Telescoping linkage for helicopter sight

Details Telescoping linkage for helicopter sight Telescoping linkage for helicopter sight

1976-07-28

1977-12-13

Aegerter, Richard E.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

33138, 33262, 89 41EA, 242 54A, 244 83F, F41G 300

Patent

active

040622479

ABSTRACT:
A mechanical linkage connected between a pilot's helmet and a reference point in an aircraft permitting freedom of movement of the pilot's head in three dimensions as he visually tracks a target. A set of metal tapes provides freedom of movement in the longitudinal direction while two sets of mechanical linkages provide freedom of movement in the azimuth and elevational directions.

REFERENCES:
patent: 1387678 (1921-08-01), Anderson
patent: 2130993 (1938-09-01), Dubilier
patent: 2369258 (1945-02-01), Shebat
patent: 3016988 (1962-01-01), Browning
patent: 3070886 (1963-01-01), Tassie
patent: 3617015 (1971-11-01), Kinder

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