Self-adjusting masking plug for complex parts

Details Self-adjusting masking plug for complex parts Self-adjusting masking plug for complex parts

2008-05-27

2008-05-27

Edwards, Laura (Department: 1792)

Coating apparatus

Work surface shields, masks or protectors

C118S505000

Reexamination Certificate

active

11345481

ABSTRACT:
A self-adjusting masking plug is provided which is adapted to be received in a region of a complex part intended to be masked. The plug has a body adapted to be received within a region of the part intended to be masked. The body includes a first body half having at least one first perimeter wall conforming to a first portion of the intended region to be masked; a second body half having at least one second perimeter wall conforming to a second portion of the intended region to be masked; and a wishbone spring formed internally within the body such that it interconnects the first and second body halves. The wishbone spring includes a first half inner wall transversely spanning and interconnecting portions of the at least one first perimeter wall; a second half inner wall transversely spanning and interconnecting portions of the at least one second perimeter wall; and a common rib interconnecting the first and second inner walls. The plug is adapted to expand or compress depending on the tolerances of the part within the part.

REFERENCES:
patent: 3018535 (1962-01-01), Griffin
patent: 4254524 (1981-03-01), Okui
patent: 4512052 (1985-04-01), Bruno
patent: 4640434 (1987-02-01), Johnsen et al.
patent: 5327942 (1994-07-01), Black
patent: 5829482 (1998-11-01), Takabatake
patent: D458350 (2002-06-01), Wagner et al.
patent: 6622331 (2003-09-01), Yanagi
patent: 2004/0084466 (2004-05-01), Underwood
patent: 2005/0005716 (2005-01-01), Harris
patent: 1362769 (2003-11-01), None
patent: 02061088 (1988-03-01), None

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