Hand Tool Machine Having An Oscillatory Drive
First Claim
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1. A hand tool machine comprising:
- a housing;
a drive motor arranged within said housing;
a motor shaft driven rotatingly by said drive motor;
a working spindle received within said housing and having a receptacle configured for receiving a tool; and
an oscillatory drive gear driven by said motor shaft configured for driving said working spindle rotatingly oscillatingly about a longitudinal axis thereof;
said oscillatory drive gear comprising;
a coupling element arranged on said motor shaft, said coupling element having a closed guide surface revolving around said motor shaft;
at least a first driver guided for translatory movement;
whereinsaid first driver at one end thereof engages said closed guide surface of said coupling element; and
said first driver engages said working spindle at a circumferential region thereof for moving said working spindle rotatingly oscillatingly about a longitudinal axis thereof when said first driver is moved back and forth by said coupling element.
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Abstract
A hand tool is disclosed, comprising a housing, a motor shaft being coupled to a drive motor, a working spindle configured for being driven rotatingly oscillatingly about its longitudinal axis, and a coupling element being driven rotatingly by the motor shaft and having a closed guide surface that revolves around the motor shaft. The guide surface is coupled, via transmission means, to at least one driver for driving the latter. The at least one driver is arranged movably relative to the working spindle and engages the working spindle at a circumferential region thereof for driving the latter rotatingly oscillatingly.
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Citations
20 Claims
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1. A hand tool machine comprising:
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a housing; a drive motor arranged within said housing; a motor shaft driven rotatingly by said drive motor; a working spindle received within said housing and having a receptacle configured for receiving a tool; and an oscillatory drive gear driven by said motor shaft configured for driving said working spindle rotatingly oscillatingly about a longitudinal axis thereof; said oscillatory drive gear comprising; a coupling element arranged on said motor shaft, said coupling element having a closed guide surface revolving around said motor shaft; at least a first driver guided for translatory movement; wherein said first driver at one end thereof engages said closed guide surface of said coupling element; and said first driver engages said working spindle at a circumferential region thereof for moving said working spindle rotatingly oscillatingly about a longitudinal axis thereof when said first driver is moved back and forth by said coupling element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A hand tool machine comprising:
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a housing; a drive motor arranged within said housing; a motor shaft driven rotatingly by said drive motor; a working spindle received within said housing and having a receptacle configured for receiving a tool; and an oscillatory drive gear driven by said motor shaft configured for driving said working spindle rotatingly oscillatingly about a longitudinal axis thereof; said oscillatory drive gear comprising; a wobble bearing arranged on said motor shaft and having an outer ring; first and second drivers, each of said first and second drivers having a first end being hinged to said outer ring; each of said first and second drivers engaging said working spindle at a circumferential region thereof for moving said working spindle rotatingly oscillatingly about a longitudinal axis thereof when said first and second drivers are moved by said outer ring of said wobble bearing. - View Dependent Claims (13, 14)
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15. A hand tool machine comprising:
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a housing; a drive motor arranged within said housing; a motor shaft driven rotatingly by said drive motor; a working spindle received within said housing and having a receptacle configured for receiving a tool; and an oscillatory drive gear driven by said motor shaft configured for driving said working spindle rotatingly oscillatingly about a longitudinal axis thereof; said oscillatory drive gear comprising; a cam shaft driven by said motor shaft; a least a first cam arranged on said cam shaft; at least a first driver guided for translatory movement;
whereinsaid first driver at one end thereof engages said first cam; and said first driver engages said working spindle at a circumferential region thereof for moving said working spindle rotatingly oscillatingly about a longitudinal axis thereof when said first driver is moved back and forth by said first cam. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification