Vertical file construction

Details Vertical file construction Vertical file construction

1977-05-16

1979-07-24

Frazier, Roy D.

Supports: racks

Special article

Stacked articles

211 55, 211126, A47F 700

Patent

active

041620143

ABSTRACT:
A composite letter file consists of a primary tray member defining a letter receptacle and having detent means thereupon for engagement by corresponding detent means on a secondary tray member. A plurality of secondary tray members can be secured to one another and supported from the primary tray member which has supporting means associated therewith adapted to maintain it in operative relationship with a supporting surface. The sidewalls of the secondary tray member are resilient to permit them to be sprung outwardly to permit the mutual engagement of the detent means of said secondary tray member with the corresponding detent means of said primary tray member.

REFERENCES:
patent: 386964 (1888-07-01), Cochran
patent: 792427 (1905-06-01), Knudsen
patent: 864761 (1907-08-01), Erickson
patent: 1156401 (1915-10-01), Hawley
patent: 1713147 (1929-05-01), Ruze
patent: 1715078 (1929-05-01), Whyte et al.
patent: 2909287 (1959-10-01), Galassi
patent: 4074810 (1978-02-01), Juergens et al.

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