JPH08254806A - Processing rack structure for photosensitive material processing device - Google Patents

Abstract

PURPOSE: To facilitate the assembling and washing work of a processing rack. CONSTITUTION: In a main rack 76, a central roller train 12 including a turn roller 20 at a lower end and a side roller train opposed to the respective rollers of the central roller train are attached to a 1st rack frame 76A integrally molded by coupling a pair of side plates 70 through plural stays 74A and the like). In a sub rack 84, a side roller train 16 is assmebled in a 2nd rack frame 84A integrally molded by coupling a pair of side plates 72 through plural stays (82A, 82C and the like). In the processing rack 10, the fixed part 88 of the main rack and the projected part 92 of the sub rack are screwed to be attachably/detachably coupled by a screw 90 after inserting and turnably engaging the engaging shaft part 86 of the sub rack in an engaging hole 80 formed at the lower end of the main rack.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing rack structure of a photosensitive material processing apparatus for carrying a photosensitive material while dipping it in a processing liquid along a predetermined conveying path and processing it.

[0002]

2. Description of the Related Art A silver halide light-sensitive material such as an exposed photographic film is automatically dipped in a processing solution such as a developing solution, a fixing solution and a washing water in a photosensitive material processing apparatus (automatic developing machine) and automatically. It is developed. In such a photosensitive material processing apparatus, processing racks for transporting the photosensitive material are arranged in the respective processing tanks for storing the respective processing liquids, and the driving and guiding by these processing racks cause a substantially U-shape in each processing tank. It is immersed in the treatment liquid while being conveyed like a sheet and treated.

A processing rack for processing these photosensitive materials comprises a central roller row and side roller rows provided on both sides of the central roller row, and rollers are provided on both sides of a U-shaped conveying path for the photosensitive material. It is configured by combining them in a staggered arrangement. That is, in such a processing rack, the photosensitive material is provided by two conveying paths for guiding and conveying the photosensitive material upward and downward by a large number of rollers arranged in a staggered manner and by a turn roller provided below the central roller row. In order to form a generally U-shaped transport path including a photosensitive material transport path that makes a U-turn, a number of rollers are accurately positioned and integrally assembled.

The processing rack thus assembled is
Since it is placed in each processing tank and used while being immersed in the processing liquid, it is contaminated with precipitates etc. during use,
Regular cleaning is required. In the processing rack having the above structure, it is relatively easy to wash each roller of the side roller row facing the outside of the processing rack by pulling out the processing rack from the processing tank, but each of the central roller rows is cleaned. When cleaning the rollers, it is not easy to clean the rollers because the rollers in the side row of rollers interfere with each other. For this purpose, for example,
As disclosed in Japanese Unexamined Patent Publication No. 130142, there is a system in which one side roller row is detachably attached to another roller row together with a rack side plate. As a result, the central roller row can be opened, and cleaning of the processing rack becomes relatively easy.

[0005]

However, around the turn roller provided at the lower end portion of the processing rack, in addition to the roller for sandwiching the photosensitive material with the turn roller, the photosensitive material is exposed along the peripheral surface of the turn roller. A guide is provided to guide the material. Guides may be arranged other than around the turn roller. These guides
In order to smoothly convey the photosensitive material along the conveying path without damaging it, it is necessary to position the photosensitive material conveying roller with high accuracy.

A conventional processing rack is provided with a pair of side plates made of sheet metal, a plurality of stays for holding the side plates at predetermined intervals, and a large number of holes formed in the side plates via bearings and the like. It consists of a plurality of transport rollers, a drive gear attached to each axis of the rollers, and a guide member attached to the side plate. The relative positional relationship of these members is adjusted using bolts, nuts, screws, etc. However, they were fixed or combined and integrated. Therefore, when the rollers and guides are removed from the side plate to wash the processing rack in detail, it is necessary to adjust the mutual positional relationship again. Is not easy. Therefore, the actual Kaihei 1-13
As described in Japanese Patent Publication No. 0142, a structure capable of opening a part of the roller row has been proposed. However, for example, there is a problem in the degree of opening around the turn roller and the guide around the turn roller and the ease of cleaning. Remaining.

