Drum mowers having spring mounted flat blades

Details Drum mowers having spring mounted flat blades Drum mowers having spring mounted flat blades

1983-08-26

1985-04-23

Mancene, Gene

Harvesters

Motorized harvester

Including plural operating units and drive

56295, A01D 5518

Patent

active

045121419

ABSTRACT:
Drum mowers having flat L-shaped blades in which the vertical portions are spring mounted relative to the rotating drums of drum mowers are disclosed having a spring mounting providing yielding of the horizontal portion of the blade in both a vertical and horizontal direction when it strikes an obstruction and automatic return of the blade to its mowing position. The flat blades provide greater strength and less vertical obstruction than prior blades. In a preferred embodiment, the end cutting portions of the blades attached to adjacent drums of multiple drum mowers do not overlap adjacent discs and are twisted with respect to the flat horizontal portion so the sharpened leading edge is downward.

REFERENCES:
patent: 2697323 (1954-12-01), Horn
patent: 3010269 (1961-11-01), Maguire
patent: 3086346 (1963-04-01), Zimmermann
patent: 3918241 (1975-11-01), Stilliams
patent: 3958402 (1976-05-01), Bouet
patent: 4292790 (1981-10-01), Mathews

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