E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/81
E21C 25/68 (2006.01) E21C 25/06 (2006.01) E21D 9/10 (2006.01)
Patent
CA 1187517
ABSTRACT OF THE DISCLOSURE A movable cutting machine is subdivided into a front portion and a rear portion of the cutting machine, which por- tions are swingable around an approximately vertical pivotal axis and are secured against a relative displacement in the direction of this pivotal axis by means of two joints. The front portion of the cutting machine has a caterpillar chassis and carries a swivelling means comprising as the cutting means a cutting arm and two cutting heads. The rear portion of the cutting machine has, as a support means against ground, equally a caterpillar chassis and carries auxiliary equip- ment and/or a section of a conveying trough equipped with a chain conveyer.
413457
Brandl Erich
Wrulich Herwig
Zitz Alfred
Marks & Clerk
Voest - Alpine Aktiengesellschaft
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