Supports: cabinet structure – With movable components – Having biasing means
Patent
1978-06-07
1979-09-04
Claffy, Kathleen H.
Supports: cabinet structure
With movable components
Having biasing means
179 1E, 312233, H05K 502
Patent
active
041669266
ABSTRACT:
A compact portable lectern device having a voice amplifier contained therein which may be easily placed upon a tabletop to provide a speaker's lectern and public address system. The device includes a cabinet case having a hinged panel which when swung open from the cabinet, forms the sloping shelf of the lectern. The hinged panel is provided with a pivotally mounted lever arm support member having its fulcrum laterally displaced and provides significant stability to the lectern shelf without the need of mechanical locks or fasteners. The device is additionally provided with a detachable microphone which may be conveniently stored with the cabinet during transport.
REFERENCES:
patent: 3023274 (1962-02-01), Shaw
patent: 3126450 (1964-03-01), Neil et al.
patent: 3443031 (1969-05-01), Bolick
Claffy Kathleen H.
Kemeny E. S.
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