Screw attachment pocket with guide tab

Details Screw attachment pocket with guide tab Screw attachment pocket with guide tab

1988-09-20

1989-06-27

Grimley, Arthur T.

Electricity: conductors and insulators

Boxes and housings

With electrical device

411433, H02G 308

Patent

active

048431893

ABSTRACT:
A molded electrical box is provided with attachment housings at opposite ends thereof. The attachment housing include a fixed arcuate surface and a movable partially threaded cam member to engage a screw inserted therein. A guide tab extends partially across the open front of the attachment housing and has an arcuate end surface to guide the screw between the engaging surfaces and prevent the screw from abutting a forwardly facing end of the cam member.

REFERENCES:
patent: 3352341 (1967-11-01), Schertz
patent: 3876821 (1975-04-01), Pringle
patent: 3955463 (1976-05-01), Hoehn
patent: 4071158 (1978-01-01), Miheu
patent: 4315100 (1982-02-01), Haslbeck
patent: 4424405 (1984-01-01), Nattel

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