Mailbox signal

Details Mailbox signal Mailbox signal

1976-04-15

1978-05-16

Frazier, Roy D.

Deposit and collection receptacles

Letter boxes

Signals

B65B 9100

Patent

active

040894606

ABSTRACT:
A rural type mailbox having a pivoted platform therein. The platform is tilted from a manually set, metastable position to a stable position by shiftable weights when an article of mail, such as a letter is placed thereon. Such tilting, through a magnetic coupling and levers causes a signal target to be raised into view whereby the owner of the box is informed that mail has been deposited therein.

REFERENCES:
patent: 932547 (1909-08-01), Hess
patent: 969038 (1910-08-01), Carmony
patent: 1262816 (1918-04-01), Lucas
patent: 1315914 (1919-09-01), Dubbs
patent: 1334106 (1920-03-01), Mackey
patent: 1990003 (1935-02-01), Schlenker
patent: 2801046 (1957-07-01), Mirkin
patent: 2985360 (1961-05-01), Stapleton
patent: 3675845 (1972-07-01), Scheerer
patent: 3891139 (1975-06-01), Redling

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