WO2007015890A1 - Multi-piece plug assembly for a cylinder lock - Google Patents
Multi-piece plug assembly for a cylinder lock Download PDFInfo
- Publication number
- WO2007015890A1 WO2007015890A1 PCT/US2006/027945 US2006027945W WO2007015890A1 WO 2007015890 A1 WO2007015890 A1 WO 2007015890A1 US 2006027945 W US2006027945 W US 2006027945W WO 2007015890 A1 WO2007015890 A1 WO 2007015890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plug
- insert
- assembly
- recited
- lock cylinder
- Prior art date
Links
- 238000005266 casting Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 1
- 238000003754 machining Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/04—Casings of cylinder locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
- E05B27/0007—Rotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
- E05B27/0014—Stators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49885—Assembling or joining with coating before or during assembling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7588—Rotary plug
- Y10T70/7593—Sliding tumblers
- Y10T70/7599—Transverse of plug
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7638—Cylinder and plug assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7667—Operating elements, parts and adjuncts
- Y10T70/7684—Plug
Definitions
- the present invention relates to a lock assembly, and more particularly to an inexpensively manufactured multi-piece plug assembly.
- Some door locksets include a cylinder lock which is typically located in the door operator, such as a knob, or within a guard collar of a deadlock.
- a cylinder lock includes a cylinder body which is formed with a cylindrical opening for receipt of a cylindrically shaped plug for rotation therein.
- the cylinder body and plug are each formed with a plurality of alignable pin chambers which receive and support sets of spring-biased tumbler pin sets. Normally, various pins overlap a juncture line between adjacent facing surfaces of the cylinder body and the plug to prevent the plug from rotating relative to the cylinder body.
- the plug is formed with a key slot which communicates with the pin chambers so that portions of the tumbler pins extend into the key slot.
- bits on the key adjust the position of the tumbler pins so that upper driver pins and lower pins of the pin sets within each pin chamber are moved to locate the interface between the lower pins and the driver pins at the shear line.
- the shear line is then clear and the plug can be rotated within the opening of the cylindrical body to permit rotation of a driving member and subsequent activation of the lock.
- the plug may be relatively difficult to manufacture due to the exacting tolerances of the multitude of pin chambers and the keyway which is formed therein.
- the plug is cast as a cylinder with the keyway formed therein. Then, the multiple of pin chambers are machined into the plug as a secondary operation. Although effective, this manufacturing process is relatively expensive due to the secondary machine operations.
- a cylinder lock assembly includes a cylinder body and a plug assembly which is manufactured in a multiple of pieces.
- the plug assembly include a plug body and a plug insert mountable to the plug body.
- the plug body and plug insert are manufactured as metallic cast components.
- the plug body defines a plug insert opening to receive the plug insert from a direction generally transverse to a longitudinal axis.
- the plug insert opening is generally L- shaped in cross-section to receive the plug insert which is correspondingly shaped.
- the plug insert includes a plug outer portion which defines an arcuate outer surface which corresponds with the outer circumference of the plug body when the plug insert is mounted therein.
- a plug pin chamber portion extends generally transverse to the plug outer portion to define a multiple of tumbler pin chambers in their entirety. The multiple of tumbler pin chambers intersect a plug keyway portion cast within the plug pin chamber portion along the longitudinal axis.
- the plug insert is shaped to facilitate casting as a single component.
- Applicant has cast plug inserts which do not require secondary machining operations, yet provide tumbler pin chambers to tolerances which are tighter than those having heretofore machined chambers.
- Such secondary operation avoidance significantly facilitates inexpensive manufacture as each of the plug body and the plug insert need only be cast in a single operation.
- casting minimizes the requirements for proper indexing of machining fixtures which still further reduces manufacturing expense through yield loss decrease.
- the present invention therefore provides a cylinder lock plug which may be manufactured in an economical manner yet maintain the exacting tolerances required for effective operation.
- Figure IA is an exploded perspective view of a lock assembly for use with the present invention.
- Figure IB is a sectional view of the lock assembly of Figure IA taken along the longitudinal axis;
- Figure 2A is an exploded perspective view of a plug assembly according to the present invention.
- Figure 2B is a sectional view of the plug assembly of Figure 2A taken along line 2b-2B in Figure 2A;
- Figure 2C is a perspective bottom view of a plug insert of the plug assembly of Figure
- Figure 3 is a front perspective view of a lock assembly with the plug assembly of the preset invention installed into a lock cylinder;
- Figure 4 is a rear perspective view of an assembled plug assembly according to the present invention.
- FIG. IA illustrates a general exploded perspective view of a cylinder lock 10.
- the cylinder lock 10 generally includes a cylinder body 12 and a plug assembly 14.
- the plug assembly 14 is preferably manufactured in two pieces which include a plug body 16A and a plug insert 16B which is mountable within the plug body 16 A.
