[특허]Hand-held knockout punch driver

[미국특허] Hand-held knockout punch driver 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B26F-001/38 B26F-001/34 B21D-028/34 B26D-005/08 B26F-001/36
출원번호	US-0188022 (2016-06-21)
등록번호	US-10252438 (2019-04-09)
발명자 / 주소	Myrhum, Jr., James O. Thorson, Troy C. Chung, Koon For
출원인 / 주소	MILWAUKEE ELECTRIC TOOL CORPORATION
대리인 / 주소	Michael Best & Friedrich LLP
인용정보	피인용 횟수 : 0 인용 특허 : 80

초록

A hand-held knockout punch driver includes a housing, a motor positioned within the housing, and a head unit removably coupled to the housing. The head unit includes a draw rod to which at least one of a punch or a die is attachable.

대표청구항 ▼

1. A hand-held knockout punch driver comprising: a housing;a motor positioned within the housing;a drive assembly at least partially positioned within the housing and including an output member movable relative to the housing;a head unit including a body,an input member movable relative to the body, anda draw rod that is axially movable relative to the body in response to rotation of the motor to which at least one of a punch or a die is attachable; anda quick-release mechanism for removably coupling the body to the housing, the quick release mechanism including an external collar coupled to one of the housing or the head unit, the collar being graspable from an exterior of the housing or the head unit,wherein the collar defines an internal space in which the output member is at least partially positioned,wherein the collar is axially movable with respect to the output member between a first position in which the body is locked to the housing and a second position in which the body is unlocked and removable from the housing, andwherein the output member is engageable with the input member, and the body is separately coupled to one of the housing or the collar. 2. The hand-held knockout punch driver of claim 1, wherein the body is adjustable relative to the housing in at least one of the first position or the second position of the collar. 3. The hand-held knockout punch driver of claim 2, wherein the drive assembly is positioned between the motor and the head unit. 4. The hand-held knockout punch driver of claim 3, wherein the body, in at least one of the first position or the second position of the collar, is rotatable relative to the housing about a longitudinal axis of the output member. 5. The hand-held knockout punch driver of claim 4, wherein the body is rotatable relative to the housing about the longitudinal axis while the output member is engaged with the input member. 6. The hand-held knockout punch driver of claim 1, wherein the quick-release mechanism includes a plurality of radially inward-extending locking members on one of the housing or the body, anda plurality of radially outward-extending locking members on the other of the housing or the body engageable with the radially inward-extending locking members to lock the body to the housing. 7. The hand-held knockout punch driver of claim 6, wherein adjacent radially outward-extending locking members define a recess therebetween in which at least one of the radially inward-extending locking members is received to lock the body to the housing. 8. The hand-held knockout punch driver of claim 1, wherein the drive assembly is positioned between the motor and the head unit. 9. The hand-held knockout punch driver of claim 8, wherein the output member transfers energy from the drive assembly to the input member of the head unit to impart axial movement to the draw rod. 10. The hand-held knockout punch driver of claim 9, wherein the output member is cylindrical. 11. The hand-held knockout punch driver of claim 9, wherein the output member is at least partially received in the body when the body is coupled to the housing. 12. The hand-held knockout punch driver of claim 11, wherein the body is rotatable relative to the housing about a longitudinal axis of the output member to adjust a position of the draw rod relative to the housing. 13. The hand-held knockout punch driver of claim 12, wherein the draw rod is non-coaxial with the longitudinal axis. 14. The hand-held knockout punch driver of claim 13, wherein the draw rod is transverse to the longitudinal axis. 15. The hand-held knockout punch driver of claim 1, further comprising a power source carried onboard the housing for supplying power to the motor. 16. The hand-held knockout punch driver of claim 15, wherein the power source is a rechargeable battery. 17. The hand-held knockout punch driver of claim 16, wherein the motor is a direct current motor, and wherein the rechargeable battery has a nominal voltage of at least about 18 volts. 18. The hand-held knockout punch driver of claim 1, wherein the head unit includes a contact surface against which one of the punch or the die is abuttable, and wherein the contact surface surrounds the draw rod.

이 특허에 인용된 특허 (80) 인용/피인용 타임라인 분석

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[미국특허] Hand-held knockout punch driver 원문보기

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