Block apparatus and method for changing dozer blade pitch

Details Block apparatus and method for changing dozer blade pitch Block apparatus and method for changing dozer blade pitch

1994-10-25

1996-04-16

Melius, Terry Lee

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

172821, E02F 3815

Patent

active

055073522

ABSTRACT:
A dozer blade pitch adjustment apparatus has a mounting lug and a block supported by the lug for setting a dozer blade at a first pitch or a second pitch. In the improvement, the lug has a mounting surface and the block has a first face contacting such mounting surface when the blade is set at the first pitch. A second face of the block contacts the mounting surface when the blade is set at the second pitch. The block has a surface portion between the lugs and such portion faces generally upwardly when the blade is set at either pitch. A new method for changing the pitch of the blade is also disclosed.

REFERENCES:
patent: 3933260 (1976-11-01), Kronlokken et al.
patent: 3991832 (1976-11-01), Cooper
patent: 4074769 (1978-02-01), Frisbee
patent: 4270617 (1981-06-01), Cantarella et al.
patent: 4450917 (1984-05-01), Hake
patent: 4570367 (1986-02-01), Oya
patent: 4638869 (1987-01-01), Murphy et al.
patent: 4828044 (1989-05-01), Horsch et al.
patent: 4828045 (1989-05-01), Horsch et al.
patent: 4893683 (1990-01-01), Horsch et al.
patent: 5074227 (1991-12-01), Schwitters
patent: 5333697 (1994-08-01), Frisbee et al.
Case Corporation Sheet 1150D Dozer Hydraulic Pitch Adjustment.
Photo Sheet-Deer & Co. Pitch Adjustment.
Caterpillar Co.-P. 48 Operation Section Machine Adjustments.

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