Electricity: conductors and insulators – Boxes and housings – With electrical device
Patent
1990-11-23
1994-05-10
Picard, Leo P.
Electricity: conductors and insulators
Boxes and housings
With electrical device
174 48, 248343, 248906, H02G 320
Patent
active
RE0346039
ABSTRACT:
An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each tab having a bolt hole aligned with one of the square bolt holes. A square necked carriage bolt extends through each square bolt hole and its aligned tab bolt hole, with a lock nut on each of the bolts for supporting the hanging load. A spacer sleeve surrounds each of the bolts, between the base plate and the tabs, forming a rigid structure when the nuts are tightened. The sidewall further includes mounting holes for side mounting of the junction box for a supporting structure, permitting flush mounting of the box relative to a ceiling.
REFERENCES:
patent: 1537780 (1925-05-01), Oefinger
patent: 2671821 (1954-03-01), Zientowski et al.
patent: 4538786 (1985-09-01), Manning
patent: 4684092 (1987-08-01), Reiker
Caison Gregory W.
Wilson David G.
Fasco Industries Incorporated
Picard Leo P.
Tone David A.
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