Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent
1987-11-09
1989-05-09
Johnson, Richard J.
Earth working
Mounting for pushed tool at end of motor vehicle
Transversely mounted blade
172430, 37DIG19, E02F 3815
Patent
active
048280453
ABSTRACT:
A visual tilt indicator for an implement, particularly but not exclusively for indicating the tilt angle of a dozer blade on a tractive vehicle, wherein the implement is pivotally supported on the vehicle by an implement universal joint and the support includes hydraulic cylinders operably interconnected between the vehicle and the implement to angle and tilt the implement. The visual tilt indicator of this invention includes an indicator shaft which is operably connected to the vehicle by a universal joint in the vertical axis of the implement support universal joint and the shaft extends horizontally adjacent the implement to indicate the tilt angle of the implement relative to the vehicle. The implement preferably includes a plurality of shaft support indicator means, such as brackets, which receive and slidably support the indicator shaft on the implement to indicate the relative movement of the shaft and the implement. In the preferred embodiment for indicating the tilt of a bulldozer blade, a plurality of brackets are mounted on the back of the blade which slidably receive and support the indicator shaft including an indicator bracket which telescopically receives the free end of the shaft providing an accurate visual indication of the relative tilt angle of the blade.
REFERENCES:
patent: 2775831 (1957-01-01), Rockwell
patent: 3017046 (1962-01-01), Runci
patent: 3900073 (1975-08-01), Crum
patent: 4053017 (1977-10-01), Gill
patent: 4201268 (1980-05-01), Frisbee
patent: 4286386 (1981-09-01), Long
patent: 4364439 (1982-12-01), Asal
Frisbee Claude M.
Horsch Rudolf
Werner Ronald H.
J. I. Case Company
Johnson Richard J.
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