G - Physics
07
F
133/5
G07F 11/44 (2006.01) G07F 5/02 (2006.01)
Patent
CA 1314185
Abstract This invention relates to a coin mechanism for vending machines. Prior art coin mechanisms are not able to accurately measure the diameter of coins allowing the mechanism to be activated by incorrect coins or metal slugs This invention provides a security mechanism for a coin mechanism of a vending machine, the coin mechanism including a rotatable coin receiving disc. The security mechanism comprises an escapement having an axis about which it pivots, a leading leg and a trailing leg, with one leg on each side of the axis, and the legs meeting at an angle about the axis. The trailing leg includes hook- ing means at its distal end. The security mechanism fur- ther comprises a lug, spaced a small distance from the axis, projecting from the escapement. The coin receiving disc has a cam and notch, which are spaced from each other a distance less than the distance between the distal end of the leading leg and hooking means of the trailing leg, and which are engageable by the distal end of the leading leg and the hooking means respectively. A coin, of a selected diameter, held in the coin receiving disc engages the lug of escapement on rotation of the disc, pivoting the escapement about its axis sufficiently for the leading leg of the escapement to clear the cam but insufficiently for the hooking means to engage the notch.
561183
Beaver Machine Corporation
Ridout & Maybee Llp
LandOfFree
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