Supporting arrangement for a feed device for a rock drilling...

Details Supporting arrangement for a feed device for a rock drilling... Supporting arrangement for a feed device for a rock drilling...

E - Fixed Constructions

21

B

255/34

E21B 7/02 (2006.01)

Patent

CA 1233167

Abstract of the Disclosure A supporting arrangement for a feed device for a drilling machine of a rock drilling unit comprising a feed device for a drilling machine, a cradle supporting the feed device longitudinally displaceably and a supporting device which is extendable in parallel with the feed device for supporting the feed device against a tunnel wall. The supporting device is supported by the cradle so that it remains stationary with respect to the cradle when the feed device is displaced.

462072

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