Harvesters – Cutting – Reciprocating central cutter
Patent
1988-08-12
1990-03-20
Novosad, Stephen J.
Harvesters
Cutting
Reciprocating central cutter
56296, 56297, A01D 3402
Patent
active
049090259
ABSTRACT:
A blade assembly normally driven by a power takeoff shaft has a frame normally displaced in a travel direction and provided with a pair of blade carriers horizontally reciprocal transverse to the direction. The drive unit comprises a right-angle transmission having a horizontal input connected to the power takeoff shaft and a vertical output, a vertical shaft offset from the output and having a pair of angularly offset eccentrics, and a belt drive interconnecting the transmission output and the vertical shaft. A pair of relatively long actuating arms extending in the direction flank the transmission and shaft and have rear ends pivoted on the frame and front ends connected to the respective blade carriers. A pair of respective connector plates extending transversely of the direction have respective inner ends carried on the eccentrics and outer ends connected to the arms between the ends thereof. The frame comprises side plates extending in the direction and transversely bridged by front, center, and rear bars.
REFERENCES:
patent: 1647867 (1927-11-01), Hutsell
patent: 2269774 (1942-01-01), Lawrence
patent: 2787111 (1957-04-01), Templeton
patent: 3094832 (1963-06-01), Lee
patent: 4023334 (1977-05-01), Heath
patent: 4067179 (1978-01-01), Schneider
patent: 4815265 (1989-03-01), Guinn et al.
Henry T. Brown, Mechanical Movements, 1893, pp. 12-13.
Beck Michael
During Arndt
Hille Manfred
Reissig Peter
Simon Rudolf
Dubno Herbert
Novosad Stephen J.
Spahn Gay Ann
Veb Combinat Fortschritt-Landmaschinen
Wilford Andrew
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