Rotatable elastic coupling

Details Rotatable elastic coupling Rotatable elastic coupling

1988-10-06

1990-08-28

Stodola, Daniel P.

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

Torque transmitted via flexible element

Element has plural convolutions wound about rotational axis

464 57, 464 59, F16D 372

Patent

active

049521942

ABSTRACT:
A rotatable elastic coupling for connecting two relatively rotatable shaft ends comprising a coiled spring having ends that are fixed to a respective shaft end. One of the shaft ends is provided with an extension that axially extends into the interior of the spring. In the region adjacent to the spring ends, an intermediate portion of the spring is radially spaced from the extension. A gap formed by the radial spacing between the intermediate spring portion and the extension is defined between an inner abutment surface of the spring portion and an outer abutment surface on the extension. Relative rotation of the shafts reduces the gap until the abutment surfaces come into contact and a rotational limit is reached.

REFERENCES:
patent: 1950448 (1934-03-01), Heisterkamp
patent: 2907189 (1959-10-01), Flieg
patent: 2945714 (1960-07-01), Egger
patent: 3030783 (1962-04-01), Schmidt
patent: 3091947 (1963-06-01), Thomsen
patent: 3726370 (1973-04-01), Hubbard, Jr.

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