Earth working – Tool – standard or connection – Removable tool portion
Reexamination Certificate
1999-10-19
2001-02-13
Novosad, Christopher J. (Department: 3671)
Earth working
Tool, standard or connection
Removable tool portion
Reexamination Certificate
active
06186245
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to an assembly of replaceable wear parts on a plough body, and is particularly, though not exclusively, concerned with an improved means of mounting reversible plough points on a ploughshare of a plough body and or share knives on a landside of a plough body.
2. Present State of the Art
It is known to provide reversible plough points or tines on ploughshares, and when one working tip of the point becomes excessively worn, the point is demounted from a mounting part, rotated through 180° so as to bring the previously unworn tip to a working position, and then reassembled. Usually, two separate fasteners are used to mount the point on the mounting part, so as to provide suitably strong clamping force to clamp the parts together, and to resist shear loads generated in service, but also to provide necessary resistance to any tendency for the point to rotate, which would arise in the event of use of a single fastener.
OBJECTS AND BRIEF SUMMARY OF THE INVENTION
The formal definition of the invention is set out in the appended set of claims. A major objective of the invention is to provide a new and improved combination of a soil-working projecting part and mounting part, to be provided on a plough body, in which the soil-working part is intended to project beyond the mounting part so as to be capable of carrying out a soil-working operation in use of the plough body, and in which two different types of adjustment can be achieved when working tip wear occurs.
REFERENCES:
patent: 1992791 (1935-02-01), Wannemacher
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patent: 2 036 688 (1970-12-01), None
patent: 2 350 775 (1977-12-01), None
patent: 107 738 (1917-08-01), None
patent: 2 100 562 (1983-01-01), None
patent: 2 183 434 (1987-06-01), None
Kverneland Klepps AS
Novosad Christopher J.
Workman & Nydegger & Seeley
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