Multi-function implement for attachment to a tractor and the...

Earth working – Mast type hitch – Struts on trailer or between implement parts

Reexamination Certificate

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Details

C172S445100, C172S677000, C172S684500

Reexamination Certificate

active

06840333

ABSTRACT:
A multi-function implement for attachment to a tractor or the like for trenching, cutting, burying cable, and similar functions. The implement has a universal frame with a tractor attachment portion and a tool attachment portion. A series of tools are individually connectable to the universal frame, with each tool having a frame attachment portion which is complementary to the tool attachment portion of the universal frame. The tools are selectively connectable to the universal frame with the frame attachment portion of the tool joining the tool attachment portion of the universal frame. Each of the tools is individually formed to perform a particular function, such as cutting a trench, burying a cable, or removing a swath of sod.

REFERENCES:
patent: 5195597 (1993-03-01), Yeomans
patent: 5431232 (1995-07-01), Kirsch
patent: 5560130 (1996-10-01), Bapst
patent: 6382873 (2002-05-01), Mulders et al.
patent: 2139066 (1984-11-01), None
patent: 2236283 (1991-04-01), None
patent: WO-8703774 (1987-07-01), None

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