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US 2010/0303577 A1Published application
Drop-In Anchor
AssigneePowers Products III, LLC
InventorsT.J. Bland, Robert La Barbera
Life of this patent
Estimating the term…
Abstract
A drop-in anchor includes a tubular sleeve having a first end and an expandable second end, the sleeve having one or more raised surfaces at the first end. A plug is insertable in the sleeve such that when the plug is driven into an installed position in the sleeve the second end expands and an installation tool interacts with the one or more raised surfaces to provide a visual indication of engagement of the drop-in anchor to a workpiece.
Claims13
A drop-in anchor comprising:
- a tubular sleeve having a first end and an expandable second end, the sleeve including one or more raised surfaces at the first end;
- and
- a plug insertable in the sleeve such that when the plug is driven into an installed position in the sleeve the second end expands and an installation tool interacts with the one or more raised surfaces to provide a visual indication of engagement of the drop-in anchor to a workpiece.
A method of installing a drop-in anchor in a workpiece comprising:
- drilling a hole in the workpiece;
- inserting a drop-in anchor into the hole;
- driving a plug of the drop-in anchor into an installed position with an installation tool thereby engaging the sleeve with the workpiece;
- abrading the installation tool on one or more raised surfaces of a sleeve of the drop in anchor when the plug attains the installed position;
- removing a coating from the one or more raised surfaces via the abrasion of the installation tool thereon, the removal of the coating providing a visual indication to an observer that the sleeve is engaged with the workpiece.
2 more elements
Dependencies are inferred from the claim text.