Expansion dowel

Details Expansion dowel Expansion dowel

1996-04-03

1997-09-09

Kim, Harry C.

Joints and connections

Member ends joined by inserted section

Expansible section

403282, 411 55, 411 60, 411181, F16B 204

Patent

active

056649010

ABSTRACT:
An expansion dowel (1) is formed of an axially extending dowel member (2) having a leading end and a trailing end. The trailing end has an outwardly projecting collar (9) with an expansion region extending axially from the trailing end toward the leading end with at least one axially extending slot (7) or breakout groove therein. The dowel member (2) has a central throughbore (3) arranged to receive an expanding element (8). Throughbore (3) has an inside thread (15) in its leading end region. The expanding element (8) is an axially extending sleeve insertable into the trailing end of the throughbore (3) for expanding the expansion region (6).

REFERENCES:
patent: 2308592 (1943-01-01), Raybould
patent: 4259890 (1981-04-01), Walsh
patent: 4752168 (1988-06-01), Richter
patent: 5116176 (1992-05-01), Yousuke

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