Patent ID: 11913217
Assignee: RANDALL OFFSITE CONSTRUCTION, INC.
Field: Civil engineering (Other fields)
Classification: CPC B  E | IPC B  E

Claim 0:
1. An elevator shaft for use in constructing a multi-story building, the elevator shaft being formed from a series of elevator shaft segments, each of the elevator shaft segments comprising:
a lower shaft component including four walls, each wall including an upper edge and a lower edge, the upper edge of three of the four walls being serrated, with the serrations created via pockets formed within the walls, each pocket including recessed and adjacent surfaces;
an upper shaft component including four walls, with each wall including an upper edge and a lower edge, the lower edges of the upper shaft component being joined to the upper edges of the lower shaft component to form one of the series of elevator shaft segments;
a slab formed about the elevator shaft segment with the slab extending into the serrations and adhering to the associated recessed and adjacent surfaces to thereby bond the slab to the elevator shaft segment;
a series of rebar segments, each rebar segment including first and second ends, with the first end formed within the lower shaft component and the second end extending from one of the series of pockets and into the slab floor.