Dual drive for power boats

Details Dual drive for power boats Dual drive for power boats

1996-01-22

1997-07-22

Swinehart, Edwin L.

Marine propulsion

Screw propeller

Having transmission

464160, 477178, 192150, 474 88, 384255, B63H 2014

Patent

active

056498446

ABSTRACT:
A drive system for a boat having a hull with an inboard motor and two spaced drive units mounted in the hull, including a dual drive package having a housing with first and second output shafts mounted in bearings in the housing and an input shaft mounted in bearings in the housing between the output shafts, first and second drive chain sprockets mounted on and spaced axially along the input shaft, a third drive chain sprocket mounted on the first output shaft, a fourth drive chain sprocket mounted on the second output shaft, a first drive chain coupling the first and third sprockets, a second drive chain coupling the second and fourth sprockets, and arrangements for connecting the input shaft to the motor and each of the output shafts to a respective drive unit. The drive system may further include first and second torque limiters for connecting between the respective drive units.

REFERENCES:
patent: 2232545 (1941-02-01), Lum
patent: 2402197 (1946-06-01), Kincannon
patent: 2689891 (1954-09-01), Silver et al.
patent: 3072090 (1963-01-01), Yarbrough
patent: 4565532 (1986-01-01), Connor
patent: 4728308 (1988-03-01), Weismann
patent: 4775342 (1988-10-01), Connor et al.
patent: 4889436 (1989-12-01), Lynn, Jr.
patent: 5074814 (1991-12-01), Hogg

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