Source: http://www.google.com/patents/US5411249?dq=%235,519,867
Timestamp: 2016-06-27 09:37:57
Document Index: 135114646

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1']

Patent US5411249 - Currency validator and cassette transport alignment apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn improved modular currency validator and stacker with a removable currency cassette and a removable currency validator and transport unit is described. The cassette and the validator and transport unit are slidably guided into their operating positions using guides in the chassis, and a currency transport...http://www.google.com/patents/US5411249?utm_source=gb-gplus-sharePatent US5411249 - Currency validator and cassette transport alignment apparatusAdvanced Patent SearchPublication numberUS5411249 APublication typeGrantApplication numberUS 08/179,113Publication dateMay 2, 1995Filing dateJan 10, 1994Priority dateJan 10, 1994Fee statusPaidAlso published asDE69511593D1, DE69511593T2, EP0665520A2, EP0665520A3, EP0665520B1Publication number08179113, 179113, US 5411249 A, US 5411249A, US-A-5411249, US5411249 A, US5411249AInventorsJohn Zouzoulas, deceasedOriginal AssigneeMars IncorporatedExport CitationBiBTeX, EndNote, RefManPatent Citations (44), Non-Patent Citations (29), Referenced by (66), Classifications (14), Legal Events (10) External Links: USPTO, USPTO Assignment, EspacenetCurrency validator and cassette transport alignment apparatus
US 5411249 AAbstract
An improved modular currency validator and stacker with a removable currency cassette and a removable currency validator and transport unit is described. The cassette and the validator and transport unit are slidably guided into their operating positions using guides in the chassis, and a currency transport extends from an entry in the validator and transport unit to a prestacking position in the removable cassette. Engagement of a transfer gear in the chassis with gears in the validator and transport unit and the cassette is enhanced by offsetting the gear center lines in a direction perpendicular to the guides, and by enlarging the operating pitch of the gears.
1. An improved currency transport apparatus for use in conjunction with a currency validator and stacker unit having at least one removable subassembly which insures proper component alignment when said removable subassembly is removed and replaced, comprising:a mounting chassis having at least one guide for slidably guiding said removable subassembly to its correct position; means for securing said removable subassembly in its correct position; a first gear mounted in the removable subassembly; and a second gear mounted in the mounting chassis for engaging the first gear when the removable subassembly is guided to its correct position; wherein the first and second gears have offset center lines. 2. The apparatus of claim 1 wherein the removable subassembly is a currency validator and transport unit.
3. The apparatus of claim 2 wherein the offset center lines of the first and second gears are parallel to the guide, and the offset is perpendicular to the guide.
4. The apparatus of claim 3 further comprising a second removable subassembly and at least one other guide for slideably guiding said second removable subassembly to its correct position.
5. The apparatus of claim 4 wherein the second removable subassembly is a currency cassette.
6. The apparatus of claim 5 further comprising a third gear mounted in the currency cassette, wherein center lines of the first and third gears extending parallel to the other guide are offset.
7. The apparatus of claim 6 wherein the third gear drives a belt and pulley arrangement which serves to transport a piece of currency from an input opening of the currency cassette to a prestacking position, but is not otherwise substantially loaded.
8. The apparatus of claim 6 wherein power to drive the first gear is provided by a first motor mounted in the currency validator and transport unit.
9. The apparatus of claim 8 wherein the first and third gears have a given number of teeth with a tooth profile, said first gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
10. The apparatus of claim 1 wherein the first gear has a given number of teeth with a tooth profile, said first gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
11. The apparatus of claim 1 wherein the removable subassembly is a currency cassette.
12. The apparatus of claim 1 wherein the mounting chassis further comprises a leaf spring to further guide and center said removable subassembly.
13. The apparatus of claim 12 wherein the second gear has a given number of teeth with a tooth profile, said gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
14. The apparatus of claim 1 wherein the second gear has a given number of teeth with a tooth profile, said gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
15. The apparatus of claim 1 wherein the outer diameter tooth width is smaller than nominal, for a given number of teeth and nominal operating pitch.
16. The apparatus of claim 1 wherein the root thickness is larger than nominal, for a given number of teeth and nominal operating pitch.
