[특허]Vibration reduction apparatus for power tool and power tool incorporating such apparatus

[미국특허] Vibration reduction apparatus for power tool and power tool incorporating such apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25D-017/24 B25D-017/00
출원번호	US-0981179 (2004-11-04)
등록번호	US-7472760 (2009-01-06)
우선권정보	GB-0325638.5(2003-11-04)
발명자 / 주소	Stirm,Michael Becht,Reimund Hahn,Norbert
출원인 / 주소	Black & Decker Inc.
대리인 / 주소	Markow,Scott B.
인용정보	피인용 횟수 : 7 인용 특허 : 28

초록 ▼

A power hammer has a handle mounted to a housing and capable of limited movement relative thereto. A hollow axle is attached to the housing and is rotatable between a first and second position and is biased towards the first position by a torsional spring which extends within the axle. Rotation of the axle causes rotation of arms connected thereto. Connectors are slidably mounted within guides and are respectively connected at one end to each of the arms and at the other end to the handle. Vibrations in the housing cause movement of one end of the handle, which causes movement of the associated connector and arm. Movement of the one arm causes rotation of the axle, which therefore causes movement of the other arm and connector, and the other end of the handle. Thus, the movement of one end of the handle is coupled to the other end.

대표청구항 ▼

The invention claimed is: 1. A handle assembly for a power tool, the assembly comprising: a handle adapted to be held by a user of the power tool and mounted to a housing of the power tool such that the handle is capable of movement relative to the housing; an axle connected to the housing and rotatable relative to the housing between a first position and a second position, said axle including a hollow portion; a torsional biasing element for urging said axle towards said first position, said torsional biasing element at least partially located in said hollow portion of said axle; and an arm connected to said handle and adapted to pivot with said axle, wherein movement of said handle relative to said housing along at least one axis causes rotation of said axle relative to the housing. 2. An assembly according to claim 1, further comprising a connector connected between said handle and said arm for converting rotational movement of the arm into substantially linear movement of said handle. 3. An assembly according to claim 2, further comprising a guide connected to the housing and the connector is slidably mounted in the guide. 4. An assembly according to claim 1, wherein the axis of rotation of the axle is substantially parallel to a major dimension of the handle. 5. An assembly according to claim 2, wherein said connector is a first connector attached adjacent a first end of said handle, and the assembly further comprises a second connector attached adjacent a second end of said handle. 6. An assembly according to claim 1, further comprising adjustment means for adjusting the biasing force of said biasing element. 7. An assembly according to claim 6, wherein said adjustment means is adapted to adjust said biasing force in said biasing element by moving and fixing a portion of said biasing element relative to said housing. 8. An assembly according to claim 6, wherein said adjustment means comprises at least one cam adapted to rotate about a respective first axis to move and fix a portion of said biasing element relative to said housing. 9. An assembly according to claim 8, wherein rotation of said cam about the first axis causes movement of a portion of said biasing element in a direction substantially parallel to the axis of rotation of the cam. 10. A power tool comprising: a housing; a motor in the housing for actuating a working member of the tool; and a handle assembly including: a handle adapted to be held by a user of the power tool and mounted to a housing of the power tool such that the handle is capable of movement relative to the housing; an axle connected to the housing and rotatable relative to the housing between a first position and a second position, said axle including a hollow portion; a torsional biasing element for urging said axle towards said first position, said torsional biasing element at least partially located in said hollow portion of said axle; and an arm connected to said handle and adapted to pivot with said axle, wherein movement of said handle relative to said housing along at least one axis causes rotation of said axle relative to the housing. 11. A power tool according to claim 10, further comprising a connector connected between said handle and said arm for converting rotational movement of the arm into substantially linear movement of said handle. 12. A power tool according to claim 10, further comprising a guide connected to the housing and the connector is slidably mounted in the guide. 13. A power tool according to claim 10, wherein the axis of rotation of the axle is substantially parallel to a major dimension of the handle. 14. A power tool according to claim 11, wherein said connector is a first connector attached adjacent a first end of said handle, and the assembly further comprises a second connector attached adjacent a second end of said handle. 15. A power tool according to claim 10, further comprising adjustment means for adjusting the biasing force of said biasing element. 16. A power tool according to claim 15, wherein said adjustment means comprises at least one cam adapted to rotate about a respective first axis to move and fix a portion of said biasing element relative to said housing.

