Closure system

Details Closure system Closure system

1975-04-14

1977-04-12

Makay, Albert J.

Traversing hoists

Overhead

Cable

214 164C, 214 18R, 212 4, 49464, 110177, F26B 318, B65G 106

Patent

active

040169863

ABSTRACT:
An end closure system for selectively opening and closing at least one preselected guideway in a treatment chamber. The end closure system includes a plurality of vertically aligned panels, each having opposite ends slidably engaged in vertically disposed guide means. Connecting means are provided on each panel for raising or lowering a preselected panel and any panel above a preselected panel to provide access to the preselected guideway or guideways or to seal the guideway or guideways. In one embodiment of the invention lifting means are provided for engaging the connecting means on the preselected panel to raise and lower the preselected panel and any panels above the preselected panel.

REFERENCES:
patent: 593266 (1897-11-01), Wright
patent: 1157124 (1915-10-01), Ruble et al.
patent: 3298546 (1967-01-01), Jones
patent: 3492704 (1970-02-01), Schwellenbach

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