公开(公告)号：US20250100848A1

公开(公告)日：2025-03-27

申请号：US18973762

申请日：2024-12-09

Applicant: Kone Corporation

Inventor： Giovanni HAWKINS ,  Sami JANHUNEN ,  Petteri DAMMERT

IPC: B66B5/00 ,  G01B5/20

Abstract: The invention relates to an arrangement for auditing straightness of a car guide rail, the arrangement comprising: a car guide rail mounted in an elevator shaft; an elevator car connected to the car guide rail via a guide member, said guide member, in a straightness auditing mode being adapted so that the horizontal distance between the elevator car and the car guide rail to be audited is constant; a plumb line stabilized in the elevator shaft adjacent to the car guide rail; an indicator detachably attached to the elevator car, in vicinity of the plumb line; at least one visual recording device detachably attached to the elevator car, facing the plumb line and the indicator, for recording a displacement of the indicator relative to the plumb line; and a memory for storing recorded relative displacement. The invention also relates to a method for auditing straightness of a car guide rail.