Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1978-02-21
1980-09-02
Reynolds, B. A.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
200296, 248 273, 339128, H05K 502
Patent
active
042208084
ABSTRACT:
The present invention is directed to a unique device for mounting electrical apparatus to a wall panel, wherein the device includes a main body portion having a cavity for holding components of the electrical apparatus and a pillar-shaped portion attached to the main body portion and extending through an opening in the wall panel. A free end of the pillar-shaped portion includes a plurality of outwardly protruding steps which overlap the wall panel, with a first set of the steps having a first axial length and a second set of the steps having a second, shorter axial length. A biasing member extends between the main body portion and the wall panel and biases the wall panel into contact with only the first set of steps, creating a gap between the wall panel and the second set of steps. A cover member surrounds the free end of the pillar-shaped portion and extends into the gap, with the second set of steps biasing the cover into contact with the wall panel.
REFERENCES:
patent: 2891103 (1959-06-01), Swengel
patent: 3243206 (1966-03-01), Samer
patent: 3432802 (1969-03-01), Ritchie
patent: 3681593 (1972-08-01), Genovese et al.
patent: 3770925 (1973-11-01), Nelson et al.
patent: 3941965 (1976-03-01), Piber
patent: 3971908 (1976-07-01), Piber
Izumi Denki Corporation
Reynolds B. A.
Tone D. A.
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