Gear synchronizer mechanism

192 clutches and power-stop control – Clutches – Progressive engagement

Patent

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Details

192 53A, 192 53G, F16D 2306

Patent

active

048755664

ABSTRACT:
In a gear synchronizer mechanism including a gear member rotatable on a shaft and having a cylindrical hub portion, a hub member mounted on the shaft for rotation therewith, a clutch sleeve formed at its one side with an internal conical surface and at its inner periphery with internal spline teeth in continual engagement with external spline teeth of the hub member and being axially shiftable on the hub member to be engaged at its internal spline teeth with external spline teeth of the hub portion, and a synchronizer ring formed with an external conical surface for frictional engagement with the internal conical surface of the sleeve and being axially movable on the hub portion to establish synchronization between the shaft and the gear when engaged with the sleeve, the hub portion of the gear is formed at its inner periphery with an annular groove and has a plurality of circumferentially spaced radial grooves defined therein, each of which receives therein a corresponding radially movable key element, and the key elements are supported by a radially contractible annular spring disposed within the annular groove of the hub portion and are resiliently engaged with the ring under the biasing force of the spring in such a manner as to restrict axial movement of the ring in shifting operation of the clutch sleeve.

REFERENCES:
patent: 1828508 (1931-10-01), Murray
patent: 2470208 (1949-05-01), Avila
patent: 2992714 (1961-07-01), Peras
patent: 3737016 (1973-06-01), Worner
patent: 3749215 (1973-07-01), Rommelshausen
patent: 4782929 (1988-11-01), Muller

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