- the body 12 and the plug assembly 14 are preferably manufactured as metallic cast components. It should be understood that although a particular component arrangement is disclosed in the illustrated embodiment, other arrangements will benefit from the instant invention.
- the plug assembly 14 is inserted into a cylindrical opening 17 of the cylinder body 12 so that each of a multiple of plug tumbler pin chambers 18 within the plug assembly 14 are aligned with a respective multiple of body tumbler pin chambers 20 within the cylinder body 12 ( Figure IB).
- a pin set 21 including a bottom pin 22, a top pin 24 and a spring 26 are positioned within each of the aligned chambers 18, 20.
- a cover 28 is positioned over the chambers 20 to retain the pin sets 21 therein.
- a clip 30 is engaged with an inward segment 32 of the plug assembly 14 to rotationally retain the plug assembly 14 within the cylinder body 12 ( Figure IB).
- An actuating member 34 is located adjacent or within the inward segment 32 of the plug to engage a latch actuating assembly (not shown) and subsequent retraction or extension of a bolt or latch to activate the lock in a conventional manner which need not be described in detail herein.
- the plug assembly 14 defines a keyway 36 along a longitudinal axis A of the plug assembly 14 to permit insertion of a key which aligns the pin sets 21 relative a shear line such that the plug assembly 14 can be rotated relative the cylinder body 12 to actuate the lock. Operation of the key to pin arrangement may take various conventional forms and need not be described in detail herein.
- the plug body 16A includes a plug insert opening 38 to receive the plug insert 16B from a direction generally transverse to the longitudinal axis A.
- the plug insert opening 38 is formed between a plug body outward segment 40 and the inward segment 32.
- the plug body outward segment 40 defines a keyway opening 42 ( Figure 3) which directs a key into the plug body keyway portion 36 A.
- the plug body keyway portion 36A connects the keyway opening 42 in the plug body outward segment 40 with the plug insert opening 38.
- the plug insert opening 38 is generally L- shaped in cross-section (Figure 2B) to receive the plug insert 16B which is correspondingly shaped.
- the plug body 16A does not include separate plug chambers and is of a relatively uncomplicated tubular shape which readily facilitates molding in a single operation.
- the plug insert 16B includes a plug outer portion 44 which defines an arcuate outer surface 45 which corresponds with the outer circumference 46 of the plug body 16A when the plug insert 16B is mounted therein ( Figure 4). That is, the outer surface 45 of the plug insert 16B completes the outer cylindrical surface of the plug body 16 A.
- the arcuate outer surface 45 includes the outermost openings 18a of the tumbler pin chambers 18 to interface with and receive the pins sets 21 ( Figure IA) from the body tumbler pin chambers 20 within the plug cylinder 14.
- the arcuate outer surface 45 may include pattern key "PK" ball receiving pockets 47 adjacent the outermost openings 18a to receive the PK balls as generally understood.
- the PK pockets 47 are preferably located in a segment of the plug outer portion 44 which extends in a cantilever manner from a plug pin chamber portion 48. That is, the multiple of tumbler pin chambers 18 extend through the arcuate outer surface 45 of the plug outer portion 44 and through the plug pin chamber portion 48 while the PK pockets are recesses in the plug outer portion 44 but do not extend through the plug outer portion 44 or into plug pin chamber portion 48.
- the plug pin chamber portion 48 Generally transverse to the outer plug portion 44, is the plug pin chamber portion 48 such that the plug insert 16B is of a generally "L" shape which corresponds with the plug insert opening 38 ( Figure 2B).
- the plug pin chamber portion 48 is the long leg of the "L” shape while the plug outer portion 44 includes the arcuate outer surface 45 and forms the short leg of the "L” shape.
- the plug pin chamber portion 48 defines the multiple of tumbler pin chambers 18 in their entirety. That is, the entire bore of each tumbler pin chamber portions 48 is located in the plug insert 16B.
- the plug pin chamber portion 48 extends along the longitudinal axis A.
- the multiple of tumbler pin chambers 18 each includes a tumbler pin chamber axis T that is transverse to and intersects the longitudinal axis A (also illustrated in Figure IB).
- the multiple of tumbler pin chambers 18 intersect the plug keyway portion 36B formed within the plug pin chamber portion 48 along the longitudinal axis A.
- the keyway portion 36B is preferably open along the longitudinal length of the plug pin chamber portion 48 on a bottom side 50 thereof to form a general U-shaped slot with the tumbler pin chambers 18 formed at intervals there along (Figure 2C).
- the open bottom side 50 of the plug pin chamber 48 aligns with a slot 36s formed in the plug body 16A when the plug insert 16B is located therein.
- the slot 36S preferably forms another portion of the keyway.
- the plug insert 16B preferably defines the multiple of tumbler pin chambers 18 and the plug keyway portion 36B in an arrangement which facilitates casting as a single component.
