Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1997-11-12
1999-11-09
Avila, Stephen
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
440 65, B63H 5125
Patent
active
059803398
ABSTRACT:
It is an object of the current invention to provide a trim cylinder that is cost effective; it is further an object of the invention to provide a cylinder that has few parts, less than one-third the number of parts of present art; it is further an object of the invention to provide a unique and simple check valve for operation as a shock absorber and further to provide passages integral of the extruded or molded body allowing plumbing to be attached at one end only of the cylinder; also to eliminate the plastic shroud which normally covers unsightly plumbing.
REFERENCES:
patent: 5389018 (1995-02-01), Funami
patent: 5489226 (1996-02-01), Nakamura et al.
Dadd Paul M.
Hartman John E.
Venaleck John T.
Avila Stephen
Ohio Associated Enterprises, Inc.
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