Optics: image projectors – Projected image combined with real object
Patent
1977-04-11
1978-12-26
Aegerter, Richard E.
Optics: image projectors
Projected image combined with real object
353120, 353109, 156123R, B29H 1700, G03B 2126
Patent
active
041313470
ABSTRACT:
In order to decrease light beam projectors and avoid time consuming and tedious transferring and exchanging operations in the tire manufacturing process, a light beam projecting apparatus of the present invention for use in production of an endless rubberized cord fabric, comprises a light beam projector disposed in spaced and opposed relation with a tire building drum to wrap a band-formed rubberized cord fabric; an indicator assembly located in the vicinity of the light beam projector and interposed between the light projector and the tire building drum, the indicator assembly including an indicator film having a multiplicity of indicating lines spaced from each other in a direction parallel to the rotational axis of the tire building drum to be projected upon the peripheral surface of the tire building drum; and a focus lens assembly arranged between the tire building drum and the indicator assembly and including at least a focus lens in alignment with the light beam projected through the indicator film by the light beam projector so as to focalize and enlarge indicated lines projected on the peripheral surface of the tire building drum.
REFERENCES:
patent: 1566519 (1925-12-01), Blankenship
patent: 3216318 (1965-11-01), Gaffard
patent: 3221594 (1965-12-01), Vargady
patent: 3242605 (1966-03-01), Kleinschmidt
patent: 3526454 (1970-09-01), Gerry
patent: 3728027 (1973-04-01), Watanabe
Hashimoto Mitsuo
Koguchi Mitsuo
Aegerter Richard E.
Bridgestone Tire Company Limited
Mitsui Miike Seisakusho Engineering Company Limited
Shepperd John W.
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