WO2005014234A1 - 電動ドライバー - Google Patents
電動ドライバー Download PDFInfo
- Publication number
- WO2005014234A1 WO2005014234A1 PCT/JP2004/011441 JP2004011441W WO2005014234A1 WO 2005014234 A1 WO2005014234 A1 WO 2005014234A1 JP 2004011441 W JP2004011441 W JP 2004011441W WO 2005014234 A1 WO2005014234 A1 WO 2005014234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cam
- panel
- bit holder
- housing
- follower
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 12
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/141—Mechanical overload release couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Definitions
- the present invention relates to an electric screwdriver.
- An electric driver generally includes a drive motor, a driver bit rotationally driven by the drive motor, and a power transmission train set between the motor and the driver bit to transmit the rotational driving force of the motor.
- the power transmission train is provided with power cutoff means for cutting off power transmission in the power transmission train when a predetermined or more load torque is applied to the driver bit.
- the power cut-off means includes a disc-shaped cam member, a ball that abuts an end face (on which a cam track is formed) of the cam member in the axial direction of the driver bit, and a ball extending in the axial direction and the disc-shaped cam. It has a compression panel for applying a contact pressure to the member and an adjusting member for adjusting the degree of compression of the compression panel in the axial direction.
- the contact pressure between the disc-shaped cam member and the ball is adjusted by adjusting the degree of compression of the compression panel by the adjusting member, whereby the disc-shaped cam member is adjusted.
- the torque is transmitted through the power transmission means by interlocking them.
- the disc-shaped cam member rotates relative to the ball, so that the rotation driving force cannot be transmitted through the power transmission means.
- the power transmission train is housed in a cylindrical housing, and the adjusting member of the power cutoff means is a force-up member composed of a cylindrical member and an end wall member closing a tip of the cylindrical member.
- the internal thread provided on the inner surface of the cylindrical member is threadedly engaged with a male screw provided on the outer periphery of the cylindrical housing to adjust the position in the axial direction, and the end wall member of the adjusting member is provided.
- the degree of compression of the compression panel that comes into contact with the compression panel is changed.
- the driver bit has a driver holder (trill chuck) for holding the driver bit at the end of the power transmission train. It extends forward through an opening formed in the end wall member of the node member.
- Japanese Patent Publication No. 61-270080 discloses such a conventional electric screwdriver.
- Patent Document 1 JP-A-61-270080
- the power transmission train in the housing has its front end directly connected to the housing. Therefore, the driver bit attached to its tip and extending forward generates vibration when it is driven to rotate, which hinders screw tightening and loosening operations.
- the driver bit attached to its tip and extending forward generates vibration when it is driven to rotate, which hinders screw tightening and loosening operations.
- the driver bit is inserted into a driver holder having a shank portion formed into a cylindrical shape, and a locking element (rocking ball) is formed in the shank portion through a radial hole formed in a wall of the driver holder.
- a locking element rocking ball
- the limit switch (which operates when the cam follower is pushed up and turns off the power of the electric driver) may damage the limit switch.
- the present invention has been made to solve such a problem.
- a bit holder having a distal end and a proximal end, and receiving and fixing and holding the shaft of the driver bit from the distal end;
- a housing having a distal end and a proximal end, having a through-hole for receiving the bit holder, rotatable about the axis of the bit holder, and holding the bit holder slidably in a coaxial direction; and a base for the bit holder.
- a cam member having a cam surface spaced from the end by a predetermined distance in the axial direction and perpendicular to a coaxial line, and having a cam surface facing the base end of the housing, wherein the cam surface is in contact with the axis.
- a cam member having a concentric circular cam track, and a rotary drive shaft connected to the cam member for driving the cam member to rotate about the axis.
- a cam follower provided between the bit holder and the cam member and engaged with the circular cam track
- a panel force transmitting member that is engaged with the compression panel, extends through the base end of the housing, transmits the panel force of the compression panel to the follower, and presses the follower against the cam surface; and the housing.
- a panel force adjusting member that is set to be detachable at the distal end, is engaged with one end of the compression panel, and is displaced in the axial direction to adjust the panel force of the compression panel;
- the cam track has a raised portion that rises from the cam surface toward the base end of the bit holder, and the cam follower is configured to rotate when the cam member is rotationally driven.
- the bit torque is transmitted to the bit holder by the rotation of the cam member being transmitted to the bit holder by being locked to the protruding portion, whereby the bit holder is rotated by the cam follower.
- the raised portion pushes up the follower and passes, and the cam member idles with respect to the cam follower.
