Step layout device

Details Step layout device Step layout device

1988-01-28

1989-05-30

Haroian, Harry N.

Geometrical instruments

Gauge

Template

33464, B43L 1320

Patent

active

048337919

ABSTRACT:
A step layout device for giving a visual and physical representation of riser and tread dimensions which have been or are being selected for a stairway, wherein the device has at least one lower and one upper pair of planar members, the members of each pair having cooperating vertical ruled portions and cooperating adjustable connector mechanisms adapted to planarly connect the members of each pair in selected vertically dimensioned riser postures, the pairs having adjacent horizontal edge portions provided with cooperating horizontal ruled portions, and cooperating adjustable connector mechanisms on the pairs adapted to planarly connect the pairs in selected horizontally dimensioned tread postures.

REFERENCES:
patent: 164008 (1975-06-01), Kirkpatrick

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