Soil cultivating machine with axially displaceable adjusting rod

Details Soil cultivating machine with axially displaceable adjusting rod Soil cultivating machine with axially displaceable adjusting rod

1980-01-02

1983-03-08

Stouffer, Richard T.

Earth working

With drive means for tool or cleaner

With non-driven tool

172481, 172502, 172504, 403 97, 403166, A01B 3306, A01B 4902

Patent

active

043758371

ABSTRACT:
A soil cultivating machine has a frame portion extending transversely of the intended direction of operative travel and a row of cultivating members on that portion are rotatable about upwardly extending shafts. Behind the cultivating members there is a ground-engaging support roller pivotally connected with the frame portion by means of supporting arms. A mechanism, including a screw spindle or an hydraulic ram is provided for adjusting the roller in a direction of height to vary the working level and a locking device for fixing the roller against pivotal movement relative to the frame portion is also included. The locking device includes two parts that can be clamped against one another with relatively co-operating toothings interengaged. A resilient device on a rod of the mechanism is provided to allow relative movement between the co-operating toothings at the time of clamping the parts together. As relative movement of the co-operating toothings can occur at the time of clamping them together, they can move into full engagement should this be necessary without additional load being placed on the machine.

REFERENCES:
patent: 2165460 (1939-07-01), Desing
patent: 2856218 (1958-10-01), Helsel
patent: 3486761 (1969-12-01), Fay
patent: 3686964 (1972-08-01), Thibaut et al.
patent: 3899030 (1975-08-01), van der Lely et al.
patent: 3983943 (1976-10-01), van der Lely
patent: 4018104 (1977-04-01), Bland et al.
patent: 4240508 (1980-12-01), Ishiguro et al.

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