Odyssey Technology Pty Ltd

Geoffrey Peter Johnstone

David B Sugden

Alwyn Arthur Jones

Wayne Anthony Cusick

Anthony John Peach

Anton Josep Jurasovic

A rock boring device includes a rotary disc cutter. The disc cutter is driven in an oscillating manner and may be driven or free to nutate, and the device includes a mounting section for the rotary disc cutter and a driven section. The mounting section may be angularly offset from the axis of the driven section whereby the rotary disc cutter can oscillate and/or nutate.

Rock boring device

A rock boring device () including a rotary disc cutter (). The disc cutter () is driven in an oscillating manner and also driven or free to nutate, and the device includes a mounting section () for the rotary disc cutter and a driven section (), and wherein the mounting section () is angularly offset from the axis of the driven section whereby the rotary disc cutter will both oscillate and nutate.

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Sandy Bay, Australia

Geoffrey Peter Johnstone