Convertible enclosure for buildings and areas

Details Convertible enclosure for buildings and areas Convertible enclosure for buildings and areas

1979-06-04

1981-07-28

Friedman, Carl D.

Static structures (e.g., buildings)

Enclosure including flaccid nonmetallic or foraminous surfacing

52 86, 135DIG1, E04B 112

Patent

active

042803063

ABSTRACT:
A convertible tennis-court enclosure, comprising a plurality of parallel supporting beams and two closure elements between two of the supporting beams to be extended simultaneously along the supporting beams, each element including a series of purlins arranged to slide on the supporting beams and connected in two's by a portion of a canvas fixed to the purlins, of which the length is equal to half that of the beams.

REFERENCES:
patent: 2610086 (1952-09-01), Shield
patent: 3315727 (1967-04-01), Clark
patent: 3400973 (1968-09-01), Herou
patent: 3500895 (1970-03-01), Silvernail
patent: 3766691 (1973-10-01), Ray
patent: 3766958 (1973-10-01), Mitchell

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