Spreader dowel

Details Spreader dowel Spreader dowel

1996-03-29

1998-03-10

Meyers, Steven N.

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

Having separate expander means

Made up of plural expansible segments or sections

411 15, F16B 3102

Patent

active

057253420

ABSTRACT:
Spreading dowel, consisting of a dowel component (15) and a non circular spreader screw (1); whereby, the inner notch (17) of the dowel component (15) is fitted in its form for the outer contour of the spreader screw (1); whereby, the spreader screw (1) has one or more thread convolutions (9). By means of these thread convolutions (9), twisting the spreader screw (1) achieves the spreading expansion of the dowel component (15) together with an axial shifting of the spreader screw (1).

REFERENCES:
patent: 4862556 (1989-09-01), Grass
patent: 5246322 (1993-09-01), Salice
patent: 5536122 (1996-07-01), Weber

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