Ships – Towing or pushing – Towing by means of cable
Patent
1998-08-24
2000-09-19
Avila, Stephen
Ships
Towing or pushing
Towing by means of cable
114215, B63B 2104
Patent
active
061196177
ABSTRACT:
The invention provides a shock absorbing device for attaching a tow rope to a boat for the purposes of water sports comprising a bias element attached between a boat and the load end of a tow rope such that when a load sufficient to overcome the biassing force of the bias element is placed on the tow rope the separation between the boat and the load end of the tow rope is increased by a limited distance. The bias element can conveniently be located inside a tow rope pylon, with a cable emerging for attachment of the tow rope. In a simple form, the invention can be a spring in line with a tow rope, with a restricted extension. The invention greatly reduces shock to athletes, and is particularly suited to wakeboarding, as the bias element provides a sling-shot effect which allows for higher jumps than would normally be possible.
REFERENCES:
patent: 869130 (1907-10-01), Bierie
patent: 3952685 (1976-04-01), Hollenbush
patent: 5906173 (1999-05-01), Day, Jr. et al.
patent: 5934217 (1999-08-01), Allsop
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