WO2001095324A1 - Media storage library provided with import/export element with selector nut and bevel gear for the rotation of a media - Google Patents
Media storage library provided with import/export element with selector nut and bevel gear for the rotation of a media Download PDFInfo
- Publication number
- WO2001095324A1 WO2001095324A1 PCT/US2001/040637 US0140637W WO0195324A1 WO 2001095324 A1 WO2001095324 A1 WO 2001095324A1 US 0140637 W US0140637 W US 0140637W WO 0195324 A1 WO0195324 A1 WO 0195324A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- point
- media
- cartridge holder
- import
- rail
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/225—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records wherein the disks are transferred from a fixed magazine to a fixed playing unit using a moving carriage
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
- G11B15/68—Automatic cassette changing arrangements; automatic tape changing arrangements
- G11B15/682—Automatic cassette changing arrangements; automatic tape changing arrangements with fixed magazines having fixed cassette storage cells, e.g. in racks
- G11B15/6835—Automatic cassette changing arrangements; automatic tape changing arrangements with fixed magazines having fixed cassette storage cells, e.g. in racks the cassettes being transferred to a fixed recorder or player using a moving carriage
Definitions
- Storage media library systems are devices which contain multiple storage media drives and many pieces of storage media to accommodate installations requiring access to large numbers of storage media, such as optical discs, compact discs and tape cartridges.
- a typical storage media library is generally shown in the references as reference numeral 10.
- the media storage elements 40 hold the storage media when the storage media are not being read or written to.
- the storage media can be any media which can be used to record information, such as data or graphics.
- the recording means may be magnetic, optical, or any other equivalent recording means known in the storage media art.
- the storage media are compact discs (CDs) or tapes.
- the storage media are housed in cartridges C. Each cartridge C has a pair of slots S at one end which are used by the robotics of the data storage library for moving the cartridge C from location to location within the data storage library.
- the data transfer elements 50 are compact disc drives (CD drives) or tape drives, but may also be any equivalent device such as an optical disc drive, a floppy disc drive, or a hard drive.
- a media transfer element 70 is movable within the data storage library 10 to move the storage media among media storage elements 40 and data transfer elements 50.
- cartridges C are loaded into the data storage library by the operator by use of an import/export element 80.
- the cartridges C are inserted into the data storage library 10 through an access opening 12 in data storage library housing 14.
- the cartridges are inserted with the slots S facing the operator. Inserting a cartridge with the slots S away from the operator would be unnnatural and annoying for most operators.
- the cartridge C must be rotated 180 degrees so that the slots S are available for gripping by robotics such as the media transport element 70 which typically use “pickers” to grip the cartridge C by the slots S.
- Complications may arise when trying to populate the data storage library 10 with a number of storage media.
- the operator should not be able to gain access directly to the interior of the data storage library.
- the various moving mechanisms within the data storage library can cause severe injury to an operator's hand and fingers.
- the data storage library must know at all times which particular media have been placed into it, and in which of the many media storage elements 40 the media reside. If operators are allowed access to the interior of the data storage library, it becomes impossible for the data storage library to know with assurance the location of each media.
- a data media storage library for storing and accessing storage media, the storage media being contained in cartridges, the data media storage library having a library housing, an access opening in the library housing for inserting cartridges, a storage array within the library housing including a number of storage locations, a plurality of media storage elements adapted to hold the storage media, a plurality of data transfer elements adapted to read and write information on the storage media, and a media transport element within the library housing adapted to move the storage media between the media storage element and the data transfer element, an import/export element comprising:
- a cartridge holder adapted to receive the media cartridge from the access opening
- a principal object and advantage of the present invention is that it rotates the cartridge through 180 degrees at the same time that it translates the cartridge from one point (near the access opening) to a second point (near the media store).
- Another principal object and advantage of the present invention is that it carries out the above function using a single driving motor.
- Another principal object and advantage of the present invention is that involves fewer moving parts than earlier mechanisms.
- Another principle object and advantage of the present invention is that all rotation occurs at a single point along the direction of transmission, thus allowing the designer to specify the point of rotation, avoiding conflicts with other portions of the data storage library.
