# US 9,040,941 B2 · Cassette for containing accumulative fluorescent sheet

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- Number: US 9,040,941 B2
- Document ID: US9040941B2
- Status: Granted
- Kind: B2
- Application number: 13/865,834
- Filed: 2013-04-18
- Published: 2013-10-24
- Granted: 2015-05-26
- Earliest claimed: 2012-04-24
- Assignees: FUJIFILM Corporation
- Applicants: FUJIFILM Corporation
- Inventors: Hiromi Ishikawa; Yasunobu Sakaguchi; Yasunori Narukawa; Yuzo Tanimoto; Kengo Nomura
- Web page: https://patentgrep.com/patent/US9040941B2

## CPC

- G01T 7/00: Details of radiation-measuring instruments
- G03B 42/04: Holders for X-ray films
- G01T: MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N23/00; tubes for determining the presence, intensity, density or energy of radiation or particles H01J47/00)
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)

## Abstract

There is provided a cassette having: a flexible accommodating body that accommodates an accumulative fluorescent sheet in a light shielded state; an entrance/exit portion that is provided at one end portion of the flexible accommodating body, and through which the accumulative fluorescent sheet can be inserted and removed into and from the flexible accommodating body due to mounting to a radiographic image reading device; and opening/closing means for opening the flexible accommodating body such that a push-out member, that pushes the accumulative fluorescent sheet out toward the entrance/exit portion, can be inserted, or closing the flexible accommodating body in a light shielded state.

## Claims

### Claim 1

A cassette comprising:
a flexible accommodating body that accommodates an accumulative fluorescent sheet in a light shielded state;
an entrance/exit portion that is provided at one end portion of the flexible accommodating body, and through which the accumulative fluorescent sheet can be inserted and removed into and from the flexible accommodating body due to mounting to a radiographic image reading device; and
an opening/closing portion that is configured to be operable to open the flexible accommodating body such that a push-out member, that pushes the accumulative fluorescent sheet out toward the entrance/exit portion, can be inserted, and that is configured to be operable to close the flexible accommodating body in a light shielded state.

### Claim 2 (depends on 1)

The cassette of claim 1, wherein the opening/closing portion is provided at another end portion of the flexible accommodating body.

### Claim 3 (depends on 1)

The cassette of claim 1, wherein the opening/closing portion is structured by a fastener having a groove portion and a projection portion that engages with the groove portion.

### Claim 4 (depends on 2)

The cassette of claim 2, wherein the opening/closing portion is structured by a fastener having a groove portion and a projection portion that engages with the groove portion.

### Claim 5 (depends on 1)

The cassette of claim 1, wherein the entrance/exit portion comprises an opening portion that communicates an inner side with an outer side of the flexible accommodating body, and
wherein tapered surfaces that widen the opening portion toward an outer side of the flexible accommodating body are formed at a periphery of the opening portion.

### Claim 6 (depends on 2)

The cassette of claim 2, wherein the entrance/exit portion comprises an opening portion that communicates an inner side with an outer side of the flexible accommodating body, and
wherein tapered surfaces that widen the opening portion toward an outer side of the flexible accommodating body are formed at a periphery of the opening portion.

### Claim 7 (depends on 3)

The cassette of claim 3, wherein the entrance/exit portion comprises an opening portion that communicates an inner side with an outer side of the flexible accommodating body, and
wherein tapered surfaces that widen the opening portion toward an outer side of the flexible accommodating body are formed at a periphery of the opening portion.

### Claim 8 (depends on 1)

The cassette of claim 1 comprising regulating portion for making it possible to mount the entrance/exit portion to the radiographic image reading device when obverse and reverse surfaces of the flexible accommodating body are oriented in a predetermined way.

### Claim 9 (depends on 2)

The cassette of claim 2 comprising regulating portion for making it possible to mount the entrance/exit portion to the radiographic image reading device when obverse and reverse surfaces of the flexible accommodating body are oriented in a predetermined way.

### Claim 10 (depends on 3)

The cassette of claim 3 comprising regulating portion for making it possible to mount the entrance/exit portion to the radiographic image reading device when obverse and reverse surfaces of the flexible accommodating body are oriented in a predetermined way.

### Claim 11 (depends on 1)

The cassette of claim 1, wherein an identifying/indicating portion that identifies an obverse surface or a reverse surface of the flexible accommodating body is provided.

### Claim 12 (depends on 2)

The cassette of claim 2, wherein an identifying/indicating portion that identifies an obverse surface or a reverse surface of the flexible accommodating body is provided.

### Claim 13 (depends on 3)

The cassette of claim 3, wherein an identifying/indicating portion that identifies an obverse surface or a reverse surface of the flexible accommodating body is provided.

### Claim 14 (depends on 1)

The cassette of claim 1, wherein a lead sheet is provided so as to face an obverse surface or a reverse surface of the accumulative fluorescent sheet that is accommodated in the flexible accommodating body.

### Claim 15 (depends on 2)

The cassette of claim 2, wherein a lead sheet is provided so as to face an obverse surface or a reverse surface of the accumulative fluorescent sheet that is accommodated in the flexible accommodating body.

### Claim 16 (depends on 3)

The cassette of claim 3, wherein a lead sheet is provided so as to face an obverse surface or a reverse surface of the accumulative fluorescent sheet that is accommodated in the flexible accommodating body.

### Claim 17 (depends on 14)

The cassette of claim 14, further comprising a pair of magnetic plates,
wherein the accumulative fluorescent sheet and the lead sheet are disposed between the pair of magnetic plates, and
wherein the pair of magnetic plates urge the lead sheet toward the accumulative fluorescent sheet by being attracted to one another by magnetic force.

### Claim 18 (depends on 15)

The cassette of claim 15, further comprising a pair of magnetic plates,
wherein the accumulative fluorescent sheet and the lead sheet are disposed between the pair of magnetic plates, and
wherein the pair of magnetic plates urge the lead sheet toward the accumulative fluorescent sheet by being attracted to one another by magnetic force.

### Claim 19 (depends on 14)

The cassette of claim 14, wherein the lead sheet has a plastic sheet and a lead layer that is formed on a top surface of the plastic sheet.

### Claim 20 (depends on 17)

The cassette of claim 17, wherein the lead sheet has a plastic sheet and a lead layer that is formed on a top surface of the plastic sheet.
