| 摘要 |
<p>916,195. Earth - excavating machines. BAUUNTERNEHMUNG E. HEITKAMP G.m.b.H. Feb. 7, 1961 [Feb. 8, 1960], No. 4618/61. Class 68 (1). [Also in Group XXIII] An earth-excavating machine, particularly suitable for. the excavating out of the floors of haulage ways in mines, consists of a selfpropelled, tracked chassis carrying a horizontal turntable 19 on which is mounted at 25 a vertically tiltable frame 27 supporting at least two different earth-excavating appliances, e.g. a scoop 54 and percussive drills 47, which can be brought as required into and out of a working position appropriate to the appliance.</p> |
