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US 4,832,150 AGranted
Sound-permeable cover for a loudspeaker
OwnerGunter Just, Erich Stastnyinventors
Life of this patent
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Abstract
A sound-permeable loudspeaker cover including a frame in which are arranged mutually crossing webs of a synthetic plastic material delimiting sound passage openings. A sound-permeable material, for instance a fleece, a textile fabric or a knitting, covers the sound passage openings, and is arranged approximately in the middle of the webs. The webs are produced as a single part according to the injection molding process, and penetrate the sound-permeable material to anchor it at a plurality of individual locations.
Claims6
A sound-permeable loudspeaker cover, comprising:
- a frame having a plurality of webs made of a synthetic plastic material, each of said plurality of webs having a terminus surface at one end thereof and an opposing surface at an opposite end thereof, said plurality of webs delimiting sound passage openings;
- and
- a sound-permeable cloth material mounted to said frame covering said sound passage openings, said sound-permeable cloth material further positioned between said terminus surface and said opposing surface of each of said plurality of webs to define an interstitial relationship with each of said plurality of webs, such that said plurality of webs engrosses said sound-permeable cloth material to hold said sound-permeable cloth material to said frame at a plurality of individual locations.
Dependencies are inferred from the claim text.