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US 4,225,026 AGranted
Clutch mechanism for automatic power transmission
AssigneeNissan Motor Co., Ltd.
InventorsTakahiro Yamamori, Kazuyoshi Iwanaga, Kunio Ohtsuka
Life of this patent
Estimating the term…
Abstract
Grooves formed in a cylindrical member of the high-and-reverse clutch are designed to receive therein detents or teeth of clutch plates respectively and each of openings formed in a drum member of forward drive clutch is designed to receive therein at least two adjacent teeth of each clutch plate so that these high-and-reverse and forward drive clutches can use common clutch plates.
Claims6
In a power transmission having:
- a first clutch including a first drum, a cylindrical member coaxially disposed within and secured to said first drum to be rotatable therewith and having therearound a plurality of grooves extending in parallel with the axis of said cylindrical member, and a plurality of first clutch plates each having on the periphery thereof radially outwardly projecting teeth which are splined to said grooves so that said first clutch plates are axially movable with respect to said cylindrical member;
- and a second clutch including a second drum having therearound a plurality of elongate through openings extending in parallel with the axis of said second drum, and a plurality of second clutch plates each having on the periphery thereof radially outwardly projecting teeth which are splined to said openings so that said second clutch plates are axially movable with respect to said second drum, the improvement comprising:
- said first and second clutch plates being identical in construction;
- said grooves being dimensioned to coact with individual teeth splined thereto;
- and, said openings being dimensioned to coact with multiple teeth splined thereto.
2 more elements
Dependencies are inferred from the claim text.