Electric heating – Heating devices – Combined with diverse-type art device
Patent
1991-11-22
1993-03-30
Walberg, Teresa J.
Electric heating
Heating devices
Combined with diverse-type art device
219521, 219218, 219385, H05B 320
Patent
active
051986388
ABSTRACT:
A retractable battery tray includes a supporting structure, a tray assembly, and a heating device. The support structure of the battery tray generally spans and attaches to two spaced apart supporting base structures of a telecommunications equipment cabinet and supports the tray assembly therebetween. One or more batteries are supported and carried on a tray member of the tray assembly and vertically ganged heavy-duty horizontally extending slide rails movably attach the tray member to the support structure. A closure panel attaches to the spaced apart supporting base structures to retainably conceal the tray in a retracted position. Positioned in the tray underneath the battery, the heating device includes a thin sheet-like heating pad sandwiched between a protective plate therebelow and an insulating sheet thereabove. The insulating sheet retains heat from the heating pad within the tray. The protective plate prevents the batteries from damaging the heating pad.
REFERENCES:
patent: 2179256 (1939-11-01), Gill
patent: 2196035 (1940-04-01), Shaw
patent: 2651703 (1953-09-01), Atkins
patent: 3156813 (1964-11-01), Trainor
patent: 3527925 (1970-09-01), Toyooka
patent: 3553426 (1971-01-01), Fink
patent: 3760770 (1973-09-01), Weaver
patent: 3869028 (1975-03-01), Sawada
patent: 4910386 (1990-03-01), Johnson
Reliance Comm/Tec Corporation
Walberg Teresa J.
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