EP1252000A1 - Machine portable - Google Patents

Machine portable

Info

Publication number
EP1252000A1
EP1252000A1 EP01905617A EP01905617A EP1252000A1 EP 1252000 A1 EP1252000 A1 EP 1252000A1 EP 01905617 A EP01905617 A EP 01905617A EP 01905617 A EP01905617 A EP 01905617A EP 1252000 A1 EP1252000 A1 EP 1252000A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
locking
hand tool
sealing
base body
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.)
Granted
Application number
EP01905617A
Other languages
German (de)
English (en)
Other versions
EP1252000B1 (fr
Inventor
Helmut Wanek
Markus Heckmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1252000A1 publication Critical patent/EP1252000A1/fr
Application granted granted Critical
Publication of EP1252000B1 publication Critical patent/EP1252000B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/084—Rotating chucks or sockets
    • B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B25D2217/0042—Ball-shaped locking members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
    • B25D2217/0065—Use of dust covers

Definitions

  • the invention is based on a hand tool according to the preamble of claim 1.
  • the tool holder has a base body which is made in one piece with a spindle sleeve.
  • the base body has a receiving bore into which a shank of a tool can be inserted and can be locked by means of a locking device.
  • the locking device has a locking ball which is arranged in an opening in the base body and can be inserted into a groove of a tool which is closed at the shaft end.
  • the locking ball In a locking position, the locking ball is covered radially on the outside by a locking sleeve.
  • the locking sleeve is axially displaceably mounted on the base body.
  • Locking sleeve can be axially inserted into an Guiding direction of the tool against the force of a preloaded coil spring in an unlocked position in which a space in the locking sleeve allows a radial escape of the locking ball from the groove of the tool shank to release the tool.
  • the spindle sleeve ' is mounted in a machine housing.
  • the actuating sleeve surrounds a tool-side end of the machine housing with a sleeve-shaped extension.
  • the actuating sleeve delimits a space surrounding the locking ball radially outwards, which is delimited inwards by the base body.
  • the space is protected against dust on the tool side by a dust protection cap, which is attached to the base body and seals radially inwards to the base body and radially outwards to the actuating sleeve.
  • On the machine side the room is protected against the ingress of drilling dust by a sealing device.
  • the sealing device has a support ring which serves for supporting the helical spring on the machine side and for this purpose has a cylindrical guide extension for the helical spring.
  • the support ring is axially secured on the machine side to a shoulder of the spindle sleeve.
  • In the support ring there are circumferential grooves on the inner circumference and on the outer circumference, in each of which a sealing ring is arranged.
  • the outer sealing ring arranged in the radially outer circumferential groove seals the space between the actuating sleeve and the support ring and the inner sealing ring arranged in the radially inner circumferential groove. tring seals the space between the support ring and the base body.
  • the invention relates to a handheld power tool, in particular a drilling and / or chiseling tool, with a tool holder which can be driven in a striking and / or rotating manner, for holding tools with a groove shank, one
  • the sealing device have at least one sleeve-shaped component separate from the actuating element, which at least partially delimits the space in the radial direction.
  • the space can advantageously be formed independently of the actuating element and the sealing device can seal the space by means of sealing surface pairs that are at least mutually at least during operation, even when the actuating element is stationary and the rotating base body, for example when the actuating element contacts the wall during operation.
