Cutting tool for digging trenches, and enabling the cutter...

Excavating – Ditcher – Having endless digger

Reexamination Certificate

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Details

C037S468000

Reexamination Certificate

active

07114271

ABSTRACT:
The invention relates to a cutting tool for digging vertical trenches, the tool comprising:a jib (B);a cutter structure (34;C) suspended from the jib via a cable;a plurality of cutter members (18) disposed on at least one cylindrical surface;a motor assembly (12);power supply means (46) for powering said motor assembly (12).releasable retention means (22; 44) for securing at least a portion of the motor assembly (12) having the cutter members (18) mounted thereto to the bottom end of the structure (34);relative positioning means between the structure (34) and the motor assembly (12); andmeans for connecting the power supply means (46) to the motor assembly (12);whereby at least a portion of the motor assembly (12) with the cutter members (18) can easily be separated from the structure (34) of the machine.

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