Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1991-11-04
1993-05-25
Reinhart, Mark J.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
346108, 346139R, H04N 121
Patent
active
052144410
ABSTRACT:
Positioning of a scan line (L) relative to a recording medium drum (15) of a polygon printer is established by independently adjusting blocks (35, 36) mounted on a scan line generating optics module (10) through adjustments made to an external beam sensing fixture (52). Inverted V-notches (38) used for nesting the blocks (35, 36) onto cylindrical surfaces of drum bearings (33) are nested onto corresponding cylindrical surfaces of fixture ends (54, 55). X, z, .theta..sub.x and .theta..sub.z positions are then set by x and z direction adjustment screws (44, 45, 49, 50) mounted on a support structure (73) to make adjustments in the fixture positions against the bias of springs (100). Clamping screws (45, 46) pass through oversized holes (47, 48) on blocks (35, 36) to releasably lock blocks (35, 36) after adjustment. The z direction adjustment includes levers (85) and dual ball socket assemblies (95, 96, 97) so that adjustment of the .theta..sub.y position of fixture (52) will simultaneously occur to maintain a constant angle of incidence during adjustment, in response to the travel of a wheeled member (60) against a constant radius frame surface (70).
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Blanding Douglass L.
Harrigan Michael E.
Kessler David
Summers Drew D.
Eastman Kodak Company
Franz Warren Locke
Reinhart Mark J.
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