  • a particularly advantageous sealing effect can be achieved, the ingress of dust can at least largely be avoided and, as a result, less wear on the Tool and in particular on the base of the tool holder and a long service life can be achieved. In addition, little wear can be achieved on the sealing device.
  • the actuating element advantageously has at least a radial distance from the sleeve-shaped component.
  • the sealing device have at least one sleeve-shaped, elastically deformable component.
  • pairs of sealing surfaces resting against one another can always be achieved.
  • the pairs of sealing surfaces can be held against one another with large contact forces without hindering movement or causing large coefficients of friction, and overall a particularly advantageous sealing effect can be achieved.
  • the sleeve-shaped, in particular the elastically deformable, component advantageously encloses the compression spring and seals on its end faces to adjacent components, as a result of which the compression spring and the sleeve-shaped component can advantageously be designed as a preassembled assembly.
  • the compression spring could also be made of sleeve-shaped, in particular elastically deformable partially overmolded.
  • a pair of sealing surfaces be arranged axially in front and a pair of sealing surfaces axially after the locking body, and in both pairs of sealing surfaces a sealing surface is formed by the base body or by a component fastened to the base body.
  • the sealing effect of the sealing device can be improved and, in particular, a space surrounding the locking body can be created, into which a lubricant can advantageously be introduced and which, in addition to initial lubrication, can be used for permanent forced lubrication. It is advantageously possible to use an already existing recess for the locking body to supply lubricant into the room and to discharge it from the room into a receiving area of the tool holder and to lubricate the receiving area and the tool shank and to reduce wear. Additional recesses and components for forced lubrication can be saved.
  • a good sealing effect can be achieved in a structurally simple manner by the sleeve-shaped component engaging in at least one groove in the base body. Furthermore, an additional inexpensive seal can be achieved with a labyrinth seal between the actuating element and an adjacent component, for example a protective cap attached to the base body. With the labyrinth seal a penetration can from .dust and dirt to the sleeve-shaped component and the escape of lubricant from the room to the outside.
  • FIG. 1 shows a longitudinal section through a tool holder of a rotary hammer
  • FIG. 2 shows a variant according to FIG. 1 with two spring-loaded sealing surface pairs
  • FIG. 3 shows a variant according to FIG. 2 with a preassembled module, consisting of an elastically deformable sealing sleeve and a compression spring
  • FIG. 4 shows a variant according to FIG. 1 with a space sealed in the axial direction before and after a locking body to form a base body of the tool holder
  • FIG. 5 shows a variant according to FIG. 4 with a sheet metal sleeve
  • Fig. 6 shows an elastically deformable sealing sleeve from Fig. 5 in the assembled state in a locking position of a tool holder and
  • Fig. 7 the sealing sleeve of Fig. 6 in the assembled state in an unlocked position of a tool holder.
  • FIG. 1 shows a section of a rotary hammer with a tool holder 10, which is arranged in a lower housing shell 84 and can be driven in a rotating and impacting manner, for receiving tools with a groove shank.
  • the tool holder 10 has a base body 12 with a radially displaceable locking ball 14 which can be inserted into a closed groove of the tool at the end of the shaft and is held in its locking position by a locking sleeve 16 which is axially movable within limits and a holding sleeve 56.
  • the locking sleeve 16 is loaded via the holding sleeve 56 with a compression spring 46 in the direction of its locking position.
  • the compression spring 46 is supported on the machine side on a support ring 54.
