Harvesters – Cutting – Cutter members
Patent
1978-06-21
1980-07-08
Hirsch, Paul J.
Harvesters
Cutting
Cutter members
56 127, A01D 5520, A01D 5522
Patent
active
042110602
ABSTRACT:
A flail-type mowing rotor, spinning about a horizontal axis transverse to its path of travel, has specially configured, swingable cutters that provide finish-cut quality notwithstanding design features that minimize the number of cutters required on the rotor, allow them to be fabricated from stamped, relatively light-gauge metal, and promote quick and easy removal and replacement of cutters as may be necessary or desirable. Each of the cutters comprises a pair of back-to-back, generally L-shaped blades having a medially disposed, obliquely oriented offsetting portion that locates the transverse cutting edge in offset relationship to the plane of the flat mounting portion of the blade. Thus, when the blades are disposed back-to-back on the rotor, the transverse cutting edge formed by the two cooperating blades is interrupted at its midpoint to present a gap through which uncut grass may pass as the rotor spins, thereby wiping the cutter clean and eliminating grass wrap.
REFERENCES:
patent: 1870932 (1932-08-01), Sternemann
patent: 2509343 (1950-05-01), Henderson
patent: 2790293 (1957-04-01), Crotty
patent: 2923117 (1960-02-01), Henderson
patent: 2941347 (1960-06-01), Strom
patent: 3335555 (1967-08-01), Woodring
patent: 3402541 (1968-09-01), Panek et al.
patent: 3527038 (1970-09-01), Wood et al.
patent: 3606748 (1971-09-01), Middlesworth
patent: 3831359 (1974-08-01), Mathews
Hesston Corporation
Hirsch Paul J.
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