17. The apparatus of claim 1 wherein the offset center lines of the first and second gears are parallel to a direction of replacement of the removable subassembly, and the offset is perpendicular to said direction.
18. A currency validator and stacker comprising:a removable currency validator and transport unit; a removable cassette; and a mounting chassis wherein the improvement comprises a mechanical alignment arrangement, comprising:at least one guide for slidably guiding the currency validator and transport unit into its operating position in the mounting chassis; at least one guide for slidably guiding the removable cassette into its operating position in the mounting chassis; means for securing the currency validator in its operating position; means for securing the removable cassette in its operating position; a currency transport extending from an entry in the currency validator and transport unit to a prestacking position in the removable cassette; said currency transport including a drive motor mounted in the currency validator and transport unit; said currency transport further comprising a first gear mounted in the currency validator and transport unit, a second gear mounted in the mounting chassis, and a third gear mounted in the removable cassette. 19. The currency validator and stacker of claim 18 wherein the first and second gears have offset center lines.
20. The currency validator and stacker of claim 19 wherein the second and third gears have offset center lines.
21. The currency validator and stacker of claim 18 wherein the second and third gears have offset center lines.
22. The currency validator and stacker of claim 18 wherein the first and third gears have a given number of teeth with a tooth profile, said gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
23. The currency validator and stacker of claim 22 wherein the second gear has a given number of teeth with a tooth profile, said gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile.
24. An improved currency transport apparatus for use in conjunction with a currency validator and stacker unit having at least one removable subassembly which insures proper component alignment when said removable subassembly is removed and replaced, comprising:a mounting chassis having at least one guide for slidably guiding said removable subassembly to its correct position; means for securing said removable subassembly in its correct position; a first gear mounted in the removable subassembly having a given number of teeth with a tooth profile, said gear having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile; and a second gear mounted in the mounting chassis for engaging the first gear when the removable subassembly is guided to its correct position; wherein center lines of the first and second gears are offset in a direction perpendicular to the guide. 25. The apparatus of claim 24 wherein the removable subassembly is a currency validator and transport unit.
26. The apparatus of claim 25 further comprising a second removable subassembly.
27. The apparatus of claim 26 wherein the second removable subassembly is a currency cassette.
28. The apparatus of claim 27 further comprising a third gear mounted in the currency cassette, said third gear having a given number of teeth with a tooth profile, said third gear further having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile, wherein center lines of the first and third gears extending parallel to a guide for the currency cassette are offset.
29. The apparatus of claim 28 wherein the third gear drives a belt and pulley arrangement which serves to transport a piece of currency from an input opening of the currency cassette to a prestacking position, but is not otherwise substantially loaded.
30. The apparatus of claim 28 wherein power to drive the first gear is provided by the first motor mounted in the currency validator and transport unit.
31. The apparatus of claim 24 wherein the removable subassembly is a currency cassette.
32. The apparatus of claim 24 wherein the mounting chassis further comprises a leaf spring to further guide and center said removable subassembly.
33. The apparatus of claim 24 wherein the second gear has a given number of teeth with a tooth profile, said second gear further having an operating pitch with a greater radius than that of a nominal operating pitch for said number of teeth and said tooth profile and wherein center lines of the first and second gears extending parallel to a guide for the currency cassette are offset.
The present invention relates generally to improvements in method and apparatus for the validation and secure handling of currency. More particularly, the present invention addresses security concerns which are related to currency validation and handling faced in industries, such as the gaming or vending industries.
In applications where security and accountability are of particular concern, such as the gaming industry and in certain fields of the vending industry, a number of features are particularly desirable. For example, easy front access without the use of tools to clear any currency jams or to clean the unit is desirable to ease service and minimize the downtime of units which may typically be employed in slot machines. Such easy front access is particularly advantageous for slot machines because they are typically arranged side by side and back to back or alternatively are placed side by side with their backs against a wall.
This product provides a lockable removable cassette made out of metal which is riveted or welded in an effort to provide tamper evident security. This existing product, however, has a relatively complex structure which tends to result in higher cost of manufacture and a higher cost of repair.
