Reusable wall 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

411346, 411409, F16B 3504, F16B 3700

Patent

active

042982987

ABSTRACT:
A reusable wall fastener such as a toggle bolt, which can attach articles to an apertured wall, including a bolt portion with a head and a retaining end thereon, and a captured nut threadingly engaging the bolt between the head and the end. The captured nut includes laterally extending wings or posts which are received in openings in an elongated toggle housing. The toggle housing further includes elongated and transverse apertures for respectively permitting the threading of the bolt both longitudinally and transversely through the housing. A biasing arrangement normally biases the toggle housing in a coaxial orientation with respect to the bolt in order to insert and remove the toggle bolt through the apertured wall. A cam surface on the toggle housing engages the inside face of the wall to thereby pivot the toggle housing against the bias into a position transverse with respect to the bolt so that the housing will engage the inside face of the wall as the bolt is continuously threaded into the housing. A cutting tool is also included which can be coupled to the toggle housing for cutting the aperture in the wall.

REFERENCES:
patent: 309817 (1884-12-01), Barton
patent: 1168257 (1916-01-01), Kennedy
patent: 1694494 (1928-12-01), Tomkinson
patent: 2609723 (1952-09-01), Stubbs
patent: 2682190 (1954-06-01), Snyder
patent: 2897694 (1959-08-01), Carney
patent: 3127807 (1964-04-01), Modrey
patent: 3927597 (1975-12-01), Stults et al.
patent: 4047462 (1977-09-01), Hurtig
patent: 4196883 (1980-04-01), Einhorn et al.

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