Machine component retention

Details Machine component retention Machine component retention

2008-01-10

2011-11-22

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Turbo machine

C416S22000A, C416S221000, C416S21900R, C416S24400R

Reexamination Certificate

active

08061995

ABSTRACT:
An axial retention system for restraining axial movement of a first machine component having a dovetail within a complimentary-shaped dovetail slot in a second machine component that includes a first curved groove formed in a bottom surface of the dovetail slot and a second curved groove formed in a bottom surface of the dovetail. The first and second grooves are in alignment when the dovetail is located within the dovetail slot to thereby form a closed periphery aperture. A curved locking clip is received within the closed periphery aperture. An optional cover plate may be placed over the ends of the locking clip, with ends of the locking clip deformed by, for example, swaging.

REFERENCES:
patent: 1619133 (1927-03-01), Kasley
patent: 2445154 (1948-07-01), Reed
patent: 2753149 (1956-07-01), Kurti
patent: 2828942 (1958-04-01), McCullough et al.
patent: 4022545 (1977-05-01), Shank
patent: 5993160 (1999-11-01), Bouchard et al.
patent: 6109877 (2000-08-01), Gekht et al.
patent: 6533550 (2003-03-01), Mills
U.S. Appl. No. 12/078,758, filed Apr. 4, 2008.

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