이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

Keller Michael (Nrtingen DEX), Damping element, and its installation in a motor-driven hand tool.
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Keller Michael (Nrtingen DEX), Damping element, and its installation in a motor-driven hand tool.
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Frauhammer, Karl; Schnerring, Heinz, Electric combination hammer-drill.
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Steffen Michael,DEX, Electric tool with ducted cooled control electronics.
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Weilenmann Walter (Schaanwald LIX) Frick Nikolaus (Schaan LIX) Hirt Peter (Crans-Pres-Celigny CHX), Hammer drill or chipping hammer.
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Greppmair Martin (Munich DEX), Hammer having a protective cover.
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Meixner,Gerhard; Jeannin,Pierre; Maillard,Patrick, Hand tool machine comprising a vibration-dampened handle.
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Greppmair Martin (Munich DEX), Hand-guided impact hammer and hammer drill.
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Meixner,Gerhard, Hand-held machine tool with vibration-damped handle.
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Gantner Gebhard (Nenzing ATX), Hand-held tool with displaceable spring loaded handle.
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Blaas Karl (Buchs CHX) Nipp Hansjorg (Mauren LIX), Hand-held tool with vibration dampening.
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Meixner, Gerhard; Zirn, Oliver; Schneider, Egbert, Manual machine tool.
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Jochen Kramer DE; Andreas Ehrmann DE; Heinz Hettmann DE; Andreas Schneider DE, Manually guided implement, having vibration-dampened handle.
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Berger Rudolf,DEX ; Maurer Thomas,DEX, Percussion drill and/or jack hammer with handle spring-buffered against the hammer housing.
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Henriksson Stig Roland,SEX ; Nilsson .ANG.ke Lennart,SEX, Pneumatic impact tool having an integrally formed one-piece housing.
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Radle Patrick J. (Glendale WI) Zeiler Jeffrey M. (Pewaukee WI) Richards Daryl S. (Sussex WI), Power tool with vibration isolated handle.
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Kamlesh Bhagwanbhai Prajapati CA; Petrus Albertus Jozef Hes ZA, Rock drill handle.
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Frauhammer, Karl; Meixner, Gerhard; Strasser, Andreas, Supplemental handle.
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Helmut Zimmermann DE; Horst Otterbach DE; Bernhard Durr DE; Manfred Rabis DE; Karl-Heinz Klopfer DE; Klaus Martin Uhl DE; Gunter Wolf DE; Rebekka Helfen DE, Vibration damper.
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Hansson Gunnar C. (Stockholm SEX), Vibration insulating handle.
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Minamidate Makoto (Miura JPX), Vibration insulation device for handle of vibratory machine.
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Kubokawa Masaharu (11-8 ; Minaminagasaki 3-chome Toshima-ku ; Tokyo JPX), Vibration prevention handle for a vibration device.
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Keller Michael (Nrtingen DEX) Bunz Uwe (Wolfschlugen DEX), Vibration-cushioned handle.
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Harada Mutsuo (Hitachinaka JPX) Yahagi Akihisa (Hitachinaka JPX), Vibration-damping structure for electric hammer.
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Sekizawa Masaaki (Katsuta JPX) Sasaki Yasuo (Katsuta JPX), Vibratory tool with a vibration proof mechanism for the handle thereof.
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Cox William Edward (Great Missenden EN) Lee Frank James (Okehampton EN), Vibratory tools.
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Ohtsu Shinki (Ibaraki JPX), Vibroisolating handle joint structure for power tool.
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Kramp Edith,DEX ; Berger Rudolf,DEX ; Maurer Thomas,DEX, Working tool which can be guided in a grab handle.
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이 특허를 인용한 특허 (7) 인용/피인용 타임라인 분석

Robieu, Thomas, Portable hand-guided power tool.
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Eisenhardt, Armin; Fahrner, Horst, Portable power tool.
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Gregorich, Brent, Power tool including an anti-vibration handle.
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Wyler, Andrew R.; Ebner, Jeremy R., Rotary hammer.
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Wyler, Andrew R.; Ebner, Jeremy R., Rotary hammer.
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Wyler, Andrew R., Rotary hammer with vibration dampening.
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Stirm, Michael; Becht, Reimund; Hahn, Norbert, Vibration reduction apparatus for power tool and power tool incorporating such apparatus.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Vibration reduction apparatus for power tool and power tool incorporating such apparatus 원문보기

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[미국특허] Vibration reduction apparatus for power tool and power tool incorporating such apparatus 원문보기

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이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (7) 인용/피인용 타임라인 분석

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