- Applicant has cast plug inserts 16B which do not require secondary machining operations, yet provide tumbler pin chambers 18 to dimensional tolerances which are tighter than those with heretofore machined chambers. Such secondary operation avoidance significantly facilitates inexpensive manufacture as each of the plug body 16A and the plug insert 16B need only be cast in a single operation.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0613931-0A BRPI0613931A2 (en) | 2005-07-26 | 2006-07-19 | multi-piece bolt assembly for a cylinder lock |
AU2006276142A AU2006276142A1 (en) | 2005-07-26 | 2006-07-19 | Multi-piece plug assembly for a cylinder lock |
CA 2616520 CA2616520A1 (en) | 2005-07-26 | 2006-07-19 | Multi-piece plug assembly for a cylinder lock |
CN2006800318164A CN101253300B (en) | 2005-07-26 | 2006-07-19 | Multi-piece plug assembly for a cylinder lock |
MX2008001209A MX2008001209A (en) | 2005-07-26 | 2006-07-19 | Multi-piece plug assembly for a cylinder lock. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/189,672 | 2005-07-26 | ||
US11/189,672 US7762111B2 (en) | 2005-07-26 | 2005-07-26 | Multi-piece plug assembly for a cylinder lock |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007015890A1 true WO2007015890A1 (en) | 2007-02-08 |
Family
ID=37692817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/027945 WO2007015890A1 (en) | 2005-07-26 | 2006-07-19 | Multi-piece plug assembly for a cylinder lock |
Country Status (7)
Country | Link |
---|---|
US (3) | US7762111B2 (en) |
CN (2) | CN102733657B (en) |
AU (1) | AU2006276142A1 (en) |
BR (1) | BRPI0613931A2 (en) |
CA (1) | CA2616520A1 (en) |
MX (1) | MX2008001209A (en) |
WO (1) | WO2007015890A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7762111B2 (en) * | 2005-07-26 | 2010-07-27 | Newfrey Llc | Multi-piece plug assembly for a cylinder lock |
US9273487B2 (en) | 2006-12-21 | 2016-03-01 | United States Postal Service | High-strength lock, method of making high-strength lock, and method for mounting high-strength lock |
TWM371150U (en) * | 2009-05-27 | 2009-12-21 | zheng-ru Yang | Improved spindle for disc-tumbler lock cylinder |
US9027373B2 (en) | 2012-08-09 | 2015-05-12 | Schlage Lock Company Llc | Hybrid lock cylinder |
EP2882913B1 (en) | 2012-08-09 | 2019-04-24 | Schlage Lock Company LLC | Disc alignment mechanism |
USD765490S1 (en) * | 2014-10-29 | 2016-09-06 | Rav Bariach (08) Industries Ltd. | Key blade pins configuration |
GB201505821D0 (en) * | 2015-04-03 | 2015-05-20 | Squire Henry & Sons | A locking device |
USD770880S1 (en) * | 2015-06-03 | 2016-11-08 | Bullseye SD Locks LLC | Cylinder lock plug |
CN110226015B (en) | 2016-10-28 | 2021-02-05 | 品谱股份有限公司 | Housing for removable lock cylinder |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US234630A (en) * | 1880-11-16 | Lock-cylinder | ||
US3429154A (en) * | 1966-10-18 | 1969-02-25 | Taylor Lock Co | Lock plug |
US4472953A (en) * | 1983-02-01 | 1984-09-25 | Emhart Industries Inc. | Pin-type lock with axial split cylinder and/or plug |
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US398912A (en) * | 1889-03-05 | Method of manufacturing screws and bolts by electricity | ||
US3402582A (en) * | 1966-02-07 | 1968-09-24 | Briggs & Stratton Corp | Cylinder lock with improved retainer |
SE395500B (en) * | 1973-10-25 | 1977-08-15 | Boving Egon | OF A PERMANENT MAGNETIC KEY PAVED WORK CYLINDER LASTER |
US3988912A (en) * | 1976-03-10 | 1976-11-02 | Wilmot-Breeden Ltd. | Locking devices |
HU174718B (en) * | 1977-12-17 | 1980-03-28 | Elzett Muevek | Cylinder lock which may be actuated by magnetic bodies |
ZA801399B (en) * | 1979-03-16 | 1981-03-25 | Chubb Lock & Safe Ltd | Cylinder locks |
GB2116244B (en) * | 1982-03-06 | 1985-08-14 | Lowe & Fletcher Ltd | Lock |
US4712400A (en) * | 1983-05-04 | 1987-12-15 | Chicago Lock Company | Removable cylinder lock |
