Deposit and collection receptacles – Letter boxes
Patent
1979-11-15
1981-06-30
Frazier, Roy D.
Deposit and collection receptacles
Letter boxes
220 4F, 232 45, A47G 2912
Patent
active
042758297
ABSTRACT:
A mailbox and method of making same are provided wherein such mailbox comprises a plurality of enclosing walls, shear pins fastening the enclosing walls together, and a readily opened and closed access door with each of the shear pins having a strength which is substantially less than the strength of the enclosing walls and door so that upon subjecting the mailbox to high impact loads the shear pins shear resulting in disassembly of the mailbox while keeping the enclosing walls and door substantially intact.
REFERENCES:
patent: 1130288 (1915-03-01), Hubbard
patent: 1209550 (1916-12-01), Buckwalter
patent: 2730298 (1956-01-01), Haseroot
patent: 3177540 (1965-04-01), Hall et al.
patent: 3233502 (1966-02-01), Fernberg
patent: 3405835 (1968-10-01), Eby
patent: 3756115 (1973-09-01), Schuplin
patent: 4160520 (1979-07-01), Cluthe
Johnson Joseph S.
Stiles Carl A.
Aschenbrenner Peter A.
Bricker Charles E.
Dayco Corporation
Frazier Roy D.
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