The present invention has been made in consideration of the above facts, and in a processing rack in which a photosensitive material is conveyed by a large number of staggered rollers, a central roller row including a turn roller can be largely opened and washed. It is an object of the present invention to provide a processing rack structure of a photosensitive material processing apparatus, which enables subsequent assembling with high accuracy and facilitates cleaning work.

[0008]

The invention according to claim 1 is
The central roller row having a lower turn roller and the side roller rows arranged on both sides of the central roller row and sandwiching the photosensitive material between the lower roller row and the turn roller are provided. A processing rack structure of a photosensitive material processing device for forming a transport path for guiding and transporting a photographic photosensitive material in a substantially U-shape by having a plurality of holes for supporting the rollers of the central roller row in parallel with each other near both ends. A first rack frame formed by integrally molding a pair of side plates and a supporting member for holding these side plates at regular intervals, and a plurality of holes for supporting the rollers of the side roller row in parallel with each other near both ends. A pair of side plates, a support member for holding the side plates at a constant interval, and a second rack frame integrally formed with a guide member for guiding the photosensitive material between predetermined rollers; First supporting the rollers of the roller train
Fixing means for fixing the rack frame and the second rack frame in a state where the rollers of both roller rows form a conveying path for the photographic photosensitive material so as to be releasably fixed.

According to a second aspect of the present invention, there is provided the processing rack structure of the photosensitive material processing apparatus according to the first aspect, wherein the peripheral surface of the turn roller provided in each of the first rack frame and the second rack frame is provided. The support member opposed to the double side also serves as a guide means for guiding the photosensitive material around the turn roller.

[0010]

According to the first aspect of the present invention, the central roller row is assembled to the first rack frame, the side roller row is assembled to the second rack frame, and the first rack frame and the second rack frame are assembled. Are assembled and fixed by fixing means. Since each of the first rack frame and the second rack frame is integrally molded, each component such as a roller can be easily and accurately assembled, and the first rack frame and the second rack frame can be assembled. Can be assembled with high precision, and the processing rack can be assembled very easily.

Further, when cleaning the rollers in the processing rack, the fixing means may be released, whereby the turn roller below the central roller row can be opened, so that the cleaning operation becomes extremely easy. .

According to the second aspect of the present invention, the supporting members of the first and second rack frames provided around the turn roller also have the function of the guide means. As a result, the positional relationship between the guide and the turn roller can be kept highly accurate. Since the support member also functions as a guide, resin molding of each rack frame becomes easy.

[0013]

1 to 4, an example of a processing rack 10 of the present invention is shown. The processing rack 10 is arranged by being immersed in a processing solution in a processing tank that stores each processing solution in a photosensitive material processing apparatus, and a photosensitive material (not shown) fed from an upstream side is formed into a substantially U-shape in the processing solution. After being carried along the carrying path and subjected to the immersion treatment in the processing liquid, it is sent out to the processing section on the downstream side.

As shown in FIG. 2 or 4, the processing rack 10 is divided into two parts, a main rack and a sub-rack, and as shown in FIG. 3, these parts are integrally engaged. There can be two states, a stopped state. Processing rack 10
3, the central roller row 12 and the side roller rows 14 and 16 are provided on both sides of the central roller row 12 with the central roller row 12 sandwiched therebetween. The central roller row is composed of a plurality of rollers 18A to 18E and a large-diameter turn roller 20 below them.

On the other hand, each of the side roller rows 14 and 16 has rollers 18A to 18A which are adjacent to each other in the central roller row 12.
It is composed of a plurality of rollers 22A to 22F and 24A to 24F which are arranged so as to face each other through the middle of 18E. The lowermost rollers 22F and 24F of the side roller rows 14 and 16 respectively come into contact with the peripheral surface of the turn roller 20 and sandwich the photosensitive material between the turn roller 20 and the turn roller 20. In the processing rack 10, the rollers 18A to 18E of the central roller row 12 and the side roller row 1
The 4 and 16 rollers 22A to 22F and 24A to 24F are arranged in a staggered manner.

