Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent
1990-06-05
1991-12-03
Corbin, David H.
Earth working
Mounting for pushed tool at end of motor vehicle
Transversely mounted blade
172826, 37DIG10, E02F 376
Patent
active
050692968
ABSTRACT:
An apparatus adapted to permit independent setting of pitch and tilt of dozer blades without necessitating complex hydraulic circuitry or mechanical linkage. The blade is pivotally supported by two forwardly extending push beams. A strut is connected at one end to one of the push beams and is connected at its other end to the dozer blade via a cam assembly. The cam assembly permits dozer blade pitching to take place without interacting with the dozer blade tilt angle. In a preferred embodiment, two struts are used at opposite ends of the blade and are each connected to their respective side of the blade by a respective cam. The two cams are linked together and synchronized so that their stroke equally pitches the sides of the dozer blade.
REFERENCES:
patent: 2408268 (1946-09-01), Peterson et al.
patent: 2485407 (1949-10-01), Peterson
patent: 3653451 (1972-04-01), Fryrear et al.
patent: 3662841 (1972-05-01), Molby et al.
patent: 4621696 (1986-11-01), Brouwer
patent: 4892152 (1990-01-01), van Vuuren
Case Corporation
Corbin David H.
Gossett Dykema
Thompson Jeffrey L.
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