Visual device for indicating presence of couriers dropped in mail-box used in e.g. offices, has mobile indicator fixed to lever such that lever moves indicator in position when lever is tilted in low position under weight of courier

摘要

The device has a telescopic tilting lever (9) inside a mail-box, where the lever is placed on a path of the fall of courier introduced into the mail-box. A mobile indicator, a case (1) and a cord (15) are connected to the lever such that the lever moves the indicator in a position, where the indicator is visible exterior of the mail-box when the lever is tilted in a low position under weight of the courier. Another mobile indicator (3) is fixed to the lever such that the lever moves the latter indicator in the same position when the lever is tilted in low position under weight of the courier.