Therefore, in the processing rack 10, the central roller row 12 and the respective side roller rows 14 and 16 form a conveying path for guiding the photosensitive material in the vertical direction, and the turn roller 20 and the turn roller 20. The rollers 22F, 20A, and 24F that are in contact with the periphery of the roller form a turn portion for reversing the photosensitive material.
Further, a roller pair 26 is provided above the side roller row 14, and the photosensitive material nipped by the roller pair 26 and drawn therein is guided and conveyed downward by the central roller row 12 and the side roller row 14. The central roller row 12 and the side roller rows 16 guide and convey the photosensitive material, which has been reversed along the circumferential surface of the turn roller 20, upward to form a substantially U-shaped conveyance path.

Central roller row 12 and side roller rows 14
Each of the 16 rollers has a main rack 76 which will be described later.
And the auxiliary rack 84, and the entire processing rack 10 is arranged as shown in FIG. These racks are substantially rectangular rack side plates 70, 71 and 72.7 which are supported in parallel with each other at predetermined intervals by a supporting member such as a stay.
Three.

As shown in FIG. 1, each of the rack side plates 70 to 73 is formed with a plurality of through holes 32 at predetermined positions, and the rotary shaft of each roller is arranged in these through holes 32. Each roller is rotatably held at a predetermined position by being inserted into the formed bearing 34. The bearings 34, 34 for the pair of rollers 26, 26 are arranged so that the bearings 34, 34 can approach or separate from each other.
And / or through holes 32 are made. Similarly roller 2
The bearing 34 and / or the roller 2F, the roller 24F, and the counter roller 20A can be moved toward and away from the turn roller 20.
Alternatively, the through hole 32 is formed.

A ring-shaped groove is formed on the outer periphery of each bearing 34, and the rack side plate 70 of the main rack 76 is formed.
The rotating shaft 36 of the turn roller 20 held by 71
And 22F between the bearings of the rotary shaft 38, and between the rotary shaft 36 of the turn roller 20 and the bearings 34 of the rotary shaft 38 of the roller 24F, endless tension coil springs are formed by using ring-shaped grooves. 40 is wrapped around the outside of each rack side plate. In addition, the rotary shaft 36 of the opposed roller 20A
One end of a torsion spring 44 attached to the pin 42 protruding from the rack side plate 70 is in contact with the bearing 34 that pivotally supports the counter roller 20A.
Is urged against the turn roller 20. As a result, the rollers 22F and 24F and the counter roller 20A are pressed and urged toward the turn roller 20, and a clamping force of the photosensitive material is applied between the roller 22F and 24F and the turn roller 20. In addition, roller pair 2
The tension coil springs 40 are also provided between the bearings 34 that support each of the shafts 6 to provide a clamping force.

A pulley 46 is rotatably attached to the upper outer surface of the rack side plate 70 of the processing rack 10.
In addition, the rotary shaft 3 of one roller of the roller pair 26 that penetrates the rack side plate 70 and projects to the outer surface of the processing rack 10.
Sprockets 48 and 50 are attached to the rotary shaft 36 of the turn roller 20 and the turn roller 20, respectively, and an endless drive chain 52 is wound between the pulley 46 and the sprockets 48 and 50.

Further, the rollers 22A to 22E of the side roller row 14 protruding through the rack side plate 70 to the outer surface of the processing rack 10 and the rollers 24A to 24A of the side roller row 16 protruding through the rack side plate 72. A sprocket 54 is attached to each rotary shaft 38 of 24E, and each roller 18B to 18E of the central roller row 12 is attached.
A pulley 56 is attached to the rotary shaft 38.
One endless drive chain 52 is wound around the sprocket 54, the sprockets 48, 50 and the pulley 46. At this time, the pulley 56 and the sprocket 54 are in a staggered arrangement, and the pulley 56 presses the drive chain 52 against the sprocket 54, so that the drive chain 52 is prevented from being separated from the sprocket 54.

