Electric heating – Microwave heating – Tunnel furnace
Patent
1979-12-10
1981-08-11
Evans, F. L.
Electric heating
Microwave heating
Tunnel furnace
350 61, 350282, 350293, 350300, 350304, 219219, B60R 106, G02B 512
Patent
active
042831172
ABSTRACT:
This invention is a side-view mirror apparatus for vehicles. It includes a supporting frame having vertically spaced mounting members and an upright mirror assembly carried by such mounting members for rotation about an upright axis. A vertically arranged hollow shaft is secured at its upper end to the mirror assembly and is journaled for rotation in both of the mounting members. The mirror assembly includes two generally parallel back-to-back mirrors having sandwiched therebetween a planar arranged electrical heating element, one of the mirrors being non-glare. An elongated electrical conductor is received by the hollow portion of the shaft and is connected at one of its two ends to the heating element. The conductor is insulated from the shaft and a rotary drive is connected to the shaft for rotatably adjusting the mirror assembly.
REFERENCES:
patent: 2514647 (1950-07-01), Jolliffee
patent: 2585273 (1952-02-01), Prutzman
patent: 2797287 (1957-06-01), Prutzman
patent: 2803733 (1957-08-01), Kashirsky
patent: 2989896 (1961-06-01), Bertell
patent: 3132201 (1964-05-01), Bertell et al.
patent: 3135004 (1964-06-01), Naigraw
patent: 3146296 (1964-08-01), Fischer
patent: 3337285 (1967-08-01), Travis
patent: 3686473 (1972-08-01), Shirn et al.
patent: 4037286 (1977-07-01), Medearis et al.
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