DRIFT DRIVING OR PRODUCING MACHINE

• Main Authors: BAERNTHALER,FRANZ,AT, KRIVEC,EDUARD,AT, ZITZ,ALFRED,AT
• Format: Patent
• Language: English
• Published: 28.07.1987
• Edition: 4
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; MINING OR QUARRYING; SHAFTS; TUNNELS

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...