Toothed torque transmitting device having reinforcement ribs

Details Toothed torque transmitting device having reinforcement ribs Toothed torque transmitting device having reinforcement ribs

1994-02-17

1996-12-24

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Nonmetallic element

464 98, F16D 356

Patent

active

055869386

ABSTRACT:
A device which can transmit torque between a first component (e.g., a flywheel) and a coaxial or nearly coaxial second component (such as a hydraulic drive) has an internally toothed hub which transmits torque to or receives torque from one of the components, and a flange which surrounds the hub and transmits torque to or receives torque from the other component. The flange has a disc disposed in a plane normal to the axis of the hub, a rim spaced apart from the hub and surrounding the disc, and pairs of reinforcing ribs defining acute angles which diverge from the rim toward the hub. The ribs of each pair are or can be mirror images of each other with reference to a plane located between such ribs and including the axis of the hub. One rib of each pair is subjected to tensional stresses and the other rib of each pair is subjected to compressive stresses when the one component rotates the hub or vice versa. The device can be made, at least in part, of a plastic material. Each rib can include a first portion at one side and a second portion at the other side of the disc. The flange can be connected to the other component by bolts, screws or the like having shanks extending through axially parallel holes in the enlarged radially outermost portions of the ribs; such radially outermost portions are or can be of one piece with the rim and with the disc.

REFERENCES:
patent: 3788099 (1974-01-01), Miller
patent: 3861172 (1975-01-01), Symann
patent: 3901047 (1975-08-01), Pletsch et al.
Bowex brochure (12 pages), Couplings for Engine Drives.

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