D-shaped slot having a relief

Details D-shaped slot having a relief D-shaped slot having a relief

2006-07-04

2006-07-04

Cottingham, John R. (Department: 2116)

Joints and connections

Interfitted members

Including separably interposed key

Reexamination Certificate

active

07070357

ABSTRACT:
A mechanical element having a slot adapted to receive a shaft. The slot comprises a circular portion; a planar portion; and two reliefs. Each relief is disposed intermediate the circular portion and the planar portion. In addition, each relief comprises a circular section and extends at least about 90 degrees. Each relief is coupled to the planar portion by a radius tangential to the planar portion.

REFERENCES:
patent: 6223615 (2001-05-01), Huck
patent: 6428236 (2002-08-01), Aota et al.
patent: 6648106 (2003-11-01), Hayabuchi et al.
patent: 2003/0129023 (2003-07-01), Brunner et al.

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