Magnifying attachment for flashlight with dark field illuminatio

Details Magnifying attachment for flashlight with dark field illuminatio Magnifying attachment for flashlight with dark field illuminatio

1991-01-07

1992-02-25

Gonzalez, Frank

Optical: systems and elements

Lens

With support

359827, G02B 702

Patent

active

050918036

ABSTRACT:
A magnifying attachment for a flashlight body includes an eyepiece viewing portion which when rotated to a 90.degree. open position provides for dark field illumination of a gem specimen. The attachment includes a split resilient band which may be easily slipped over the end of the flashlight with the band including a folded back tab terminating in a hook which provides a half bearing into which the rotational axis of the eyepiece viewing portion may be permanently placed and retained on the flashlight. A depression or detent notch is formed on the flashlight body to retain the attachment.

REFERENCES:
patent: 1001991 (1911-08-01), Sale
patent: 1925393 (1933-09-01), Lehman
patent: 2178371 (1939-10-01), Eichenberger
patent: 2533747 (1950-12-01), Thienemann
patent: 2725788 (1955-12-01), Pfleger
patent: 3936156 (1976-02-01), Shaw et al.
patent: 3955884 (1976-05-01), Del Pesco, Sr.
patent: 4577927 (1986-03-01), Raney
patent: 4763986 (1988-08-01), Sego
patent: 4906083 (1990-03-01), Sattler
patent: 4917459 (1990-04-01), Solitt et al.

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