Geometrical instruments
Patent
1977-06-06
1978-04-11
Lake, Roy
Geometrical instruments
339 36, H01R 1354
Patent
active
040836185
ABSTRACT:
A safety enclosure comprises a hollow thin flexible insulator having a vertical rectangular front panel with top and bottom horizontal edges and oppositely disposed vertical side edges. The insulator has top and bottom walls and oppositely disposed side walls. The top wall is integral with the panel and extends rearwardly and upwardly from the top edge. The bottom wall is integral with the panel and extends rearwardly and downwardly from the bottom edge. Each side wall is integral with the top and bottom walls and the panel and extends rearwardly and outwardly from the panel. The panel has a central opening. Each side wall has upper and lower horizontal elongated slots completely spanning the side wall and disposed respectively slightly above and slightly below said opening. The upper and lower slots of one side wall are horizontally aligned with the upper and lower slots respectively of the other side wall. The portion of the insulator including the top wall and the portions of side walls and panel between the top wall and the upper slots constitutes an upper section. The portion of the insulator including the bottom wall and the portions of the side walls and panel between the bottom wall and the lower slots constitutes a lower section. The upper section is hingedly secured to the panel by a first elongated horizontal living hinge defined by a first horizontal line in the panel interconnecting the adjacent ends of the upper slots. The lower section is hingedly secured to the panel by a second elongated horizontal living hinge defined by a second horizontal line in the panel interconnecting the adjacent ends of the lower slots. The upper section has first slotted means for detachably receiving a male plug and cord connected thereto. The lower section has second slotted means for detachably receiving a male plug and cord connected thereto. An elongated horizontal insulator cylinder has a central horizontal bore. One end of the cylinder is secured to the rear of the panel with the bore aligned with the central hole, said cylinder extending rearwardly from the panel.
REFERENCES:
patent: 2462756 (1949-02-01), Leopold
patent: 2934591 (1960-04-01), Tiikkainen
patent: 3639886 (1972-02-01), Drapkin
patent: 3775729 (1973-11-01), Casper
Desmond E. F.
Lake Roy
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