Boat propeller sled

Details Boat propeller sled Boat propeller sled

1996-05-03

1997-09-09

Avila, Stephen

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 71, B63H 5125

Patent

active

056649770

ABSTRACT:
A boat propeller sled comprising a spine, straps attached to the spine, and rails attached to the spine. The straps are sized to fit around an outboard motor lower unit, and to securely attach the spine to the lower unit. Each rail comprises a base attached to the spine, a forward ramp attached to the base, a runner attached to the forward ramp, and a rear ramp attached to the runner. In the preferred embodiment, the bases are attached to the spine at an angle of approximately ninety degrees, the forward ramps slope forward at an angle of approximately sixty degrees relative to the horizon, the runners are substantially horizontal, and the rear ramps slope upwards towards the rear at an angle of approximately thirty degrees relative to the horizon.

REFERENCES:
patent: D322256 (1991-12-01), Reeves
patent: 983587 (1911-02-01), Watkins
patent: 1825547 (1931-09-01), Rockwell
patent: 3859953 (1975-01-01), Todt
patent: 4078516 (1978-03-01), Balius
patent: 4565533 (1986-01-01), Springer
patent: 4902255 (1990-02-01), Faunda
patent: 4957459 (1990-09-01), Snyder
patent: 5066254 (1991-11-01), Bass et al.
patent: 5176550 (1993-01-01), Hooper
patent: 5178565 (1993-01-01), Jacobson
patent: 5205766 (1993-04-01), Arsenault

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