Drop marker

Details Drop marker Drop marker

1978-01-12

1981-06-02

Swisher, S. Clement

Signals and indicators

Indicators

By location

G09F 900

Patent

active

042704820

ABSTRACT:
A marker, designed to be dropped from an airplane to indicate its flight path along a ground area, includes an elongated streamer having first and second base members fixed to its respective ends. The streamer has transverse pleats folded accordian-style, which allow it to be folded to a first condition for storage between the base members and to open to a second condition where the streamer is extended longitudinally with the base members fixed to the respective ends of it. When unfolded in the air after being discharged from an aircraft, the base members pull the two ends of the streamer downward in an arch, which is then capable of draping over high field crops or trees.

REFERENCES:
patent: 2744557 (1956-05-01), Link
patent: 3428019 (1969-02-01), Tillay
patent: 3470846 (1969-10-01), Tillay
patent: 3973513 (1976-08-01), Howe

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