Further, the rotary shaft 3 of the turn roller 20 penetrating the rack side plate 71 facing the rack side plate 70.
A gear 58 is attached to one end of the gear 6, and the gear 58 meshes with a gear 60 attached to each rotary shaft 38 of the roller 22F and the counter roller 20A and meshes with the gear 60 of the roller 24F. Further, gears 62 are attached to the rotary shafts 36 of the rollers 18A to 18E of the central roller train 12, respectively. These gears 62 are attached to the rollers 22C and 22E of the side roller train 14, respectively.
It is adapted to mesh with a gear 62 attached to the rotary shaft 36 of the roller 24A of the side roller row 16 or any one of the two.

On the other hand, the sprocket 48 has a shaft 6
A drive gear 66 connected to a drive means (not shown) through 4 is attached. By transmitting the drive force to the drive gear 66, the drive chain 52 is rotationally driven together with the sprocket 48, and the drive force can be transmitted to each roller. As a result, each roller is rotationally driven in a predetermined direction at a predetermined speed to apply a predetermined conveying force to the photosensitive material when it comes into contact with the photosensitive material.

By the way, the processing rack 10 includes a central roller row 12, one side roller row 14 and a roller pair 26.
Main rack 76 including a pair of side plates 70 and 71 for supporting
And the side plates 72, 73 supporting the other side roller row 16
It is configured by assembling with a sub-rack 84 including.

As is apparent from FIG. 1, a pair of side plates 70.
71 is a plurality of stays or guides 74A to 74E
To form a first rack frame 76A, to which the bearings, pulleys, sprockets, endless tension coil springs, drive chains, gears, etc. are attached to form the main rack 76. Has been done. In addition,
These stays 74A to 74E are arranged so as to prevent the main rack 76 from being deformed by twisting.

On the side plates 70 and 71 of the main rack 76,
An extension portion 78 is formed at the lower end, and a vertically long engagement hole 80 is formed at a predetermined position of this extension portion 78.

Further, the other pair of side plates 72 and 73 is shown in FIG.
And a plurality of stays and guides 82 in the direction perpendicular to the paper surface of FIG.
A second rack frame 84A is integrally formed with A to 82C, and bearings, rollers, sprockets, and the like are attached to the second rack frame 84A to form the sub rack 84. The auxiliary rack 84 is formed with an engaging shaft portion 86 that projects outward at the lower end of the side plate 72. This sub rack 8
4 inserts each of the engaging shaft portions 86 into the engaging holes 80 provided in the extending portion 78 of the main rack 76, so that the main rack 76 and the sub rack 84 engage with each other at their lower end portions. Are connected. As a result, the sub-rack 84 is integrated with a state (shown in FIGS. 2 and 4) in which the sub-rack 84 is divided from the main rack 76 about the engaging shaft portion 86 inserted in the engaging hole 80 (FIG. 1). And shown in FIG. 3) (in the direction of arrow A and in the direction opposite to the direction of arrow A).

On the other hand, the side plates 70 and 71 of the main rack 76 are provided with a fixing portion 88 having a screw hole used for integrally locking the sub rack 84. A projecting portion 92 having a through hole through which the screw 90 can be inserted is formed at the upper end portion of the side plates 72 and 73 of the auxiliary rack 84. Therefore, the sub rack 84 is rotated toward the main rack 76 about the engaging shaft portion 86 inserted in the engaging hole 80 (arrow A).
Direction), the fixing portion 88 provided on the side plate 70 and the protruding portion 92 of the side plate 72 come into contact with each other at a predetermined position. In this state, the screw 90 is inserted into the protruding portion 92 and the fixing portion 88 and the protruding portion 92 are screwed together, so that the sub rack 84 can be fixed to the main rack 76 (see FIG. 3).

