JP2921272B2 - Const holder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic printing / developing apparatus for printing a negative image on a photographic light-sensitive material, and more particularly to an apparatus for controlling a liquid using a control strip.

[0002]

2. Description of the Related Art Conventionally, liquid management in an automatic printing / developing apparatus is performed based on a result obtained by processing photographic paper which is a control strip, commonly called "Const".

The control strip is photographic paper coated with a photosensitive material and is loaded in the dark in a dark box called a const holder having a light-shielding port dedicated to each automatic printing and developing apparatus. Then, a dedicated const leader is attached with a splice tape to the tip of the const protruding from the mouth of the const holder in the light room, and set in an automatic printing / developing apparatus for processing.

FIG. 8 is a perspective view of a conventional const holder. Control strip 20 is inserted into const holder 21. FIG. 9 is a view showing a state in which the control strip thus loaded is pulled out.

The control strip 20 is a reader 2
2 and splice tapes 23 and 24. By pulling out the reader 22, the control strip is pulled out from the light blocking opening of the const holder.

[0006]

The light-shielding opening of the conventional const holder has a structure in which a control strip is inserted into a gap between the light-shielding opening and the velvet, but it is actually difficult to insert the control strip.

Further, since the pull-out force for pulling out the control strip after loading into the const holder is as large as about 1 kg, a leader called a const leader is attached with a tape and pulled out by a driving force from an automatic printing and developing apparatus.

[0008] However, the work of attaching the const leader is not easy, and it is desired to perform the const processing by a simpler work. An object of the present invention is to simplify const processing by using a const holder device having a new structure.

[0009]

In order to solve the above-mentioned problems, in the present invention, processing is performed using a const holder having means for opening and closing the light-shielding door by means of an external light-shielding door opening / closing instruction means.

The const holder of the present invention is set on an exposure table of an automatic printing and developing machine provided with a const holder light blocking door opening / closing instruction means, and the control strips are automatically pulled out from the const holder and adsorbed on the exposure table. To the department.

The operation of the device of the present invention will be described. Prepare a const holder with a light shield and a control strip, open the light door of the const holder in a dark bag (or dark room), and place one control strip.
Put it in the const holder and close the light blocking door.

The const holder taken out of the dark bag (or dark room) is set on an exposure table by opening the light shielding door of the automatic printing and developing machine, and the light shielding door of the automatic printing and developing machine is closed.

The const holder moves together with the exposure table, and the pins provided on the frame release the light lock door lock lever of the const holder and open the light lock door of the const holder.

[0014] The paper suction fan of the exposure table operates, and the control strip is suctioned to the exposure table. The exposure table returns to the original position (paper transport path) together with the const holder. The paper transport belt of the exposure table works, and the control strip is transported to the developing machine via the outlet.

In order to perform the const processing of the present invention, it is necessary to operate the const holder and the means corresponding to the automatic printing and developing machine.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory view showing a state in which a light shielding door of a const holder is opened. The const holder 1, which is a dark box with a light-shielding door, is placed with the A side down. The light-shielding opening of the const holder is opened and closed by the movement of the light-shielding curtain 2.
The constant output spring 6 is guided by the guide rollers 3, 4, and 5 and is urged by the spring holder 7 to open the light blocking opening.

Lock block 9 provided with lock lever 8
Are fixed to the rear end of the light shielding curtain 2 and can move up and down along the guide shaft 10. Stoppers 11 and 12 are provided at the upper and lower ends of the guide shaft 10 to restrict the movement of the lock block 9.

When the lock block 9 is located at a position in contact with the stopper 11 at the upper end, the light shielding curtain 2 is in a state of being pushed down, and the const insertion slot 13 is also open.

FIG. 2 is an explanatory view showing a state where the control strip is set on the const holder. The control strip 14 is wrapped longitudinally in the dark bag or (dark room) with the emulsion side inside as shown.

The control strip 14 is inserted into the const holder 1 with the light shielding port open from the insertion port 13 and the outer end of the wound control strip 14 is held at the point B by hand. This state is the state of the leading end of the wound control strip 14 in FIG.

The light-blocking curtain 2 is closed by pushing the lock lever 8 downward (side A). FIG. 3 shows this state. In a state where the lock block 9 is located at a position in contact with the stopper 12 at the lower end, the const insertion slot 13 is closed by the light shielding curtain 2.

