Protective shield for a parking meter winding ring

Details Protective shield for a parking meter winding ring Protective shield for a parking meter winding ring

1979-04-30

1981-02-03

Tollberg, Stanley H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

G07F 1724

Patent

active

042483360

ABSTRACT:
A parking meter mechanism is protected against illegal actuation by a flat annular shield retained in position coaxially with the mechanism winding ring by a leaf spring. The shield surface adjacent the winding ring is coated with a low friction material so that a sharp object inserted through the coin opening of the meter will engage the shield, which then harmlessly slides against the surface of the winding ring.

REFERENCES:
patent: 3708049 (1973-01-01), Weber
patent: 3913718 (1975-10-01), Zajac

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