Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1990-04-02
1991-05-07
Picard, Leo P.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 97, H01J 500
Patent
active
050138707
ABSTRACT:
An integral box attached to harpoon-shaped projections in the bottom of a channel-like duct member for electrical wiring by way of a fixed appendage and a pivotable locking tab. The latter has a lower portion extending below the base of the box and an upper portion. The lower portion is provided with a retaining appendage for a harpoon-shaped projection and the upper portion is provided with a locking mechanism.
REFERENCES:
patent: 3809799 (1974-05-01), Taylor
patent: 3927698 (1975-12-01), Johannsen
patent: 4156795 (1979-05-01), Lacan
patent: 4710853 (1987-12-01), Reinhardt
patent: 4953735 (1990-09-01), Tisbo et al.
Aparellaje Electrico S.A.
Ledynh Bot L.
Picard Leo P.
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