JPH0130438Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mechanism for setting a document holding table in a flat scanning type photographic electrotransmission device.

In a conventional planar scanning type photographic transmission device, a document holding table is fixed to a mounting table that moves in the sub-scanning direction. There are many types of photographic originals to be mounted on the original holding table, such as those that have just been developed and have not been sufficiently dried, those that are curled, and those that are large and small, and there is an optimal holding structure depending on the condition of each original.

However, since the fixed document holding table has only one type of holding structure, it cannot accommodate a variety of document conditions.

Furthermore, when transmitting a plurality of originals, there is a problem in that it takes time to exchange the originals, and the line is put on hold during this time.

That is, the conventional document holding table setting mechanism lacks adaptability to the diversity of document conditions, and has the disadvantage that in the case of continuous transmission, unnecessary line hold time is required.

SUMMARY OF THE INVENTION An object of the present invention is to provide a document holder setting mechanism that is highly adaptable to a variety of document conditions and can prevent wasteful line holding time in the case of continuous transmission.

The document holding table setting mechanism of the present invention includes a mounting table that holds a removable document holding table, and a guide hole that protrudes from the top surface of the placing table and is loosely fitted into a guide hole bored in the bottom surface of the document holding table. at least one locating pin;
an elastic member provided on a side surface of the mounting table to press the wall surface of the guide hole against the positioning pin when the document holding table is set on the mounting table; and an elastic member rotatable to a surface corresponding to the side surface of the mounting table. a lever mechanism that is pivotally supported by a lever mechanism, has an elastically open state and a closed state, and pushes up the document holding table when in the open state and holds the document holding table on the mounting table when in the closed state. Consists of.

Embodiments of the present invention will be described in detail below with reference to the drawings.

Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a cross-sectional side view of AA' in FIG. a positioning pin 21 protruding from the plate spring 3;
A lever mechanism 4 is included.

As shown in FIG.
When it is set, it is fixed to the bottom 22 of the platform 2, and is held by the opposing sides 23, 24 and 25, 26. Both side surfaces of the document holding table 1 are set so as not to cause horizontal vibration with respect to the side portions 23 and 24. Further, the platform 2 is connected to a drive mechanism (not shown) and can be moved in the sub-scanning direction.

As shown in FIG. 2, a positioning pin 21 protruding from the bottom 22 of the mounting table 2 is loosely fitted into a guide hole 11 formed in the bottom surface of the original holding table 1. As shown in FIG.

The document holding table 1 is pressed in the direction of the arrow B by the leaf spring 3 provided on the side part 25 of the placing table 2, and the side wall of the guide hole 11 is pressed against the side surface of the positioning pin 21, and the document holding table 1 is fixed. It is set in position.

The lever mechanism 4 includes an opening/closing lever 41, a leaf spring 43 provided on the bottom portion 22, and a support shaft 4 horizontally suspended on the side portion 26.
4.

The opening/closing lever 41 is rotatably supported by a support shaft 44 and is pressed upward by a leaf spring 43.
FIG. 2 shows the lever mechanism 4 in the closed state, the C surface of the opening/closing lever 41 is pressed by the leaf spring 43, and the protrusion 4
The upper surface of document holder 2 positions the document holding table 1 in the vertical direction.

FIG. 3 is a cross-sectional side view showing the lever mechanism 4 in the open state, and when the opening/closing lever 41 is rotated in the direction E of the arrow shown in FIG. 2, the D surface of the opening/closing lever 41 is pressed by the leaf spring 43. , and the protrusion 42 pushes up the document holding table 1.

Therefore, the positioning pin 21 is removed from the guide hole 11, and the document holding table 1 is pushed diagonally upward by the leaf spring 3, so that it can be easily removed.

When setting original holding table 1 to loading table 2,
By pressing down the document holding table 1 while pressing the side surface 12 of the document holding table 1 against the leaf spring 3, the opening/closing lever 41 is returned to the closed state and set.

A plurality of document holding tables are prepared, and although their document holding mechanisms are not shown, there are two types: a type in which a transparent glass plate presses and holds the top of the document, and a type in which a fixed paper presser plate and a movable paper presser plate hold both ends of the document. A variety of materials are available to accommodate the diversity of manuscript conditions.

When sending multiple documents in succession, you can easily and quickly load the next document on another document holder while the previous document is being sent, and then replace it with the prepared document holder after the transmission is complete. The document holder can be attached and detached.

As described above, the setting mechanism of the document holder according to the present invention adds a lever mechanism, an elastic member, and a positioning pin to the document holder, and drills a guide hole in the document holder. 1 instead of fixing
By making it easy to attach and detach, it increases adaptability to various document conditions and prevents unnecessary line holding time in the case of continuous transmission, improving operability and line efficiency. be.

[Brief explanation of the drawing]

Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a sectional side view AA' of FIG. 1, and FIG. 3 is a sectional side view showing the lever mechanism in the embodiment shown in FIG. 1 in an open state. In the figure, 1... Original holding table, 2... Placing table, 3, 43... Leaf spring, 4... Lever mechanism, 1
1... Guide hole, 21... Positioning pin, 41...
...Opening/closing lever, 44...Spindle.

Claims (1)

[Scope of utility model registration request] a mounting table that holds a removable original holding table; at least one positioning pin that protrudes from the top surface of the placing table and fits loosely into a guide hole drilled in the bottom surface of the document holding table; and the placing table. an elastic member provided on a side surface of the document holding table to press the wall surface of the guide hole against the positioning pin when set on the document holding table; and an elastic member rotatably supported on a surface opposite the side surface of the document holding table. a lever mechanism that has an open state and a closed state, and pushes up the document holding table when in the open state and holds the document holding table on the mounting table when in the closed state. Table setting mechanism.