Material or article handling – Device for emptying portable receptacle – Nongravity type
Patent
1986-02-03
1988-08-23
Dorner, Kenneth J.
Material or article handling
Device for emptying portable receptacle
Nongravity type
414222, 414757, B65G 1732
Patent
active
047657936
ABSTRACT:
Apparatus for aligning an object having a distinguishing feature in it, the apparatus including rotator means for holding and rotating the object about a rotation axis so that a portion of the surface including the distinguishing feature travels through a surface sensing region, engagement means for engaging the object and transferring it to and receiving it from the rotator means, sensing means for measuring and recording, during rotation of the object, position versus angular orientation information relating to position of the surface along an axis transverse to the surface, calculating means, responsive to the sensing means, for calculating from the position versus angular orientation information both the angular orientation of the distinguishing feature and the location of the center of the object with respect to the rotation axis, and alignment correction means for generating angular correction signals for rotating the object such that the distinguishing feature attains a predetermined angular orientation and for generating alignment signals for aligning the center with respect to the rotation axis. Also disclosed are identifying the angular orientation of the distinguishing feature by identifying where the slope of the position versus angular orientation function is greater than a predetermined amount; and obtaining the position versus angular orientation information using a first digital measuring means to measure the angle and a second digital measuring means to measure the relative height of a portion of the object.
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Dorner Kenneth J.
Proconics International, Inc.
Rendos Thomas A.
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