Dual end stop actuator and method

  • US 20020108492A1
  • Filed: 04/19/2002
  • Published: 08/15/2002
  • Est. Priority Date: 12/14/2000
  • Status: Active Grant
First Claim
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1. A dual end stop for a pneumatic actuator, said pneumatic actuator comprising an actuator housing, said actuator housing having a zone for pressure containment, a rotary drive element mounted for rotation within said actuator housing, said dual end stop comprising:

  • a first stop surface and a second stop surface mounted for stopping said rotary drive element in a corresponding first rotational position and a second rotational position;

    a first stop member for engaging said first stop surface, said first stop member being mounted outside of said zone for pressure containment; and

    a second stop member for engaging said second stop surface, said second stop member being mounted outside of said zone for pressure containment.

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