Geometrical instruments – Distance measuring – Opposed contacts
Reexamination Certificate
2007-07-24
2007-07-24
Guadalupe-McCall, Yaritza (Department: 2859)
Geometrical instruments
Distance measuring
Opposed contacts
C033S19900R, C033S783000
Reexamination Certificate
active
11487098
ABSTRACT:
An electronic device includes a housing that has front and side faces. The side face has a linear shape provided with a longitudinal length smaller than a diameter of the front face. Coextensively shaped top and bottom conductive clamps are coupled to the side face and spaced from the front face. The bottom clamp is stationary and the top clamp is linearly displaced along the side face. The clamps form a closed electrical circuit when engaged with the fastener. A controller is coupled to the top clamp so that the top clamp is linearly displaced downwardly and upwardly when the controller is rotated along first and second directions. A mechanism is included for measuring a voltage level when the clamps contact the fastener. The voltage level is proportionally adjusted based upon the size of the fastener such that the voltage level increases when a linear distance between the clamps increases.
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patent: 6508012 (2003-01-01), Wells, Jr.
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patent: 7013763 (2006-03-01), Hsien
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