- An electric screwdriver is provided.
- the driver holder is inserted into the through-hole provided in the housing, so that the driver is directly supported by the housing, so that the driver holder can be securely held. Therefore, the driver The vibration of the unit can be reduced.
- the driver bit is stably supported and the vibration is reduced. it can.
- a follower holding member attached to the base end of the bit holder and separated from the cam surface on the bit holder side in the axial direction,
- the follower may be a rotor such as a ball or a roller, which is rotatably supported by the follower holding member and abuts on the cam track.
- a panel which is mounted between the follower holding member and the base end of the housing so as to be movable in the axial direction and is engaged with the panel force transmitting member extending through the base end of the housing.
- the panel force transmitting member may be configured to press the cam follower against the cam surface via the thrust bearing and the panel force receiving member.
- a cup-shaped member having a cylindrical portion centered on the axis and an end wall portion formed at one end of the cylindrical portion, the cup-shaped member being opened toward the tip of the housing;
- a female screw is provided on the inner surface of the housing, and is screw-engaged with a male screw formed on the outer peripheral surface of the distal end portion of the housing. It can be made to be performed.
- this electric screwdriver has an annular member slidably set on the inner surface of the end wall portion of the panel force adjusting member, and a retainer rod extending in parallel to the axis with the annular member force.
- the retainer rod is slidably inserted into a rod insertion portion formed in the housing so as to extend from the distal end to the proximal end, and keeps the position of the annular member around the axis.
- the one end of the compression panel is The panel member can be engaged with the end wall portion of the panel force adjusting member via the annular member.
- the raised portion of the cam track has a steep forward inclined portion for causing the follower to move as described above on the side facing the forward direction with respect to the direction in which the cam member rotates forward, and A rear inclined portion gently inclined in a direction opposite to the normal rotation direction following the front inclined portion through a vertex of the raised portion;
- the electric driver may further include a one-way clutch that transmits only the rotational driving force of the rotational drive shaft that reverses the cam member to the bit holder.
- the bit holder has a through-hole penetrating from the distal end to the proximal end thereof, and the shank of the driver bit is inserted into the through-hole from the distal end side of the bit holder, and is inserted into the shank and the bit holder.
- the locking element to be engaged is prevented from moving around the axial direction and in the coaxial direction.
- the rotary drive shaft is loosely inserted into the through hole from the base end side of the bit holder,
- a compression panel is set between the shank base end of the driver bit inserted into the through hole and the tip of the rotary drive shaft, and the driver bit can be biased forward. By doing so, the driver bit can be set to the bit holder without looseness.
- FIG. 1 is a longitudinal side view of a main part of an electric screwdriver according to the present invention.
- FIG. 2 is a perspective view of a cam member of the electric screwdriver.
- FIG. 1 shows a longitudinal sectional view of an electric screwdriver 10 according to the present invention.
- the electric screwdriver 10 has a cylindrical bit holder 14 that receives and fixes and holds the shaft of the driver bit 12 from the tip (the right end in the figure).
- a cylindrical housing 18 having a through-hole 16 for receiving the bit holder 14 and rotatably holding the bit holder about its axis and slidably in a coaxial direction; and a base end of the bit holder. (Left end in the figure) 14-1
- a cam surface 20-1 which is set at a predetermined interval in the axial direction and perpendicular to the coaxial line and faces the base end 14-1 of the bit holder 14
- a ring-shaped cam member 20 (see FIG. 2) comprising: a cam member 20 having a circular cam track whose cam surface 201-11 is concentric with the axis;
- a rotary drive shaft 22 coupled to the cam member 20 for driving the cam member 20 about the axis (by being driven by a rotary drive motor not shown);
- a cam follower provided between the bit holder 14 and the cam member 20 and engaged with a circular cam track on the cam surface 20-1 of the cam member (in the illustrated example, a rolling element such as a ball or a roller). 24)
- a ring-shaped follower holding member 26 that rotatably holds the cam follower 24; a ring-shaped follower holding member 26 that is opened at the distal end 18-2 of the housing 18 and extends in the axial direction toward the proximal end 18-1 thereof; Panel storage hole 28,
- a cup-shaped member which is detachably attached to the distal end 18-2 of the housing 18, is engaged with one end of the compression panel 30, and is displaced in the axial direction to adjust the panel force of the compression panel 30.
- Panel force adjusting member 34
- the bit holder 14 is rotatably supported in a stable state in the through hole 16 of the housing 18 .
- the bit holder 14 is rotated near the end of the through hole 16 of the housing 18.
