Clutch mechanism of an outboard motor

Details Clutch mechanism of an outboard motor Clutch mechanism of an outboard motor

2011-08-23

2011-08-23

Lorence, Richard M. (Department: 3655)

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

C192S051000, C192S069830, C192S108000, C440S075000

Reexamination Certificate

active

08002097

ABSTRACT:
A clutch mechanism of an outboard motor includes a forward gear and a reverse gear that are always driven in opposite directions by a drive shaft driven by a drive system, and a dog gear disposed around the output shaft. The forward gear, the reverse gear, and the dog gear are provided with a plurality of engaging projections and engaging recesses that can be engaged with each other, with the dog gear being engaged with either the forward gear or with the reverse gear by forceably moving the dog gear toward one side in the axial direction. A drive shaft has a drive gear and is driven by the drive system generating a maximum output power of about 300 ps or more, the forward gear and the reverse gear have input gears respectively which are always engaged with the drive gear, and the engaging projections and the engaging recesses are located radially inside of the input gears and disposed at least seven in a row along a circumference thereof.

REFERENCES:
patent: 4527441 (1985-07-01), Nakahama
patent: 4820210 (1989-04-01), Dretzka
patent: 5791950 (1998-08-01), Weronke et al.
patent: 6893305 (2005-05-01), Natsume et al.

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