Patent ID: 11953317
Assignee: HITACHI BUILDING SYSTEMS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC B  G | IPC G

Claim 0:
1. A reference core position calculation device that calculates a reference core position of an elevator shaft in which an elevator is to be installed, the reference core position calculation device comprising:
a measurement unit that measures a dimension of each portion of the elevator shaft; and
a calculation unit that calculates portion dimension values of the elevator shaft based on the reference core position and the dimension of each portion measured by the measurement unit, wherein
when the reference core position is a first reference core position, the calculation unit determines whether portion dimension values of the elevator shaft calculated based on the first reference core position satisfy a predetermined specification, and
when the calculation unit determines that the portion dimension values of the elevator shaft calculated based on the first reference core position do not satisfy the predetermined specification, the calculation unit calculates a second reference core position which serves as the reference core position and at which portion dimension values of the elevator shaft satisfy the predetermined specification.