Electric actuator

Electric actuator

CN
  • CN 201,335,145 Y
  • Filed: 01/13/2009
  • Issued: 10/28/2009
  • Est. Priority Date: 01/13/2009
  • Status: Active Grant
First Claim
Patent Images

1. electric actuator, comprise shell and be arranged at the interior final controlling element body of shell, described shell comprises box body and lid, and described lid is provided with viewing window, it is characterized by:

  • described viewing window is, have window on lid, one week of bottom of window has the convex edge, and described convex edge upper surface has annular groove, be provided with O-ring seals in the annular groove, be placed with convex lens on the described convex edge, described convex lens top is provided with a metal backup shoe, and described metal backup shoe is fixedlyed connected with lid by screw.

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