Electricity: transmission to vehicles – Flexible extensions – Reels
Patent
1984-03-08
1986-04-08
Reeves, Robert B.
Electricity: transmission to vehicles
Flexible extensions
Reels
242 848, 242 96, 324 65CR, H02G 1102, B65H 7502, G01R 2702
Patent
active
045814970
ABSTRACT:
An improved system for monitoring cathodic protection systems for marine installations wherein a reference electrode is utilized to measure and periodically monitor the cathodic reference potentials. The reference electrode is connected to one end of a cable and the opposite end portion of the cable is operatively connected to a reel. The reel is connected electrically to the marine installation through a voltmeter and the voltmeter provides readouts of the measured cathodic reference potentials. The present invention includes an improved reel which includes a contactor assembly adapted to maintain electrical continuity between the reel and the voltmeter as the cable is being wound onto and unwound from portions of the reel. The improved reel also includes a handle assembly having a storage position and an operating position wherein the handle assembly is adapted to cooperate in rotating portions of the reel to wind the cable onto and unwind the cable from portions of the reel and wherein the handle assembly is operable to lock the reel to prevent rotation of portions of the reel in the storage position of the handle assembly. The reel also includes a guide for guiding the cable as the cable is wound onto and unwound from portions of the reel.
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Photograph of commercially available reel.
Specification sheet for exhibit A.
Gibson Melvin G.
Morrison Keith L.
Riggs, Jr. Olen L.
Speligene Jeffrey P.
Addison William G.
Hubbuch David F.
Reeves Robert B.
Transworld Drilling Company
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