Fastening element with expanding sleeve

Details Fastening element with expanding sleeve Fastening element with expanding sleeve

1989-04-20

1990-12-18

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 41, 411508, 411913, F16B 1306

Patent

active

049782665

ABSTRACT:
A fastening element particularly adapted for use in conjunction with a mandrel for opening the expandable sleeve of the fastening element into secure relationship with a wall having a hole into which the fastening element is inserted. The sleeve is designed to provide a radial channel for enveloping the plate member adjacent the hole. The mandrel becomes a part of the fastener and offers good resistance to shear forces and also provides the means for removing the fastening element as well as fixing it to the object to be fastened.

REFERENCES:
patent: 1862152 (1932-06-01), Lee
patent: 1889807 (1932-12-01), Lee
patent: 2555292 (1951-05-01), Poupitch
patent: 3217584 (1965-11-01), Amesbury
patent: 3710674 (1973-01-01), Tabor
patent: 4133245 (1979-01-01), Ruihley et al.
patent: 4250732 (1981-02-01), Moryl

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