Static structures (e.g. – buildings) – Specified roof spaced from ceiling
Patent
1987-04-24
1989-03-07
Murtagh, John E.
Static structures (e.g., buildings)
Specified roof spaced from ceiling
52205, 52 90, 362147, 362365, E04B 700
Patent
active
048094684
ABSTRACT:
For connection in a building between a roof containing a skylight opening and a ceiling spaced from the roof and containing a ceiling opening, a light transmitter is provided. This light transmitter includes a base-frame unit for attachment to the ceiling at the ceiling opening and a light-emitting opening extending through the base-frame unit. The light transmitter also includes: (a) a light duct comprising a tubular member formed from a sheet of flexible material rolled up into a tubular form, and (b) means for attaching the tubular member to the base-frame unit at one end and to the roof at its other end, with the tubular member surrounding a reference line extending between the skylight opening and the light-emitting opening.
REFERENCES:
patent: 668404 (1901-02-01), Hameborg
patent: 3012375 (1961-12-01), Wasserman
patent: 3710520 (1973-01-01), Federowicz
patent: 4339900 (1982-07-01), Freeman
patent: 4365449 (1982-12-01), Liautaud
patent: 4453562 (1984-06-01), Palkovics
patent: 4576440 (1986-03-01), Worthington
patent: 4635172 (1987-01-01), Steinke
patent: 4733505 (1988-03-01), Van Dame
Freedman William
Jacobs Morton C.
Murtagh John E.
Rudy Andrew Joseph
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