Speaker cover grille installation

Details Speaker cover grille installation Speaker cover grille installation

1989-12-26

1990-12-04

Fuller, Benjamin R.

Acoustics

Diaphragm and enclosure

Recessed

181171, 181175, 381193, H05K 500

Patent

active

049746987

ABSTRACT:
A frameless pierced metal speaker grille is directly attached to a panel in which a speaker opening is formed by a series of tabs integrally formed in the speaker grille at spaced locations about the perimeter of the grille. Each tab includes a rear facing planar section extending inwardly from a turned edge perimeter of the cover grille and abutted against the panel structure, a v shaped engagement section extending rearwardly from the planar section and having legs adapted to squeeze fit the panel edge adjacent the speaker opening, and an entry section extending rearwardly from the v section and inclined inwardly to cam the tab inwardly at assembly of the grille. The tab shape enables secure spring fitting to the panel structure while being formed of the relatively mild material of the grille material which is pierced as by being perforated to form the open area cover grille.

REFERENCES:
patent: 3041601 (1962-06-01), Wetzel
patent: 3859480 (1975-01-01), Birkner et al.
patent: 4179009 (1979-12-01), Birkner
patent: 4325455 (1982-04-01), Kirkpatrick
patent: 4424881 (1984-01-01), Hattori
patent: 4503292 (1985-03-01), Johnson et al.

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