Door panel for mail box unit

Details Door panel for mail box unit Door panel for mail box unit

1978-01-06

1979-07-17

Frazier, Roy D.

Deposit and collection receptacles

Letter boxes

Compartment

52666, 232 25, B65D 9100, F16B 1200

Patent

active

041612744

ABSTRACT:
A door panel for covering the open side of a mail box having a series of individual mail receiving compartments, comprising: a peripheral frame and a grid structure consisting of interlocked horizontal and vertical channel members; a first interlocked channel member has an opening and slots defining a pair of oppositely disposed wall projecting portions while a second interlocked channel member has a pair of slots extending from the free edge of its walls to define oppositely disposed tongues; during assembly of the door panel, the tongues are deformingly bent inwardly in the channel of the first channel members to provide a positive interlock between both channel members.

REFERENCES:
patent: 449936 (1891-04-01), Jackson
patent: 491495 (1893-02-01), Ridell
patent: 1642533 (1927-09-01), Beer
patent: 2047454 (1936-07-01), Anderson et al.
patent: 3745735 (1973-07-01), Casano
patent: 3748814 (1973-07-01), Cribben
patent: 3784089 (1974-01-01), Koch
patent: 3797192 (1974-03-01), DeJonge

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