- a radial bearing specifically a needle bearing 19, is provided so as to support the bit holder 14 so that the bit holder 14 is rotatably supported in a stable state. Yes.
- the cam track 20-2 has raised portions 20-3 and 20-3 which are raised from the cam surface 20-1 toward the base end 14_1 of the bit holder 14.
- the cam follower 24 is locked by one of the protrusions 20-3, and transmits the rotational torque of the cam member 20 to the bit holder 14 to rotate the same.
- the bit holder 14 is driven to rotate.
- the raised portion 20-3 pushes up the follower 24 to pass therethrough. It has been done.
- a spring force transmitting member 32 is mounted between the follower holding member 26 and the base end of the housing 18 so as to be movable in the axial direction, and extends through the base end of the housing 18.
- a ring-shaped panel force receiving member 36 to be engaged is provided, a thrust bearing 40 is set between the spring force receiving member 36 and the follower holding member 26, and a panel force transmitting member 32 includes a compression spring 30. Is transmitted to the cam follower 24 via the spring receiving member 36 and the thrust bearing 40, and the cam follower 24 is pressed against the cam surface 20-1.
- the panel force adjusting member 34 attached to the distal end 18-2 of the housing 18 includes a cylindrical portion 34-1 centered on the axis, and an end wall formed at one end of the cylindrical portion 34-1.
- a cylindrical member 34_3 is provided on the inner surface of the cylindrical portion 34_1, and the female screw 34_3 is provided at the distal end of the housing 18. It is screw-engaged with a male screw 18-3 formed on the outer peripheral surface.
- On the inner surface of the end wall portion 34-2 of the spring adjusting member 34 there is provided an annular member 42 concentric with the end wall portion 34-2 and slidably set on the inner surface of the end wall portion. One end of the compression panel 30 is engaged with the annular member.
- the annular member 42 has a retainer rod 44 extending parallel to the axis, and the retainer rod is a rod insertion part formed in the housing 18 so as to extend from the distal end to the proximal end. It is slidably inserted into 46 so as to keep the position of the annular member 42 around the axis constant.
- the raised portion 20-3 of the cam track of the cam member 20 faces in the normal rotation direction with reference to the direction in which the cam member rotates normally (the direction indicated by the arrow A in FIG. 2). Steep forward slope to the side An inclined portion 204 is formed, and a rear inclined portion 205 which is gently inclined in a direction opposite to the normal rotation direction is formed following the front inclined portion 204 through the apex of the raised portion.
- reference numeral 50 denotes a one-way clutch, which transmits the driving force from the rotary drive shaft 22 to the bit holder 14 only when the cam member 20 is reversed.
- the bit holder 14 has a through hole 14-12 penetrating from the distal end to the proximal end.
- the shank force of the driver bit 12 is inserted into the through hole 14-12 from the tip side of the bit holder 14, and is received in the hole penetrating the bit holder 14 in the radial direction, and the outer periphery of the driver bit 12
- the locking element (locking ball) 56 that engages the annular recess 12-2 provided on the surface prevents the movement in the axial direction.
- a step 12-1 is formed at the base end of the driver bit, and the step 12-1 is engaged with a pin 54 set to extend in a direction transverse to the inside of the through hole of the bit holder. And is prevented from moving around the axis.
- reference numeral 58 denotes a sleeve provided on the outer peripheral surface of the driver bit 14 so as to be slidable in the axial direction between a position shown in which the lock 56 is pressed from a radial direction and a position in which the lock is released. It is.
- the rotary drive shaft 22 is loosely inserted from the base end side of the through hole 142 of the bit holder 14, and the shank base end of the driver bit inserted into the through hole 14_2 and the rotary drive shaft.
- a compression panel 60 is set between the end of the driver 22 and the driver bit 12 so as to constantly urge the driver bit 12 forward.
- the compression spring 60 eliminates play in fixing the driver bit 14 to the bit holder 14 by the lock 56.
- a sub-housing 62 for accommodating the above-described thrust bearing 40, cam member 20, cam follower 24 and the like is provided.
- a driving motor is provided at the base end of the sub-housing.
- a speed reducer 64 is provided for reducing the rotational driving force from a motor (not shown).
- a limit switch 66 is provided on the outer peripheral surface of the sub-housing 62, and the limit switch 66 is provided with a rivet-shaped switch operating member 68 for operating the limit switch 66.
