Abstract: A mower especially suited for mowing fields at airports has a plurality of blades connected to a rotatable shaft and includes a fixed bed knife arranged parallel to the rotatable shaft and inclined at 20 to 60 degrees relative to a horizontal plane passing through the shaft rotating axis, the bed knife having a toothed profile of a shape complementary to the shape of the outer end portions of the chopping blades with which the toothed profiles are adapted to intermesh during rotation of the chopping blades relative to the fixed bed knife.
Type:
Grant
Filed:
December 13, 1984
Date of Patent:
December 30, 1986
Assignees:
Ing. Alfred Schmidt GmbH, Flughafen Frankfurt/Main AG
Abstract: With a drive system upon a carrier vehicle for various front or rear machine attachments for landscape maintenance in summer as well as for winter service, the carrier vehicle 1 possesses, for the powering of high performance machine units, in addition to the vehicle motor an auxiliary motor 2, which is fitted with a universal joint drive shaft 10 located under the floor for the powering of front-attached snow removal machines. The vehicle motor features at least one front power takeoff shaft 5, which is designed for the summer operation of a front mowing unit 23. The auxiliary motor 2 has in addition a rear-located universal joint drive shaft 6 for the operation of a rear-attached mowing apparatus 11 of wide cut, which comprises several separate mowing units.
Type:
Grant
Filed:
December 13, 1984
Date of Patent:
December 30, 1986
Assignees:
Ing. Alfred Schmidt GmbH, Flughafen Frankfurt/Main AG