Non-rotating axially-paying-out ski-rope bobbin
US4163529A · kind A · utility
Inventors
Key dates
| Filing date | Sep 14, 1977 |
| Grant date | Aug 7, 1979 |
| Priority date | — |
| Expiry date | Sep 14, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S242/904
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A non-rotating axially-paying-out ski-rope bobbin comprises a molded-plastic body shaped to define a vertical-axis circumferentially-open annular space for receiving a ski-rope manually wound therein. A plurality of suction cups are fixed to the under face of the body for quickly and easily detachably fastening the bobbin to the rear deck of a motor boat. A bail-shaped element is swingable from a storage position in a plane close to and parallel to the plane of the suction cups, to an upright use position in which its crest overlies the bobbin adjacent its axis. A ski-rope guide is fixed to, or formed in, the crest of the bail-shaped element to change the vertical-conical over-edge rope-paying-out to a horizontal rearward paying-out. The guide is vertically open so that the rope, whose boat end is to be tied to the boat transom, will pull free from the bobbin when fully unwound therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.