E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 20/00 (2006.01)
Patent
CA 2118447
The present invention relates to a device for setting rock bolts. The device employs a common element for affixing the end of a feed shell with respect to a rock surface, stabilizing the feed shell and providing a common centralizer for centering all subsequent bolt setting operations. The device also has a bolt magazine which stores, advances and positions the bolts in line with a bolt driver.
Dispositif pour mettre en place des boulons d'ancrage. Le dispositif emploie un élément commun pour fixer l'extrémité d'une coquille d'expansion par rapport à une surface rocheuse, stabilisant la coquille d'expansion et fournissant un centreur commun pour centrer les opérations suivantes de mise en place de boulons. Le dispositif comporte également un dépôt de boulons qui entrepose, avance et aligne les boulons avec un chasse-boulon.
Coombs Perry L.
Morrison Ward D.
Oldenburg Cannon Inc.
Ridout & Maybee Llp
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