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Portable power tool

  • US 5,263,283 A
  • Filed: 06/30/1992
  • Issued: 11/23/1993
  • Est. Priority Date: 07/05/1991
  • Status: Expired due to Term
First Claim
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1. Portable power tool comprising a housing for receiving a motor and an angled gear for driving a tool;

  • a hollow spindle driven by said angled gear;

    two flanges for clamping said tool therebetween and arranged at one end of said hollow spindle, a first one of said flanges being provided on said hollow spindle;

    a clamping bolt arranged within said hollow spindle and having a first end and a second end opposite said first end, said first end facing said tool and comprising a second one of said flanges;

    a manually actuable clamping device including two stops arranged coaxially around said hollow spindle and including at least one elastic element for forcing said two stops into opposite directions, a first one of said stops being axially fixed and a second one of said stops being axially displaceable by means of said elastic element, said clamping device further including a clamping lever being operably connected to said axially displaceable stop for shifting said axially displaceable stop between a first axial retaining position for retaining said tool and a second axial releasing position for releasing said tool;

    a retaining element provided on said second end of said clamping bolt, said retaining element being impinged by said axially displaceable stop for retaining said tool non-rotatably when said axially displaceable stop is in said first retaining position and said retaining element being released when said axially displaceable stop is in said second releasing position.

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