Further, this product includes an optical source and sensor to detect stacking of currency in the cassette and an electronic connecting plug that must be connected to a utility plug in the currency validation portion of the unit. This sensing arrangement reduces the maximum available width of cassette which can fit within a given outer form factor. This limitation prevents widening the cassette adapted to accept U.S. currency, for example, to accept both U.S. currency and a wider currency such as Canadian currency for example.
Also, a simple, but mechanically robust pushing arrangement is provided. This simple external mechanical pusher drive arrangement is employed so that the lockable removable cassette is externally driven thereby reducing the possibilities of a cassette failure or malfunction requiring repair. In addition, a faster accept cycle may be achieved.
FIG. 4 is a perspective drawing of the bill validator and transport unit of FIGS. 1 and 2;
FIG. 5 is a perspective drawing of the lockable removable cassette of FIGS. 1 and 2;
FIG. 6 is a perspective drawing illustrating a box within a box construction for the cassette according to the present invention;
FIG. 14 is a second side view of the apparatus of FIG. 1 absent the actuating fork which illustrates the position of the interrupt arm in the cassette present position;
The cassette 200 is also preferably designed to be removed by an authorized person without tools from the front of the unit 10, and upon its removal, no ready access to validation or other electronics is provided. Cassette 200 is inserted into the mounting chassis 300 by positioning a guide pin 202 on a spring biased release lever 317. The release lever 317 extends out of the chassis 300, as shown in FIG. 1. Leaf springs 307 provide both tension and centering while the cassette 200 is pushed into the chassis 300. As the cassette 200 is guided into chassis 300, it forces the release lever 317 down until the guide pin 202 engages a stop position 318 on the release lever 317. The spring 319 shown in a cutaway view 326 through the side wall of the chassis 300 exerts a return force on the release lever 317 causing a positive audible snap when correctly positioned. The stop position 318 includes a biasing angle 331 to maintain force against the pin 202 to compensate for manufacturing tolerances. The rear of the cassette 200, not shown, has slots which mate with horizontal positioning tabs 332 and vertical positioning tabs 333 located on a rear wall of the mounting chassis 300.
To remove the cassette 200 from the mounting chassis 300, the portion of the release lever 317 which extends out of the chassis, as shown in FIG. 1, is pressed in a downward direction to overcome the force of the spring 319 while the cassette is withdrawn using handle 206.
FIG. 4 is a perspective drawing of the currency validator and transport unit 100 of FIGS. 1 and 2, and it illustrates the unit 100 in greater detail. In particular, FIG. 4 illustrates the hinging of the unit 100 for easy maintenance.
Currency travels through unit 100 along a currency transport or bill path 103. As shown in FIG. 4, the currency transport path 103 is readily accessible for cleaning the maintenance.
The currency transport path 103 is formed by three subassemblies. A transport base 125 forms the bottom portion of the currency transport path 103. The top portion is formed by a recognition assembly 126 and a guide assembly 127. FIG. 4 shows both the recognition assembly 126 and the guide assembly 127 in their open or bill path accessible position. The recognition assembly 126 is pivotally mounted to the side plates 108 and 109 on a pivot rod 138. Similarly, the guide assembly 127 is pivotally mounted to the side plates 108 and 109 on a pivot 139.
The guide assembly 127 has a forward profile 144 which when in the normal or closed position, not shown, is held captive by the closed recognition assembly 126. The recognition assembly 126 is held closed by capture screws or spring clips, not shown. To close the unit 100, the guide assembly 127 is first rotated toward the transport base 125 about the pivot 139. The recognition assembly 126 is then rotated toward the transport base 125 about pivot 138 thereby capturing and locking in place the guide assembly. The recognition assembly 126 is then fastened in place with the capture screws or spring clips.
FIG. 6 illustrates the presently preferred construction of cassette 200. The outer frame 205 is substantially a shell or box inclusive of the handle 206 and locks 207 and 208. Within this shell is an inner assembly or box 204. The components of the cassette 200 are primarily housed in the inner assembly 204 which, because it is protected by outer frame 205, may be designed for ease of manufacture. With the exception of the lid 210 and its hinging and mounting, such as mounting surfaces 213, the inner assembly 204 can contain all or mostly plastic as the material of choice is not constrained by the need for security. The outer frame 205 provides the security and inaccessibility to the bills to be housed therein. The inner assembly 204 is inserted into the outer frame 205 as illustrated, from the top. Access to the mounting surfaces 213 and the inside of inner assembly 204 is only available when the lid 210 is unlocked.
To remove the inner assembly 204, the locks 207 and 208 are unlocked. Then, the locks 207 and 208 are removed from the outer frame 205 by unscrewing them. The lid 210 is opened providing access to the mounting surfaces 213. The connection mechanisms, such as threaded screws (not shown) for connecting the mounting surfaces 213 to matching surfaces 213a of the outer frame 205 are removed. Finally, the inner assembly 204 can be slid out of the outer frame 205.
As best seen in FIG. 7, the overall operation of the unit 10 with respect to currency transport will typically proceed as follows, a customer will insert a genuine piece of currency, such as a U.S. dollar bill, into an insert slot 101, and the currency will be transported along the currency transport path 103. As the currency is transported, it will be checked for authenticity or validity. If recognized as valid and to be accepted by a host controller, the currency will be further driven to a prestacking position 201 in the cassette 200. In its pre-stacked position 201, the piece of currency is held between rollers 219 and spherical balls 223. On one side (the right-hand side as seen in FIG. 7) of the currency there is a pusher or slider plate 217 (shown in FIG. 13). On the other side (the left-hand side) of the pre-stacked currency is a window 224 (shown in FIG. 6), through which the bill can be pushed. The currency will then be pushed in the direction of arrow 203 into the cassette 200. Beyond the window 224, a spring 216 holds the currency in a stacked position and serves to appropriately bias a back or pressure plate 218. The currency will then be securely stored in the stacked position until removed by authorized personnel.
Alternate embodiments of the drive belts and rollers are shown in FIGS. 8 and 9. In FIG. 9, the serpentine arrangement of the tractor belts as shown in FIG. 7 is eliminated. This FIG. 8 arrangement provides for continuous belt contact of the currency through the validator and transport unit 100. In this configuration, a single support roller 175 is sufficient. Belt tension would still be maintained by a spring (not shown) biased roller 164. This arrangement is particularly advantageous in cases where the transport base 125 does not require a molded plastic surface, or the length of bill travel is such as to cause no compromise to the structural integrity of the base 125 with large openings 128.
Driving roller 163 is attached to and includes a driving gear portion as shown in FIGS. 10 and 11, to be discussed further below. The roller portion of 163 drives secondary belts 136. The secondary belts 136 in turn drive rollers 171 and 172. Tension on the secondary belts 136 is provided by roller 173, which is spring (not shown) biased.
Referring to FIG. 10, the drive gear attached to driving roller 163 drives an interface gear 142 which is a compound gear. The second part of this compound gear meshes with a transfer gear 301 mounted in the chassis 300. This transfer gear 301 meshes with the gear 214 in the cassette 200. The gear 214 drives the belts 229 which in turn drive rollers 219 and 231. Belts 229 are held in tension by spherical ball rollers 223 which are spring (not shown) biased.
FIGS. 10 and 11 illustrate the engagement of the gears between the transport unit 100 and the chassis 300 as well as between the cassette 200 and the chassis 300. FIG. 10 illustrates the relationship between the interface gear 142 in the transport unit 100 and the transfer gear 301 in the chassis 300. Additionally, the relationship between the gear 214 in the cassette 200 and the transfer gear 301 is shown. In normal operation, the driving roller/gear assembly 163 is driven by tractor belts 116 in a clockwise direction. This gear drives the compound interface gear 142 in a counterclockwise direction. The second portion of compound interface gear 142, shown as having the larger diameter, drives the transfer gear 301 in chassis 300 in a clockwise direction. This transfer gear 301 in turn drives the gear 214 in the cassette 200 in a counterclockwise direction. Currency is therefore consistently being driven in the forward direction. When operating in the reverse direction, all the belts and gears are moving in directions opposite that described above.
FIG. 11 illustrates the relationship between the drive components in each of the three major subassemblies 100, 200 and 300 before they are engaged. The engaging gear 142 in the transport unit 100 and the engaging gear 214 in the cassette 200 are identical. The method of engagement of each of these to the fixed transfer gear 301 in the chassis 300 is also identical. The self aligning nature of the gear engagement between the slidably mounted components of the transport unit 100 and the cassette 200, are best understood by referring to FIG. 12, which illustrates a suitable tooth 235 common to the engaging gears 142 and 214.
