Optical: systems and elements – Lens – With support
Reexamination Certificate
2005-05-03
2005-05-03
Ben, Loha (Department: 2873)
Optical: systems and elements
Lens
With support
C359S820000
Reexamination Certificate
active
06888690
ABSTRACT:
A hot crimping structure for fixing at least one lens element to a lens frame made of synthetic resin, the lens element being accommodated in a lens holder opening of the lens frame, a portion of the lens frame being crimped by heat to serve as a crimped edge which lies on a surface of the lens element adjacent to a rim of the lens element. The lens frame includes an outward expansion surface which extends outwards from a close vicinity of the rim of the lens element. A hot crimping tool is brought into contact with the outward expansion surface to form a recess on the outward expansion surface by heat, to thereby produce the crimped edge by movement of melting synthetic resin which is melted due to the formation of the recess.
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Iikawa Makoto
Takahashi Masashi
Ben Loha
Greenblum & Bernstein P.L.C.
PENTAX Corporation
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