The invention concerns a driving tool comprising a motor, in particular, an electric motor, a gas spring with an elastically compressible gas volume, and a firing piston, wherein the gas spring can be tensioned via a tensioning device with the motor, so as to accelerate after a release from a tensio
The invention concerns a driving tool comprising a motor, in particular, an electric motor, a gas spring with an elastically compressible gas volume, and a firing piston, wherein the gas spring can be tensioned via a tensioning device with the motor, so as to accelerate after a release from a tensioned state the firing piston in a firing direction, wherein at least one part of the tensioning device is located within the gas volume of the gas spring.
대표청구항▼
1. A driving tool, comprising an electric motor having a rotatable shaft rotating about an axis of the motor, a gas spring with an elastically compressible gas volume, and a firing piston, wherein the gas spring is tensioned by a tensioning device with the motor, to accelerate the firing piston into
1. A driving tool, comprising an electric motor having a rotatable shaft rotating about an axis of the motor, a gas spring with an elastically compressible gas volume, and a firing piston, wherein the gas spring is tensioned by a tensioning device with the motor, to accelerate the firing piston into a firing direction, after the firing piston is released from a tensioned state, wherein at least one part of the tensioning device is located within the gas volume of the gas spring, the motor is located outside the gas volume, and the tensioning device is connected with the motor via the rotatable shaft, and wherein a shaft seal, which seals off the gas volume, is located on the rotatable shaft. 2. The driving tool according to claim 1, wherein the tensioning device comprises a spindle. 3. The driving tool according to claim 2, wherein the spindle is located within the gas volume. 4. The driving tool according to claim 3, wherein the motor and the spindle are connected, wherein, the spindle runs on a rotating axle of the motor. 5. The driving tool according to claim 3, wherein the motor and the spindle are connected via a gear element. 6. The driving tool according to claim 5, wherein the gear element comprises a toothed wheel stage or a belt drive. 7. The driving tool according to claim 6, wherein the spindle is located offset from the axis of the motor. 8. The driving tool according to claim 2, wherein the spindle is a circulating ball spindle. 9. The driving tool according to claim 1, wherein the gas spring, in a relaxed state, has a gas pressure greater than 1 bar. 10. The driving tool according to claim 1, wherein the driving tool further comprises a temperature sensor for a measurement of the temperature of a gas of the gas spring. 11. The driving tool according to claim 10, wherein the temperature sensor is located within the gas volume. 12. The driving tool according to claim 11, wherein the driving tool further comprises a control unit that regulates a tensioning stroke of the gas spring as a function of a temperature measured by the temperature sensor. 13. The driving tool according to claim 10, wherein the driving tool further comprises a control unit that regulates a tensioning stroke of the gas spring as a function of a temperature measured by the temperature sensor. 14. The driving tool according to claim 1, wherein a relaxing movement of the gas spring is slowed down with the aid of the motor. 15. The driving tool according to claim 1, wherein the gas spring, in a relaxed state, has a gas pressure greater than 3 bar. 16. The driving tool according to claim 1, wherein the gas spring, in a relaxed state, has a gas pressure greater than 10 bar. 17. The driving tool according to claim 1, wherein the gas spring, in a relaxed state, has a gas pressure greater than 30 bar.
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이 특허에 인용된 특허 (8)
Tanimoto, Hideyuki; Sakaba, Toshihito; Oda, Hiroyuki; Ueda, Takashi; Nakano, Yoshihiro, Chain or belt driven fastener machine.
Leimbach, Richard L.; Adams, Shane; Clark, Thomas W.; Petrocelli, Michael V.; Petrocelli, legal representative, Teresa, Method for controlling a fastener driving tool using a gas spring.
Sollberger Roger W. (5614 Beechmont Ave. Cincinnati OH 45230) Webb Walter J. (5117 Colerain Ave. Cincinnati OH 45223), Portable electric fastener driving apparatus.
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