Patent ID: 11970865
Assignee: CB INTERESTS INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A system for constructing a staircase having a plurality of treads, each tread having a predetermined run and a selected rise, the system comprising:
a hanger bracket configured to couple a stair stringer of the staircase to an upper floor;
a plurality of tread support structures, each tread support structure configured to couple a tread to the stair stringer; and
a jig comprising:
a first component; and
a second component movably coupled to the first component, each of the first component and the second component having at least one scale thereon, each scale having a set of markings, each marking of each set of markings representing a different potential rise of each tread of the staircase, the jig having a first position where:
an edge of one of the first component and the second component of the jig identifies a position of a cut line on the stair stringer of the staircase, the cut line identifying a bottom of the stringer that engages the ground, when:
the jig is wresting on the stair stringer;
the first component and the second component are coupled to each other; and
one of the first component and the second component has an indicator pointing to a marking of a first scale of the other component, the marking indicating the selected rise of each tread of the stair stringer of the staircase.