Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent
1981-05-07
1984-05-29
Pitts, Harold I.
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
381 90, 312 71, 312 72, 312257R, A47B 8700
Patent
active
044517114
ABSTRACT:
A readily portable speaker enclosure having sides, a back and a top and bottom releasably held together by a clamping assembling wherein reinforcing fastening strips secured to the walls are held together by quick-connect disconnect fasteners, and a speaker board carrying speakers releasably held by the sides, top and bottom, whereby the speaker enclosure may be easily disassembled for storage or transport, thereby facilitating handling of large speakers.
REFERENCES:
patent: 2969268 (1961-01-01), Mason
patent: 3064086 (1962-11-01), Sedley
patent: 3194619 (1965-07-01), Dannenberg
patent: 3554623 (1971-01-01), Suckle
patent: 3583780 (1971-06-01), Berkowitz
patent: 4014597 (1977-03-01), Griffin, Jr.
patent: 4128738 (1978-12-01), Gallery
Pitts Harold I.
Schellin Eric P.
Schroeder L. C.
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