Earth working – With drive means for tool or cleaner – With specific relationship of mast-type hitch to implement
Patent
1976-08-31
1978-09-19
Stouffer, Richard T.
Earth working
With drive means for tool or cleaner
With specific relationship of mast-type hitch to implement
172 59, 172 71, 172443, 172446, 172619, 172679, A01B 4906, A01B 3306
Patent
active
041146956
ABSTRACT:
An implement has an elongated frame that extends transverse to the direction of travel and soil-working members rotatably mounted on a portion of the frame that depends from spaced apart, forward and rear frame beams. A coupling assembly having coupling points for auxiliary implements is pivoted to the forward frame beam by two beam members that extend rearwardly and rest on top of the rear frame beam to limit the downward movement of the assembly when the implement is raised. The rear ends of the beam members are connected to a tubular beam and further beams extend rearward from the tubular beam. A transverse beam interconnects the further beams centrally thereof and coupling points such as hooks are adjustably connected to plates that depend from the further beams. A central coupling point is fastened to the transverse beam and the further beams are adjustable to vary the width of the assembly.
REFERENCES:
patent: 1436595 (1922-11-01), McKay
patent: 1654939 (1928-01-01), Loebs
patent: 2775180 (1956-12-01), Du Shane
patent: 3085634 (1963-04-01), Hotchkiss, Jr.
patent: 3385610 (1968-05-01), Vezina
patent: 3643976 (1972-02-01), Ha upt et al.
patent: 3774694 (1973-11-01), Gates
patent: 3937460 (1976-02-01), VAN DER Lely
patent: 3983943 (1976-10-01), VAN DER Lely
patent: 4018170 (1977-04-01), VAN DER Lely
C. van der Lely N.V.
Stouffer Richard T.
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