Electric heating – Heating devices – Combined with diverse-type art device
Patent
1985-03-15
1986-08-26
Albritton, Clarence L.
Electric heating
Heating devices
Combined with diverse-type art device
84411R, H05B 326, G10D 302
Patent
active
046084835
ABSTRACT:
A mechanism for heating the head of a percussion drum includes a pair of membranes disposed in tight adjacency to each other and tautly held with respect to the annular drum wall and a wire loop electrically connected to an external source of electricity and being tightly sandwiched concentrically between the membranes for insuring heat dissipation radially outwardly and inwardly therefrom with a minimization of the heat being lost to ambient air before the primary purpose of thorough membrane heating has first been realized.
REFERENCES:
patent: 1020378 (1912-03-01), Wanamaker
patent: 2617325 (1952-11-01), Astle
patent: 2655071 (1953-10-01), Levay
Arnold Richard N.
Harris Haynie
Albritton Clarence L.
Walberg Teresa
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