Marine drive shift mechanism with chamfered shift rings, stepped

Details Marine drive shift mechanism with chamfered shift rings, stepped Marine drive shift mechanism with chamfered shift rings, stepped

1997-04-11

1998-11-03

Lorence, Richard M.

192 clutches and power-stop control

Field responsive frictional media type

192 4891, 192 51, 192 93R, 74378, 7447337, F16H 314, F16D 2104

Patent

active

058295640

ABSTRACT:
A marine drive shift mechanism includes a shift ring (200) having a chamfer zone (204) along an arcuate portion of its outer circumference facilitating ease of shifting. A stepped camming surface (222) provides step function shifting movement. Neutral positioning notches (238, 240) are provided on the clutch sleeve (18) to improve clutch sleeve (18) placement when the shift mechanism is in neutral.

REFERENCES:
patent: 3269497 (1966-08-01), Bergstedt
patent: 3923131 (1975-12-01), La Follette
patent: 4223773 (1980-09-01), Croisant
patent: 4244454 (1981-01-01), Bankstahl
patent: 4257506 (1981-03-01), Bankstahl
patent: 4630719 (1986-12-01), McCormick
patent: 4679682 (1987-07-01), Gray, Jr. et al.
patent: 5096034 (1992-03-01), Foster

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