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US 4,293,121 AGranted
Winch arrangement
OwnerCarl O. H. Wallininventor
Life of this patent
Estimating the term…
Abstract
A winch arrangement having a feed wheel for feeding a hauling line, such as a line through the winch. The wheel is driven in the feed direction by means of a reciprocatingly movable member, such as a pivotable lever. The lever is pivoted with the aid of the outgoing part of the line, by effecting a pumping movement therewith.
Claims10
A winch arrangement comprising:
- a feed device for feeding a hauling line through the winch arrangement, the hauling line having an ingoing part coupled to a load and feeding into the feed device, and an outgoing part leaving the feed device;
- drive means for reciprocatingly driving said feed device;
- said drive means including a pivotable lever for engaging the outgoing part of the hauling line and arranged to be pivoted from a first position to a second position by means of tension applied to the outgoing part of the hauling line for driving the feed device in the feed direction;
- and means coupled to said pivotable lever for automatically returning said pivotable lever from its second position back to its first position after each working stroke of said pivotable lever;
- and
- said feed device including a non-return latch for selectively preventing return movement of the hauling line through the feed device, and means for automatically releasing said non-return latch immediately upon commencement of each working stroke and for reengaging said non-return latch at the latest when said working stroke is completed.
3 more elements
Dependencies are inferred from the claim text.