Hammer tool

Details Hammer tool Hammer tool

B - Operations, Transporting

23

B

77/17

B23B 45/00 (2006.01) B25D 11/00 (2006.01) B25D 17/00 (2006.01) B25D 17/24 (2006.01)

Patent

CA 1198913

Abstract A hammer tool with a drive motor and a hammer mechanism, the hammer mechanism including a drive piston reciprocably movable in a cylinder for driving a hammer piston towards a working tool releasably coupled to the front end of the hammer tool. The hammer tool comprises a changeable motor section containing the drive motor with a motor shaft connected to a first part of a coupling device and a hammer section containing the mechanism. The hammer mechanism comprises bevel gears for transmitting drive force from an input drive shaft to the drive piston. The input drive shaft is connected to a second part of the coupling device in which a flywheel is incorporated. The parts of the coupling device and the flywheel are adapted to each other for providing a power trans- mission from the drive motor shaft to the input drive shaft of the hammer mechanism when the two sections are connected, thus enabling easy changing of the drive motor.

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