Encoder device and alignment device for an encoder device

Details Encoder device and alignment device for an encoder device Encoder device and alignment device for an encoder device

2008-07-14

2009-10-13

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S231180, C341S031000

Reexamination Certificate

active

07601948

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.

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patent: 7205530 (2007-04-01), Jones
patent: 0 557 564 (1993-09-01), None

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