Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1975-05-22
1976-05-11
Truhe, J. V.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
174 57, 174 67, 339 36, H02G 312
Patent
active
039565734
ABSTRACT:
Flush type floor box including a flat floor plate assembly having a pair of caps which cover a duplex receptacle. For access to the receptacle the caps are pried up and swung away by using a tool such as the tip of a screwdriver. The floor plate can be adjusted vertically and tilted in a vertical position so as to be level or flush with the floor surface either at the time of the pour or after the concrete has hardened.
REFERENCES:
patent: 1305610 (1919-06-01), Krantz
patent: 2033602 (1936-03-01), Adam
patent: 2559151 (1951-07-01), Getzoff
patent: 2886630 (1959-05-01), Gill
patent: 2936092 (1960-05-01), Johnson
patent: 2996566 (1961-08-01), Stas
patent: 3027416 (1962-03-01), Kissel
patent: 3064850 (1962-11-01), Kelly
patent: 3187922 (1965-06-01), Hoskins et al.
Myers John L.
Singleton David L.
Olsson Frederick J.
Textron Inc.
Tone David A.
Truhe J. V.
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