Detectable warnings
AssigneeEngineered Plastics
InventorsKenneth E. Szekely, David N. Sambrook, John A. Heffner
Life of this patent
Estimating the term…
Abstract
A detectable warning tile which aims to solve the problem of buckling and cracking associated with different thermal expansion properties of the tile and the substrate in which it is installed. Said tile is provided with underside flanges on only some of the outermost vertical surface of the tile. The tile need not be a quadrilateral, the tile may have more or fewer than fours edges.
Claims21
A detectable warning tile comprising:
- a body having a first edge, a second edge, and a third edge;
- a first flange integral with and depending from the body, the flange aligned with the first edge;
- and
- no integral flange aligned with the second and third edges.
A detectable warning tile comprising:
- a body with a plurality of attachment points, a plurality of fasteners, and a plurality of anchors;
- wherein the number of attachment points is equal to the number of fasteners and the number of anchors;
- wherein each fastener is affixed to a single anchor and attaches that anchor to the body at a single attachment point;
- and
- wherein each fastener is attached to the body in such a way that the body can expand or contract and move each attachment point without moving the each fastener and anchor, and without otherwise deforming the body.
A detectable warning tile comprising:
- a body with a plurality of attachment points, a plurality of fasteners, and a plurality of anchors;
- wherein the number of attachment points is equal to the number of fasteners and the number of anchors;
- wherein each fastener is affixed to a single anchor and attaches that anchor to the body at a single attachment point in such a way that the body can expand or contract and move each attachment point and fastener without moving the each anchor, and without otherwise deforming the body.
A detectable warning tile assembly comprising:
- a body, a fastener, an anchor and an isolation tray;
- wherein the isolation tray is affixed to the body by the fastener and the anchor;
- and
- wherein the body fits within the isolation tray over predetermined range of temperatures despite thermal expansion or contraction of the body relative to the tray.
A detectable warning tile comprising:
- a body having at least one edge and an upper surface;
- a plurality of detectable warnings on the upper surface;
- and
- an upper lip along the at least one edge;
- wherein the detectable warnings rise a specified height off the upper surface, and the upper lip rises a greater height off the upper surface.
A detectable warning tile comprising:
- a body with a plurality of attachment points and an equal plurality of fasteners;
- and
- an anchor attached to the body by each of the plurality of fasteners;
- wherein each of the fasteners attaches the anchor to the body at a different one of the plurality of attachment points.
A detectable warning tile assembly comprising:
- an anchor, a fastener, and a body defining a through-hole;
- wherein the fastener passes through the through-hole and attaches the anchor to the body;
- and
- wherein the through-hole, fastener and anchor are sized and shaped such that, when the tile assembly is pressed into wet concrete, air can vent from below to above the body.
Dependencies are inferred from the claim text.