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Rotor blade stowing system

  • US 5,868,351 A
  • Filed: 05/23/1996
  • Issued: 02/09/1999
  • Est. Priority Date: 05/23/1996
  • Status: Expired due to Term
First Claim
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1. A rotor blade stowing system for stowing a rotor blade comprising:

  • a rotary actuator for pivoting a rotor blade between folded and deployed positions, said blade being pivotally connected to a blade grip member, said rotary actuator being disposed on said blade, said rotary actuator being operably coupled to a blade pivoting cam and a locking cam, said blade pivoting cam having a shoulder portion, said locking cam having a detent;

    a cam follower linkage having a first end and a second end, said first end of said cam follower linkage having a blade pivoting cam follower and a locking cam follower, said blade pivoting cam follower on said first end of said cam follower linkage following said blade pivoting cam, said locking cam follower on said first end of said cam follower linkage following said locking cam, said second end of said cam follower linkage being coupled to said blade grip member;

    a locking linkage having a first end and a second end, said first end of said locking linkage being coupled to said locking cam;

    a shaft rotatably coupled to said blade grip member;

    a locking linkage bell crank operably coupled to said shaft;

    a locking linkage idler operably coupled to said locking linkage bell crank and said second end of said locking linkage, said locking linkage idler having a delay cam follower;

    a shaft support housing; and

    a delay cam coupled to said shaft support housing with said shaft extending through said delay cam, said delay cam including an arcuate portion such that said delay cam follower of said locking linkage idler can follow said arcuate portion of said delay cam without causing rotation of said shaft.

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