A device (10) for performing work tasks within a work area, in particular a ski run area, includes a working unit (60, 90), a manoeuvring machine (12, 30, 32, 37) to which the working unit is arranged. The manoeuvring machine is designed and arranged such that it is capable of manoeuvring the workin
A device (10) for performing work tasks within a work area, in particular a ski run area, includes a working unit (60, 90), a manoeuvring machine (12, 30, 32, 37) to which the working unit is arranged. The manoeuvring machine is designed and arranged such that it is capable of manoeuvring the working unit in at least three degrees of freedom. The device is designed as an individual unit intended to be detachably arranged to a work vehicle, such as a snow working unit.
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A device (10) for performing work tasks within a work area, in particular a ski run area, includes a working unit (60, 90), a manoeuvring machine (12, 30, 32, 37) to which the working unit is arranged. The manoeuvring machine is designed and arranged such that it is capable of manoeuvring the workin
A device (10) for performing work tasks within a work area, in particular a ski run area, includes a working unit (60, 90), a manoeuvring machine (12, 30, 32, 37) to which the working unit is arranged. The manoeuvring machine is designed and arranged such that it is capable of manoeuvring the working unit in at least three degrees of freedom. The device is designed as an individual unit intended to be detachably arranged to a work vehicle, such as a snow working unit. 1. An excavating apparatus having a prime mover with a longitudinal centerline and comprising a main frame with an engine, a ground drive system and an excavation boom operatively attached thereto, said excavation boom comprising: a sub-frame having a first end and a second end, said first end of said sub-frame being operatively pivotally attached to said main frame along a main frame pivot axis, said main frame pivot axis being transverse to the longitudinal centerline of said prime move, said main frame pivot axis being fixed with respect to the engine;a head shaft operatively attached to the second end of said sub-frame along a head shaft axis, said head shaft axis being transverse to the longitudinal centerline of the prime mover;an excavating drum being operatively attached to said head shaft for rotation about said head shaft axis; andwherein said head shaft is operatively pivotally attached to the second end of said sub-frame along an axis which is fixed with respect to said main frame pivot axis and which is substantially perpendicular to said main frame pivot axis whereby the position of the head shaft axis can be adjusted with respect to the position of the main frame pivot axis from a position parallel to said main frame pivot axis to positions not parallel to said main frame pivot axis.2. The excavating apparatus of claim 1 wherein said excavating drum is wider than the ground drive system.3. The excavating apparatus of claim 1 including a ground engaging positioning assembly operatively attached to said head shaft for holding the rotating drum in a predetermined position with respect to a surface over which said drum is moving.4. The excavation apparatus of claim 3 wherein the excavation assembly further includes a first excavating drum which rotates concentric to the head shaft axis and is operatively connected to a first side of the idler sprocket, and a second excavation drum which rotates concentric to the head shaft axis and is operatively connected to a second side of the idler sprocket.5. An excavating apparatus having a prime mover having a longitudinal centerline and comprising a main frame with an engine, a ground drive system and an excavation boom operatively attached thereto, said excavation boom comprising: a sub-frame having a first end and a second end, said first end of said sub-frame being operatively pivotally attached to said main frame along a main frame pivot axis, said main frame pivot axis being transverse to the longitudinal centerline of said prime mover, said main frame pivot axis being fixed with respect to the engine;a head shaft operatively attached to the second end of said sub-frame along a head shaft axis, said head shaft axis being transverse to the longitudinal centerline of the prime mover;an excavating drum being operatively attached to said head shaft for rotation about said head shaft axis; andwherein said head shaft is operatively pivotally attached to the second end of said sub-frame along an axis which is fixed with respect to said main frame pivot axis and which is substantially parallel to an axis perpendicular to said main frame pivot axis whereby the position of the head shaft axis can be adjusted with respect to the position of the main frame pivot axis from a position parallel to said main frame pivot axis to positions not parallel to said main frame pivot axis.6. The excavating apparatus of claim 5 wherein said excavating drum is wider than the ground drive system.7. The excavating apparatus of claim 5 including a ground engaging positioning assembly operatively attached to said head shaft for holding the rotating drum in a predetermined position with respect to a surface over which said drum is moving.8. The excavation apparatus of claim 7 where the excavation assembly is wider than the ground drive system.9. The excavation
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Baillargeon Bernard (Victoriaville CAX), All-terrain vehicle.
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