Compact viewing assembly for light sensitive sorting machine

In a light-sensitive sorting machine for sorting a succession of freely falling articles, a compact viewing assembly includes a passage through which the articles may fall, a housing surrounding the passage to define an enclosed viewing chamber, background members carried in the housing at spaced lo...

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Bibliographische Detailangaben
Hauptverfasser:	HOOVER, MICHAEL C, LONG, WILLIAM C
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS POSTAL SORTING SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	In a light-sensitive sorting machine for sorting a succession of freely falling articles, a compact viewing assembly includes a passage through which the articles may fall, a housing surrounding the passage to define an enclosed viewing chamber, background members carried in the housing at spaced locations around the passage, optical viewing means disposed to view the background members and articles falling through the passage between the viewing means and the background members, and a plurality of lamps spaced in a plane around the passage to uniformly illuminate the background members and articles falling through the passage, each of the lamps being shielded to prevent direct illumination of the optical viewing means.