Annular groove in a shock protection device

Details Annular groove in a shock protection device Annular groove in a shock protection device

2011-05-17

2011-05-17

Dunwoody, Aaron (Department: 3679)

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

Overload release coupling

Torque transmitted via frangible element

C464S033000

Reexamination Certificate

active

07942748

ABSTRACT:
A shock protection device having opposing pluralities of frangible splines separated by an annular groove disposed in an internal splined opening in a drive hub, the splines for intermeshing engagement with a splined end of a drive shaft for transferring rotary motion to a cutter head from a driveline. Variation in the width of the annular groove enables precise adjustment of the fracture torque for the shock protection device beyond the adjustment possible through variation in the number or configuration of the individual splines.

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patent: 2006/0021316 (2006-02-01), Harkcom
patent: 2007/0099712 (2007-05-01), Smihal

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