Thrust swivel bearing on mowing knives supported in swinging lev

Details Thrust swivel bearing on mowing knives supported in swinging lev Thrust swivel bearing on mowing knives supported in swinging lev

1980-05-29

1983-12-06

Haffer, Robert A.

Harvesters

Cutting

Cutter members

A01D 5502

Patent

active

044185200

ABSTRACT:
A thrust swivel ring for resiliently supporting a mowing knife in a swing arm of a mower cutting system includes internal and external metal bushings and an annular rubber portion disposed between the two bushings. The external bushing is non-rotatably connected to the swing arm and the internal bushing is non-rotatably connected to the mowing knife. One of these connections can be quickly disconnected in axial direction of the bushings. The bearing is resistant to wear, requires little maintenance and ensures a quiet operation of the mower cutting system. Further, the bearing facilitates a quick replacement of the mower knife.

REFERENCES:
patent: 3058288 (1962-10-01), Karg
patent: 4067179 (1978-01-01), Schneider
patent: 4267689 (1981-05-01), Schneider et al.

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