At this time, since the lock lever 8 is connected to the light shielding curtain 2 and the constant output spring 6 via the lock block 9, the light shielding curtain 2 closes the light shielding opening while pulling the constant output spring 6, and the lock is performed. Before the block 9 hits the stopper 12, the light-blocking curtain lock arm 14 operates to keep the light-blocking curtain 2 with the light-blocking opening closed.

FIG. 4 is an explanatory view showing a state in which the const holder is attached to the automatic exposure and development apparatus. The const holder 1 loaded with the control strip is set on the exposure table with the light shielding door of the automatic printing and developing machine opened, and the light shielding door is closed. The light shield opening of the const holder is closed,
The pins 15 provided on the frame on the side of the automatic exposure and development device are not inserted. FIG. 5 is an explanatory view of the state of FIG. 4 as viewed from the side.

FIG. 6 shows a pin 15 provided on the frame after the const holder is attached to the automatic exposure and development device.
Is a diagram showing a state where the lock block 9 is moved, the light shielding curtain 2 is moved, and the light shielding door is opened.

The const holder 1 moves together with the exposure table, the pin 15 provided on the frame is pressed, and the light-blocking curtain lock arm 14 of the const holder 1 is rotated around the fulcrum pin 16 to release the lock. The light shielding curtain 2 of the const holder 1 moves and opens the light shielding opening.

At this time, the position of the light-blocking curtain lock arm 14 is held by the force of the extension coil spring 17. Then, when the const holder 1 moves together with the exposure table, the pin 15 provided on the frame releases the light shielding curtain lock arm 14 of the const holder by pushing back the tension coil spring 17. Then, since the lock block 9 is pulled by the constant output spring 6 and moves, as shown in FIG. 7, the light shielding curtain 2 of the constraint holder moves and the light shielding door is opened.

The paper suction fan of the exposure table operates, and the const is suctioned to the exposure table. It returns to the original position (paper transport path) together with the const holder 1 of the exposure table. The paper transport belt of the exposure table operates, and the control strip is transported to the developing machine via the outlet.

[0028]

According to the apparatus of the present invention, it is not necessary to attach a leader at the time of const processing, and it is not necessary to set the tip of a leader or a control strip on a machine, so that liquid management can be performed quickly. is there.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a const holder according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing how a control strip is set on a const holder according to the embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a state in which a control strip is set on a const holder according to the embodiment of the present invention and a light shielding curtain is closed.

FIG. 4 is an explanatory view showing a state in which the const holder according to the embodiment of the present invention is attached to an automatic exposure and development device.

FIG. 5 is an explanatory view of the state of FIG. 4 as viewed from the side.

FIG. 6 is a view showing a state in which a pin provided on a frame is inserted and a light shielding door is opened after the const holder according to the embodiment of the present invention is attached to the automatic exposure and development apparatus.

FIG. 7 is an explanatory view of the state of FIG . 6 as viewed from the side.

FIG. 8 is a sectional view of a conventional const holder.

FIG. 9 is an explanatory view of drawing out a control strip in a conventional const holder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Const holder 2 Light shield 3 Guide roller 4 Guide roller 5 Guide roller 6 Constant output spring 7 Spring holder 8 Lock lever 9 Lock block 10 Guide shaft 11 Stopper 12 Stopper 13 Control strip insertion port 14 Light shield curtain lock arm 15 Pin 16 Support pin 17 tension coil spring 20 control strip 21 const holder 22 leader 23 splice tape 24 splice tape

Claims (2)

(57) [Claims] (1) Liquid management using a control strip.
Controls used in automatic printing and developing equipment
The const holder for loading the strip is urged in the direction in which the light-shield opening opens, and is operated by an external operation.
Opened and closed by a light-blocking curtain that can be locked by a moving lock device
Const holder characterized by having a light blocking opening
- 2. Liquid management using a control strip.
Controls used in automatic printing and developing equipment
The const holder for loading the strip is guided by the guide rollers, and the light
It is urged in the opening direction and is operated by an external operation.
Light-blocking that can be opened and closed by a light-blocking curtain that can be locked by a locking device
A const holder characterized by having a mouth.