CN100537091C - 可转动的夹盘 - Google Patents
可转动的夹盘 Download PDFInfo
- Publication number
- CN100537091C CN100537091C CN200610003677.6A CN200610003677A CN100537091C CN 100537091 C CN100537091 C CN 100537091C CN 200610003677 A CN200610003677 A CN 200610003677A CN 100537091 C CN100537091 C CN 100537091C
- Authority
- CN
- China
- Prior art keywords
- ledge
- impact component
- sleeve
- chuck
- impact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003754 machining Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 5
- 210000000697 sensory organ Anatomy 0.000 claims 2
- 230000000007 visual effect Effects 0.000 claims 2
- 238000012856 packing Methods 0.000 description 32
- 241001074085 Scophthalmus aquosus Species 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
- B23B31/123—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis with locking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
- B23B31/1238—Jaws movement actuated by a nut with conical screw-thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/06—Chucks for handtools having means for opening and closing the jaws using the driving motor of the handtool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/38—Keyless chucks for hand tools
-
- 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
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17615—Obliquely guided reciprocating jaws
- Y10T279/17623—Threaded sleeve and jaw
- Y10T279/17632—Conical sleeve
-
- 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
- Y10T279/00—Chucks or sockets
- Y10T279/27—Separate chuck-actuating power source
-
- 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
- Y10T279/00—Chucks or sockets
- Y10T279/32—Means to prevent jaw loosening
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/94—Tool-support
- Y10T408/95—Tool-support with tool-retaining means
- Y10T408/953—Clamping jaws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
Description
Claims (42)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/116,127 | 2005-04-27 | ||
US11/116,127 US7478979B2 (en) | 2005-04-27 | 2005-04-27 | Rotatable chuck |
US11/253,535 | 2005-10-19 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110034975.2A Division CN102145396A (zh) | 2005-04-27 | 2006-01-11 | 可转动的夹盘 |
CN200910160704.4A Division CN101653835B (zh) | 2005-04-27 | 2006-01-11 | 可转动的夹盘 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1853835A CN1853835A (zh) | 2006-11-01 |
CN100537091C true CN100537091C (zh) | 2009-09-09 |
Family
ID=37194456
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610003677.6A Expired - Fee Related CN100537091C (zh) | 2005-04-27 | 2006-01-11 | 可转动的夹盘 |
CN200910160704.4A Expired - Fee Related CN101653835B (zh) | 2005-04-27 | 2006-01-11 | 可转动的夹盘 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910160704.4A Expired - Fee Related CN101653835B (zh) | 2005-04-27 | 2006-01-11 | 可转动的夹盘 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7478979B2 (zh) |
CN (2) | CN100537091C (zh) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2886183B1 (fr) * | 2005-05-27 | 2007-07-13 | Amyot Sa Sa Ets | Mandrin porte-outil pour l'equipement d'une machine tournante, notamment du type "cle a choc" |
US20070144129A1 (en) * | 2005-12-27 | 2007-06-28 | Textron Inc. | Magnetically connected coupling assembly |
