lock mechanism, 14: lock piece, 15: leg section,
16: Spring.

Claims (1)

[Scope of utility model registration request] 1. A copying machine comprising an openable / closable document table which reciprocates along an upper surface of a copying machine main body, and a portable handle attached to a side surface of the main body, the opposite side of the main body from which the handle is mounted. A concave lock piece storage portion is formed on the side surface of the side, and the storage portion is provided with a lock mechanism that prevents the document table from moving to the storage portion side and allows the document table to move to the handle side. The lock mechanism is formed on the outer surface of the lock piece so that the lock piece is housed in the storage section so as to be switchably movable between a lock position and a release position, and is in contact with the floor surface when the copying machine body is vertically installed. A lock leg is provided, an outer surface of the lock piece is flush with a side surface of the main body, and a spring for urging the lock piece toward the release posture is provided. Abuts on the base and is blocked from moving to the release position A copying machine characterized by that.