IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0740969
(2008-10-29)
|
등록번호 |
US-8387288
(2013-03-05)
|
우선권정보 |
IT-MI2007A002102 (2007-10-31) |
국제출원번호 |
PCT/EP2008/064694
(2008-10-29)
|
§371/§102 date |
20100812
(20100812)
|
국제공개번호 |
WO2009/056578
(2009-05-07)
|
발명자
/ 주소 |
- Wagger, Klaus
- Müller, Jan
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
19 |
초록
▼
A rotary snow tiller, for grooming the snow covering of ski slopes, which advances in a traveling direction along the ski slope, and has a frame; and a shaft fitted with teeth and rotated with respect to the frame about an axis crosswise to the traveling direction; each tooth being fitted movably to
A rotary snow tiller, for grooming the snow covering of ski slopes, which advances in a traveling direction along the ski slope, and has a frame; and a shaft fitted with teeth and rotated with respect to the frame about an axis crosswise to the traveling direction; each tooth being fitted movably to the shaft and selectively adjustable in length with respect to the shaft.
대표청구항
▼
1. A snow grooming rotary snow tiller comprising: a frame;a shaft supported by the frame, said shaft fitted with a plurality of teeth, said shaft configured to rotate with respect to the frame about an axis crosswise to a direction that the frame is configured to travel along a ski slope, each tooth
1. A snow grooming rotary snow tiller comprising: a frame;a shaft supported by the frame, said shaft fitted with a plurality of teeth, said shaft configured to rotate with respect to the frame about an axis crosswise to a direction that the frame is configured to travel along a ski slope, each tooth being movably fitted to the shaft and selectively adjustable in length with respect to the shaft; andan actuating device configured to adjust the length of each of the teeth with respect to said shaft, the actuating device including: an actuating shaft housed inside a cylinder and configured to rotate about the axis with respect to the cylinder; anda plurality of connectors, each connector connected to the actuating shaft and to a different one of the teeth. 2. The snow grooming rotary snow groomer of claim 1, wherein each tooth is radially movable with respect to the axis. 3. The snow grooming rotary snow groomer of claim 1, wherein the shaft includes a cylinder including a plurality of seats, each tooth being slidably fitted inside a respective seat and connected to the actuating device. 4. The snow grooming rotary snow groomer of claim 1, wherein each connecting connector includes a crank integral with the actuating shaft and a connecting rod hinged to a respective one of the teeth and to the crank. 5. The snow grooming rotary snow groomer of claim 1, wherein the actuating device includes a rotary actuator configured to rotate the actuating shaft with respect to the cylinder. 6. The snow grooming rotary snow groomer of claim 5, wherein the rotary actuator includes a hydraulic actuator. 7. The snow grooming rotary snow groomer of claim 6, which includes a rotary distributor configured to supply the rotary actuator located on the shaft. 8. The snow grooming rotary snow groomer of claim 6, wherein the rotary actuator includes an end flange integral with the cylinder, and a disk integral with the actuating shaft; the end flange and the disk being slideably connected. 9. The snow grooming rotary snow groomer of claim 1, wherein each tooth includes a prismatic portion housed at least partly inside a respective seat. 10. The snow grooming rotary snow groomer of claim 9, wherein each seat has a plurality of walls projecting inside a cylinder of the shaft. 11. The snow grooming rotary snow groomer of claim 10, wherein the walls of each seat are connected to a respective tooth by a membrane which hermetically separates the inside of the cylinder of the shaft from the outside of the cylinder of the shaft. 12. The snow grooming rotary snow groomer of claim 1, wherein the actuating device includes a hydraulic circuit and a control assembly configured to determine and set a length of each of the teeth and configured to adjust the length of each of the teeth from a position remote from each of the teeth. 13. The snow grooming rotary snow groomer of claim 12, wherein the control assembly includes: a sensor configured to determine the length of each of the teeth,a control panel configured to set the length of each of the teeth, anda control unit configured to compare the set length of each of the teeth with an actual length of each of the teeth, and send at least one correction signal to a solenoid valve until the set length of each of the teeth corresponds to the actual length of each of the teeth. 14. A snow grooming rotary snow tiller comprising: a frame;a shaft supported by the frame, said shaft configured to rotate with respect to the frame about an axis, and fitted with a plurality of teeth; andan actuating device configured to selectively move each tooth toward and away from the axis, the actuating device including: an actuating shaft housed inside a cylinder and configured to rotate about the axis with respect to the cylinder; anda plurality of connectors, each connector connected to the actuating shaft and to a different one of the teeth. 15. The snow grooming rotary snow groomer of claim 14, wherein the shaft includes a cylinder including a plurality of seats, each tooth being slidably fitted inside a respective seat and connected to the actuating device. 