- FIG. 1 is a perspective view of a data storage library in which the present invention is used, showing a cartridge C being inserted into the data storage library;
- FIG. 2 is a schematic cross-section of the data storage library of Fig. 1, showing internal components in phantom, with some structure cut away to show the import/export element of the present invention
- FIG. 3 is a perspective view of a media cartridge for use with the import/export element of the present invention
- FIG. 4 is a partial plan view of the import/export element of the present invention.
- FIG. 5 is perspective view showing the import/export element positioned at one end of its travel
- FIG. 6 is the same as Fig. 5, with the import/export element positioned at an intermediate point of its travel;
- FIG. 7 is the same as Fig. 6, but showing rotation of the cartridge holder 45 degrees from the position in Fig. 6
- FIG. 8 is the same as Fig. 6, but showing rotation of the cartridge holder 180 degrees from the position in Fig. 6;
- Fig. 9 is the same as Fig. 8, but showing the import/export element at the other end of its travel;
- FIG. 10 is a detailed perspective view of the import/export element, showing internal structure.
- FIG. 11 is a detailed elevational view of the keyed nut of the present invention.
- the import/export element of the present invention is generally shown in the Figures as reference numeral 110.
- the import/export element 110 further comprises a cartridge holder 112 adapted to receive the media cartridge C from the access opening 12.
- the cartridge C is inserted into the cartridge holder 112 with the slots S protruding from the cartridge holder 112.
- the import/export element 110 also comprises a means 114 for linearly translating the cartridge holder 112 between a first point A and a second point B.
- the import/export element 110 also comprises a means for preventing rotation of said cartridge holder between said first point A and an intermediate point C located between said first point A and said second point B.
- the import/export element 110 also comprises a means for allowing rotation of said cartridge holder at said intermediate point C.
- the import/export element 110 further comprises a means 116 for rotating the cartridge holder 112 180 degrees at the intermediate point C.
- the import/export element 110 also comprises a means for preventing rotation of said cartridge holder between said intermediate point C and said second point B.
- the import/export element 110 also comprises a means 118 for driving linear translating means and the rotating means 116.
- the means 114 for translating the cartridge holder 112 comprises a lead screw 120 mounted in a first direction Dl between the first point A and the second point B.
- the lead screw 120 rotates about a first axis XI parallel to direction Dl.
- the means 114 for translating also comprises a cartridge holder carrier 122 engaging the lead screw 120 and connected to the cartridge holder 112 for translation of the cartridge holder 112 along the first axis XI .
- the cartridge holder carrier 122 is preferably connected to a keyed nut 130 by a connector 124. The keyed nut 130 is described below.
- the means for preventing rotation of said cartridge holder between said first point A and said intermediate point B further comprises a keyed nut 130 threadably engaging the lead screw 120.
- the keyed nut 130 has a first slot 132 and a second slot 134.
- the means for preventing rotation also comprises a first rail 136 alternately engaging the first slot 132 and second slot 134 and extending between the first point A and an intermediate point C.
- the means for preventing rotation of said cartridge holder between said intermediate point C and said second point B further comprises said keyed nut 130 and a second rail 138 extending from the intermediate point C to the second point B.
- the second rail 138 alternately engages the first slot 132 and second slot 134 between the intermediate point C and the second point B.
- a horizontal gap 139 between the first rail 136 and the second rail 138.
- a vertical gap 140 separates the first rail 136 from the second rail 138 at intermediate point C.
- the first slot 132 and second slot 134 lie on a second axis X2 which is substantially normal to the first axis XI and is offset from the center 142 of the keyed nut 130 by an offset amount O that is substantially the same as one-half of the vertical gap 140.
- the horizontal gap 139 is substantially the same as one-half of the pitch of the lead screw 120.
- the means for rotating further preferably comprises a first bevel gear 144 fastened to the keyed nut 130, and a second bevel gear 146 meshing with the first bevel gear 144 and attached to a shaft 148, with the shaft 148 connected to the cartridge holder 112.
- the keyed nut 130 in turn rotates the first bevel gear 144, and the first bevel gear 144, meshing with the second bevel gear 146, causes the shaft 148 to turn the cartridge holder 112.
