Expandable plug

Details Expandable plug Expandable plug

1975-03-10

1976-06-29

Britts, Ramon S.

Supports

Pipe or cable

Extending through plate

248216, F16B 1306

Patent

active

039657949

ABSTRACT:
An expandable plug or anchor having a diametrical hole in either the socket member or male member or both. The location of the hole or holes is such that unless the proper amount of relative movement between the socket member and male member necessary to properly expand the plug is effected, the hole or holes are blocked and a wire cannot be passed through the hole and be attached to the plug.

REFERENCES:
patent: 657491 (1900-09-01), James et al.
patent: 2771746 (1956-11-01), Fischer et al.
patent: 3455199 (1969-07-01), Semanchik

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