(57) Improvements in coin selectors of the type of coin selectors that are included in
automatic machines that operate by inserting coins, and that in the passage through
the same measurements of different parameters are obtained in order to validate the
coins as acceptable. The improvements introduced are based on the string-proof mechanism,
the coin drop damping mechanism and on the diameter and weight measurements, in such
a way that the string-proof mechanism comprises a generally L-shaped lever (2), rotating
with respect to the vertex thereof, its wing (4) being considerably shorter than its
other wing (5), the wing (4) of the lever (2) remaining in relation to the coin slot
(6) and its other wing (5) remains with its free end, in the inoperative position,
interfering with the beam of a diode (9) said lever (2) being provided with a counterweight
(10) in wing (5) thereof that tends to keep the lever in its inoperative position,
the end of its larger wing (5) interfering with the diode (9).
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