[특허]Modified electrical motor driven nail gun

Tricord Solutions, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Modified electrical motor driven nail gun

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25C-001/06
미국특허분류(USC)	227/131; 227/002; 227/120; 227/132; 173/124; 173/205
출원번호	US-0426149 (2003-04-29)
발명자 / 주소	Pedicini, Christopher S. Witzigreuter, John D.
출원인 / 주소	Tricord Solutions, Inc.
대리인 / 주소	Moore Ingram Johnson & Steele, LLP
인용정보	피인용 횟수 : 24 인용 특허 : 16

초록
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A portable electric nailing gun operating from a power source. The motor accelerates a flywheel which at the appropriate energy state is coupled through a mechanism to an anvil acting directly on the nail. The motor accelerates a flywheel that is then clutched to the output anvil causing the nail to be driven. The position of the output anvil is sensed and once the nail is driven, the motor is dynamically braked reducing the excess energy in the flywheel. This method uses a highly responsive motor and power source which enables the motor to come up to sp...

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청구항
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1. An apparatus for driving a fastener into a material comprising:a power source;a motor;means for coupling said power source to said motor for the purpose of directing power from the power source to the motor;a kinetic energy storing mechanism;means for coupling said motor to said kinetic energy storing mechanism to allow the motor to supply and transfer energy to said kinetic energy storing mechanism;a clutching mechanism;means for engaging said clutching mechanism with said kinetic energy storing mechanism;a fastener driving device comprising a slider crank mechanism coupled to said clutching mechanism;means for transferring energy from said kinetic energy storing mechanism to said fastener driving device;a fastener;means for bringing the fastener driving device into contact with said fastener to drive said fastener into a substrate material; andmeans for returning and biasing fastener driving device at top dead center. 2. The apparatus according to claim 1, further comprising a braking mechanism coupled to the control circuitry device and the kinetic energy storing mechanism. 3. The apparatus according to claim 1, further comprising a means for detecting the position of the fastener driving device. 4. An apparatus for driving a fastener into a material comprising:a power source;a motor;means for coupling said power source to said motor for the purpose of directing power from the power source to the motor;a kinetic energy storing mechanism;means for coupling said motor to said kinetic energy storing mechanism to allow the motor to supply and transfer energy to said kinetic energy storing mechanism;a clutching mechanism;means for engaging said clutching mechanism with said kinetic energy storing mechanism;a fastener driving device coupled to said clutching mechanism;means for transferring energy from said kinetic energy storing mechanism to said fastener driving device;a fastener;means for bringing the fastener driving device into contact with said fastener to drive said fastener into a substrate material;a means for detecting the position of the fastener driving device. 5. The apparatus according to claim 4, further comprising a braking mechanism coupled to the motor and the kinetic energy storing mechanism. 6. The apparatus according to claim 4, wherein said fastener driving device is a slider crank mechanism. 7. The apparatus according to claim 1 or 4, in which transfer of power from said power source to said motor is characterized by a resistance of less than 14 milliohms per applied volt. 8. The apparatus according to claim 7, wherein the power source is coupled with a stiffening capacitor that is in parallel with said power source, wherein said capacitor has a capacitance of at least 0.1 farads. 9. The apparatus according to claim 2 or 5, in which the braking mechanism uses a means of dynamic braking from the motor to dissipate excess energy remaining in the kinetic energy storage mechanism after the fastener has been driven. 10. The apparatus according to claim 9, wherein at least a portion of the energy removed during dynamic braking is used to recharge the power source. 11. The apparatus according to claim 1 or 4, in which the axis of the motor and the axis of the kinetic energy storage device are in parallel to minimize reaction forces on startup. 12. The apparatus according to claim 1 or 4, in which the motor is coupled to said kinetic energy storage mechanism through a reduction means of between 1.5:1 to 10:1. 13. The apparatus according to claim 1 or 4, wherein the clutching mechanism engages the kinetic energy storing mechanism after a predetermined amount of energy is stored in the kinetic energy storage mechanism. 14. The apparatus according to claim 1 or 4, wherein the clutching mechanism is a mechanical asynchronous lockup clutch which positively engages and disengages the fastener driving device. 15. The apparatus according to claim 1 or 4, wherein the motor stops adding additional energy to the kinetic e nergy storing mechanism after a predetermined amount of energy is stored in the kinetic energy storage mechanism. 16. The apparatus according to claim 1 or 4, wherein the clutching mechanism is an electrical lockup clutch which positively engages the fastener driving device. 17. The apparatus according to claim 2 or 5, wherein the braking mechanism reduces the energy in the kinetic energy storage device to less than 5 ft-lbs. 18. The apparatus according to claim 2 or 5, further comprising a cycle time for storing energy in the kinetic energy storing mechanism, driving the fastener and braking the excess energy through the braking mechanism, and wherein said cycle time is less than 2 seconds. 19. The apparatus according to claim 18, further comprising a timer and a low power source indicator, wherein said timer measures the cycle time and low power source indicator is activated if said cycle time is not less than 2 seconds. 20. The apparatus according to claim 19, wherein the low power source indicator can only be reset by physically removing and replacing said power source. 21. The apparatus according to claim 3 or 4, wherein the clutching mechanism is controlled in response to the means for detecting the position of the fastener driving device. 22. The apparatus according to claim 3 or 5, wherein the braking mechanism is controlled in response to the means for detecting the position of the fastener driving device. 23. The apparatus according to claim 1 or 4, wherein said power source is coupled to said motor through low impedance switches having a resistance of less than 25 milliohms. 24. An apparatus for driving a fastener into a material comprising:a power source;a motor;means for coupling said power source to said motor for the purpose of directing power from the power source to the motor;a kinetic energy storing mechanism;means for coupling said motor to said kinetic energy storing mechanism to allow the motor to supply energy to said kinetic energy storing mechanism;a mechanical asynchronous lockup clutching mechanism coupled to said kinetic energy storing mechanism;means for engaging said mechanical asynchronous lockup clutching mechanism with said kinetic energy storing mechanism;a fastener driving device coupled to said mechanical asynchronous lockup clutching mechanism;means for transferring energy from said kinetic energy storing mechanism to said fastener driving device;a fastener;means for bringing the fastener driving device into contact with said fastener to drive said fastener into a substrate material. 25. The apparatus according to claim 24, wherein the mechanical asynchronous lockup clutching mechanism engages between 10 to 300 revolutions of the motor.

이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (24)

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특허 상세정보

Modified electrical motor driven nail gun

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (24)

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특허 상세정보

Modified electrical motor driven nail gun

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 (24)

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IPC 상세정보(version : 201201)

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