Vertically collapsible wall partitions

Details Vertically collapsible wall partitions Vertically collapsible wall partitions

1991-03-25

1991-11-05

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160138, 1601681, E05F 1500

Patent

active

050624644

ABSTRACT:
A rigid wall partition system which is vertically upwardly movable into storage position and vertically downwardly movable to form a continuous wall. The system comprises a plurality of panels secured to members which in turn are pivotally secured to spaced trains of single pantographs, contraction of the pantograph causing the panels to fold, in accordion fashion and expansion of the pantographs causing the panels to move to vertical, wall-forming position.

REFERENCES:
patent: 702146 (1902-06-01), McCloud
patent: 1832966 (1931-11-01), Cook et al.
patent: 1892340 (1932-12-01), Guth
patent: 1965262 (1934-07-01), Seregi
patent: 2188300 (1940-01-01), Mishlenick
patent: 3378059 (1968-04-01), Young
patent: 3578060 (1971-05-01), Spencer

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