Cone expansion wall-plug

Details Cone expansion wall-plug Cone expansion wall-plug

1989-03-02

1990-02-27

Gall, Lloyd A.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 57, 411 61, F16B 1306

Patent

active

049041355

ABSTRACT:
A cone expansion wall-plug is provided comprising a shank (1), a spacer (13) disposed about the shank, an expandable socket (4) and, at the end (5) of the shank (1), a cone (3) for expanding the socket (4). In order to be able to secure an object to be fixed against the edge of the anchorage hole formed within a supporting material for housing the wall-plug, the socket (4) includes a compressible zone (8) in the form of a bellows and bent lugs providing expansion and guiding teeth (10). The socket (4) is formed by die-stamping a metal sheet blank.

REFERENCES:
patent: 1305000 (1919-05-01), Ogden
patent: 1372035 (1921-03-01), Ogden
patent: 1460557 (1923-07-01), Ogden
patent: 1474980 (1923-11-01), Ogden
patent: 3421404 (1969-01-01), Jacobs
patent: 4002100 (1977-01-01), Bucheli
patent: 4753559 (1988-06-01), Pentesco

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