Holding Device for Rock Breaking Tool

摘要

This device is of the type in which the tool (5) is mounted so that it can slide, with the interposition of upper and lower guide means, in a front guide (2). According to the invention, at least one of the guide means (4a) delimits a guide zone the directrix curve of which comprises points of inflection forming corners (10) for separating the facets (12), the zone interacting with a zone of complementary cross-section formed, at least locally, on the tool (5) for wedging this tool in terms of rotation.