WO2014086876A4 - Hand-held grinding machine - Google Patents
Hand-held grinding machine Download PDFInfo
- Publication number
- WO2014086876A4 WO2014086876A4 PCT/EP2013/075556 EP2013075556W WO2014086876A4 WO 2014086876 A4 WO2014086876 A4 WO 2014086876A4 EP 2013075556 W EP2013075556 W EP 2013075556W WO 2014086876 A4 WO2014086876 A4 WO 2014086876A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding machine
- drive motor
- tubular rod
- hand
- axis
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
- B24B7/184—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings pole sanders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
To provide a hand-held grinding machine, comprising a holding device for holding the grinding machine, comprising a drive motor and comprising a tool head, wherein the holding device comprises a substantially tubular bar with a proximal end and a distal end, wherein the drive motor is arranged at the proximal end, wherein the tool head is arranged at the distal end, wherein the grinding machine comprises a transmission shaft which connects the drive motor to a tool holder of the tool head for the transmission of torque and which runs at least in sections within the tubular bar, wherein the tubular bar comprises a grip region at which a user grips the grinding machine during grinding operation, which hand-held grinding machine permits simple, efficient and as far as possible fatigue-free grinding, it is proposed that a centre of gravity of the drive motor and a centre of gravity of the tool head are arranged on mutually opposite sides of a longitudinal axis of the tubular bar.
Claims
1. Handgehaltene Schleifmaschine (100), umfassend eine Halteeinrichtung (102) zum Halten der Schleifmaschine (100), einen Antriebsmotor (104) und einen Werkzeugkopf (108), A hand-held grinding machine (100) comprising a holding device (102) for holding the grinding machine (100), a drive motor (104) and a tool head (108),
wobei die Halteeinrichtung (102) einen im Wesentlichen rohrförmigen Stab (110) umfasst, welcher ein proximales Ende (114) und ein distales Ende (116) umfasst, wherein the retainer (102) comprises a substantially tubular rod (110) comprising a proximal end (114) and a distal end (116).
wobei der Antriebsmotor (104) an dem proximalen Ende (114) angeordnet ist, wherein the drive motor (104) is disposed at the proximal end (114),
wobei der Werkzeugkopf (108) an dem distalen Ende (116) angeordnet ist, wherein the tool head (108) is located at the distal end (116),
wobei die Schleifmaschine (100) eine Übertragungswelle (130) umfasst, welche den Antriebsmotor (104) zur Drehmomentübertragung mit einer Werkzeugaufnahme (132) des Werkzeugkopfs (108) verbindet und zumindest abschnittsweise innerhalb des rohrförmigen Stabs (110) verläuft, wherein the grinding machine (100) comprises a transmission shaft (130) which connects the drive motor (104) for torque transmission with a tool holder (132) of the tool head (108) and extends at least in sections within the tubular rod (110),
wobei der rohrförmige Stab (110) einen Angriffsbereich (208) umfasst, an welchem ein Benutzer in einem Schleifbetrieb der Schleifmaschine (100) angreift, d a d u r c h g e k e n n z e i c h n e t, dass ein Schwerpunkt (252) der handgehaltenen Schleifmaschine (100) innerhalb des rohrförmigen Stabs (110) angeordnet ist, wherein the tubular rod (110) comprises an engagement region (208) on which a user engages in a grinding operation of the grinding machine (100), characterized in that a center of gravity (252) of the handheld grinding machine (100) is disposed within the tubular rod (110) is
wobei ein Schwerpunkt (248) des Antriebsmotors (104) und ein Schwerpunkt (250) des Werkzeugkopfes (108) auf einander gegenüberliegenden Seiten (244; 246) einer Längsachse (194) des rohrförmigen Stabs (110) liegen. wherein a center of gravity (248) of the drive motor (104) and a center of gravity (250) of the tool head (108) lie on opposite sides (244; 246) of a longitudinal axis (194) of the tubular rod (110).
