[특허]Hammer tool

[미국특허] Hammer tool 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25D-011/10
출원번호	US-0532585 (1983-09-15)
우선권정보	SE-0005436 (1982-09-22)
발명자 / 주소	Ragnmark Karl-Gran B. (Kalmar SEX)
출원인 / 주소	Atlas Copco Aktiebolag (Nacka SEX 03)
인용정보	피인용 횟수 : 23 인용 특허 : 5

초록 ▼

A hammer tool with a drive motor (16) and a hammer mechanism (35), the hammer mechanism including a drive piston (38) reciprocably movable in a cylinder (34) for driving a hammer piston (39) towards a working tool (13) releasably coupled to the front end of the hammer tool. The hammer tool comprises a changeable motor section (11) containing the drive motor (16) with a motor shaft (19) connected to a first part of a coupling device (50) and a hammer section (12) containing the hammer mechanism (35). The hammer mechanism comprises bevel gears (46, 47) for transmitting drive force from an input drive shaft (45) to the drive piston (38). The input drive shaft is connected to a second part of the coupling device (50) in which a flywheel (48) is incorporated. The parts of the coupling device and the flywheel are adapted to each other for providing a power transmission from the drive motor shaft (19) to the input drive shaft ( 45) of the hammer mechanism when the two sections (11, 12) are connected, thus enabling easy changing of the drive motor.

대표청구항 ▼

A hand held hammer tool comprising: a drive motor (16); a hammer mechanism (35) including a hammer piston (39), and a drive piston (38) reciprocably movable in a hammer cylinder (34) for driving said hammer piston (39) by means of an intermediate air cushion (70) towards a working tool (13) which is releasably coupled to the front end of the hammer tool, said hammer cylinder (34) having an axis (77); a motor section (11) including said drive motor (16), which motor section is readily interchangeable as a unit in said hammer tool, said drive motor having a shaft (19) having an axis (78) which is substantially aligned with the axis (77) of said hammer cylinder (34); coupling means (50) including a first part (27, 81) and a second part (49); said first part (27, 81) of said coupling means (50) being incorporated in said motor section (11) and said motor shaft (19) of said drive motor (16) being connected to said first part (27, 81) of said coupling means (50); a hammer section (12) including said hammer mechanism (35), said hammer section further comprising a rotatably driven input drive shaft (45) substantially aligned with the axis (77) of said hammer cylinder (34), said second part (49) of said coupling means (50) connected to said input drive shaft (45) for driving thereof, bevel gears (46, 47) coupled to said input drive shaft (45) and crank means between said bevel gears (46, 47) and said drive piston of said hammer mechanism for transmitting a drive force from said rotatably driven input drive shaft (45) to said drive piston (38); means (24) for selectively and removably connecting said motor section (11) to said hammer section (12) such that said first and second parts of said coupling means (50) engage each other; and a flywheel (48) in said hammer section (12), incorporating said second part (49) of said coupling means (50) and thereby being mounted on said input drive shaft (45) and constrained to remain in said hammer section (12) when said motor section (11) is disconnected from said hammer section (12), said coupling parts (27, 81; 49) being adapted to each other for providing power transmission from said drive motor (16) through said input drive shaft (45), gears (46, 47) and crank means to said hammer mechanism when said motor section (11) and hammer section (12) are connected together while at the same time driving said flywheel (48) at the same speed as said input drive shaft (45), said flywheel (48) being adapted to make more uniform, over the revolution cycle of said crank means, a rotary load on said input drive shaft when said hammer mechanism is in operation and thereby to facilitate the operation of said hammer tool with a variety of interchangeable motor sections in which different kinds of motors may be installed.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Kossek Gnter (Gechingen DEX) Emmerich Heinz (Bblingen DEX), Hand-held power tool with a combustion motor.
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Ross ; Frederick W., Impact device with multiple connecting rods and gearing.
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Brannstrom Kurt Osten (Saltsjo-Boo SW), Method and device for damping the movement of a hammer piston.
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Shotwell Daniel B. (Washington IL), Pneumatic percussion tool having a vibration dampened handle.
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Kabele Walter A. (Piqua OH), Splined shaft driving arrangement.
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이 특허를 인용한 특허 (23) 인용/피인용 타임라인 분석

Panasik, Cheryl L., Cordless fastener tool with fastener driving and rotating functions.
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Faatz,Heinz Werner; Staas,Ernst; Stanke,Thomas; Wache, legal representative,Rosi; Wache, deceased,Robert, Drilling and/or hammering tool.
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Kristen Ferdinand,DEX ; Manschitz Erwin,DEX, Electric tool.
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Kato Tetsuya,JPX, Engine-driven breaker.
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Brennenstuhl, Jens; Windsheimer, Ralf; Roehm, Heiko, Hand-held power tool.
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Gustafsson Lennart K. R. (Kalmar SEX) Jakobsson Stefan G. (Kalmar SEX), Handle for machine driven breaker tool.
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Wrede, Stefan; Kruse, Chrisof, Hydraulic control system for drilling systems.
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Myrhum, Jr., James O.; Thorson, Troy C.; Ebner, Jeremy R.; Kehoe, Sean T.; Ellice, Joseph H.; Holly, Jeffrey S., Hydraulic hand-held knockout punch driver.
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Myrhum, Jr., James O.; Thorson, Troy C.; Ebner, Jeremy R.; Kehoe, Sean T.; Ellice, Joseph H.; Holly, Jeffrey S., Hydraulic hand-held knockout punch driver.
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Christopher A. Bode ; Anthony J. Toprac, Method for identifying and controlling impact of ambient conditions on photolithography processes.
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Wrede, Stefan; Kruse, Christof, Methods of controlling hydraulic motors.
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Wrede, Stefan; Kruse, Christof, Methods of controllling hydraulic motors.
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Zemlok, Michael A.; Moore, Keith; Van Wambeke, Weston J., Modular power tool.
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Zemlok, Michael A.; Moore, Keith; Van Wambeke, Weston J., Modular power tool.
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Zemlok, Michael A.; Moore, Keith; Van Wambeke, Weston J., Modular power tool.
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Kruse, Christof; Wrede, Stefan; Wahl, Hans-Juergen, Modular rotary drill head.
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Kruse, Christof; Wrede, Stefan; Wahl, Hans-Juergen, Modular rotary drill head.
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Artmann, Konrad; Augustin, Johann; Mayr, Martin; Richter, Martin, Percussive striking electric tool device.
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Rees, Samuel Ryan; Wade, John R., Power take off coupling etc.
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Arich, Klaus-Dieter; Benner, Erhard; Droste, Manfred; Nemetz, Uwe; Soika, Martin; Kunz, Michael, Power tool cooling.
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Arich,Klaus Dieter; Benner,Erhard; Droste,Manfred; Nemetz,Uwe; Soika,Martin; Kunz,Michael, Power tool housing.
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Sedmak, Daniel D., Power-assisted garden tools.
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Baba, Norikazu; Ohmori, Yasuki; Hirai, Shouichi, Screw driving machine having combustion-type power mechanism and electric power mechanism.
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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] Hammer tool 원문보기