  • the locking sleeve 16 is supported on the side facing away from the compression spring 46 by a ring 76 and a snap ring 78 on the base body 12.
  • the locking sleeve 16 radially covers the locking ball 14 and the holding sleeve 56 secures the locking ball 14 in the axial direction.
  • the locking ball 14 is displaced by the shaft end of the tool in a recess 74 in the direction of insertion of the tool.
  • the retaining sleeve 56 is displaced via the locking ball 14 against the compression spring 46, which creates a free space between the locking sleeve 16 and the retaining sleeve 56, into which the locking ball 14 can move radially outward.
  • the tool can be fully inserted. Then the prestressed compression spring 46 moves the retaining sleeve 56 into its starting position and the locking ball 14 m presses the groove of the
  • rotary driving webs 82 are arranged in a receiving bore 80 of the base body, which engage m open grooves at the end of the tool shank.
  • the locking sleeve 16 is displaced with an actuating sleeve 18 against the holding sleeve 56 and against the compression spring 46 loading the holding sleeve 56, so that the locking ball 14 dodges radially outward and the tool can be removed.
  • the compression spring then prints the retaining sleeves 56, the locking sleeves 16, the locking ball 14 and the actuating sleeve 18 back into their initial positions.
  • the tool holder 10 has a sealing device 20, which seals a space 30 surrounding the locking ball 14 to the outside.
  • the sealing device 20 has an elastically deformable rubber sleeve 34 which is separate from the actuating sleeve 18 and which radially delimits the space 30 and encloses the support ring 54, the compression spring 46, the holding sleeve 56 and the locking sleeve 16.
  • the rubber sleeve 34 seals the space 30 on the support ring 54 and on the locking sleeve 16 to the outside from.
  • a dust protection cap 86 is positively attached to the base body 12 at the tool-side end via a latching connection 88, which seals the area of the locking ball 14 against dust on the tool side via a gap seal 90 to the actuating sleeve 18.
  • a striker 112 which seals the receiving bore 80 on the machine side via seals (not shown) arranged in grooves 114, 116.
  • the rubber sleeve 34 can deform elastically without pairs of sealing surfaces 92, 94 between the support ring 54 and the rubber sleeve 34 and the rubber sleeve 34 and the locking sleeve 16 lifted apart from each other can still be moved to each other.
  • this is braced with the support ring 54 and the locking sleeve 16, i.e. non-positively connected.
  • the actuating sleeve 18 is at a radial and axial distance 110 from the rubber sleeve 34.
  • the rubber sleeve 34 can continue to rotate together with the base body 12. Wear between the rubber sleeve 34 and the actuating sleeve 18 is avoided.
  • the space 30 is provided with a not shown in the recess 74. filled with viscous and temperature-resistant lubricants.
  • the locking ball 14 is displaced radially outward, the volume of the space 30 is reduced and the lubricant is pressed out of the space 30 into the receiving bore 80.
  • FIG. 2 shows a variant of the exemplary embodiment in FIG. 1 with a sealing device 22.
  • Components that remain essentially the same are basically numbered with the same reference numerals in the exemplary embodiments described.
  • the sealing device 22 has an elastically deformable rubber sleeve 36 which surrounds the compression spring 46 and the holding sleeve 56 and which seals the space 30 to the support ring 54 and the locking sleeve 16 to the outside. Sealing surface pairs 48, 50 between the support ring 54 and the rubber sleeve 36 and between the rubber sleeve 36 and the locking sleeve 16 are held together by the compression spring 46.
  • a variant shown in FIG. 3 has a sealing device 24 with an elastically deformable rubber sleeve 38, which forms a preassembled module with the compression spring 46.