GEÄNDERTES BLATT (ARTIKEL 19)
76 MODIFIED SHEET (ARTICLE 19) 76
2. Handgehaltene Schleifmaschine (100) nach Anspruch 1, dadurch 2. Hand-held grinding machine (100) according to claim 1, characterized
gekennzeichnet, dass eine Motorwellendrehachse (202) des Antriebsmotors (104) im Wesentlichen parallel zu der Längsachse (194) des rohrförmigen Stabs (110) ausgerichtet ist. characterized in that a motor shaft rotation axis (202) of the drive motor (104) is oriented substantially parallel to the longitudinal axis (194) of the tubular rod (110).
3. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Längsachse (194) des rohrförmigen Stabs (110) eine Längsachse (286), eine Symmetrieachse (198) und/oder eine Mittelachse (196) eines zentralen Abschnitts (288) des rohrförmigen Stabs (110) zwischen dem Antriebsmotor (104) und dem Werkzeugkopf (108) ist. 3. Hand-held grinding machine (100) according to one of claims 1 or 2, characterized in that the longitudinal axis (194) of the tubular rod (110) has a longitudinal axis (286), an axis of symmetry (198) and / or a central axis (196) of a central portion (288) of the tubular rod (110) between the drive motor (104) and the tool head (108).
4. Handgehaltene Schleifmaschine (100) nach Anspruch 3, dadurch 4. Hand-held grinding machine (100) according to claim 3, characterized
gekennzeichnet, dass die Längsachse (194) des rohrförmigen Stabs (110) eine Längsachse (286), eine Symmetrieachse (198) und/oder eine Mittelachse (196) eines zentralen linearen Abschnitts (288) des rohrförmigen Stabs (110) zwischen dem Antriebsmotor (104) und dem Werkzeugkopf (108) ist. characterized in that the longitudinal axis (194) of the tubular rod (110) has a longitudinal axis (286), an axis of symmetry (198) and / or a central axis (196) of a central linear portion (288) of the tubular rod (110) between the drive motor (110). 104) and the tool head (108).
5. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Längsachse (194) des rohrförmigen Stabs (110) eine Längsachse (194) eines Angriffsbereichs (208) des rohrförmigen Stabs (110) ist, an welchem ein Benutzer in einem Schleifbetrieb der Schleifmaschine (100) angreift. Hand-held grinding machine (100) according to one of claims 1 to 4, characterized in that the longitudinal axis (194) of the tubular rod (110) is a longitudinal axis (194) of an engagement region (208) of the tubular rod (110) on which a user in a grinding operation of the grinding machine (100) attacks.
6. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der rohrförmige Stab (110) ein oder mehrere Führungselemente (270) zur Führung der Übertragungswelle (130) umfasst. 6. Hand-held grinding machine (100) according to one of claims 1 to 5, characterized in that the tubular rod (110) comprises one or more guide elements (270) for guiding the transmission shaft (130).
7. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eine Motorwelle (212) des Antriebsmotors 7. Hand-held grinding machine (100) according to one of claims 1 to 6, characterized in that a motor shaft (212) of the drive motor
GEÄNDERTES BLATT (ARTIKEL 19)
77 MODIFIED SHEET (ARTICLE 19) 77
(104) und ein dem Antriebsmotor (104) zugewandtes Ende (276) der Übertragungswelle (130) bezüglich einer senkrecht zur Längsachse (194) des rohrförmigen Stabs (110) verlaufenden Richtung und/oder bezüglich einer parallel zur Längsachse (194) des rohrförmigen Stabs (110) verlaufenden Richtung versetzt zueinander angeordnet sind. (104) and an end (276) of the transfer shaft (130) facing the drive motor (104) with respect to a direction perpendicular to the longitudinal axis (194) of the tubular rod (110) and / or parallel to the longitudinal axis (194) of the tubular rod (110) extending direction are arranged offset from one another.
8. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine Motorwellendrehachse (202), eine Drehachse (278) eines dem Antriebsmotor (104) zugewandten Endes (276) der Übertragungswelle (130) und/oder eine Drehachse eines im Angriffsbereich (208) des rohrförmigen Stabs (110) verlaufenden Abschnitts der Übertragungswelle (130) zumindest näherungsweise parallel zueinander verlaufen. 8. hand-held grinding machine (100) according to one of claims 1 to 7, characterized in that a motor shaft rotational axis (202), an axis of rotation (278) of the drive motor (104) facing the end (276) of the transmission shaft (130) and / or a Rotary axis of the attack area (208) of the tubular rod (110) extending portion of the transmission shaft (130) at least approximately parallel to each other.
9. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass eine Motorwellendrehachse (202), eine Drehachse (278) eines dem Antriebsmotor (104) zugewandten Endes (144) der Übertragungswelle (130) und/oder eine Drehachse eines im Angriffsbereich (208) des rohrförmigen Stabs (110) verlaufenden 9. hand-held grinding machine (100) according to one of claims 1 to 8, characterized in that a motor shaft rotational axis (202), an axis of rotation (278) of the drive motor (104) facing the end (144) of the transmission shaft (130) and / or a An axis of rotation of an attack area (208) of the tubular rod (110) extending
Abschnitts der Übertragungswelle (130) bezüglich einer senkrecht zur Längsachse (194) des rohrförmigen Stabs (110) verlaufenden Richtung versetzt zueinander angeordnet sind. Section of the transmission shaft (130) with respect to a direction perpendicular to the longitudinal axis (194) of the tubular rod (110) extending direction offset from each other.
10. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Antriebsmotor (104) und die Übertragungswelle (130) mittels einer Versatzvorrichtung (240) miteinander verbunden sind, mittels welcher eine Drehbewegung einer Motorwelle (212) des Antriebsmotors (104) auf ein versetzt zu der Motorwelle (212) angeordnetes, dem Antriebsmotor (104) zugewandtes Ende (276) der Übertragungswelle (130) übertragbar ist. 10. Hand-held grinding machine (100) according to one of claims 1 to 9, characterized in that the drive motor (104) and the transmission shaft (130) by means of an offset device (240) are interconnected by means of which a rotational movement of a motor shaft (212) of the Drive motor (104) on a staggered to the motor shaft (212) arranged, the drive motor (104) facing the end (276) of the transmission shaft (130) is transferable.
GEÄNDERTES BLATT (ARTIKEL 19)
78 MODIFIED SHEET (ARTICLE 19) 78
11. Handgehaltene Schleifmaschine (100) nach Anspruch 10, dadurch 11. Hand-held grinding machine (100) according to claim 10, characterized
gekennzeichnet, dass die Versatzvorrichtung (240) eine Zahnradvorrichtung (256) zur Übertragung der Drehbewegung umfasst. characterized in that the offset device (240) comprises a gear device (256) for transmitting the rotational movement.
12. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 10 oder 11, dadurch gekennzeichnet, dass die Versatzvorrichtung (240) eine Zahnriemenvorrichtung (254) zur Übertragung der Drehbewegung umfasst. 12. Hand-held grinding machine (100) according to any one of claims 10 or 11, characterized in that the offset device (240) comprises a toothed belt device (254) for transmitting the rotational movement.
13. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis13. Hand-held grinding machine (100) according to one of claims 1 to
12, dadurch gekennzeichnet, dass eine Motorwelle (212) des Antriebsmotors (104) und ein dem Antriebsmotor (104) zugewandtes Ende (276) der Übertragungswelle (130) zumindest näherungsweise koaxial zueinander angeordnet sind. 12, characterized in that a motor shaft (212) of the drive motor (104) and the drive motor (104) facing the end (276) of the transmission shaft (130) are at least approximately coaxial with each other.
