Encoder device and alignment device for an encoder device
US7601948B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2008 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Jul 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D2205/60
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An encoder device includes: an encoder base; a hub rotatably arranged in the encoder base and arranged to carry an encoder disk; and an alignment device arranged to urge the hub into a predetermined axial and radial position relative to a portion of the housing, the alignment device including a contact portion arranged to contact an axial surface of the encoder base, a locating structure arranged to maintain the alignment device in a predefined radial position, a flange structure arranged to contact an axial surface of the hub and a circumferential portion of the hub, and a spring structure arranged to urge the hub axially toward the flange element, where the alignment device urges the hub into a predetermined axial and radial position relative to a portion of the encoder base, and the spring structure contacts the hub so as to form a detent, the detent allowing the alignment device to be removed from the hub by pulling the alignment device axially away from the hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.