Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1989-08-28
1991-08-06
Taylor, Dennis L.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
294 74, 405 1, B63C 306
Patent
active
050372378
ABSTRACT:
A pair of opposed protectors for protecting the hull of a boat from abrasion or other contact damage by a sling used in lifting the boat during launching, haul out or the like, each protector being in the form of an elongate member which is positioned between the boat hull and the portion of the sling which would otherwise engage the hull, each protector being affixed at one end thereof to the boat by reverse U-shaped members which releasably engage the lifeline of the boat to permit the position of the protector to be adjusted longitudinally of the boat for alignment with the sling, each protector having a polyvinyl chloride hull contacting face with a layer of cellular polyvinyl chloride or cellular polyethylene backing material bonded thereto, a two sided pressure sensitive tape being affixed to each protector adjacent the opposed end thereof for further releasably affixing each protector to the boat. The opposed ends of the protectors in a pair are adjacent to one another, but do not transmit tensile loads therebetween. A second, like pair of protectors is used when the boat handling device uses a second sling which is spaced apart from the first sling, the second pair of protectors protecting the hull from damage by the second sling.
REFERENCES:
patent: 2771315 (1956-11-01), Fenwick
patent: 3524543 (1970-08-01), Bundy et al.
patent: 3622025 (1971-11-01), Peterson
patent: 4039217 (1977-08-01), Bryant
patent: 4200325 (1980-04-01), Johnson
patent: 4350380 (1982-09-01), Williams
patent: 4441748 (1984-04-01), St. Germain
patent: 4653419 (1987-03-01), Brandon
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