Forward/backward gear shifting mechanism for outboard engine

Details Forward/backward gear shifting mechanism for outboard engine Forward/backward gear shifting mechanism for outboard engine

2006-10-24

2006-10-24

Swinehart, Ed (Department: 3617)

Marine propulsion

Screw propeller

Having transmission

Reexamination Certificate

active

07125296

ABSTRACT:
A forward/backward gear shifting mechanism for an outboard engine includes an operating cable passed through an outer pipe fixed to a bracket attached to an under cover and extended into an engine room, a shift rod for shifting a forward/backward gear, a driving arm for turning the shift rod, and a transmission mechanism linked to the operating cable to transmit operating force to the driving arm. The transmission mechanism includes an arm mechanism including an input arm, an output arm and a pivotal shaft and supported for turning about a fixed rotational axis by support members on the engine unit. The operating cable is linked to the input arm of the transmission mechanism by a slider, i.e., a linking member. A first connecting member connecting the input member and the slider is nearer to the bracket than a second connecting member connecting the operating cable and the slider. A necessary stroke of the operating cable is secured, choices of disposing the transmission mechanism are increased, the lightness of a shifting operation is improved, and the transmission mechanism is compact.

REFERENCES:
patent: 4403970 (1983-09-01), Dretzka et al.
patent: 4525149 (1985-06-01), Broughton et al.
patent: 5910191 (1999-06-01), Okamoto
patent: 6238255 (2001-05-01), Takase
patent: 6416367 (2002-07-01), Goebel
patent: 2003/0224672 (2003-12-01), Takada et al.
patent: 08-091296 (1996-04-01), None
patent: 09-123996 (1997-05-01), None

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