High visibility hook latch
OwnerAndres Hernandezinventor
Life of this patent
Estimating the term…
Abstract
A hook latch may include a hook arm, a first elongate member, a second elongate member, a link, and four pivot points. The hook arm and the first elongate member may be connected at a first pivot point. The first elongate member and the second elongate member may be connected at a second pivot point. The hook arm and the link may be connected at a third pivot point. The second elongate member and the link may be connected at a fourth pivot point.
Claims38
A high visibility hook latch comprising:
- a hook arm comprising:
- an arm having a distal end and a proximal end;
- a hook positioned at the distal end of the arm, the hook having a distal end;
- wherein the hook arm is configured to transition from a first configuration to a second configuration, wherein a distance between the proximal end of the arm and the distal end of the hook comprises a first length when the hook arm is in the first configuration and the distance comprises a second length when the hook arm is in the second configuration, the second length different from the first length;
- a handle pivotably attached to the distal end of the arm;
- a connector having a proximal end and a distal end, the distal end of the connector pivotably attached to the handle;
- and
- a link, wherein the proximal end of the arm is pivotably attached to the link and the proximal end of the connector is pivotably attached to the link.
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A hook latch assembly comprising:
- a base;
- a door;
- a high visibility hook latch configured to be retrofitted on aircraft for holding the door in a closed position relative to the base, the latch comprising:
- a hook arm;
- a handle pivotably attached to a distal end of the hook arm;
- a connector having a proximal end and a distal end, the distal end of the connector pivotably attached to the handle;
- and
- a link, wherein the proximal end of the hook arm is pivotably attached to the link and the proximal end of the connector is pivotably attached to the link.
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A hook latch configured to be retrofitted in a cowling system, the hook latch comprising:
- an elongate hook arm having a hook at a hook end;
- a handle pivotably attached to the hook arm at the other end, away from the hook end;
- an elongate connector having a link end and a handle end, the handle end of the connector pivotably attached to the handle;
- a link comprising a main connection point configured to connect to the exterior of an aircraft engine, a hook-arm pivot point, and a connector pivot point, the hook end of the hook arm is pivotably attached to the link at the hook-arm pivot point, and the link end of the connector is pivotably attached to the link at the connector pivot point;
- and
- the hook-arm pivot point of the link and the connector pivot point of the link are configured to respond to a force on the handle in a direction away from the aircraft to begin a disconnection process by simultaneously pivoting around the main connection point away from the exterior of the aircraft engine, thereby lengthening the distance between the main connection point and the hook end of the elongate hook arm.
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Dependencies are inferred from the claim text.