Pin for fixing a piece to a thin supporting wall

Details Pin for fixing a piece to a thin supporting wall Pin for fixing a piece to a thin supporting wall

1992-10-16

1993-09-21

Wilson, Neill R.

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

Having separate expander means

With hole forming means

411 55, 411 59, 411183, F16B 1304, F16B 1306

Patent

active

052463230

ABSTRACT:
The pin comprises an expansion body (2) and, around the body, an expandable tubular sleeve (3) made from a flexible material, with a stop collar (12) and an end (10) forming a nut. With the pin extending through an orifice pierced in the wall with the sleeve collar (12) bearing against the front face of the wall, the nut (10) interacts with an end part of the body, is driven towards the collar (12) and brings about the expansion of the sleeve (3) and its squashing against the rear face of the wall. The body (2) is tubular, in order to receive a screw for fixing a piece upon the wall, and has, unlike the end part, a collar (7) for bearing against the one (12) on the sleeve (3). The sleeve (3) is plastically deformable and means (42) are provided for preventing the rotation of the body (2) with respect to the sleeve (3) in the opposite direction to the direction of expansion. The end of the body (2) is provided with a piercing bit (4).
The pin of the invention can be applied well to bricks.

REFERENCES:
patent: 2918841 (1959-12-01), Poupitch
patent: 3316796 (1967-05-01), Young
patent: 3935786 (1976-02-01), Murray et al.
patent: 3942407 (1976-03-01), Mortensen
patent: 4007659 (1977-02-01), Stencel
patent: 4617692 (1986-10-01), Bond et al.
patent: 4875815 (1989-10-01), Phillips, II
patent: 4984946 (1991-01-01), Phillips, II
patent: 5183357 (1993-02-01), Palm

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