Tilting device for marine propulsion unit

Details Tilting device for marine propulsion unit Tilting device for marine propulsion unit

1989-06-19

1991-04-09

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 512

Patent

active

050060830

ABSTRACT:
A tilting device for a tiltable outboard drive unit on a marine vessel which prevents the drive unit, when in the tilted-down position, from freely moving toward the tilted-up position during normal operation. The tilting device includes a tilt cylinder device having a bypass valve, and is arranged so that the bypass valve of the tilt cylinder device is automatically closed when the drive unit is in the tilted-up position. Thereafter, when the drive unit is moved to the tilted-down position the bypass valve remains closed, thereby preventing the drive unit from freely moving toward the tilted-up position during normal operation.

REFERENCES:
patent: 3902449 (1975-09-01), Berry
patent: 4013249 (1977-03-01), Meyer et al.

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