Ceiling cord puller propeller

An apparatus for running wire includes a housing for a biasing member attached to a piston. A locking member retains the piston in a biased position and triggers release of the piston. The piston accelerates upon release and propels a pull string attached to a projectile toward a target.

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Bibliographische Detailangaben
Hauptverfasser: DIGGLE, III FREDERICK JAMES, RIVERS PAUL BRENT
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An apparatus for running wire includes a housing for a biasing member attached to a piston. A locking member retains the piston in a biased position and triggers release of the piston. The piston accelerates upon release and propels a pull string attached to a projectile toward a target.