Hammer drill bit chuck attachment

Details Hammer drill bit chuck attachment Hammer drill bit chuck attachment

B - Operations, Transporting

23

B

B23B 31/02 (2006.01) B23B 45/16 (2006.01)

Patent

CA 2540096

A hammer drill bit chuck attachment for use with a conventional electric drill comprises a main shaft for secure engagement in the chuck of the drill. An actuator mechanism is mounted in freely rotatable relation on the main shaft. An impact--receiving member is connected to the main shaft for rotation therewith about the longitudinal axis and for longitudinal sliding movement substantially along the longitudinal axis between an operatively engaged position whereat the actuator mechanism engages the impact-receiving member as the main shaft rotates with respect to the actuator mechanism, to thereby impart reciprocating motion along the longitudinal axis to the impact-receiving member, and a disengaged position whereat the actuator mechanism is removed from the engagement with the impact-receiving member. A rotation--precluding link is operatively connectable between the actuator mechanism and a conventional electric drill for substantially precluding rotation of the actuator mechanism on the main shaft.

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