IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0475039
(2009-05-29)
|
등록번호 |
US-8096456
(2012-01-17)
|
우선권정보 |
GB-0809868.3 (2008-05-30); GB-0815280.3 (2008-08-22) |
발명자
/ 주소 |
- Kunz, Michael
- Gensmann, Stefan D.
- Rompel, Markus
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
8 |
초록
▼
A fastener driving tool arranged to drive fasteners into a workpiece includes a support, a pair of sub-assemblies movably mounted on the support, each sub-assembly comprising a motor and an associated flywheel, and a nose part retractable relative to the support. The tool is arranged such that, in u
A fastener driving tool arranged to drive fasteners into a workpiece includes a support, a pair of sub-assemblies movably mounted on the support, each sub-assembly comprising a motor and an associated flywheel, and a nose part retractable relative to the support. The tool is arranged such that, in use, when the nose part is retracted, its movement relative to the support mechanically forces the sub-assemblies toward each other. The forcing of the sub-assemblies toward each other by the retraction of the nose part may move the sub-assemblies from an inoperative position to an operative position.
대표청구항
▼
1. A fastener driving tool, comprising: a support;a pair of sub-assemblies movably mounted on the support, each sub-assembly comprising a motor and an associated flywheel;a nose part retractable relative to the support, anda driver arranged to pass between, and to be propelled toward the nose part b
1. A fastener driving tool, comprising: a support;a pair of sub-assemblies movably mounted on the support, each sub-assembly comprising a motor and an associated flywheel;a nose part retractable relative to the support, anda driver arranged to pass between, and to be propelled toward the nose part by, the rotating flywheels in use, to drive a fastener from the tool into a workpiece,wherein the tool is arranged such that, in use, when the nose part is retracted, the nose part movement relative to the support mechanically forces the pair of sub-assemblies toward each other,wherein the pair of sub-assemblies are movably mounted on the support at mounting points that are situated generally between the pair of sub-assemblies. 2. The tool according to claim 1, wherein the forcing of the pair of sub-assemblies toward each other by the retraction of the nose part moves the pair of sub-assemblies from an inoperative position to an operative position. 3. The tool according to claim 1, further comprising a connection mechanism arranged to operate entirely mechanically to interconnect the nose part with the pair of sub-assemblies. 4. The tool according to claim 3, arranged such that the movement of the nose part relative to the support mechanically forces the connection mechanism to mechanically force the pair of sub-assemblies toward each other. 5. The tool according to claim 1, wherein the pair of sub-assemblies is pivotally mounted on the support, and the mechanical forcing of the pair of sub-assemblies toward each other comprises mechanically forcing the pair of sub-assemblies to pivot toward each other. 6. The tool according to claim 5, wherein the pivoting of the pair of sub-assemblies toward each other comprises pivoting of the pair of sub-assemblies with respect to the support in a direction away from the nose part. 7. The tool according to claim 1, arranged such that the pair of sub-assemblies are movably mounted on the support at mounting points that, at least when the nose part has been retracted, are situated closer to the nose part than are the rotational axes of the flywheels. 8. The tool according to claim 1, wherein the pair of sub-assemblies are resiliently biased away from each other. 9. The tool according to claim 8, wherein the pair of sub-assemblies are resiliently biased by means of at least one spring member. 10. The tool according to claim 1, wherein each sub-assembly further comprises a frame to which each sub-assembly motor and flywheel are rotatably mounted. 11. The tool according to claim 10, wherein the mechanical forcing of the pair of sub-assemblies toward each other comprises mechanically forcing the frames toward each other. 12. The tool according to claim 1, wherein the driver includes a ram or impact member as a component thereof, which ram or impact member is arranged to contact a fastener held in the tool, to drive the fastener from the tool into a workpiece. 13. The tool according to claim 1, wherein, when the pair of sub-assemblies is in an inoperative position, the driver is unable to contact and be propelled by the flywheels, and when the pair of sub-assemblies are in an operative position, the driver is able to come into contact with, and be propelled by, the flywheels. 14. The tool according to claim 1, wherein each flywheel comprises a component of an associated motor. 15. The tool according to claim 14, wherein each motor comprises a stator and a rotor, and each flywheel comprises at least part of the rotor of the associated motor. 16. The tool according to claim 15, wherein each motor comprises a brushless motor.
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