Harvesters – Cutting – Cutter members
Patent
1978-02-17
1981-08-18
Hafer, Robert A.
Harvesters
Cutting
Cutter members
56 136, 56 6, A01D 5518
Patent
active
042839050
ABSTRACT:
A mowing machine for connection to the three-point hitch of a tractor which extends laterally of the tractor. A drive of meshing pinions contained in a housing, the drive being powered via belts from the power take-off of the tractor. The drive rotates the cutting members about vertical axes which are supported by and disposed immediately above a plate-like supporting element. Plate-like connecting members connect the cutting members with the drive pinions, such connecting members rotating with the cutting members about the same axis. Adjacent cutting members rotate in opposite directions and adjacent connecting members co-operate to move cut crop to the rear relative the mowing machine in swaths by contact and air movement generated thereby. The drive pinions and the cutting members have roller bearings to minimize vibration. The cutting members have an annular member including a horizontally extending disc with two cutter blades connected thereto by readily removable pins, the pins being held in place by springs and protected on the upperside of the disc by screening plates. The supporting element has openings for removing the pins. It also has threaded openings for receiving housings for the cutting members' bearings. It is straight on the rear and crenated on the forward edge whereby the cutter blades rotate parallel to and extending forward of the crenated edge of the supporting element. Supporting members which are each rounded on their bottom may be secured to the underside of the supporting element under each cutting member. Optionally, the connecting members may be tubular instead of plate-like.
REFERENCES:
patent: 3040502 (1962-06-01), Smith et al.
patent: 3070938 (1963-01-01), Winget
patent: 3391522 (1968-07-01), Zweegers
patent: 3513648 (1970-05-01), Kline et al.
patent: 3857225 (1954-12-01), Knudson
Albright Penrose Lucas
Hafer Robert A.
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