公开(公告)号：US20210107638A1

公开(公告)日：2021-04-15

申请号：US16599471

申请日：2019-10-11

Applicant: Bell Textron Inc.

Inventor： Kyle Thomas CRAVENER ,  Andrew MARESH

IPC: B64C29/00 ,  B64C11/20

Abstract: An exemplary blade lock for a tiltrotor aircraft to enable and disable a folding degree of freedom and a pitching degree of freedom of a rotor blade assembly includes a link pivotally connected to a lever and a bellcrank, where the link is in a center position when the lever is in a locked position disabling the folding degree of freedom and the lever is secured in the locked position when the link is positioned in an over-center position.

公开(公告)号：US20230182887A1

公开(公告)日：2023-06-15

申请号：US17552052

申请日：2021-12-15

Applicant: Bell Textron Inc.

Inventor： Kyle Thomas CRAVENER ,  Andrew MARESH ,  Jonathan Andrew KNOLL

IPC: B64C11/28 ,  B64C11/04 ,  B64C27/28 ,  B64C29/00

CPC classification number: B64C11/28 ,  B64C11/04 ,  B64C27/28 ,  B64C29/0033

Abstract: A system for retaining a folded proprotor blade in flight. The system includes a mounting plate, a first arm coupled to the mounting plate at an acute angle relative to the mounting plate, and a first deformable pad affixed to the first arm and adapted to contact the folded proprotor blade.

公开(公告)号：US20210114721A1

公开(公告)日：2021-04-22

申请号：US16655855

申请日：2019-10-17

Applicant: Bell Textron Inc.

Inventor： Kyle Thomas CRAVENER ,  Andrew MARESH ,  Mark Adam WIINIKKA

IPC: B64C27/57 ,  B64C29/00 ,  B64C27/605 ,  B64C27/80 ,  B64C11/28 ,  B64C11/32

Abstract: An exemplary pitch lock for a tiltrotor aircraft to enable and disable a pitching degree of freedom of a rotor blade assembly includes a first tab coupled to a blade stop assembly, the first tab having a first ramp surface, a second tab coupled to a blade cuff, the second tab having a second ramp surface, a hasp having a central opening to receive the first and the second tab and rollers rotatably coupled to the hasp on opposite sides of the central opening, where the rollers engage the first and second ramp surfaces and retain the first and the second tabs in the central opening.

公开(公告)号：US20210114715A1

公开(公告)日：2021-04-22

申请号：US16655400

申请日：2019-10-17

Applicant: Bell Textron Inc.

Inventor： Kyle Thomas CRAVENER ,  Andrew MARESH ,  Chyausong TZENG

IPC: B64C11/28 ,  B64C29/00 ,  B64C27/605 ,  B64C27/80 ,  B64C11/32 ,  B64C27/57

Abstract: An exemplary length adjustable link includes a tube having an internal bore and internal surface, a first rod end having a first shaft disposed in a first end of the internal bore, a second rod end having a second shaft disposed in a second end of the internal bore, and a member threadably connecting the first rod end to the second rod end.

公开(公告)号：US20210107624A1

公开(公告)日：2021-04-15

申请号：US16599483

申请日：2019-10-11

Applicant: Bell Textron Inc.

Inventor： Kyle Thomas CRAVENER ,  Christopher Edward FOSKEY ,  Andrew MARESH

IPC: B64C11/28 ,  B64C29/00 ,  B64C27/80 ,  B64C27/605 ,  B64C27/64 ,  B64C27/59 ,  B64C11/32 ,  B64C27/57 ,  B64C11/38

Abstract: An exemplary spring-loaded link for an aircraft including a spring interposed between a first and a second rod, the spring, when compressed, urging the first rod and the second rod away from each other.