Further, the side plates 70 and 71 of the main rack 76 are provided with notches 94 and 96 at the end portion on the mounting side of the sub rack 84 at the intermediate portion in the vertical direction.
On the periphery of 96, flanges 94A, 96 protruding outward.
A is formed. On the other hand, the side plate 72 of the auxiliary rack 84 has a protruding portion 9 having a shape facing the notches 94 and 96.
8, 100 are provided.

Therefore, as shown in FIG. 3, the notch 9
By inserting the protrusions 98 and 100 into the respective Nos. 4 and 96 and bringing the protrusions 98 and 100 into contact with the flanges 94A and 96A, the sub rack 8 with respect to the main rack 76 can be obtained.
4 can be accurately positioned.

On the other hand, the stay 74E of the main rack 76 is provided near the lower part of the turn roller 20, and is provided between the turn roller 20 and the counter roller 20A between the counter roller 20A and 22F along the circumferential surface of the turn roller 20. It guides the leading edge of the photosensitive material that is nipped and conveyed, and in particular, part of it also functions as a guide that feeds it between the turn roller 20 and the roller 22F. Further, a part 104 of the stay 74D of the main rack 76 is provided between the turn roller 20 and the roller 18E, and the leading end of the photosensitive material nipped and conveyed by the turn roller 20 and the roller 22F is connected to the rollers 22E, 1E.
8E, 22D, 18D, 22C, 18C, 22B, 18
It acts as a guide for the staggered transport path consisting of B.

The stay 82C provided at the lower end of the auxiliary rack 84 approaches the peripheral surface of the turn roller 20 between the roller 24F and the counter roller 20A when the auxiliary rack 84 is assembled to the main rack 76. Is provided. The stay 82C guides the photosensitive material nipped and conveyed by the turn roller 20 and the roller 24F along the circumferential surface of the turn roller 20 between the counter roller 20A and the roller 24F, and between the turn roller 20 and the counter roller 20A. It also has the function of the guide 106 for feeding into.

Further, as shown in FIGS. 1 to 4, the stay 74A provided in the central upper portion of the main rack 76 is formed to have a wide width along the longitudinal direction, and through holes 108 for gripping are formed at a plurality of positions. It also serves as the handle portion 110 provided. Therefore, the handle 110 can be gripped and the processing rack 10 in which the main rack 76 and the auxiliary rack 84 are integrated can be lifted and taken out of the processing tank.

The main rack 76 has a central roller row 1
A stay 112 is attached between both side plates 70 and 71 between the two rollers 18A and 18B.

This stay 112 has rollers 18A below the central roller row 12 and a roller 18A below the side roller row 16 when the photosensitive material is inserted between the rollers 18A.
It serves as a guide for guiding the zigzag arrangement rollers including the rollers B to 18E and the rollers 24B to 24E to the conveying path. In this embodiment, the stay 112 is separately attached to the first rack frame 76A, but it is desirable to integrally form the stay 112 with the first rack frame 84A.

Next, the operation of this embodiment will be described. First, the assembly of the processing rack 10 will be described. First, the respective rollers of the central roller row 12 and the side roller row 14 are attached to the first rack frame 76A of the processing rack 10, and then each of the rollers is provided outside the side plate 70. Sprockets 48, 50, 54, gears 58 to 62, etc. for transmitting the driving force to the rollers are attached. At this time, since the side of the side roller row 16 of the central roller row 12 arranged inside the processing rack 10 is open, it is extremely easy to attach not only each roller but also the turn roller 20. In particular, the turn roller 20 is disposed below the inside of the processing rack 10 and includes the rollers 22F and 2F.
Since the structure is surrounded by 4F, the opposed roller 20A and the guides 102 and 106, there is no extra space in the conventional processing rack structure, and it was difficult to assemble these rollers and guides. However, according to the configuration of this embodiment, the main rack 76
In order to assemble the auxiliary rack 84 and the auxiliary rack 84 separately, the roller 24 is provided around the turn roller mounting portion of the first rack frame 76A.
Of course, since the guide 106 is not provided on the F side, the mounting work thereof is extremely easy.

