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Title: Cutting assembly. [Patent application]

Patent ·
OSTI ID:5316078

A mining auger comprises a cutting head carried at one end of a tubular shaft and a plurality of wall segments which in a first position thereof are disposed side by side around said shaft and in a second position thereof are disposed oblique to said shaft. A vane projects outwardly from each wall segment. When the wall segments are in their first position, the vanes together form a substantially continuous helical wall. A cutter is mounted on the peripheral edge of each of the vanes. When the wall segments are in their second position, the cutters on the vanes are disposed radially outward from the perimeter of the cutting head.

Sponsoring Organization:
USDOE
DOE Contract Number:
AC01-78ET10041
Assignee:
Dept. of Energy
Application Number:
ON: DE82011770
OSTI ID:
5316078
Country of Publication:
United States
Language:
English