| 摘要 |
<p>A hammer tool with a drive motor (16) and a hammer mechanism (35), said hammer mechanism including a drive piston (38) reciprocably movable in a cylinder (34) for driving a hammer piston (39) towards a working tool (13) releasably coupled to the front end of the hammer tool. The hammer tool comprises a changeable motor section (11) containing the drive motor (16) with a motor shaft (19) connected to a first part of coupling means (50) and a hammer section (12) containing the hammer mechanism (35). Said mechanism comprises bevel gears (46, 47) for transmitting drive force from an input drive shaft (45) to said drive piston (38). Said shaft is connected to a second part of said coupling means (50) in which a flywheel (48) is incorporated. The parts of the coupling means and the flywheel are adapted to each other for providing a power transmission from the drive motor shaft (19) to the input drive shaft (45) of said hammer mechanism when the two sections (11, 12) are connected thus enabling to easily change the drive motor.</p> |
