Title: Cine projection screen

Abstract: The specification describes a roll up cine projection screen comprising struts for holding it taut in the extended condition for use. It is adapted to be held on a rolling up rod or a tubular casing on a carrier and in the case of which the struts are adapted to pivot with the cine projection screen held taut by them about a horizontal axis. The screen can be secured in several angular positions by means of two pivot bearings having vertical and horizontal axis respectively.

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Inventors: Hoffbauer, Hans Gunther (Bad Lippspringe, DT)
Kaufmann, Karl (Bad Lippspringe, DT)

Application Number: 463407
Filing Date: 1974-04-23
Publication_date: 1976-03-09
Assignee: Mechanische Weberie GmbH. (DT)
Primary Class(es): 359/461 248/324
Other Classes:
US Patent Ref:

1732489	Oct, 1929	Uckotter	248/278.
1977844	Oct, 1934	Blanchard	160/265.
2793687	May, 1957	Petrick	160/328.
3233658	Feb, 1966	Riedel	160/328.
3485471	Dec, 1969	McCurdy	248/278.
3592255	Jul, 1971	Potter et al.	160/24.
3750994	Aug, 1973	Bieschke	248/324.
3750995	Aug, 1973	Genger	248/324.

Other Refs:
Primary Examiner: Hix, L. T.
Assistant Examiner: O'Connor, E. M.
Attorney: Ostrolenk, Faber, Gerb & Soffen