Energy-absorbing link member and an aircraft seat fitted with su

Aeronautics and astronautics – Aircraft structure – Fuselage and body construction

Patent

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Details

188371, 2972161, B64D 2504

Patent

active

056999844

ABSTRACT:
An energy-absorbing bolt specially designed for an aircraft seat. It comprises an outer sleeve terminated at a first end by fastening means for fastening to a first structural element; an inner sleeve terminated at an opposite, second end by a rod suitable for being rigidly associated with a second structural element; the two sleeves being fitted one in the other in such a manner as to enable one to slide axially relative to the other in the event of the bolt being subjected to energy exceeding a certain threshold; a first pin constituting a fuse relative to the trigger threshold being mounted transversely in holes and being held in position by a locking member; a second pin also being mounted transversely so as to project at at least one of its ends from the inner sleeve in a complementary housing, and having, during axial sliding in the moving-apart direction, a first function of deforming the outer sleeve to absorb energy, and a second function of providing an end-of-stroke stop by co-operating with an inside projection of the outer sleeve.

REFERENCES:
patent: 2971566 (1961-02-01), Negroni
patent: 3538785 (1970-11-01), Grancon
patent: 3985388 (1976-10-01), Hogan
patent: 4150805 (1979-04-01), Mazelsky
patent: 5271314 (1993-12-01), Derrien
patent: 5273240 (1993-12-01), Sharon
patent: 5454622 (1995-10-01), Demopoulos

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