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US 4,301,979 AGranted
Winch
OwnerPaul D. Cavanaghinventor
Life of this patent
Estimating the term…
Abstract
In a winch or capstan, means for holding the free end of a rope in readily releasable condition but with sufficient force to insure that the turns of rope on the winch drum will not slip as the rope under tension is being wound thereon.
Claims2
A winch comprising a base and a rotatable circular drum mounted thereon, said drum having an upper end,
- means for rotating said drum, said means being located axially of said drum,
- the upper end of said drum having extending upwardly therefrom a circular wall flaring outwardly at an angle from the vertical to control the position of turns of rope being wound on said drum,
- said flared end wall containing a plurality of tapered notches adapted to receive and to hold against longitudinal movement under the forces present in the operation of said winch, the free end of the rope when placed in at least two of said notches,
- said tapered notches being of such dimensions as to be wider at their upper ends and narrower at their lower ends than the diameter of the rope placed therein,
- and means located below the bottom of said notches and surrounding said drum rotating means for closing the upper end of said drum.
2 more elements
Dependencies are inferred from the claim text.