DRIFT DRIVING OR PRODUCING MACHINE

A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least two horizontally spaced apart rocking levers ar...

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Bibliographic Details
Main Authors BAERNTHALER,FRANZ,AT, KRIVEC,EDUARD,AT, ZITZ,ALFRED,AT
Format Patent
LanguageEnglish
Published 28.07.1987
Edition4
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
MINING OR QUARRYING
SHAFTS
TUNNELS
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Summary:A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least two horizontally spaced apart rocking levers are pivoted at their rear ends to the carrier for swinging about vertical axes and a lever drive is provided for swinging the levers simultaneously in the same directions. The forward end of each lever carrie at least one cutting tool which is rotatable about a generally vertical axis.
Bibliography:Application Number: HU19860000412