Rotation detection device, medium transport device, and recording device
US12287226B2 · kind B2 · utility
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16Claims
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Assignee
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Key dates
| Filing date | Feb 15, 2023 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Sep 3, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D2213/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pulley serving as a rotary body and a scale configured to rotate integrally with the pulley are attached to an end portion of the pulley serving as the rotary body in a thrust direction, a detection unit is configured to detect rotation of the pulley serving as the rotary body by reading a reading region of the scale. An absorber capable of absorbing liquid is attached to a surface of the scale on which a reading region is present, and when liquid adheres to the scale, the absorber absorbs the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.