Anchoring system

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum

Patent

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Details

114293, 2426022, 242603, 254374, B63B 2100, B66D 130

Patent

active

057792267

ABSTRACT:
A composite storage winch for use in the deployment and retrieval of anchor systems employed with motive offshore drilling platforms. The stowage winch includes: i) a pair or spaced apart pedestals on the drilling platform; ii) a drive shaft journaled in the pedestals; iii) first and second storage drums coaxially mounted on the drive shaft, the first storage drum having a diameter substantially less than that of the second storage drum; iv) a central circular flange having a diameter substantially greater than that of the second storage drum secured intermediate the first and second storage drums; v) second and third circular flanges having diameters substantially equal to the central flange and secured to the ends of the first and second drums; vi) a wire support groove extending from the outer peripheral edge of the sidewall on the central flange facing the second drum downwardly through the central flange tangentially with respect to the first drum and exiting from the central flange adjacent the first drum; vii) a wire rope lanyard having inboard and outboard ends with the inboard end fixedly secured to the second drum; viii) a wire mooring rope having inboard and outboard ends wound about the first drum with the inboard end extending through the wire support groove and being separably secured to the outboard end of the wire rope lanyard by a separable connector; and ix), a source of mobile power coupled to the drive shaft for rotation thereof.

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patent: 4722293 (1988-02-01), Foster et al.
patent: 4841898 (1989-06-01), Ballantyne
patent: 5522336 (1996-06-01), Fujita

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