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Portable power tool

  • US 5,766,062 A
  • Filed: 06/09/1997
  • Issued: 06/16/1998
  • Est. Priority Date: 06/13/1996
  • Status: Expired due to Term
First Claim
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1. Portable power tool for operating a wheel type grinding or cutting working implement, comprising a housing (10), a rotation motor, an output spindle (11) drivingly connected to said motor, a working implement supporting flange (14) carried by said output spindle (11), a safety guard (16) partially surrounding the working implement and movably supported on said housing (10) for movement between alternative positions, and a selectively operable arresting device (18) for engagement with a lock means (20) on said safety guard (16) in said alternative positions, characterized in that said support flange (14) is provided with a number of indentations (21), and said arresting device (18) is shiftable between a first position in which it engages said lock means (20) on said safety guard (16), a second position in which it engages both said lock means (20) on said safety guard (16) and either one of said indentations (21) on said support flange (14), and a third position in which it neither engages said safety guard lock means (20) nor anyone of said indentations (21) on said support flange (14).

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