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Automatically Retractable Marine Ladder
An automatically retractable marine ladder, and a method of using the ladder. The ladder rotates between a horizontal/resting position, and an angular/in-use position, under at least in part the influence of a force-generating element, such as a cantilever weight, spring, etc.
Automatically Retractable Marine Ladder
An automatically retractable marine ladder, and a method of using the ladder. The ladder rotates between a horizontal/resting position, and an angular/in-use position, under at least in part the influence of a force-generating element, such as a cantilever weight, spring, etc.
Automatically Retractable Marine Ladder
FREGEAU TREVOR WENDELL (author)
2023-11-09
Patent
Electronic Resource
English