Lens alignment apparatus

Details Lens alignment apparatus Lens alignment apparatus

2008-06-25

2009-12-29

Dang, Hung X (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S822000

Reexamination Certificate

active

07639439

ABSTRACT:
A lens alignment apparatus includes a main lens holding frame having a main lens secured thereto; an adjusting lens holding frame to which an adjusting lens to be aligned with the main lens is secured; at least one radial groove formed in one of adjacent end surfaces of the main lens holding frame and the adjusting lens holding frame; a centering hole, corresponding to the radial groove, formed in the other of the adjacent end surfaces of the main lens holding frame and the adjusting lens holding frame; and an alignment member including a centering pillar portion inserted in the centering hole and an aligning portion engaged in the radial groove, the aligning portion being provided with a plurality of pairs of parallel alignment surfaces having an identical width and different distances from the axis of the centering pillar portion.

REFERENCES:
patent: 5353166 (1994-10-01), Hanford et al.
patent: 5446591 (1995-08-01), Medlock
patent: 5483384 (1996-01-01), Takizawa et al.
patent: 6388826 (2002-05-01), Iikawa et al.
patent: 6853503 (2005-02-01), Nomura et al.
patent: 6853506 (2005-02-01), Saitoh
patent: 2002/0060828 (2002-05-01), Ishizuka et al.
patent: 2004/0179277 (2004-09-01), Stallard et al.
patent: 2001-208946 (2001-08-01), None

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