Expansible plug

Details Expansible plug Expansible plug

1992-05-08

1993-04-27

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Including sleeve and distinct tapered expander

411 15, 411 44, F16B 1306

Patent

active

052056899

ABSTRACT:
An expansible plug for anchoring in conical inwardly expanding drilled holes comprises multi-slotted expansion anchor having an inner opening with a cylindrical part, and an expander body having a bearing slope and a pin engaging in the inner opening of the expansion anchor, the inner opening of the expansion anchor having a front end provided with a funnel, a conically expanding first portion adjoining the funnel and a second portion having a length corresponding to the length of the first portion and reducing to a diameter of the inner opening. The bearing slope of the expander body rests in the funnel of the inner opening of the expansion anchor and is held by a peg clampingly engaging in the cylindrical part of the inner opening.

REFERENCES:
patent: 751902 (1904-02-01), Dodge
patent: 1438648 (1922-12-01), Jacobs
patent: 1746326 (1928-02-01), Tomkinson
patent: 3332312 (1967-07-01), Bixby
patent: 4770580 (1988-09-01), Fishcher

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