Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Washer structure – Spacer
Patent
1991-01-14
1992-04-28
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Washer structure
Spacer
411535, 200 37, 439539, F16B 4302, H02G 308
Patent
active
051082438
ABSTRACT:
A spacing apparatus to be used in conjunction with electrical wiring boxes, comprising an elongated thin foldable strip approximatelly 1" in width and 6" in length which further comprises a multiplicity of rectangular shaped equal sized sections each having a round central hole, whereby a certain number of the multiplicity of sections can be folded together to form a rectangular shaped corrugated spacer with a desired thickness to fill the gap between the screw arms of the electrical wiring devices and a round central hole to accommodate the fastening screw.
REFERENCES:
patent: 2205626 (1940-06-01), Mason
patent: 4437784 (1984-03-01), Peterson
patent: 4909692 (1990-03-01), Hendren
patent: 4948317 (1990-08-01), Marinaro
Rozsa Thomas I.
Wilson Neill R.
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