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Strapdown multifunction servoactuator apparatus for aircraft

  • US 4,345,195 A
  • Filed: 08/08/1980
  • Issued: 08/17/1982
  • Est. Priority Date: 12/13/1979
  • Status: Expired due to Term
First Claim
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1. A multifunction actuator apparatus for aircraft including a series actuator, the combination comprising:

  • housing means adapted to be mounted directly on the aircraft structure adajcent to the primary pilot controller-to-control surface actuation members and including first and second drive shafts journalled in said housing means,first linkage means drivably supported on said first drive shaft and coupled with said pilot controller member,second linkage means including a drive link drivably supported on said second drive shaft and further including a differential link coupled between said control surface member, and drive link and said first linkage means,series servomotor means including means drivably connecting said servomotor to said second drive shaft for positioning said drive link, andfirst and second authority limit means secured to said housing means adjacent said differential link and drive link and cooperable therewith, said first limiting means limiting the position of said pilot controller member between first predetermined maximum limits and said second limiting means limiting said drive link between second predetermined maximum limits.

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