In the preferred embodiment, an oversized operating pitch 247 is used. In this case the operating area of the gear tooth 235 would be bound by position 245 on the inner surface of the tooth and by position 246 on the outer surface of the tooth 235. The depth of the tooth or inside diameter 249 is again set to ensure clearance to position 245. When using the oversized pitch 247, the inner diameter 249 results in a width shown in FIG. 12 as "C". The outer diameter 246 width of tooth 235 is shown as "B".
Comparing the critical dimensions when using the oversized operating pitch 247 relative to the normal operating pitch 241, two key advantages are gained. The gear tooth 235 has a larger root thickness, shown as the difference between "C" and "D". The increased root thickness provides greater tooth strength. The outer diameter tooth width is smaller, shown as the difference between "A" and "B". It is this width that is critical to minimizing the potential interference when engaging with the mating transfer gear 301.
The interrupt arm 305 is pivotally mounted about the same pivot 311 as the actuating fork 303 and is spring biased relative to the actuating fork 303 by spring 312 as shown. As shown in FIGS. 14 and 15, a first end 320 of the interrupt arm 305 passes through a second opening 222 in the outer and inner boxes of the cassette 200. A second end 321 of the interrupt arm 305, which is behind the actuating fork 303 of FIG. 13, is positioned adjacent a cassette home or present switch 107 when the interrupt arm 305 is in a home position, as best illustrated in FIG. 14. The first end 320 and the second end 321 of the interrupt arm 305 are connected by a cross-piece 306. The first end 320, second end 321 and cross-piece 306 are preferably molded in one piece. Returning to FIG. 13, as the actuating fork 303 pushes the pusher plate 217, the spring 312 pushes on the portion of the interrupt arm 305 below the cross-piece 306, causing the interrupt arm 305 to rotate about the pivot point 311. As a result, the first end 320 of the interrupt arm 305 protrudes through the second opening 222 and the second end 321 of interrupt arm 305 moves away from the cassette home or present switch 107, as best seen in FIG. 16, allowing the validator and transport unit 100 to sense each time the pusher plate 217 operates to stack a piece of currency into cassette 200.
Similarly, when the cassette 200 is removed from the mounting chassis 300, the pressure of the pusher plate 217 upon first end 320 is removed, the spring 318 causes the interrupt arm 305 to rotate clockwise about pivot point 311, and the second end 321 again moves away from the cassette home or present switch 107, as shown in FIG. 16. The unit 100 can thereby sense each time the cassette 200 is removed. Similarly, each time the cassette 200 is placed in the chassis 300 it can be sensed. No electrical or electronic components are required in the cassette 200 to do this sensing. Similarly no electrical or electronic interconnections between the cassette 200 and the unit 100 are required.
Then, as cam 154 returns to its home position, as in FIG. 13, the force of the spring 312 causes the fork 303 to quickly return to its home position. The home position of the fork 303 may be sensed by sensing the position of cam 154 in a known fashion. For example, a magnet 335 can be embedded in the cam surface 156 and a Hall effect sensor (not shown) can be mounted on a printed circuit board (PCB) 148 in the bill validation and transport unit 100 to sense the proximity of the magnet, as described in column 7 of U.S. Pat. No. 4,722,519. U.S. Pat. No. 4,722,519 is assigned to the assignee of the present invention and is incorporated by reference herein. Another way of sensing the home position of cam 154 is taught in FIG. 9 and the associated text of U.S. Pat. No. 4,765,607, also assigned to the assignee of the present invention and incorporated by reference herein. The combination of the information as to the position of the cam 154 and the position of the second end 321 of the interrupt arm 305 allows the ready determination of the presence or absence of cassette 200 as well as the detection and counting of each stacking operation by control electronics, such as a microprocessor.
