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US 6,742,420 B2Granted
Thin wall fastener
OwnerErnest M. Aldamainventor
Life of this patent
Estimating the term…
Abstract
A fastener for mounting objects to a wall or to a floor. The fastener includes an anchor member having an elongate body with a shank portion having a spacer formed integrally with one end, a central longitudinal hole extending through the elongate body, and an internally thread section in the longitudinal hole near a second end of the shank. The shank further includes a deformable expansion region between the first end and the second end of the shank. The fastener further includes a mandrel configured to be received within the longitudinal hole of the elongate body.
Claims21
In combination:
- a surface having a surface thickness formed of a first thickness and a second thickness, said first thickness being formed of a structural member;
- a fastener formed of an anchor member comprising an elongate body having a shank portion with a first end and a second end, a spacer formed integrally with said first end, a central longitudinal hole extending through said elongate body, and an internally threaded section in said longitudinal hole near said second end, said shank including a deformable expansion region between said first end and said second end of said shank,
- a hole extending through said surface and having a first diameter and a second diameter, said hole being of said first diameter through said first thickness and being of said second diameter through said second thickness, said first diameter being larger than said threaded section of said shank and smaller than said spacer, said second diameter being larger than said spacer;
- and
- a mandrel configured to be received within said longitudinal hole, said mandrel comprising a head, a shaft, and a threaded portion on said shaft.
2 more elements
A fastener assembly comprising in combination:
- an anchor member comprising an elongate body having a shank portion with a first end and a second end, a spacer formed integrally with said first end, a central longitudinal hole extending through said elongate body, and an internally thread section in said longitudinal hole near said second end, said shank including a deformable expansion region between said first end and said second end of said shank,
- a mandrel configured to be received within said longitudinal hole, said mandrel comprising a head, a shaft, and a threaded portion on said shaft, and
- a spanner wrench having an engaging section of said spanner wrench with a perimeter sized and configured to fit within a hole into which said spacer is located.
A method for anchoring an object to a surface comprising a first layer and a second support layer, the steps comprising:
- (a) providing a fastener comprising an anchor member comprising an elongate body having a shank portion with a first end and a second end, a spacer formed integrally with said first end, a central longitudinal hole extending through said elongate body, and an internally thread section in said longitudinal hole near said second end, said shank including a deformable expansion region between said first end and said second end of said shank, and
- a mandrel configured to be received within said longitudinal hole, said mandrel comprising a head, and shaft, and a threaded portion on said shaft;
- (b) creating a hole in the surface, the hole having a first diameter through said second support layer, and a second diameter larger than said first diameter formed in said first layer;
- (c) placing said anchor member into the hole;
- (d) using a spanner wrench placed within the hole and around said spacer to engage said spacer to prevent said anchor member from rotating;
- and
- (e) applying rotational force to said mandrel causing said deformable expansion region of said anchor member to expand.
4 more elements
A method for anchoring an object to a surface comprising a first layer and a second support layer, the steps comprising:
- (a) providing a fastener comprising an anchor member comprising an elongate body having a shank portion with a first end and a second end, a spacer formed integrally with said first end, a central longitudinal hole extending through said elongate body, and an internally thread section in said longitudinal hole near said second end, said shank including a deformable expansion region between said first end and said second end of said shank, and
- a mandrel configured to be received within said longitudinal hole, said mandrel comprising a head, and shaft, and a threaded portion on said shaft;
- (b) creating a hole in the surface, the hole having a first diameter through said second support layer, and a second diameter larger than said first diameter formed in said first layer, wherein said second diameter is larger than said spacer, thereby leaving a gap around a perimeter of said spacer when said spacer is located within said hole;
- (c) placing said anchor member into the hole;
- (d) engaging said spacer to prevent said anchor member from rotating;
- and
- (e) applying rotational force to said mandrel causing said deformable expansion region of said anchor member to expand.
4 more elements
Dependencies are inferred from the claim text.