Movable aircraft engine cowling

  • US 5,035,379 A
  • Filed: 04/05/1990
  • Issued: 07/30/1991
  • Est. Priority Date: 04/05/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. A cowling for an aircraft engine attached to the aircraft via a pylon mounting structure comprising:

  • (a) a stationary fairing portion;

    (b) a movable cowling portion defining a slot, movable between a closed position wherein the stationary fairing is disposed in the slot such that the engine is enclosed by the movable cowling portion and the stationary fairing, and an open position wherein the movable cowling portion is displaced away from the stationary fairing portion and the engine so as to expose the engine;

    (c) attaching means to slidably attach the movable cowling portion to the engine such that the movable cowling is movable between its open and closed positions along a direction generally parallel to a longitudinal axis of the engine and,(d) locking means operatively associated between the movable cowling and the stationary fairing to lock the movable cowling in its closed position, wherein the locking means comprises;

    (i) a hollow sleeve member mounted on the stationary fairing;

    (ii) a pin member mounted on the movable cowling portion and located so as to engage the hollow sleeve member when the movable cowling portion is in its closed position;

    (iii) a ring member located on the movable cowling portion; and

    ,(iv) a hook member mounted on the stationary fairing and located so as to engage the ring member when the movable cowling portion is in its closed position.

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