Construction unit suitable for making stair stringers
OwnerLyall V. Reimanninventor
Life of this patent
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Abstract
A construction unit (10) which is suitable for use in the fabrication of a stair stringer is provided. In one embodiment, the unit has three side members (12, 14, 16) which form a right triangle. The side member (16) forming the hypotenuse of the right triangle has a flat surface for locating the unit (10) against a flat support surface. The side members (12, 14) forming the other two sides of the right triangle are provided with channels (22) extending along their lengths, each for receiving the edge of a stair tread (28) or stair riser (30) forming sheet therein.
Claims5
A construction unit comprising three side members which form a right triangle, wherein the side member forming the hypotenuse of the right triangle has a flat surface for locating the unit against a flat support surface and the side members forming the other two sides of the right triangle are provided with channels extending along their lengths, each channel for receiving the edge of a sheet or beam therein.
A construction unit comprising a central web portion in the form of a right triangle provided with a T-flange around said central web portion, the T-flange having three flat outer sides defining a right triangle, and wherein two of said outer sides, other than the side forming the hypotenuse of the right triangle, are provided with channels extending along their lengths, each channel for receiving the edge of a sheet or beam therein.
Dependencies are inferred from the claim text.