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Portable power tool with grease lubricated angle drive

  • US 6,698,533 B2
  • Filed: 11/15/2001
  • Issued: 03/02/2004
  • Est. Priority Date: 11/15/2000
  • Status: Active Grant
First Claim
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1. A portable power tool comprising:

  • a housing;

    a rotation motor;

    a drive pinion connected to said motor;

    an output spindle disposed at an angle to said drive pinion; and

    a bevel gear attached to said output spindle, said bevel gear and said drive pinion together forming an angle drive; and

    an output spindle arresting device comprising a number of recesses in said bevel gear, and a latch pawl movably supported in said housing and manually shiftable from an inactive position to an activate position to engage one of said recesses to arrest said bevel gear and said output spindle against rotation;

    wherein said housing comprises an angle drive chamber enclosing said angle drive and being partly filled with lubricating grease; and

    wherein a grease displacing element is connected to said latch pawl and arranged to re-locate grease from one part of said angle drive chamber to another part of said angle drive chamber when said latch pawl is shifted from said inactive position to said activated position.

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