Key and key joint

Details Key and key joint Key and key joint

1984-11-23

1986-10-07

Husar, Cornelius J.

Joints and connections

Interfitted members

Including separably interposed key

F16D 108

Patent

active

046156399

ABSTRACT:
An improved key and key joint are disclosed. The key has a generally solid central portion and a pair of end portions. Each end portion is coterminus with the central portion and has a pair of spaced-apart longitudinal prongs. The inside surface of each prong is substantially parallel to the inside surface of the other prong and both inside surfaces are substantially planar. The key is assembled in the key joint with the slots defined by the longitudinal prongs extending from top to bottom through the key in a radial direction. A key joint thus assembled reduces the stress concentration factor attributable to a key joint assembled with a standard key to provide for a gradual transition between the strain of a shaft and the strain of a hub in torsion.

REFERENCES:
patent: 1323172 (1919-11-01), Dover
patent: 1734188 (1929-11-01), Wilson
patent: 2041123 (1936-05-01), Foppl
patent: 3378285 (1968-04-01), Staley
patent: 3679246 (1972-07-01), Bloomquist et al.
patent: 3920343 (1975-11-01), Blue et al.
Barnard et al, "Bifurcated Hub Key", IBM Technical Disclosure Bulletin, vol. 22, No. 1, 6/1979.
Standard Product Catalog, The Falk Corporation, Milwaukee, Wisconsin, 1982, pp. 544-545.

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