Holding device for rock breaking tool

Details Holding device for rock breaking tool Holding device for rock breaking tool

E - Fixed Constructions

21

B

E21B 10/36 (2006.01) B25D 17/08 (2006.01)

Patent

CA 2098452

This is the type of apparatus in which the tool slides on the upper and lower guides in a front cartridge guide. With this invention, at least one of the guides delimits the guide zone, the guiding curve of which includes flex points formed by the angles of separation between faces, one zone working with the complementary section zone, at least locally, to lock the tool in rotation.

Ce dispositif est du type dans lequel l'outil est monté coulissant, avec interposition de moyens de guidage supérieurs et inférieurs, dans un guide avant. Selon l'invention, au moins l'un des moyens de guidage délimite une zone de guidage dont la courbe directrice comprend des points d'inflexion formant des angles de séparation entre facettes, zone coopérant avec une zone de section complémentaire ménagée, au moins localement, sur l'outil pour caler en rotation cet outil.

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