US 12,071,325 B2
Method for forming a guide structure for guiding an elevator car in an elevator shaft
Andrea Cambruzzi, Zürich (CH); Michael Geisshüsler, Sursee (CH); Daniel Meierhans, Sins (CH); Christian Studer, Kriens (CH); and Julian Stähli, Meggen (CH)
Assigned to INVENTIO AG, Hergiswil (CH)
Appl. No. 17/905,657
Filed by Inventio AG, Hergiswil (CH)
PCT Filed Mar. 2, 2021, PCT No. PCT/EP2021/055106
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/180510, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 20162762 (EP), filed on Mar. 12, 2020.
Prior Publication US 2023/0103326 A1, Apr. 6, 2023
Int. Cl. B66B 19/00 (2006.01); B66B 7/02 (2006.01)
CPC B66B 19/002 (2013.01) [B66B 7/024 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for forming a guide structure in an elevator shaft, the guide structure being configured to guide an elevator car during vertical travel of the car in the elevator shaft, the method comprising the steps of:
moving a tool vertically along the elevator shaft while the tool is in a predetermined horizontal position within the elevator shaft; and
forming the guide structure by removing material on a shaft wall of the elevator shaft using the tool during the vertical movement of the tool along the elevator shaft.