IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0427228
(2003-05-01)
|
발명자
/ 주소 |
- Pedicini, Christopher S.
- Witzigreuter, John D.
|
출원인 / 주소 |
|
대리인 / 주소 |
Moore Ingram Johnson & Steele, LLP
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인용정보 |
피인용 횟수 :
11 인용 특허 :
10 |
초록
▼
This invention relates to the design of a pin clutch to allow for coupling of a rotational shaft to an output mechanism in a synchronous fashion. Specifically, this is related to impacting or operations requiring intermittent or semi-intermittent coupling of an input mechanism or shaft to an output
This invention relates to the design of a pin clutch to allow for coupling of a rotational shaft to an output mechanism in a synchronous fashion. Specifically, this is related to impacting or operations requiring intermittent or semi-intermittent coupling of an input mechanism or shaft to an output mechanism or shaft. Devices of this nature include fastening tools, throwing mechanisms and other devices in which input energy is built up during a portion of a cycle followed by the coupling and release of that energy to an output mechanism.
대표청구항
▼
1. A synchronous clutch comprised of:an input shaft;a cam pinion connected to said input shaft, wherein said cam pinion rotates with said input shaft;a drive pinion connected to said input shaft, wherein said drive pinion rotates with said input shaft;a cam gear coupled to said cam pinion;a drive ge
1. A synchronous clutch comprised of:an input shaft;a cam pinion connected to said input shaft, wherein said cam pinion rotates with said input shaft;a drive pinion connected to said input shaft, wherein said drive pinion rotates with said input shaft;a cam gear coupled to said cam pinion;a drive gear coupled to said drive pinion wherein said cam gear rotates at a different speed than said drive gear;a camming means connected to and rotating with said cam gear;a shiftable clutch pin connected to said drive gear, wherein said shiftable clutch pin rotates with said drive gear and wherein said shiftable clutch pin moves in response to said camming means; andan output mechanism, wherein said shiftable clutch pin engages said output mechanism at some point during the rotation of the shiftable clutch pin. 2. The synchronous clutch according to claim 1, wherein the cam gear rotates at a different speed than said drive gear, but at ratios which repeat on a synchronous basis of between 1 and 100 revolutions of the drive gear. 3. The synchronous clutch according to claim 1, wherein the shiftable clutch pin further moves in one direction in response to a biasing element. 4. The synchronous clutch according to claim 3, wherein the cam gear rotates at a different speed than said drive gear, but at ratios which repeat on a synchronous basis of between 1 and 100 revolutions of the drive gear. 5. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the shiftable clutch pin moves parallel to the axis of the drive gear. 6. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the shiftable clutch pin moves perpendicular to the axis of the drive gear. 7. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the synchronous clutch is used within a portable hand tool. 8. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the synchronous clutch is used for applications of an intermittent nature. 9. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the shiftable clutch pin is further stabilized by a clutch pin return spring. 10. The synchronous clutch according to claim 1, 2 , 3 or 4 , wherein the camming means is replaced with a positive acting barrel cam. 11. A synchronous clutch comprised of:an input shaft;a pinion connected to said input shaft, wherein said pinion rotates with said input shaft;a cam gear coupled to said pinion;a drive gear coupled to said pinion wherein said cam gear rotates at a different speed than said drive gear;a camming means connected to and rotating with said cam gear;a shiftable clutch pin connected to said drive gear, wherein said shiftable clutch pin rotates with said drive gear and wherein said shiftable clutch pin moves in response to said camming means; andan output mechanism, wherein said shiftable clutch pin engages said output mechanism at some point during the rotation of the shiftable clutch pin. 12. The synchronous clutch according to claim 11, wherein the cam gear rotates at a different speed than said drive gear, but at ratios which repeat on a synchronous basis of between 1 and 100 revolutions of the drive gear. 13. The synchronous clutch according to claim 11, wherein the shiftable clutch pin further moves in the return direction in response to a biasing element. 14. The synchronous clutch according to claim 13, wherein the cam gear rotates at a different speed than said drive gear, but at ratios which repeat on a synchronous basis of between 1 and 100 revolutions of the drive gear.
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