Arrangement in connection with a swingable turn-up onboard/outbo

Details Arrangement in connection with a swingable turn-up onboard/outbo Arrangement in connection with a swingable turn-up onboard/outbo

1994-02-16

1995-06-06

Avila, Stephen P.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 75, B63H 512

Patent

active

054217547

ABSTRACT:
An arrangement in a swingable turn-up inboard/outboard stern aggregate (1) for craft with an inboard engine and an outboard driving unit (2) comprising a screw (5), where the inboard driving shaft (3) of the stern aggregate (1) for connection with the engine is connected with a screw shaft (4) which is approximately horizontal in a position for use and is mounted in the lower end of a housing (7) by the aid of a transmission shaft (6), which is divided into two sections (6a, 6b) and surrounded by housing (7). The first section (6a) is at one end mounted (8) in the upper end of housing (7) and connected with driving shaft (3), via a first universal joint (A), and is at its other end, via an angular gear (B), connected with an upper end of section (6b) which is inclined rearwards and downwards. The lower end of second section (6b) is connected with screw shaft (4) at a firm angle (V), via a transmission (C) of torsional moment. In connection with angular gear (B) comprising two sets of angular gearwheels (B1, B2) a reversing unit (D) is provided to reverse the direction of rotation of lower section (6b) and, thus, the direction of movement of craft (10).

REFERENCES:
patent: 4565532 (1986-01-01), Conner
patent: 4643687 (1987-02-01), Yano et al.
patent: 4679673 (1987-07-01), Yamaoka et al.
patent: 4767365 (1988-08-01), Nakahama et al.
patent: 5018996 (1991-05-01), Newman et al.

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