14. Handgehaltene Schleifmaschine (100) nach einem der Ansprüche 1 bis14. Hand-held grinding machine (100) according to one of claims 1 to
13, dadurch gekennzeichnet, dass eine Motorwelle (212) des Antriebsmotors (104) und ein im Angriffsbereich (208) des rohrförmigen Stabs (110) verlaufender Abschnitt der Übertragungswelle (130) bezüglich einer senkrecht zur Längsachse (194) des rohrförmigen Stabs (110) verlaufenden Richtung versetzt zueinander angeordnet sind. 13, characterized in that a motor shaft (212) of the drive motor (104) and a portion of the transmission shaft (130) extending in the engagement region (208) of the tubular rod (110) are perpendicular to the longitudinal axis (194) of the tubular rod (110). extending direction offset from each other.
15. Handgehaltene Schleifmaschine (100) nach Anspruch 14, dadurch 15. Hand-held grinding machine (100) according to claim 14, characterized
gekennzeichnet, dass die Motorwelle (212) des Antriebsmotors (104) und der im Angriffsbereich (208) des rohrförmigen Stabs (110) verlaufende Abschnitt der Übertragungswelle (130) mittels eines flexiblen Abschnitts der Übertragungswelle (130) miteinander verbunden sind. characterized in that the motor shaft (212) of the drive motor (104) and the portion of the transmission shaft (130) extending in the engagement region (208) of the tubular rod (110) are interconnected by means of a flexible portion of the transmission shaft (130).
* * * * * *
GEÄNDERTES BLATT (ARTIKEL 19)
MODIFIED SHEET (ARTICLE 19)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13802334.6A EP2928643B1 (en) | 2012-12-07 | 2013-12-04 | Hand-held grinding machine |
CA2890230A CA2890230A1 (en) | 2012-12-07 | 2013-12-04 | Handheld abrading machine |
CN201380059393.7A CN104781044B (en) | 2012-12-07 | 2013-12-04 | Hand held grinder |
US14/705,484 US20150231755A1 (en) | 2012-12-07 | 2015-05-06 | Handheld abrading machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012111990.2A DE102012111990A1 (en) | 2012-12-07 | 2012-12-07 | Hand held grinding machine |
DE102012111990.2 | 2012-12-07 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/705,484 Continuation US20150231755A1 (en) | 2012-12-07 | 2015-05-06 | Handheld abrading machine |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014086876A1 WO2014086876A1 (en) | 2014-06-12 |
WO2014086876A4 true WO2014086876A4 (en) | 2014-09-04 |
Family
ID=49726759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/075556 WO2014086876A1 (en) | 2012-12-07 | 2013-12-04 | Hand-held grinding machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150231755A1 (en) |
EP (1) | EP2928643B1 (en) |
CN (1) | CN104781044B (en) |
CA (1) | CA2890230A1 (en) |
DE (1) | DE102012111990A1 (en) |
WO (1) | WO2014086876A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012111987A1 (en) * | 2012-12-07 | 2014-06-12 | Flex-Elektrowerkzeuge Gmbh | Hand held grinding machine |
DE102012111989A1 (en) | 2012-12-07 | 2014-06-12 | Flex-Elektrowerkzeuge Gmbh | Hand held grinding machine |
US20140369019A1 (en) * | 2013-06-13 | 2014-12-18 | William J. Sabia | Power tool operating device |
DE102013213271A1 (en) * | 2013-07-05 | 2015-01-08 | Flex-Elektrowerkzeuge Gmbh | Hand held grinding machine |
DE202014104588U1 (en) | 2014-09-25 | 2014-10-14 | Metabowerke Gmbh | Machine tool and support structure for this |
DE102014113881A1 (en) | 2014-09-25 | 2016-03-31 | Metabowerke Gmbh | Machine tool and support structure for this |