DE102007012859B4 (de) * | 2007-03-17 | 2009-01-02 | Josef Albrecht Bohrfutterfabrik Gmbh & Co. Kg | Spülbares Futter |
SE531283C2 (sv) * | 2007-06-11 | 2009-02-10 | Atlas Copco Tools Ab | Husskarv för ett kraftverktyg |
US8057134B2 (en) * | 2007-06-26 | 2011-11-15 | Techtronic Power Tools Technology Limited | Chuck assembly |
US8075229B2 (en) | 2007-06-26 | 2011-12-13 | Techtronic Power Tools Technology Limited | Multi-speed drill and chuck assembly |
US7762349B2 (en) | 2007-11-21 | 2010-07-27 | Black & Decker Inc. | Multi-speed drill and transmission with low gear only clutch |
US7717192B2 (en) | 2007-11-21 | 2010-05-18 | Black & Decker Inc. | Multi-mode drill with mode collar |
US7735575B2 (en) | 2007-11-21 | 2010-06-15 | Black & Decker Inc. | Hammer drill with hard hammer support structure |
US7717191B2 (en) | 2007-11-21 | 2010-05-18 | Black & Decker Inc. | Multi-mode hammer drill with shift lock |
US7770660B2 (en) | 2007-11-21 | 2010-08-10 | Black & Decker Inc. | Mid-handle drill construction and assembly process |
US7798245B2 (en) | 2007-11-21 | 2010-09-21 | Black & Decker Inc. | Multi-mode drill with an electronic switching arrangement |
US7854274B2 (en) | 2007-11-21 | 2010-12-21 | Black & Decker Inc. | Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing |
EP3597305B1 (en) | 2008-10-22 | 2022-08-24 | Graco Minnesota Inc. | Portable airless sprayer |
US8925931B2 (en) | 2010-04-29 | 2015-01-06 | Black & Decker Inc. | Oscillating tool |
US9073195B2 (en) | 2010-04-29 | 2015-07-07 | Black & Decker Inc. | Universal accessory for oscillating power tool |
US9186770B2 (en) | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
US9149923B2 (en) | 2010-11-09 | 2015-10-06 | Black & Decker Inc. | Oscillating tools and accessories |
DE102012211907A1 (de) * | 2012-07-09 | 2014-01-09 | Robert Bosch Gmbh | Drehschlagschrauber mit einem Schlagwerk |
USD832666S1 (en) | 2012-07-16 | 2018-11-06 | Black & Decker Inc. | Oscillating saw blade |
DE102013213816A1 (de) * | 2012-11-15 | 2014-05-15 | Robert Bosch Gmbh | Wekzeugvorsatz für eine Handwerkzeugmaschine |
US10882119B2 (en) | 2013-03-14 | 2021-01-05 | Black & Decker Inc. | Chuck sleeve for power tool |
CA2906620A1 (en) * | 2013-03-15 | 2014-09-25 | Robert Bosch Gmbh | Self-tightening rotary tool holding system |
US10011006B2 (en) | 2013-08-08 | 2018-07-03 | Black & Decker Inc. | Fastener setting algorithm for drill driver |
CA2922583A1 (en) | 2013-08-28 | 2015-03-05 | Positec Power Tools (Suzhou) Co., Ltd. | Power tool and operation method for quick locking and releasing working attachment thereof |
AU355902S (en) * | 2014-05-12 | 2014-06-13 | Electrolytic brush | |
AU355903S (en) * | 2014-05-12 | 2014-06-13 | Electrolytic brush | |
GB2531525A (en) * | 2014-10-20 | 2016-04-27 | Avdel Uk Ltd | Retention and release mechanism for a power tool |
WO2017024544A1 (en) * | 2015-08-12 | 2017-02-16 | Apex Brands, Inc. | Locking chuck |
CN105805281B (zh) * | 2016-05-25 | 2018-03-20 | 安徽江淮汽车集团股份有限公司 | 轴承安装防压损夹具 |
CN107999825B (zh) * | 2016-11-01 | 2024-06-14 | 苏州宝时得电动工具有限公司 | 动力工具及工作部件安装方法 |
US10265778B2 (en) | 2017-01-16 | 2019-04-23 | Black & Decker Inc. | Accessories for oscillating power tools |
USD814900S1 (en) | 2017-01-16 | 2018-04-10 | Black & Decker Inc. | Blade for oscillating power tools |