In FIG. 15, both the interrupt arm 305 and the actuating fork 303 are in their away position. The interrupt arm 305 will reach its away position sooner than the actuating fork 303. As the actuating fork 303 continues to push the pusher plate 217, the spring between the interrupt arm 305 and actuator fork 303 compresses. Any attempt to cheat the unit by blocking the interrupt arm 305 without using a cassette, will result in easy detection. Firstly, the actuator fork 303 will be prevented from moving to its fully away position by the interrupt arm 305. The motor 150 which drives the actuator fork 303 will be prevented from doing so, and will stall. This stalling will be detected by the control electronics when the motor fails to complete a cycle in the expected time. Secondly, the expected cycling of the interrupt arm 305 would not follow the expected timing which would normally cause a presence switch 107 which is mounted on the printed circuit board 148 to sense the absence of the second end 321 of the interrupt arm 305. The control electronics would disable currency acceptance in a known fashion if this improper cycling is detected.
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Ltd.Apparatus for discriminating valuable papers with centering meansWO2007147607A2 *Jun 21, 2007Dec 27, 2007Giesecke & Devrient GmbhProcessing device for value documentsWO2007147607A3 *Jun 21, 2007Feb 14, 2008Giesecke & Devrient GmbhProcessing device for value documents* Cited by examinerClassifications U.S. Classification271/181, 271/207International ClassificationB65H29/38, G07D9/00, G07F7/04Cooperative ClassificationG07F7/04, B65H29/38, B65H29/46, G07F19/202, B65H2301/42146European ClassificationB65H29/46, G07F19/202, B65H29/38, G07F7/04Legal EventsDateCodeEventDescriptionMar 13, 1995ASAssignmentOwner name: MARS INCORPORATED, VIRGINIAFree format text: CORRECTIVE ASSIGNMENT - TO CORRECT SERIAL NUMBER PREVIOUSLY RECORDED ON REEL 7214 FRAME 587-;ASSIGNOR:ZOUZOULAS, HELEN;REEL/FRAME:007357/0559Effective date: 19941020Oct 26, 1998FPAYFee paymentYear of fee payment: 4Oct 4, 2002FPAYFee paymentYear of fee payment: 8Jun 20, 2006ASAssignmentOwner name: CITIBANK, N.A., TOKYO BRANCH, JAPANFree format text: SECURITY AGREEMENT;ASSIGNOR:MEI, INC.;REEL/FRAME:017811/0716Effective date: 20060619Owner name: CITIBANK, N.A., TOKYO BRANCH,JAPANFree format text: SECURITY AGREEMENT;ASSIGNOR:MEI, INC.;REEL/FRAME:017811/0716Effective date: 20060619Jul 6, 2006ASAssignmentOwner name: MEI, INC., PENNSYLVANIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARS, INCORPORATED;REEL/FRAME:017882/0715Effective date: 20060619Owner name: MEI, INC.,PENNSYLVANIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARS, INCORPORATED;REEL/FRAME:017882/0715Effective date: 20060619Oct 6, 2006FPAYFee paymentYear of fee payment: 12Aug 16, 2007ASAssignmentOwner name: CITIBANK JAPAN LTD., JAPANFree format text: CHANGE OF SECURITY AGENT;ASSIGNOR:CITIBANK, N.A.., TOKYO BRANCH;REEL/FRAME:019699/0342Effective date: 20070701Owner name: CITIBANK JAPAN LTD.,JAPANFree format text: CHANGE OF SECURITY AGENT;ASSIGNOR:CITIBANK, N.A.., TOKYO BRANCH;REEL/FRAME:019699/0342Effective date: 20070701Aug 23, 2013ASAssignmentOwner name: MEI, INC., PENNSYLVANIAFree format text: RELEASE BY SECURED PARTY;ASSIGNOR:CITIBANK JAPAN LTD.;REEL/FRAME:031074/0602Effective date: 20130823Aug 27, 2013ASAssignmentOwner name: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT, NEW YFree format text: SECURITY AGREEMENT;ASSIGNOR:MEI, INC.;REEL/FRAME:031095/0513Effective date: 20130822Dec 11, 2013ASAssignmentOwner name: MEI, INC., PENNSYLVANIAFree format text: RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY COLLATERAL RECORDED AT REEL/FRAME 031095/0513;ASSIGNOR:GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT;REEL/FRAME:031796/0123Effective date: 20131211RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services