Flip block assembly for changing dozer blade pitch

Details Flip block assembly for changing dozer blade pitch Flip block assembly for changing dozer blade pitch

1992-12-17

1994-08-02

Crowder, Clifford D.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

E02F 3815

Patent

active

053336976

ABSTRACT:
The invention is an in a dozer blade pitch adjustment assembly of the type having a blade pivot pin spaced from a reference line on a dozer blade assembly. The improvement comprises a flip block eccentrically mounted between lugs of the blade assembly for pivoting movement between a first position and a second position. Flipping the block to the first position or to the second position changes the spacing between the pivot pin and the reference line and the pitch of the blade is thereby changed. The block is retained in one position or the other by bolts extending through the lugs and into the block.

REFERENCES:
patent: 3991832 (1976-11-01), Cooper
patent: 4074769 (1978-02-01), Frisbee
patent: 4270617 (1981-06-01), Cantarella et al.
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.
Case Corporation Sheet 1150D Dozer Hydraulic Pitch Adjustment.
Photo Sheet--Deere & Co. Pitch Adjustment.
Caterpillar Co.--p. 48 Operation Section Machine Adjustments.

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