Work machine
US12291828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2022 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Jan 28, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/098
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A work machine includes: a drive rotation speed detector configured to detect a signal indicating a rotation of a drive source; a work rotation speed detector configured to detect a signal indicating rotation of a work rotation shaft; and a control device configured to, on the basis of comparison between signals acquired from the drive rotation speed detector and the work rotation speed detector, stop the drive source in a case where there is a rotation speed difference between a driven shaft in a rotating state due to power transmission from the drive source and the work rotation shaft. The work rotation speed detector includes: a detection target member configured to rotate together with the work rotation shaft; and a sensor mounting member configured to hold a detection sensor configured to detect rotation of the detection target member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.