Expansion plug

Details Expansion plug Expansion plug

1977-07-06

1979-03-06

Britts, Ramon S.

F16B 1306

Patent

active

041424409

ABSTRACT:
An expansion plug has a pair of expansion shanks separated by a slit which extends along most of the length of the plug. A receiving channel for a fastener extends within the plug and along its length. The outer surface of each shank has a plurality of teeth which do not extend beyond the cylindrical profile of the plug. A pair of locking tongues extends outwardly from the plug at an acute angle to the plug axis. The expansion shanks are connected to each other by a series of longitudinally extending and longitudinally offset frangible wall portions.

REFERENCES:
patent: 3171321 (1965-03-01), Fischer
patent: 3187620 (1965-06-01), Fischer
patent: 3236145 (1966-02-01), Schenkel
patent: 3383976 (1968-05-01), Schenkel
patent: 3522756 (1970-08-01), VON Wolff

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