Trolling plate assembly

Ships – Steering mechanism – Speed retarders

Patent

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Details

B63H 2544

Patent

active

060735708

ABSTRACT:
A trolling plate assembly is designed for mounting on a cavitation plate on an outboard motor so that a plate member can be suspended behind a motorized propeller to limit velocity of the boat. The trolling plate includes a base, and a plate member suspended from the base via lateral support bars. A release mechanism allows the plate to rotate to a non-trolling position when water pressure against the front face of the plate member exceeds a predetermined threshold. The release mechanism utilizes a ramp and roller structure. The ramp forms an angle relative to the plate member. The angle can be adjusted so that different amounts of force are required to cause rotation of the plate member past a trip-point toward the non-trolling position.

REFERENCES:
patent: 2984203 (1961-05-01), Canning
patent: 3117548 (1964-01-01), Rasmussen
patent: 3136280 (1964-06-01), Bergum
patent: 3209716 (1965-10-01), Hartley
patent: 3965838 (1976-06-01), Uht
patent: 4549498 (1985-10-01), Meyer et al.
patent: 5005507 (1991-04-01), Dyer
patent: 5711241 (1998-01-01), Dyer
patent: B13965838 (1989-10-01), Uht

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