Tool machine, especially handheld tool machine
A technology of hand-held machine tools and machine tools, which is applied in the direction of manufacturing tools, portable mobile devices, metal processing equipment, etc., and can solve problems such as increasing frictional resistance and affecting efficiency
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[0020] Such as figure 1 As shown, the jigsaw 1 has a housing 2 in which are arranged an electric drive motor 3 and a transmission 4 for driving a reciprocating rod 5 on which a saw blade 7 is fastened via a fastening device 6 . On the underside of the housing 2 there is a base plate 8 which bears on the upper side of the workpiece during its machining. The saw blade 7 is arranged in front of the base plate 8 , wherein if necessary a recess can also be provided in the base plate 8 through which the saw blade 7 passes. The saw blade 7 is supported on the rear by a housing-side support device 9 .
[0021] The electric drive motor 3 has a rotor shaft or armature shaft 10 , the longitudinal axis of which is oriented orthogonally to the longitudinal axis of the reciprocating rod 5 . A section of the rotor shaft 10 protruding beyond the stator of the drive motor 3 is mounted rotatably in a ball bearing 11 in the housing, the ball bearing 11 being designed as a deep groove ball bear...
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