Aeronautics and astronautics – Retarding and restraining devices – Friction brakes
Patent
1979-11-01
1982-01-19
Barefoot, Galen L.
Aeronautics and astronautics
Retarding and restraining devices
Friction brakes
244115, B64F 102
Patent
active
043112900
ABSTRACT:
Apparatus and method for recovering and arresting an aircraft or other vele. A boom is swivelly connected to a support structure via braking mechanism. The boom is pivotally connected to the brake mechanism such that it can also pivot in a second, different plane intersecting the plane of rotation of the brake mechanism. A shear pin prevents pivoting of the boom in the second plane until the boom has experienced a predetermined load in that plane. The distal end of the boom distant from the brake mechanism is provided with structure for engaging the aircraft. When the aircraft is flown at and captured by the boom, the weight and motion of the aircraft breaks the shear pin, causing the boom to move in the second plane until engaged by a stop. This rapid change in position of the engaging end of the boom in the second plane prevents the aircraft from pendulating about the boom. Forward motion of the aircraft also causes movement within the brake mechanism in the first plane which absorbs the kinetic energy of the aircraft as the boom swivels against the brake mechanism, so that the aircraft is slowed and arrested.
REFERENCES:
patent: 983514 (1911-02-01), Palmer
patent: 1005610 (1911-10-01), Creager
patent: 1011733 (1911-12-01), Brown
patent: 1025042 (1912-04-01), Adam
patent: 1383595 (1921-07-01), Black
patent: 1686298 (1928-10-01), Uhl
patent: 1735385 (1929-11-01), Fisher
patent: 1756747 (1930-04-01), Holland
patent: 1842432 (1932-01-01), Stanton
patent: 3389880 (1968-06-01), Ferguson
patent: 3980259 (1976-09-01), Greenhalgh et al.
Barefoot Galen L.
Hansen Henry
Sciascia R. S.
The United States of America as represented by the Secretary of
Weinstein Stanton D.
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