[특허]Fastener driving tool

Hitachi Koki Co., Ltd.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Fastener driving tool

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25C-001/06
미국특허분류(USC)	227/146; 227/081; 227/129; 227/132; 227/133
출원번호	US-0526787 (2008-03-25)
등록번호	US-8393512 (2013-03-12)
우선권정보	JP-P2007-078977 (2007-03-26)
국제출원번호	PCT/JP2008/056269 (2008-03-25)
§371/§102 date	20090812 (20090812)
국제공개번호	WO2008/123482 (2008-10-16)
발명자 / 주소	Tanimoto, Hideyuki Sakaba, Toshihito Oda, Hiroyuki Nakano, Yoshihiro
출원인 / 주소	Hitachi Koki Co., Ltd.
대리인 / 주소	Antonelli, Terry, Stout & Kraus, LLP.
인용정보	피인용 횟수 : 5 인용 특허 : 21

초록
▼

A fastener driving tool includes a housing, a motor, a plunger, a spring, a drum, and one of a cable and a sheet member. The motor is provided in the housing. The plunger is provided in the housing for impacting a fastener in a fastener driving direction. The spring urges the plunger in the fastener driving direction. The drum is rotatably supported in the housing and is rotationally driven by the motor. The one of a cable and a sheet member is capable of being wound over the drum and has one end fixed to the drum and another end acting on the spring for transmitting a driving force of the motor to the spring. The spring is configured to accumulate a resilient energy therein for impacting the fastener by the plunger. The resilient energy of the spring is accumulated by forcible resilient deformation thereof as a result of winding of the one of the cable and the sheet member over the drum rotationally driven by the motor.

대표
청구항
▼

1. A fastener driving tool comprising: a housing;a motor provided in the housing;a plunger provided in the housing for impacting a fastener in a fastener driving direction;a spring urging the plunger in the fastener driving direction;a drum driven by the motor to rotate around an axis; andone of a cable and a sheet member capable of being wound over the drum and having one end fixed to the drum and another end acting on the spring for transmitting a driving force of the motor to the spring,wherein the spring is configured to accumulate a resilient energy therein for impacting the fastener by the plunger, the resilient energy of the spring being accumulated by forcible resilient deformation thereof as a result of winding of the one of the cable and the sheet member over the drum rotationally driven by the motor. 2. The fastener driving tool according to claim 1, wherein the one of the cable and the sheet member is connected to the plunger, wherein the resilient energy of the spring is accumulated therein as a result of pulling the plunger by the one of the cable and the sheet member. 3. The fastener driving tool according to claim 1, wherein the one of the cable and the sheet member has a bundle of fibers. 4. The fastener driving tool according to claim 3, wherein the fibers are made from metal. 5. The fastener driving tool according to claim 4, wherein the one of the cable and the sheet member has a surface coated with a resin. 6. The fastener driving tool according to claim 1, further comprising a clutch provided between the motor and the drum, the clutch being movable between a transmission position where the driving force of the motor is transmitted to the drum and a shut-off position where transmission of the driving force of the motor to the drum is shut-off. 7. The fastener driving tool according to claim 1, further comprising a power transmission mechanism positioned between the motor and the drum for transmitting a driving force of the motor to the drum, the power transmission mechanism comprising a planetary gear mechanism. 8. The fastener driving tool according to claim 7, wherein the spring has a displacement for accumulating the resilient energy therein, the displacement being less than a circumference length of the drum. 9. A fastener driving tool comprising: a housing;a motor provided in the housing;a plunger provided in the housing for impacting a fastener in a fastener driving direction;a spring urging the plunger in the fastener driving direction;a drum rotatably supported in the housing and rotationally driven by the motor;one of a cable and a sheet member capable of being wound over the drum and having one end fixed to the drum and another end acting on the spring for transmitting a driving force of the motor to the spring; anda clutch provided between the motor and the drum, the clutch being movable between a transmission position where the driving force of the motor is transmitted to the drum and a shut-off position where transmission of the driving force of the motor to the drum is shut-off;wherein the spring is configured to accumulate a resilient energy therein for impacting the fastener by the plunger, the resilient energy of the spring being accumulated by forcible resilient deformation thereof as a result of winding of the one of the cable and the sheet member over the drum rotationally driven by the motor; andwherein the clutch comprises a power transmission pin movable between the transmission position and the shut-off position, the drum and the motor being connected to integrally rotate with each other via the power transmission pin at the transmission position of the power transmission pin. 10. The fastener driving tool according to claim 9, wherein the clutch further comprises a pin guide for guiding movement of the power transmission pin between the transmission position and the shut-off position, the pin guide being configured to guide the movement of the power transmission pin between the transmission position and the shut-off position in accordance with a rotational position of the drum. 11. The fastener driving tool according to claim 9, wherein the clutch further comprises a first member and a second member supporting the first member, the first member contacting the power transmission pin at the transmission position and separating from the power transmission pin at the shut-off position, the first member and the second member being made from materials different from each other. 12. The fastener driving tool according to claim 11, wherein the first member and the second member are connected to the plunger. 13. The fastener driving tool according to claim 11, wherein the second member has a density lower than that of the first member. 14. A fastener driving tool comprising: a housing;a motor provided in the housing;a plunger provided in the housing for impacting a fastener in a fastener driving direction;a spring urging the plunger in the fastener driving direction;a drum rotatably supported in the housing and rotationally driven by the motor;one of a cable and a sheet member capable of being wound over the drum and having one end fixed to the drum and another end acting on the spring for transmitting a driving force of the motor to the spring,a power transmission mechanism positioned between the motor and the drum for transmitting a driving force of the motor to the drum, the power transmission mechanism comprising a planetary gear mechanism;wherein the spring is configured to accumulate a resilient energy therein for impacting the fastener by the plunger, the resilient energy of the spring being accumulated by forcible resilient deformation thereof as a result of winding of the one of the cable and the sheet member over the drum rotationally driven by the motor; andwherein the drum includes a latching portion and the housing includes a latched portion, the latching portion and the latched portion being configured to latch with each other in a state that the drum is positioned at an angular initial rotational position where the drum is about to wind the one of the cable and sheet member. 15. A fastener driving tool comprising: a housing;a motor provided in the housing;a plunger provided in the housing for impacting a fastener in a fastener driving direction;a spring urging the plunger in the fastener driving direction;a drum driven by the motor to rotate around an axis;one of a cable and a sheet member capable of being wound over the drum and having one end fixed to the drum and another end connected to the spring, the spring being configured to accumulate a resilient energy as a result of winding of the one of the cable and the sheet member over the drum; anda clutch selectively transmitting a driving force of the motor to the drum. 16. A fastener driving tool comprising: a housing;a motor provided in the housing;a plunger provided in the housing for impacting a fastener in a fastener driving direction;a drum driven by the motor to rotate around an axis;a cable wound over the drum and having a first portion fixed to the drum and extending in a direction parallel with the fastener driving direction and a second portion connected to the plunger and extending in a direction opposite to the fastener driving direction;a spring disposed around the second portion of the cable and configured to accumulate a resilient energy as a result of winding of the cable over the drum; anda clutch selectively transmitting a driving force of the motor to the drum.

이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 피인용횟수: 5

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특허 상세정보

Fastener driving tool

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이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 피인용횟수: 5

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Fastener driving tool

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이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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