Anchoring fastener

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...

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Details

411345, 411346, F16B 2100, F16B 1304

Patent

active

060627859

ABSTRACT:
The fastening element uses a sleeve with a flanged end to insert in a hole drilled through an object, such as, a sign, and a structural element to which the object is to be attached. This allows the user to place the object in the position to be mounted and to drill a single hole of uniform diameter and insert the sleeve. An expandable element which either uses a plurality of bendable legs, or a pair of toggle elements, similar to a Toggle Bolt, is inserted with the sleeve to provide anchor members behind the structural element, such as a wall. The fastening element essentially allows one step drilling of a hole and securing of an object to a structure particularly in instance where access for use of a fastening nut on a bolt is not possible. The head of the bolt is of a sufficient radius to cover the flanged end of the sleeve when the fastening element is secured. The toggle element may also be used without the sleeve.

REFERENCES:
patent: 2916235 (1959-12-01), Nagel
patent: 3241420 (1966-03-01), Passer
patent: 3513746 (1970-05-01), Forsberg
patent: 3851560 (1974-12-01), Yago
patent: 3872768 (1975-03-01), Ernst et al.
patent: 4245545 (1981-01-01), Freeman
patent: 4500238 (1985-02-01), Vassiliou
patent: 4704057 (1987-11-01), McSherry
patent: 4907716 (1990-03-01), Wankel et al.
patent: 4997327 (1991-03-01), Cira
patent: 5226768 (1993-07-01), Speer
patent: 5509765 (1996-04-01), Algin
patent: 5690454 (1997-11-01), Smith

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