Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-10-01
1977-08-16
Corcoran, Robert J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
198471, 209 81R, G01R 3312
Patent
active
040428770
ABSTRACT:
An inspection apparatus for inspecting and detecting flaws in serially fed substantially cylindrical objects. The inspection apparatus includes a notch-shaped inspection station formed by a pair of drive wheels mounted on a first shaft and a pair of discharge wheels fixedly mounted on a second shaft, parallel to the first shaft. A hook having a convex back surface is connected to and protrudes beyond the circumference of each discharge wheel. An L-shaped bracket whose body includes a sending surface and whose leg includes an infeed cradle, is mounted above the drive wheels and pivots in synchronism with the rotation of the discharge wheels. A first object in the infeed cradle is positively sent by the bracket sending surface toward the inspection station as the hook convex back surfaces are rotating up through the inspection station. The sent first object contacts the hook back surface which by its clockwise rotational motion imparts a counterclockwise rotational motion to the object while easing it into the inspection station where it is rotated and inspected for flaws by sensors mounted axially on an imaginary straight line drawn from the axial center line of the inspection station to the axial center of the first or second shaft.
REFERENCES:
patent: 2979196 (1961-04-01), Harmon
patent: 3355014 (1967-11-01), Howles
patent: 3447074 (1969-05-01), Sower et al.
patent: 3690487 (1972-09-01), Evans et al.
American Can Company
Auber Robert P.
Corcoran Robert J.
Dorman Ira S.
Ziehmer George P.
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