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US 2018/0009641 A1Published application
Winch drum with internal wire storage
AssigneeNational Oilwell Varco Norway AS
InventorsYngvar BORØY, Thor STRAND, Anders ERIKSSON, Anibal B. TEIXEIRA
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Abstract
A winch drum device includes a first winch drum with an outer surface adapted to accommodate axially displaced turns of wire rope and further includes a wire rope storage means, such as a recess, extending at least partially radially in from said outer surface. The wire rope storage means is adapted to accommodate one or more layers of the wire rope. The winch drum device may be incorporated into a winch.
Claims16
Winch drum device comprising:
- a first winch drum with an outer surface adapted to accommodate a plurality of axially displaced turns of wire rope;
- a wire rope storage means extending at least partially radially in from said outer surface of the first winch drum;
- wherein the wire rope storage means is adapted to accommodate one or more turns of the wire rope.
A winch comprising:
- a first winch drum with an outer surface adapted to accommodate a plurality of axially displaced turns of wire rope;
- a wire rope storage recess extending at least partially radially in from said outer surface of the first winch drum;
- wherein the wire rope storage recess is adapted to accommodate one or more turns of the wire rope.
Dependencies are inferred from the claim text.