US4761978A (en) | 1985-08-15 | 1988-08-09 | Timberline Supply Ltd. | Lock with key operated removable plug |
US4914932A (en) | 1985-08-15 | 1990-04-10 | Timberline Supply Ltd. | Lock with key operated removable plug |
US4995249A (en) * | 1989-10-23 | 1991-02-26 | Best Lock Corporation | Door handle assembly with hollow knob and interchangeable lock core |
TW223673B (en) * | 1992-08-13 | 1994-05-11 | Emhart Inc | |
US5626041A (en) * | 1995-05-17 | 1997-05-06 | Zaccaria; James M. | Lock cylinder replacement device and method of replacing lock cylinder with lock cylinder replacement device |
JP3184931B2 (en) | 1997-11-17 | 2001-07-09 | 中東産業株式会社 | Cylinder lock |
SE517577C2 (en) * | 1999-01-22 | 2002-06-18 | Winloc Ag | Lock with detachable lock cylinder and cylinder lock housing and lock cylinder for use in such lock |
US6959569B2 (en) * | 2002-09-26 | 2005-11-01 | Newfrey Llc | Re-keyable lock assembly |
US6666057B1 (en) * | 2003-01-21 | 2003-12-23 | Chiu-Mei Huang | Lock with a fixable key |
BRPI0408088B1 (en) * | 2003-03-04 | 2015-07-07 | Kwikset Corp | Lock drum that may have new secret and method of keying a lock drum |
US20050103066A1 (en) * | 2003-11-18 | 2005-05-19 | Botha Andries J.M. | Multi-point lock |
US7007528B2 (en) * | 2004-04-01 | 2006-03-07 | Newfrey Llc | Re-keyable lock cylinder |
US7762111B2 (en) * | 2005-07-26 | 2010-07-27 | Newfrey Llc | Multi-piece plug assembly for a cylinder lock |
TW200842231A (en) * | 2007-04-24 | 2008-11-01 | Tong Lung Metal Ind Co Ltd | Lock apparatus capable of repeatedly setting key and method thereof |
CN101743367B (en) | 2007-06-13 | 2013-06-26 | 施拉格锁业公司 | Programmable lock cylinder assembly |
TWI345602B (en) * | 2007-06-15 | 2011-07-21 | Taiwan Fu Hsing Ind Co Ltd | Rekeyable lock cylinder structure ,plug assembly thereof,plug body of plug assembly,sliding block of plug assembly ,structured lower pins of pin groups and cylinder body |
TWI340784B (en) | 2007-09-26 | 2011-04-21 | Taiwan Fu Hsing Ind Co Ltd | A method for a rekeyable lock cylinder |
US8424349B2 (en) * | 2008-01-18 | 2013-04-23 | Master Lock Company Llc | Key cylinder lock arrangements |
-
2005
- 2005-07-26 US US11/189,672 patent/US7762111B2/en active Active
-
2006
- 2006-07-19 BR BRPI0613931-0A patent/BRPI0613931A2/en not_active IP Right Cessation
- 2006-07-19 WO PCT/US2006/027945 patent/WO2007015890A1/en active Application Filing
- 2006-07-19 AU AU2006276142A patent/AU2006276142A1/en not_active Abandoned
- 2006-07-19 CN CN201210238290.4A patent/CN102733657B/en not_active Expired - Fee Related
- 2006-07-19 CN CN2006800318164A patent/CN101253300B/en not_active Expired - Fee Related
- 2006-07-19 MX MX2008001209A patent/MX2008001209A/en active IP Right Grant
- 2006-07-19 CA CA 2616520 patent/CA2616520A1/en not_active Abandoned
-
2009
- 2009-10-06 US US12/574,109 patent/US7895866B2/en not_active Expired - Fee Related
-
2010
- 2010-12-03 US US12/959,753 patent/US8091393B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US234630A (en) * | 1880-11-16 | Lock-cylinder | ||
US3429154A (en) * | 1966-10-18 | 1969-02-25 | Taylor Lock Co | Lock plug |
US4472953A (en) * | 1983-02-01 | 1984-09-25 | Emhart Industries Inc. | Pin-type lock with axial split cylinder and/or plug |
Also Published As
Publication number | Publication date |
---|---|
MX2008001209A (en) | 2008-03-24 |
BRPI0613931A2 (en) | 2011-02-22 |
CN102733657B (en) | 2015-03-11 |
US20110072869A1 (en) | 2011-03-31 |
CN101253300A (en) | 2008-08-27 |
AU2006276142A1 (en) | 2007-02-08 |
CN102733657A (en) | 2012-10-17 |
US20100018266A1 (en) | 2010-01-28 |
US8091393B2 (en) | 2012-01-10 |
CN101253300B (en) | 2012-09-05 |
CA2616520A1 (en) | 2007-02-08 |
US20070022793A1 (en) | 2007-02-01 |
US7895866B2 (en) | 2011-03-01 |
US7762111B2 (en) | 2010-07-27 |
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