Overhead hoist transport device
US12421052B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2023 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Mar 26, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C17/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Provided is an overhead hoist transport device including an article transport vehicle having a space in which articles are loaded and unloaded, and including traveling wheels, guide wheels, and steering wheels, a traveling rail positioned along a ceiling of a semiconductor manufacturing line and providing a moving path for the article transport vehicle, a measuring sensor attached to the article transport vehicle and configured to measure a traveling state of the article transport vehicle, and a system configured to receive measured values from the measuring sensor, wherein the traveling rail includes at least one traveling section among a straight section, a curved section, and a branching section, and wherein the system is further configured to determine whether specific wheels of the article transport vehicle are detached on the traveling rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.