The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 02, 1982

Filed:

Aug. 04, 1980
Applicant:
Inventor:

David Van Allen, Malden, MA (US);

Assignee:

Polaroid Corporation, Cambridge, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354145 ; 362 16 ;
Abstract

A reference surface is provided on the housing of a flash illumination apparatus for allowing accurate positioning of a flash tube relative to a predetermined length of a flash reflector. This reference surface is spaced from the adjacent end of the predetermined reflector length so that positioning of one tube end and the reference surface against an appropriate aligning surface accurately centers the tube relative to the reflecting surface. Moreover, either the housing or a reflector main body has structure for cooperating with separate end members of a multi-component reflector for preventing the end members from being assembled so that the reflecting surfaces thereof do not face each other.


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