Power switch device for an oiler of an escalator or a moving walk
US11208297B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 8, 2021 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Jan 8, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B25/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a power switch device for an oiler of an escalator or a moving walk. The power switch device includes: a power input port, including a first power input terminal and a second power input terminal; a power output port, including a first power output terminal and a second power output terminal, the second power input terminal being connected to the second power output terminal, and a first circuit branch and a second circuit branch connected in parallel being connected between the first power input terminal and the first power output terminal; an electronically controlled on-off apparatus, connected in the first circuit branch; a manual switch, connected in the second circuit branch; and a state indicator, used to indicate a switching state of the manual switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.