Expansion bolt

Details Expansion bolt Expansion bolt

1981-01-19

1983-08-23

Wolfe, Robert L.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 33, F16B 1306

Patent

active

044001223

ABSTRACT:
The invention relates to an expansion bolt of a type having an expansible shell arranged on an elongated stud, with a tapered plug being provided to expand the shell in use. In order to render the bolt more versatile, a spacer is provided between the plug and the expansible shell, the spacer being in the form of finger elements which engage the inner surface of the shell to expand it.

REFERENCES:
patent: 3248998 (1966-05-01), Siegel
patent: 4293259 (1981-10-01), Liebig
patent: 4337012 (1982-06-01), Sohnius

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