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AssigneeRobert Bosch GmbH
InventorAldo Di Nicolantonio
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Abstract
In a hand-guided, motor-driven compass saw machine (1), having a housing (2) that contains a saw blade (3) that can be moved in the vertical direction by a lifter rod (4), and having an oscillation mechanism that has a roller lever (5), which is contained in the housing so that it can rotate around a horizontal first axis (50) and supports a roller (51) that remains in contact with the saw blade (3) and rotates around a horizontal second axis (55), which oscillation mechanism also has a fork lever (6) that periodically deflects the roller lever (5), an adaptive adjustment of the forward saw progress to the advancing force of the compass saw machine (1) is achieved by virtue of the fact that the oscillation mechanism produces an oscillation of the saw blade (3) as a function of the pressure.
Claims11
A motor-driven compass saw machine (1), having a housing (2) that contains a longitudinally moving lifter rod (4), which supports a saw blade (3), and an oscillation mechanism that is able to impart a variable oscillation stroke, which is oriented lateral to the longitudinal motion, to the saw blade (3), wherein it is possible to automatically adjust the oscillation stroke smoothly between the maximum and minimum stroke during the sawing process, as a function of the operating mode.
Dependencies are inferred from the claim text.