CN105643380A (en) * | 2016-01-25 | 2016-06-08 | 赵济彦 | Dustproof abrasive paper support with detachable dustproof cover |
JP2019130643A (en) * | 2018-02-01 | 2019-08-08 | 株式会社マキタ | Long rod type polishing machine |
EP3812089A1 (en) | 2019-10-23 | 2021-04-28 | Black & Decker Inc. | Pole sander |
DE102020215737A1 (en) | 2020-12-11 | 2022-06-15 | Flex-Elektrowerkzeuge Gmbh | machine tool |
US11867224B2 (en) | 2021-01-27 | 2024-01-09 | Black & Decker Inc. | Locking mechanism for two telescoping poles of a power tool |
CN115464494B (en) * | 2022-09-27 | 2023-08-18 | 吉野智能设备南通有限公司 | Automatic grinding device of cylinder body burr |
Family Cites Families (17)
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US3826045A (en) * | 1973-09-14 | 1974-07-30 | Nat Detroit Inc | Abrading machine with dust collecting unit |
SU621551A2 (en) * | 1976-06-03 | 1978-08-30 | Одесское специальное конструкторское бюро специальных станков | Suspended roughing-grinding machine |
US4286675A (en) * | 1979-06-25 | 1981-09-01 | Beaird-Poulan Division Of Emerson Electric Co. | Narrow profile power handle for line trimmer and the like |
US4782632A (en) * | 1987-10-01 | 1988-11-08 | William Matechuk | Drywall sander |
US5239783A (en) * | 1991-08-20 | 1993-08-31 | William Matechuk | Drywall sander |
US5545080A (en) * | 1995-02-16 | 1996-08-13 | Porter-Cable Corporation | Motorized sander having a sanding head mounted by a pivotal joint |
JP2000233355A (en) * | 1999-02-10 | 2000-08-29 | Ryobi Ltd | Sander |
US7220174B2 (en) * | 2004-09-29 | 2007-05-22 | Black & Decker Inc. | Drywall sander |
DE102005021153A1 (en) * | 2005-05-02 | 2006-11-09 | Flex-Elektrowerkzeuge Gmbh | Hand-held grinding machine and tool holding device |
CN1903508A (en) * | 2006-08-07 | 2007-01-31 | 成都市昊鑫商贸发展有限公司 | Portable and dust-sucking type wall surface electric abrasive finishing machine |
EP2089185B1 (en) * | 2006-09-12 | 2016-10-26 | Black & Decker, Inc. | Sanding tool with pivotally coupled head assembly |
US8206200B2 (en) * | 2006-09-27 | 2012-06-26 | D & S Stott Pty Ltd | Extension pole apparatus for sander |
US7828631B1 (en) * | 2007-07-24 | 2010-11-09 | Gary Lynn Herbert | Drywall power vacuum sander |
DE102008007520B4 (en) * | 2008-02-01 | 2013-03-28 | Rolf Kammerer | Surface working apparatus |
DE102008042601A1 (en) * | 2008-10-03 | 2010-04-08 | Hilti Aktiengesellschaft | Battery powered angle grinder |
DE102008063508A1 (en) * | 2008-12-10 | 2010-06-17 | Flex-Elektrowerkzeuge Gmbh | Hand held cleaning / grinding machine |
DE202009001437U1 (en) * | 2009-01-29 | 2010-07-01 | C. & E. Fein Gmbh | Powered hand tool |
-
2012
- 2012-12-07 DE DE102012111990.2A patent/DE102012111990A1/en not_active Withdrawn
-
2013
- 2013-12-04 CN CN201380059393.7A patent/CN104781044B/en not_active Expired - Fee Related
- 2013-12-04 CA CA2890230A patent/CA2890230A1/en not_active Abandoned
- 2013-12-04 WO PCT/EP2013/075556 patent/WO2014086876A1/en active Application Filing
- 2013-12-04 EP EP13802334.6A patent/EP2928643B1/en active Active
-
2015
- 2015-05-06 US US14/705,484 patent/US20150231755A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2928643B1 (en) | 2019-05-01 |
US20150231755A1 (en) | 2015-08-20 |
CN104781044B (en) | 2017-07-28 |
WO2014086876A1 (en) | 2014-06-12 |
EP2928643A1 (en) | 2015-10-14 |
CA2890230A1 (en) | 2014-06-12 |
DE102012111990A1 (en) | 2014-06-12 |
CN104781044A (en) | 2015-07-15 |
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