- the keyed nut moves further along the lead screw until the other slot 132, 134 encounters the second rail 138, and the second rail 138 then engages the keyed nut 130 and prevents further rotation. See Fig. 8.
- the slots 132, 134 lie along the second axis X2 which is offset about one-half of the vertical gap 140, the other slot will engage the second rail after the keyed nut 130 rotates about 180 degrees. In order for this to take place, the horizontal gap 139 should be about one-half the pitch of the lead screw 120.
- the various elements of the import/export element 110 may be contained in an import/export element housing 150.
- the import/export element housing 150 further comprises at least one housing rail 152 extending in the first direction Dl, and the cartridge holder carrier 122 slidingly engages the housing rail 152. This will ensure that there is no "play" in the mechanism as it moves along the lead screw 120.
- the means 118 for driving the rotating means 116 may be any source of rotational motion, such as a belt or gear.
- the means 118 for driving comprises an electric motor 160 geared to the lead screw 120 through gears 162.
- the keyed nut 130 and first bevel gear 140 are of integral, one-piece construction.
- they may be molded into a single piece of plastic.
- the operator loads the cartridge C into the cartridge holder 112 as the cartridge holder carrier 112 is at a point nearest the access opening 12 (which may be either point A or point B). As discussed, the operator loads the cartridge C so that the slots S protrude outside the cartridge holder 112.
- the driving means 118 is energized, causing rotation of the lead screw 120 and motion of the cartridge holder carrier 122 towards the media store (which is the other point, A or B).
- the cartridge holder carrier reaches point C, the cartridge holder 112 is rotated 180 degrees so the slots S are facing toward the media store and media transport element 170. Media transport element 170 may then grip the cartridge by the slots S and move it elsewhere in the data storage library 10. To remove a cartridge from the library, the process is reversed.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002412477A CA2412477A1 (en) | 2000-06-07 | 2001-04-30 | Media storage library provided with import/export element with selector nut and bevel gear for the rotation of a media |
EP01931166A EP1287525A1 (en) | 2000-06-07 | 2001-04-30 | Media storage library provided with import/export element with selector nut and bevel gear for the rotation of a media |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/589,481 | 2000-06-07 | ||
US09/589,481 US6532131B1 (en) | 2000-06-07 | 2000-06-07 | Import/export element with selector nut and bevel gear for rotation |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001095324A1 true WO2001095324A1 (en) | 2001-12-13 |
Family
ID=24358196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/040637 WO2001095324A1 (en) | 2000-06-07 | 2001-04-30 | Media storage library provided with import/export element with selector nut and bevel gear for the rotation of a media |
Country Status (4)
Country | Link |
---|---|
US (1) | US6532131B1 (en) |
EP (1) | EP1287525A1 (en) |
CA (1) | CA2412477A1 (en) |
WO (1) | WO2001095324A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6829116B1 (en) * | 2000-11-10 | 2004-12-07 | Quantum Corporation | Automated tape cartridge autoloader/library system |
US6816331B2 (en) | 2000-11-10 | 2004-11-09 | Quantum Corporation | Tape cartridge picker for an automated tape cartridge autoloader/library system |
GB2423625A (en) * | 2005-02-26 | 2006-08-30 | M5 Data Ltd | Library with counter-balanced picker mechanism |
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2000
- 2000-06-07 US US09/589,481 patent/US6532131B1/en not_active Expired - Fee Related
-
2001
- 2001-04-30 CA CA002412477A patent/CA2412477A1/en not_active Abandoned
- 2001-04-30 EP EP01931166A patent/EP1287525A1/en not_active Withdrawn
- 2001-04-30 WO PCT/US2001/040637 patent/WO2001095324A1/en not_active Application Discontinuation
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Non-Patent Citations (1)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 1997, no. 05 30 May 1997 (1997-05-30) * |
Also Published As
Publication number | Publication date |
---|---|
CA2412477A1 (en) | 2001-12-13 |
US6532131B1 (en) | 2003-03-11 |
EP1287525A1 (en) | 2003-03-05 |
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