WO2019199760A1 (en) | 2018-04-10 | 2019-10-17 | Graco Minnesota Inc. | Handheld airless sprayer for paints and other coatings |
CN117046639A (zh) | 2019-05-31 | 2023-11-14 | 固瑞克明尼苏达有限公司 | 手持式流体喷雾器 |
US10968903B1 (en) | 2020-06-04 | 2021-04-06 | Graco Minnesota Inc. | Handheld sanitary fluid sprayer having resilient polymer pump cylinder |
US10926275B1 (en) | 2020-06-25 | 2021-02-23 | Graco Minnesota Inc. | Electrostatic handheld sprayer |
CN111804981A (zh) * | 2020-07-23 | 2020-10-23 | 中国核动力研究设计院 | 一种核反应堆探测器组件拆除用交叉式剪切组件 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215317A (en) * | 1992-05-18 | 1993-06-01 | Jacobs Chuck Technology Corp. | Keyless chuck |
US5833247A (en) * | 1996-02-23 | 1998-11-10 | Metabowerke Gmbh & Co. | Drill chuck |
CN1413786A (zh) * | 2001-10-23 | 2003-04-30 | 罗姆股份有限公司 | 钻床 |
CN1468158A (zh) * | 2000-08-21 | 2004-01-14 | 动力工具霍德尔斯公司 | 卡具组件及有改进接合组件的动力驱动器 |
CN1569371A (zh) * | 2003-07-15 | 2005-01-26 | 山东威达机械股份有限公司 | 锁紧式钻夹头 |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2684856A (en) * | 1950-03-18 | 1954-07-27 | Jacobs Mfg Co | Apparatus for tightening chucks of power drills |
US3834252A (en) * | 1973-06-11 | 1974-09-10 | Black & Decker Mfg Co | Adjustable positive clutch screwdriver |
US4323324A (en) * | 1979-04-18 | 1982-04-06 | Alfred F. Eberhardt | Chuck brake |
US4317578A (en) * | 1979-11-07 | 1982-03-02 | Welch Thomas R | Keyless chucking system |
US4277074A (en) * | 1979-11-26 | 1981-07-07 | Harry Kilberis | Keyless chuck |
US4395170A (en) * | 1980-08-18 | 1983-07-26 | The Singer Company | Drill, drill chuck, and methods of chucking and unchucking |
US4526497A (en) * | 1982-03-15 | 1985-07-02 | Hatfield Jim J | Automatic jaw control for reversible power tool |
US4498682A (en) * | 1982-11-17 | 1985-02-12 | The Singer Company | Free floating actuating sleeve for keyless chuck |
US4682918A (en) * | 1984-04-16 | 1987-07-28 | Milwaukee Electric Tool Corporation | Keyless impacting chuck |
US4669932A (en) * | 1985-05-24 | 1987-06-02 | Wayne Hartley | Keyless tool chuck |
US4848779A (en) * | 1987-04-02 | 1989-07-18 | Black & Decker Inc. | Keyless chuck |
WO1989003267A1 (en) * | 1987-10-16 | 1989-04-20 | Sakamaki Mfg. Co., Ltd. | Chuck for tools |
US4840387A (en) * | 1988-01-20 | 1989-06-20 | The Jacobs Manufacturing Company | Self-actuating keyless chuck |
US4915555A (en) * | 1989-06-07 | 1990-04-10 | Smothers Clarence W | Power drill having drill chuck tightener |
US5195760A (en) * | 1990-06-12 | 1993-03-23 | Black & Decker Inc. | Keyless chuck |
US5197749A (en) * | 1992-03-20 | 1993-03-30 | Moore Sidney D | Keyless chucking device |
US5232230A (en) * | 1992-09-28 | 1993-08-03 | Lin Pi Chu | Chuck assembly for a drilling apparatus |
US5501473A (en) * | 1993-08-13 | 1996-03-26 | Power Tool Holders Incorporated | Chuck |
US5348318A (en) * | 1993-08-13 | 1994-09-20 | Jacobs Chuck Technology Corporation | Chuck |
US5407215A (en) * | 1993-12-30 | 1995-04-18 | Tsung-Hsun Yang | Chuck assembly for holding releasably a bit member |
US5957469A (en) * | 1996-09-25 | 1999-09-28 | Power Tool Holders, Inc. | Spring chuck |
US5908076A (en) * | 1997-01-10 | 1999-06-01 | Power Tool Holders Incorporated | Impact tool driver |
US5992859A (en) * | 1998-04-27 | 1999-11-30 | Chum Power Machinery Corp. | Bit holding system for a power hand tool |
US6073939A (en) * | 1998-06-05 | 2000-06-13 | Power Tool Holders Incorporated | Locking chuck |