  • the rubber sleeve 38 surrounds the compression spring 46 and seals the space 30 on the end faces of the support ring 54 and the holding sleeve 56 to the outside. Sealing surface pairs 48, 52 between the support ring 54 and the rubber sleeve 38 and between the rubber sleeve 38 and the holding sleeve 56 are held against one another by the compression spring 46.
  • An exemplary embodiment shown in FIG. 4 has a sealing device 26 with an elastically deformable rubber sleeve 40.
  • the rubber sleeve 40 encloses the support ring 54, the compression spring 46, the holding sleeve 56, the locking sleeve 16, the ring 76 and the snap ring 78 and seals a space 32 to the support ring 54 and to the base body 12.
  • the rubber sleeve 40 encloses the support ring 54 radially and from two axial sides and engages in the groove 68 of the base body 12 on the tool side.
  • a pair of sealing surfaces 58 is arranged axially in front and a pair of sealing surfaces 62 is arranged axially behind the locking ball 14.
  • the rubber sleeve can be reinforced with a fabric in various areas, for example in the area of the support ring 54, the compression spring 46, the holding sleeve 56 and / or the locking sleeve 16.
  • the locking sleeve 16 can be moved against the compression spring 46 via the rubber sleeve 40 and the ring 76.
  • the rubber sleeve 40 is elastically deformed, the sealing surfaces of the sealing surface pairs 58, 62 always resting on one another.
  • a tough and heat-resistant lubricant is introduced into the space 32 for permanent forced lubrication via the recess 74.
  • the locking ball 14 is moved radially outwards.
  • the volume of the space 32 is reduced and the lubricant is pressed through the recess 74 into the receiving bore 80.
  • the area around the rubber sleeve 40 is also via an O-ring 96 arranged between the actuating sleeve 18 and the housing shells 84 and via a ne labyrinth seal 72 between the actuating sleeve 18 and an adjacent dust cap 70 sealed.
  • FIG. 5 shows a variant of the exemplary embodiment in FIG. 4 with a sealing device 28 which, in addition to a rubber sleeve 42 arranged on the tool side, elastically deformable and folded in multiple layers, has a sheet metal sleeve 44 on the machine side.
  • the sheet metal sleeve 44 seals the space 32 on the machine side to form an O-ring 66, which is fastened in a circumferential groove 100 of a support ring 98 for the compression spring 46.
  • the space 32 is sealed between the support ring 98 and the base body 12 via an O-ring 102, via which the support ring 98 is supported on the machine side on a shoulder 104 of the base body 12.
  • the support ring 98 is supported on the base body 12 via a clamping ring 106.
  • the rubber sleeve 42 seals the space 32 between the sheet metal sleeve 44 and the locking sleeve 16 and at a second end to the base body 12. At its second end, the rubber sleeve 42 engages in a groove 68 of the
  • the sheet metal sleeve 44 forms a sealing surface pair 60 axially with the O-Rmg 66, and the rubber sleeve 42 forms a sealing surface pair 64 axially with the basic body 12 after the locking ball 14.
  • FIG. 6 shows the rubber sleeve 42 in the locked position
  • FIG. 7 shows the rubber sleeve 42 in an unlocked position of the tool holder 10.
  • the sheet metal sleeve 44 slides on the O-ring 66.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne une machine portable destiné à recevoir des outils à manche rainuré, présentant un corps de base (12) ayant au moins un corps de verrouillage (14) déplaçable radialement, qui est introduit dans une rainure de l'outil fermée à l'extrémité du manche et qui est maintenu en position de verrouillage par un élément de retenue (16) qui peut être guidé, via un élément de commande (18), en une position libérant radialement le corps de verrouillage (14), ainsi qu'au moins un dispositif d'étanchéité (20, 22, 24, 26, 28) étanchéifiant vers l'extérieur, au moins un espace (30, 32) entourant un corps de verrouillage (14).
EP01905617A 2000-01-22 2001-01-09 Machine portable Expired - Lifetime EP1252000B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10002749A DE10002749A1 (de) 2000-01-22 2000-01-22 Handwerkzeugmaschine
DE10002749 2000-01-22
PCT/DE2001/000045 WO2001053045A1 (fr) 2000-01-22 2001-01-09 Machine portable

