Shifting mechanism for outboard drive

Details Shifting mechanism for outboard drive Shifting mechanism for outboard drive

1995-04-12

1996-05-28

Basinger, Sherman

Marine propulsion

Screw propeller

Having transmission

192 487, 416129, 440 80, B63H 2308

Patent

active

055205593

ABSTRACT:
A shifting mechanism for an outboard drive of a watercraft provides reduced coupling shock when the forward gears are engaged by a dual clutch assembly, as well as provides for consistent and quick engagement of the clutch assembly with the gear. The shifting mechanism involves a first gear and a corresponding first clutch, and a second gear and a corresponding second clutch. A plunger carries the first and second clutches which are arranged on the plunger at unequal distances from their respective gears. This nonuniform spacial relationship between the clutches and gears causes one clutch to engage its corresponding gear before the other clutch engages its corresponding gear. The staggered engagement decreases shock on the transmission and permits quicker engagement between the clutches and gears.

REFERENCES:
patent: 3148557 (1964-09-01), Shimanckas
patent: 4570776 (1986-02-01), Iwashita et al.
patent: 4689027 (1987-08-01), Harada et al.
patent: 4793773 (1988-12-01), Kinouchi et al.
patent: 4957460 (1990-09-01), Harada et al.
patent: 5006084 (1991-04-01), Handa

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