- the switch operating member 68 is in contact with a ring-shaped member 70 engaged around the panel force receiving member 36, and the ring-shaped member 70 is set between the ring-shaped member 70 and the base end of the housing 18. Coil coil The switch actuating member 68 is pressed by the screw 72.
- the driver bit is driven forward by the electric screwdriver to tighten the screw.
- the resistance to the screw increases, and the rotational driving torque applied to the screw is constant.
- the raised portion 20-3 of the cam member 20 passes through the cam follower 24, and the cam follower 24 and the switch operating member 68 are powered toward the distal end of the electric driver, Turn limit switch 66 to turn off the electric driver.
- the cam follower 24 and the push button 68 are then returned (by the spring force of the compression spring 30). Since the rear inclined portion 20-5 of the cam track of the cam member 20 has a gentle inclination, However, it does not cause an impact to the switch operating member 68 and does not damage the limit switch 66.
- reference numeral 76 is fixed to the base end of the housing 18 and supports the follower holding member 26, the slice bearing 40, the panel force receiving member 36, and the like therearound. Is a sleeve that loosely accepts.
- the follower holding member 36 is fixed to the sleeve, and the slice bearing 40 and the spring receiving member 36 are rotatable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04771428A EP1655107B1 (en) | 2003-08-12 | 2004-08-09 | Electric driver |
US10/545,178 US7370561B2 (en) | 2003-08-12 | 2004-08-09 | Electric driver |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003292413A JP3992667B2 (ja) | 2003-08-12 | 2003-08-12 | 電動ドライバー |
JP2003-292413 | 2003-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005014234A1 true WO2005014234A1 (ja) | 2005-02-17 |
Family
ID=34131718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011441 WO2005014234A1 (ja) | 2003-08-12 | 2004-08-09 | 電動ドライバー |
Country Status (7)
Country | Link |
---|---|
US (1) | US7370561B2 (ja) |
EP (1) | EP1655107B1 (ja) |
JP (1) | JP3992667B2 (ja) |
KR (1) | KR100675536B1 (ja) |
CN (1) | CN100584539C (ja) |
TW (1) | TWI248388B (ja) |
WO (1) | WO2005014234A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060266537A1 (en) * | 2005-05-27 | 2006-11-30 | Osamu Izumisawa | Rotary impact tool having a ski-jump clutch mechanism |
TW200918249A (en) * | 2007-10-19 | 2009-05-01 | Chia-Chiung Chuang | Mechanism for stabilizing output torque of transmission member |
CN101837577B (zh) * | 2010-06-22 | 2012-05-09 | 张辉 | 一种电动螺丝刀中的自动离合装置 |
JP2012122659A (ja) * | 2010-12-08 | 2012-06-28 | Sharp Corp | フィルタおよび空気調和機 |
CN102909709B (zh) * | 2011-08-06 | 2015-02-04 | 苏州宝时得电动工具有限公司 | 动力工具 |
CN102357872B (zh) * | 2011-10-14 | 2013-10-30 | 无锡麦克马丁定扭矩装配工具有限公司 | 气动工具轨道断气结构 |
CN103586818B (zh) * | 2013-10-23 | 2016-03-02 | 舟山市派德龙科技有限公司 | 自动螺丝批中刀杆的稳定结构 |
KR101632661B1 (ko) * | 2014-03-31 | 2016-06-22 | 주식회사 융합테크 | 구름 접촉식 슬립토크 조절기능을 갖는 토크 리미트 드라이버 |
CN105152632A (zh) * | 2015-08-06 | 2015-12-16 | 合肥汇智新材料科技有限公司 | 一种耐磨损陶瓷凸轮环及其制备方法 |
CN107789018A (zh) * | 2016-08-30 | 2018-03-13 | 重庆西山科技股份有限公司 | 医用往复刀具 |
DE112017005671B4 (de) * | 2016-11-10 | 2024-04-25 | Nitto Kohki Co., Ltd. | Elektrisches motorangetriebenes werkzeug und steuervorrichtung und steuerschaltung dafür |