US5988653A (en) * | 1998-06-18 | 1999-11-23 | Chum Power Machinery Corp. | Auto-locking bit holding system of a hand tool |
US6045303A (en) * | 1998-12-02 | 2000-04-04 | Chung; Lee Hsin-Chih | Rotatable torque adjusting device of rotation tool |
US6196554B1 (en) * | 1998-12-15 | 2001-03-06 | Power Tool Holders Incorporated | Locking chuck |
US6182978B1 (en) * | 1999-08-11 | 2001-02-06 | Chun Chu Hsueh | Self locking device for power tool |
US6241260B1 (en) * | 1999-08-17 | 2001-06-05 | Black & Decker Inc. | Spring-loaded quick clamp chuck |
US6257596B1 (en) * | 1999-08-18 | 2001-07-10 | Wen Yung Yang | Self Locking device for power tool |
US6247706B1 (en) * | 1999-11-03 | 2001-06-19 | Chum Power Machinery Corp. | Self-locking chuck |
US6729812B2 (en) * | 1999-12-06 | 2004-05-04 | Theodore G. Yaksich | Power driver having geared tool holder |
US6390481B1 (en) * | 2000-03-10 | 2002-05-21 | Power Tool Holders Incorporated | Locking chuck |
CA2339430A1 (en) * | 2000-03-10 | 2001-09-10 | Black & Decker Inc. | Hammer |
CN2420088Y (zh) * | 2000-05-15 | 2001-02-21 | 铨宝工业股份有限公司 | 一种具有包覆夹头的电钻座壳结构 |
US6860488B2 (en) * | 2001-10-10 | 2005-03-01 | Rohm Gmbh | Drill chuck with front-end shield |
US6834864B2 (en) * | 2001-10-24 | 2004-12-28 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
JP4015857B2 (ja) * | 2002-01-18 | 2007-11-28 | ユキワ精工株式会社 | チャック装置 |
US6843484B2 (en) * | 2002-07-08 | 2005-01-18 | Monte L. Schroeder | Quick change chuck |
EP1464426B1 (de) * | 2003-04-04 | 2007-10-24 | Robert Bosch Gmbh | Schnellspannfutter |
DE10335500A1 (de) * | 2003-07-31 | 2005-03-03 | Röhm Gmbh | Schnellspannbohrfutter |
-
2005
- 2005-04-27 US US11/116,127 patent/US7478979B2/en not_active Expired - Fee Related
-
2006
- 2006-01-11 CN CN200610003677.6A patent/CN100537091C/zh not_active Expired - Fee Related
- 2006-01-11 CN CN200910160704.4A patent/CN101653835B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215317A (en) * | 1992-05-18 | 1993-06-01 | Jacobs Chuck Technology Corp. | Keyless chuck |
US5833247A (en) * | 1996-02-23 | 1998-11-10 | Metabowerke Gmbh & Co. | Drill chuck |
CN1468158A (zh) * | 2000-08-21 | 2004-01-14 | 动力工具霍德尔斯公司 | 卡具组件及有改进接合组件的动力驱动器 |
CN1413786A (zh) * | 2001-10-23 | 2003-04-30 | 罗姆股份有限公司 | 钻床 |
CN1569371A (zh) * | 2003-07-15 | 2005-01-26 | 山东威达机械股份有限公司 | 锁紧式钻夹头 |
Also Published As
Publication number | Publication date |
---|---|
CN101653835A (zh) | 2010-02-24 |
US20060244223A1 (en) | 2006-11-02 |
US7478979B2 (en) | 2009-01-20 |
CN1853835A (zh) | 2006-11-01 |
CN101653835B (zh) | 2011-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHUANGKE POWER-DRIVEN TOOLS SCIENCE AND TECHNOLOGY Free format text: FORMER OWNER: CHANGKE INDUSTRY CO., LTD. Effective date: 20091113 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091113 Address after: Hongkong, China Patentee after: Techtronic Ind Co., Ltd. (VG) Address before: Hongkong New Territories Patentee before: Chuangke Industrial Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: The British Virgin Islands of Tortola Patentee after: Techtronic Ind Co., Ltd. (VG) Address before: Hongkong, China Patentee before: Techtronic Ind Co., Ltd. (VG) |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20130111 |
|
CF01 | Termination of patent right due to non-payment of annual fee |