Shearing pin moment of rotation limiting arrangement for two con

Details Shearing pin moment of rotation limiting arrangement for two con Shearing pin moment of rotation limiting arrangement for two con

1981-05-08

1983-06-21

Levy, Stuart S.

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

Overload release coupling

Torque transmitted via frangible element

403 2, F16D 356, F16D 900

Patent

active

043892027

ABSTRACT:
A torsionally elastic shaft coupling arrangement with shear pins, and with a common cone bearing surface being utilized to drive the units. The coupling arrangement includes first and second constructional units which are rotatable relative to each other, and wherein the cone bearing surface extends taperingly intermediate the two coupling halves. Each constructional unit has an annular frontal surface and the frontal surfaces are disposed generally in axial alignment, and a locking ring having flanged portions extending therefrom encloses the annular frontal surfaces. A plurality of resilient attachment elements are distributed about the circumference of one of the constructional units to apply a biasing force to the locking ring so as to cause the surface of the locking ring to be maintained in running engagement with the frontal surface of the other constructional unit. An axial clearance is provided along a portion of the running surface of the locking ring to compensate for wear along the cone bearing surfaces, and thereby avoid introduction of oscillatory motion in the system which has been found to generate radial shearing forces on the shear pins.

REFERENCES:
patent: 1978209 (1934-10-01), Kuhns
patent: 2969661 (1961-01-01), Swanson
patent: 2976704 (1961-03-01), Kleinschmidt
patent: 3855818 (1974-12-01), Hochreuter
patent: 4186570 (1980-02-01), Pokrandt

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