16. The snow grooming rotary snow groomer of claim 14, wherein the actuating device includes a rotary actuator configured to rotate the actuating shaft with respect to the cylinder. 17. The snow grooming rotary snow groomer of claim 14, wherein the actuating device includes a hydraulic circuit and a control assembly configured to determine and set a length of each of the teeth extending from the shaft and configured to adjust the length of each of the teeth from a position remote from each of the teeth. 18. The snow grooming rotary snow groomer of claim 17, wherein the control assembly includes: a sensor configured to determine the length of each of the teeth extending from the shaft,a control panel configured to set the length of each of the teeth extending from the shaft, anda control unit configured to compare the set length of each of the teeth with an actual length of each of the teeth, and send at least one correction signal to a solenoid valve until the set length of each of the teeth corresponds to the actual length of each of the teeth. 19. A snow grooming rotary snow groomer comprising a frame;a shaft supported by the frame, said shaft fitted with a plurality of teeth, said shaft configured to rotate with respect to the frame about an axis crosswise to a direction that the frame is configured to travel along a ski slope, each tooth being movably fitted to the shaft and selectively adjustable in length with respect to the shaft; andan actuating device configured to adjust the length of each of the teeth with respect to said shaft, the actuating device including a rotary actuator configured to rotate an actuating shaft with respect to a cylinder, wherein the rotary actuator includes a hydraulic actuator. 20. The snow grooming rotary snow groomer of claim 19, which includes a rotary distributor configured to supply the rotary actuator located on the shaft. 21. The snow grooming rotary snow groomer of claim 19, wherein the rotary actuator includes an end flange integral with the cylinder, and a disk integral with the actuating shaft; the end flange and the disk being slideably connected. 22. A snow grooming rotary snow groomer comprising: a frame;a shaft supported by the frame, said shaft fitted with a plurality of teeth, said shaft configured to rotate with respect to the frame about an axis crosswise to a direction that the frame is configured to travel along a ski slope, each tooth: (i) being movably fitted to the shaft, (ii) being selectively adjustable in length with respect to the shaft, and (iii) including a prismatic portion housed at least partly inside a respective seat; andan actuating device configured to adjust the length of each of the teeth with respect to said shaft. 23. The snow grooming rotary snow groomer of claim 22, wherein each seat has a plurality of walls projecting inside a cylinder. 24. The snow grooming rotary snow groomer of claim 23, wherein the walls of each seat are connected to a respective tooth by a membrane which hermetically separates the inside of the cylinder from the outside of the cylinder. 25. A snow grooming rotary snow groomer comprising: a frame;a shaft supported by the frame, said shaft fitted with a plurality of teeth, said shaft configured to rotate with respect to the frame about an axis crosswise to a direction that the frame is configured to travel along a ski slope, each tooth being movably fitted to the shaft and selectively adjustable in length with respect to the shaft; andan actuating device configured to adjust the length of each of the teeth with respect to said shaft, the actuating device including a hydraulic circuit and a control assembly configured to determine and set a length of each of the teeth and configured to adjust the length of each of the teeth from a position remote from each of the teeth. 26. The snow grooming rotary snow groomer of claim 25, wherein the control assembly includes: a sensor configured to determine the length of each of the teeth,a control panel configured to set the length of each of the teeth, anda control unit configured to compare the set length of each of the teeth with an actual length of each of the teeth, and send at least one correction signal to a solenoid valve until the set length of each of the teeth corresponds to the actual length of each of the teeth. 27. A snow grooming rotary snow groomer comprising: a frame;a shaft supported by the frame, said shaft configured to rotate with respect to the frame about an axis, and fitted with a plurality of teeth; andan actuating device configured to selectively move each tooth toward and away from the axis, the actuating device including a hydraulic circuit and a control assembly configured to determine and set a length of each of the teeth extending from the shaft and configured to adjust the length of each of the teeth from a position remote from each of the teeth. 28. The snow grooming rotary snow groomer of claim 27, wherein the control assembly includes: a sensor configured to determine the length of each of the teeth extending from the shaft,a control panel configured to set the length of each of the teeth extending from the shaft, anda control unit configured to compare the set length of each of the teeth with an actual length of each of the teeth, and send at least one correction signal to a solenoid valve until the set length of each of the teeth corresponds to the actual length of each of the teeth.
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