Expansible fixing member

Details Expansible fixing member Expansible fixing member

1995-11-13

1998-04-21

Safavi, Michael

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

Having separate expander means

Relatively sliding wedge surfaces

52698, 52707, 411 80, 411903, F16B 1304

Patent

active

057411000

ABSTRACT:
A fixing element has a shank having a rear end and a leading end, a holding element arranged on the rear end of clamping an article to a building component, at least one expansion region extending from the leading end in a longitudinal direction for part of a length of the shank. The expansion region is formed by a longitudinal slot with a base surface raising toward the leading end. A expansion member is inserted in the longitudinal slot. The base surface slopes upwardly and ends at an outer circumference of the shank at a distance from the leading end. The expansion member is formed as a wedge with a length substantially corresponding to a lenght of the longitudinal slot and lies on the base surface so as to be displaceable toward the leading end. The wedge has an outer surface provided with roof-shaped teeth which project beyond the shank at least by a part of a height of the teeth.

REFERENCES:
patent: 939457 (1909-11-01), Vernon et al.
patent: 1396398 (1921-11-01), Bowman
patent: 1996121 (1935-04-01), Phillips
patent: 2878668 (1959-03-01), Starling et al.
patent: 2934990 (1960-05-01), Johnson et al.
patent: 3427919 (1969-02-01), Lerich
patent: 4193246 (1980-03-01), Schiefer et al.
patent: 5490365 (1996-02-01), Roth

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