Worm wheel and worm bar regulating swivel chair tray

Worm wheel and worm bar regulating swivel chair tray

  • CN 201,602,417 U
  • Filed: 02/08/2010
  • Issued: 10/13/2010
  • Est. Priority Date: 02/08/2010
  • Status: Active Grant
First Claim
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1. a worm and gear is regulated the swivel chair pallet, comprise base (1), be connected with housing (2) on the base (1), it is characterized in that being provided with in the described housing (2) shell (3) and sliding seat (4), be provided with spring (5) in the shell, be connected with screw rod (6) between shell and the base, screw flight is connected with adjusting device, and spring end withstands on the adjusting device, and adjusting device is connected with worm gear (7), worm gear is connected with rotating shaft (9) by worm screw (8), and rotating shaft stretches out outside the housing.

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