Separately from the assembly of the main rack 76, the sprocket 54 and the gear 60 for transmitting the driving force to the second rack frame 84A and the side roller row 16 and each roller 24A to 24F of the side roller row 16. , 62 and the like are assembled to assemble the sub rack 84. At this time,
The first rack frame 76A and the second rack frame 84A respectively include a through hole 32 for attaching a roller and a guide 102,
Since 104 and 106 are integrally formed, the positioning of the rollers at the time of assembly can be performed easily and accurately. At this time, although the stay 112 is attached to the main rack 76, it is preferable that the stay 112 is also integrally formed with the main rack 76.

The main rack 76 and the sub rack 84, which are separately assembled, have the engaging shaft portion 86 of the sub rack 84 attached to the main rack 7.
6, the auxiliary rack 84 is rotated in the direction opposite to the arrow A direction, and is inserted into the notches 94 and 96 formed in the side plate 70 of the main rack 76.
0 to face each other, and projecting portions 98 on the flanges 94A and 96A,
100 is brought into contact and positioning is performed, and the protruding portion 92 of the side plate 72 is fixed to the fixing portion 88 of the side plate 70 with the screw 90. As a result, the processing rack 10 in which the sub rack 84 is assembled to the main rack 76 is assembled.

Since the first rack frame 76A and the second rack frame 84A are integrally molded products, the main rack 7
The positioning accuracy of the sub rack 84 with respect to 6 is high. Also,
It is possible to maintain the relative positional relationship between the rollers and the positional relationship between the rollers and the guide. In particular, the relationship between the turn roller 20 and the opposing roller 20A, the roller 22F, and the roller 24F and the accurate positioning of these rollers and the guides (also used as the stays 74E and 82C) are required, but the first rack frame of the main rack 76 is previously prepared. Since the components of the 76A and the second rack frame 84A of the auxiliary rack 84 are accurately molded at predetermined positions, it is sufficient to attach the turn roller 20 to the predetermined position of the main rack 76.

The processing rack 1 assembled in this way
0 is mounted in the processing tank of the photosensitive material processing apparatus. In the processing rack 10, when the driving force of the driving means in the photosensitive material processing apparatus is transmitted to the drive gear 66, it is transmitted from the drive gear 66 to each roller via the drive chain 52, and each roller is exposed to light. It is rotationally driven along the material conveying direction. As a result, the photosensitive material fed into the processing tank is guided and conveyed in a substantially U-shape by the processing rack 10 and immersed in the processing liquid stored in the processing tank for a predetermined time to be processed.

When cleaning the rollers and the like inside the processing rack 10. After gripping the handle 110 and pulling out the entire processing rack 10 from the processing tank, the screw 90 is pulled out to release the fixation of the main rack 76 and the sub rack 84. As a result, the sub rack 84 can be rotated about the engagement shaft portion 86 inserted in the engagement hole 80 of the main rack 76 in the direction away from the main rack 76 (the direction of arrow A), as shown in FIG.
The central roller row 12 provided on the main rack 76 can be opened, as shown in FIG. At this time, since the engaging shaft portion 86 is supported substantially below the turn roller 20 and the guide 106 provided near the peripheral surface of the turn roller 20 is provided on the sub rack 84, the circumference of the turn roller 20 is also provided. It can be opened.

As a result, the side roller row 1
Cleaning of the rollers 22A to 22F and 24A to 24F of Nos. 4 and 16 as well as the peripheral surfaces of the rollers 18A to 18E of the central roller row 12, the turn roller 20, and the counter roller 20A can be performed very easily. Further, by pulling out the engagement shaft portion 86 of the sub rack 84 from the engagement hole 80 of the main rack 76, the main rack 76 and the sub rack 84 can be washed separately.

