CPC F41H 5/0492 (2013.01) [F41H 5/013 (2013.01)] | 18 Claims |
1. A tile comprising:
an obverse face;
a reverse face opposite the obverse face; and
an endless edge between the obverse face and the reverse face, the endless edge being defined by a plurality of peripheral boundaries connected by curved sections, wherein the obverse face includes a first region and a second region each configured to be overlapped by a corresponding region of a reverse face of another tile, and a strike face region that is not overlapped by another tile, the first region and the second region being adjacent to the non-overlapped strike face region, the strike face region including a Y-shaped raised portion and no other raised portion or recessed portion, and the reverse face including a Y-shaped depression at a location corresponding to the location of the Y-shaped raised portion, and no other depression or raised portion.
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