CN212497584U (zh) * | 2018-02-14 | 2021-02-09 | 苏州宝时得电动工具有限公司 | 手持工具 |
JP7125748B2 (ja) * | 2018-10-17 | 2022-08-25 | 京都機械工具株式会社 | 先端工具 |
US11224923B2 (en) | 2019-01-28 | 2022-01-18 | C. & E. Fein Gmbh | Tool holder for a machine tool |
CN112706113A (zh) * | 2020-12-22 | 2021-04-27 | 深圳市忆好网络科技有限公司 | 一种电视机制作组装用手持式电动螺丝机机头 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5893474U (ja) * | 1981-12-19 | 1983-06-24 | 日本電気精器株式会社 | 電動ドライバ |
JPS58143173U (ja) * | 1982-03-20 | 1983-09-27 | オリムピツク釣具株式会社 | 電動工具におけるトルク調節付クラツチ機構 |
JPS5954828A (ja) * | 1982-09-21 | 1984-03-29 | Matsushita Electric Ind Co Ltd | 電動工具のクラツチ装置 |
JPS6090676A (ja) * | 1983-10-24 | 1985-05-21 | 日東精工株式会社 | 自動ねじ締め機 |
JPS6080872U (ja) * | 1983-11-11 | 1985-06-05 | 日立工機株式会社 | クラツチ式締付工具 |
JPH01138673U (ja) * | 1988-03-15 | 1989-09-21 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US2963134A (en) * | 1956-03-15 | 1960-12-06 | Henry T M Rice | Fluid operated releasable torque transmitting apparatus |
US3596542A (en) * | 1969-05-01 | 1971-08-03 | Chicago Pneumatic Tool Co | Pneumatic push-start, torque shut-off screw driver |
US3613751A (en) * | 1969-07-24 | 1971-10-19 | Monogram Ind Inc | Adjustable screwdriver |
US3616883A (en) * | 1970-06-08 | 1971-11-02 | Black & Decker Mfg Co | Adjustable clutch |
JPS5893474A (ja) * | 1981-11-26 | 1983-06-03 | Fuji Electric Co Ltd | 電流形インバータの制御装置 |
JPS6080872A (ja) * | 1983-10-12 | 1985-05-08 | Canon Inc | 複写装置 |
FR2584644B1 (fr) * | 1985-07-11 | 1987-11-27 | Facom | Tournevis dynamometrique |
JPS6333998A (ja) | 1986-07-29 | 1988-02-13 | Sawafuji Dainameka Kk | 圧電形スピ−カ |
JPS6393572A (ja) * | 1986-10-09 | 1988-04-23 | 日立工機株式会社 | クラツチ式締付工具 |
JPH01138673A (ja) * | 1988-02-13 | 1989-05-31 | Nec Corp | メモリ回路 |
JP3819078B2 (ja) * | 1996-07-18 | 2006-09-06 | 勝行 戸津 | 無反動クラッチ機構を内蔵した電動回転工具 |
-
2003
- 2003-08-12 JP JP2003292413A patent/JP3992667B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-09 CN CN200480026772A patent/CN100584539C/zh active Active
- 2004-08-09 US US10/545,178 patent/US7370561B2/en active Active
- 2004-08-09 WO PCT/JP2004/011441 patent/WO2005014234A1/ja active IP Right Grant
- 2004-08-09 EP EP04771428A patent/EP1655107B1/en active Active
- 2004-08-09 KR KR1020067002915A patent/KR100675536B1/ko active IP Right Grant
- 2004-08-11 TW TW093124067A patent/TWI248388B/zh active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893474U (ja) * | 1981-12-19 | 1983-06-24 | 日本電気精器株式会社 | 電動ドライバ |
JPS58143173U (ja) * | 1982-03-20 | 1983-09-27 | オリムピツク釣具株式会社 | 電動工具におけるトルク調節付クラツチ機構 |
JPS5954828A (ja) * | 1982-09-21 | 1984-03-29 | Matsushita Electric Ind Co Ltd | 電動工具のクラツチ装置 |
JPS6090676A (ja) * | 1983-10-24 | 1985-05-21 | 日東精工株式会社 | 自動ねじ締め機 |
JPS6080872U (ja) * | 1983-11-11 | 1985-06-05 | 日立工機株式会社 | クラツチ式締付工具 |
JPH01138673U (ja) * | 1988-03-15 | 1989-09-21 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1655107A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20060185481A1 (en) | 2006-08-24 |
JP3992667B2 (ja) | 2007-10-17 |
EP1655107A4 (en) | 2009-03-04 |
EP1655107B1 (en) | 2010-06-30 |
CN1852789A (zh) | 2006-10-25 |
KR100675536B1 (ko) | 2007-01-30 |
EP1655107A1 (en) | 2006-05-10 |
CN100584539C (zh) | 2010-01-27 |
US7370561B2 (en) | 2008-05-13 |
TWI248388B (en) | 2006-02-01 |
KR20060033036A (ko) | 2006-04-18 |
TW200520905A (en) | 2005-07-01 |
JP2005059144A (ja) | 2005-03-10 |
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