The main rack 76 and the sub rack 8 that have been cleaned
4 is assembled, the auxiliary rack 84 is rotated around the engaging shaft portion 86 inserted in the engaging hole 80 of the main rack 76 so that the protruding portion 92 of the side plate 72 contacts the fixing portion 88 of the side plate 70. It may be brought into contact with each other and screwed and fixed by the screw 90. At this time, the protruding portion 9 of the side plate 72 is inserted into the notches 94 and 96 of the side plate 70.
The auxiliary rack 84 can be easily and accurately positioned with respect to the main rack 76 only by inserting the auxiliary racks 8 and 100.

In this embodiment, the processing rack 1 is constructed by engaging the lower ends of the main rack 76 and the sub rack 84 with each other.
Although 0 can be divided, a variety of divided structures can be applied without being limited to this. For example, by providing three rack frames, a central roller row 12 and side roller rows 14.1
The processing racks may be configured by assembling each of the six racks into different rack frames.

Further, the fixing means is not limited to the screw 90, but various fixing means that can be detachably connected can be applied, and the first rack frame 76A of the main rack 76 and the second rack frame of the auxiliary rack 84 can be applied.
The positioning of the rack frame 84A is not limited to the cutouts 94 and 96 and the extended portions 98 and 100, and various shapes of irregularities or the like can be used.

The present embodiment is an example of a processing rack which is used in a photosensitive material processing apparatus for processing a photosensitive material such as photographic paper or film with a processing liquid and is arranged in a processing tank for storing each processing liquid. It is shown and does not limit the configuration of the processing rack to which the present invention is applied.

[0047]

As described above, in the present invention, since the respective parts such as the rollers are arranged on the first and second rack frames integrally formed with each other, the assembling of the rollers and the like can be easily and accurately performed. In addition, the processing rack is extremely easy to assemble. Furthermore, since the central roller row of the processing rack can be easily opened to the lower turn roller, the excellent effect that the cleaning operation of the internal rollers is extremely easy can be obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a processing rack to which the present invention is applied.

FIG. 2 is a schematic perspective view showing a state in which a central roller row of the processing rack is opened.

3 is a schematic cross-sectional view of the processing rack taken along line 3-3 of FIG.

4 is a schematic cross-sectional view of the processing rack taken along line 4-4 of FIG.

[Explanation of symbols]

10 Processing Rack 12 Central Roller Row 14, 16 Side Roller Row 18A-18E, 22A-22F, 24A-24F
Roller 20 Turn roller 20A Opposing roller 70, 71 Side plate 72, 72 Side plate 74A to 74E, 82A to 82C Stay (supporting member) 76 Main rack 76A First rack frame 80 Engagement hole 84 Sub rack 84A Second rack frame 86 Engaging shaft portion 90 Screw (fixing means) 102, 104, 106 Guide

Claims (2)

[Claims] 1. A central roller row having a lower turn roller, and side roller rows arranged on both sides of the central roller row, the lower rollers sandwiching a photosensitive material between the lower roller and the turn roller. Is a processing rack structure of a photosensitive material processing apparatus in which a conveyance path for guiding and conveying a photographic photosensitive material in a substantially U-shape is formed by the rollers of the roller row of FIG. A first rack frame integrally formed with a pair of side plates having a plurality of holes and a supporting member for holding these side plates at regular intervals, and the rollers of the side roller row are parallel to each other near both ends. A pair of side plates having a plurality of holes for supporting, a support member for holding these side plates at regular intervals, and a guide member for guiding the photosensitive material between predetermined rollers are integrally molded to form a second rack. The frame and the first rack frame and the second rack frame that support the rollers of the respective roller rows are fixed in a releasable manner by combining the rollers of the two roller rows so as to form a conveyance path for the photographic photosensitive material. A processing rack structure for a photosensitive material processing apparatus, comprising: a fixing means. 2. A support member provided on each of the first rack frame and the second rack frame and opposed to a peripheral surface of the turn roller has a guide means for guiding the photosensitive material around the turn roller. The processing rack structure of the photosensitive material processing apparatus according to claim 1, which also serves as a processing rack.