TWO-SPEED FOCUSING MECHANISM

A two-speed focusing mechanism includes a base having an inner guide, a carrier disposed within the inner guide, a first drive, an outer guide and a second drive. A first and second bearing are disposed in a respective inner dimple of the carrier and a second bearing is disposed within a first dimpl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ANHALT, Thomas, J
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A two-speed focusing mechanism includes a base having an inner guide, a carrier disposed within the inner guide, a first drive, an outer guide and a second drive. A first and second bearing are disposed in a respective inner dimple of the carrier and a second bearing is disposed within a first dimple of the first drive. The first and second bearings are held within a respective inner slot and outer slot and a first guide and second guide, wherein a rotation of the second drive is translated into an axial movement of the carrier at different speeds.