Supports – Hold-down – Vehicle-mounted; for vehicle appurtenance
Patent
1980-12-08
1983-08-02
Schultz, William H.
Supports
Hold-down
Vehicle-mounted; for vehicle appurtenance
2441186, 410105, 410115, A47B 9700
Patent
active
043961754
ABSTRACT:
An improved track fitting for anchoring an aircraft seat to a seat track has a threaded "anti-rattle" fastener for forcing a flanged top portion of a movement restricting shear pin against the top of the seat track to prevent rattle and wear due to aircraft vibrations. A pivoted lever which also functions as a cover for the fitting is mounted on the body of the fitting for lifting the shear pin against the force of a shear pin spring which normally urges the pin into locking engagement with one of the slots in a seat track. To prevent tampering by a passenger, the lever is rendered inoperable when the anti-rattle fastener is actuated. A leaf spring carried by the lever engages the body and prevents the lever from rattling due to vibration. The lever can lock the shear pin in its upper disengaged position as the seat fitting is lowered into the seat track and can then be released so that the shear pin will drop into one of the slots in the seat track automatically as the fitting is moved fore or aft.
REFERENCES:
patent: 3570415 (1971-03-01), Drinnon et al.
patent: 3677195 (1972-07-01), Prete
patent: 4064811 (1977-12-01), Copeland
patent: 4114947 (1978-09-01), Nelson
patent: 4277043 (1981-07-01), Weik
Brunelle Rene J.
Fischer Ward E.
Long William A.
Clark Barry L.
Hoatson Jr. James R.
Page II William H.
Ramirez Ramon O.
Schultz William H.
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