Publications (2)

Publication Number Publication Date
EP1252000A1 true EP1252000A1 (fr) 2002-10-30
EP1252000B1 EP1252000B1 (fr) 2004-03-31

Family

ID=7628438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01905617A Expired - Lifetime EP1252000B1 (fr) 2000-01-22 2001-01-09 Machine portable

Country Status (5)

Country Link
EP (1) EP1252000B1 (fr)
JP (1) JP2003522034A (fr)
CN (1) CN1301828C (fr)
DE (2) DE10002749A1 (fr)
WO (1) WO2001053045A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243288B4 (de) * 2002-09-18 2013-02-21 Robert Bosch Gmbh Werkzeugaufnahme
DE102007056531A1 (de) * 2007-11-23 2009-05-28 Hilti Aktiengesellschaft Handwerkzeugmaschine mit Schlagwerkzeugaufnahme und zugeordnetes Werkzeug
DE102011077244A1 (de) 2011-06-09 2012-12-13 Hilti Aktiengesellschaft Werkzeugaufnahme
EP2894009A1 (fr) * 2014-01-09 2015-07-15 HILTI Aktiengesellschaft Machine-outil portative
CN109954908A (zh) * 2017-12-22 2019-07-02 西安增材制造国家研究院有限公司 便携式制孔装置及其使用方法
DE102020213165A1 (de) * 2020-10-19 2022-04-21 Robert Bosch Gesellschaft mit beschränkter Haftung Handwerkzeugmaschine mit einer Verriegelungseinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100186A1 (de) * 1991-01-05 1992-07-09 Bosch Gmbh Robert Handwerkzeugmaschine mit abnehmbaren werkzeughalter
DE29724927U1 (de) * 1997-06-11 2007-08-02 Robert Bosch Gmbh Handgeführte Bohr- oder Schlagwerkzeugmaschine
DE19805187B4 (de) * 1998-02-10 2006-03-16 Robert Bosch Gmbh Handwerkzeugmaschine, insbesondere Bohr- bzw. Schlaghammer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0153045A1 *

Also Published As

Publication number Publication date
WO2001053045A1 (fr) 2001-07-26
CN1395520A (zh) 2003-02-05
DE50101843D1 (de) 2004-05-06
DE10002749A1 (de) 2001-08-02
JP2003522034A (ja) 2003-07-22
CN1301828C (zh) 2007-02-28
EP1252000B1 (fr) 2004-03-31

Similar Documents

Publication Publication Date Title
EP1326736B1 (fr) Porte-outil pour une machine-outil
DE19815650B4 (de) Drehbohrhammer
DE10253421B4 (de) Schlagbohrer
DE10127103B4 (de) Werkzeughalterung
CH697940B1 (de) Handwerkzeugmaschine, insbesondere Bohr- und/oder Schlaghammer.
EP1633525B1 (fr) Machine-outil a main
EP1184136B1 (fr) Outil main à percussion avec porte-outil
DE10001191A1 (de) Handwerkzeugmaschine
DE10241054A1 (de) Werkzeug und Werkzeughalter für eine Handwerkzeugmaschine
WO2006024568A1 (fr) Logement a outil, adaptateur et systeme compose d'un logement a outil et d'un adaptateur
DE4310835A1 (de) Bohr- und/oder Schlaghammer
DE10001193A1 (de) Handwerkzeugmaschine
EP1252000B1 (fr) Machine portable
EP0266305B1 (fr) Marteau de forage avec mécanisme de percussion
EP0876881A2 (fr) Appareil de forage et/ou percussion
EP1910039A1 (fr) Mecanisme de percussion et machine-outil portative a commande au moins par percussion, munie d'un mecanisme de percussion
EP1417076B1 (fr) Machine-outil manuelle
CH626824A5 (en) Powered hand tool
DE29724927U1 (de) Handgeführte Bohr- oder Schlagwerkzeugmaschine
DE10152959A1 (de) Handwerkzeugmaschine
DE10243288B4 (de) Werkzeugaufnahme
DE19717465A1 (de) Elektrowerkzeugmaschine
DE10059389B4 (de) Handwerkzeugmaschine mit einem Schlagwerk
CH649813A5 (en) Tool holder for a powered hand tool
DE102023117563A1 (de) Bohrhammer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20020822

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WANEK, HELMUT

Inventor name: HECKMANN, MARKUS

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WANEK, HELMUT

Inventor name: HECKMANN, MARKUS

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE GB LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: SCINTILLA AG, DIREKTION

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50101843

Country of ref document: DE

Date of ref document: 20040506

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20040716

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20040331

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050104

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20070123

Year of fee payment: 7

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080131

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090123

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20090327

Year of fee payment: 9

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100803

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100109