Polygon scanner with an annular lip

Details Polygon scanner with an annular lip Polygon scanner with an annular lip

1976-04-09

1977-09-13

Henry, Jon W.

G02B 2717

Patent

active

040477932

ABSTRACT:
A scanning polygon assembly is provided which comprises a plurality of identical facet blocks arranged in abutting relationship on a platform. The platform has an annular lip against which two corners of each block abut so the facets form chords along the lip to form a polygon. The abutting relationship between the blocks is a tight fit but not a forced fit in order that the blocks are free enough to allow the corners to engage the lip (and thus assure such engagement) due to the centrifugal force exerted thereon during rotation of the polygon.

REFERENCES:
patent: 2113411 (1938-05-01), Schiller

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