LENS BARREL DEVICE FOR OPTICAL EQUIPMENT

PURPOSE:To reduce the working cost by arranging helicoid screw dowels along the prolongation of the lead of a helicoid screw so that the helicoid screw has a gap on the periphery. CONSTITUTION:A female helicoid cylinder 3 has a screw part 3a on its outer periphery and is engaged with a fixed lens ba...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ISHII TADAYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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