Bobbin apparatus for use in radiosondes

Details Bobbin apparatus for use in radiosondes Bobbin apparatus for use in radiosondes

1981-07-01

1984-02-21

Christian, Leonard D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 96, 242118, 242222, B65H 5468

Patent

active

044325029

ABSTRACT:
Bobbin apparatus for releasing a connecting filament between a radiosonde and the sonde balloon in a controlled manner during the ascent thereof includes a longitudinally extending member adapted to be affixed to the balloon around which the filament is wound and having a transverse dimension which increases in the longitudinal direction from a narrow upper end to a wide lower end thereof. The filament will unwind from the bobbin member during ascent of the balloon causing the bobbin member to periodically oscillate in a manner such that the filament will unwind without fouling and at an appropriate rate.

REFERENCES:
patent: 2395006 (1946-02-01), Leslie
patent: 4262857 (1981-04-01), Gilbert

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