Patent ID: 11970870
Assignee: THE BOEING COMPANY
Field: Other consumer goods (Other fields)
Classification: CPC E  A | IPC A  E

Claim 6:
7. A fall restraint system comprising:
an extension member, comprising a first end and a second end that is opposite the first end, wherein:
the second end is movable relative to the first end along a plane; and
the second end is configured to extend away from the first end to an extended position and retract from the extended position toward the first end to a retracted position;

a flexible tether, having a fixed length and comprising an anchor end, attached to the second end of the extension member, and a user end, configured to attach to a user, wherein:
when in the extended position, the second end is no more than a second distance away from the first end; and
the sum of the fixed length and the second distance is less than a first distance away from the first end;

at least one sensor configured to detect a location of the user end of the flexible tether relative to the first end of the extension member; and
a controller in electrical communication with the extension member and configured to move the second end of the extension member relative to the first end of the extension member wherein the controller is further configured to prevent extension of the extension member based on the location of the user detected by the at least one sensor.