Rock drill handle

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 12/00 (2006.01) B25D 17/04 (2006.01) B25D 17/24 (2006.01) E21B 19/087 (2006.01) F16F 15/02 (2006.01)

Patent

CA 2362278

The invention concerns a rock drill handle (10, 100, 200, 300) which is connectable to a hand-held rock drill and which includes vibration damping means (26, 30) to damp the transmission of at least back and forth vibrations from the drill to the hand of an operator gripping the handle. In the preferred embodiments, the handle comprises operatively forwardly located connecting means (12, 310) connectable to the backhead of the drill, an operatively rearwardly located handle section (14) and at least one linking section (16) which extends rearwardly from the connecting means to the handle section, the linking section including damping means.

On décrit une poignée (10, 100, 200, 300) pour perforatrice de roches qui peut être couplée à une perforatrice de roches portative et qui comprend des dispositifs (26, 30) amortissant les vibrations prévus pour atténuer au moins la transmission des vibrations aller-retour entre la perforatrice et un utilisateur en prise avec la poignée. Dans les formes de réalisation préférées, la poignée comprend des dispositifs (12, 310) de connexion situés vers l'avant qui peuvent être couplés à la tête postérieure du foret, une partie poignée (14) située vers l'arrière et au moins une partie (16) de liaison qui s'étend vers l'arrière depuis les dispositifs de connexion jusqu'à la partie poignée, ladite partie de liaison comprenant des dispositifs d'amortissement.

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