Driven tubular wall-plug anchoring element for light and porous

Details Driven tubular wall-plug anchoring element for light and porous Driven tubular wall-plug anchoring element for light and porous

1988-12-08

1990-06-05

Smith, Gary L.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 54, 411 57, 411357, F16B 1306

Patent

active

049309633

ABSTRACT:
A wall plug anchor assembly is provided including a sleeve, a spherical body for flaring anchoring ends of the sleeve which body is inserted from a head end of the sleeve into an unslotted portion thereof, and a driver. By means of the driver, the spherical body is forced forward against concrete material which has entered into the sleeve interior. The operative end of the driver includes a wedge surface by and over which the spherical body can be laterally displaced away from a central axis of the sleeve in a direction of the sleeve walls in a wedge-induced or clamping movement.

REFERENCES:
patent: 1118544 (1914-11-01), Galligan
patent: 1716888 (1929-06-01), Griffith
patent: 2314445 (1943-03-01), DuVall
patent: 3022701 (1962-02-01), Potruch
patent: 4235150 (1980-11-01), Nony
patent: 4533288 (1985-08-01), Rivkin et al.

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