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Rotary knob device with a key function

  • US 6,667,446 B1
  • Filed: 11/22/2000
  • Issued: 12/23/2003
  • Est. Priority Date: 11/22/1999
  • Status: Expired due to Fees
First Claim
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1. A rotary knob device having a key function for manipulating control elements, wherein the rotary knob device includes a hollow rotary knob which can be rotated to manipulate a first control element, a key mounted in the rotary knob which can be linearly moved within the rotary knob to manipulate a second control element, wherein the rotary knob device further includes a holder which supports both the rotary knob and the key such that each can be moved separately on the holder from the other.

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