Lens device

Details Lens device Lens device

2011-04-26

2011-04-26

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S819000, C359S823000

Reexamination Certificate

active

07933082

ABSTRACT:
A monitoring lens device includes a focus ring that is provided in an outer circumferential portion of a fixed cylinder and a zoom ring that is provided in an outer circumferential portion of the focus ring. A screw hole that is engaged with a shaft portion of a lock knob is formed in the focus ring, and an opening portion (long groove) through which the lock knob passes is formed in the zoom ring. A spacer is attached to the lock knob and a convex portion of the spacer is fitted into the opening portion.

REFERENCES:
patent: 5731917 (1998-03-01), Inoue
patent: 7460319 (2008-12-01), Aiba et al.
patent: 2007/0024989 (2007-02-01), Kageyama
patent: 2007/0268596 (2007-11-01), Aiba et al.
patent: 103 18 196 (2003-10-01), None
patent: 1 857 850 (2007-11-01), None
patent: 2007-310228 (2009-11-01), None
patent: WO 00/69167 (2000-11-01), None

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