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US 4,288,130 AGranted
Filing systems and other collapsible structural units
AssigneeH. Geoffrey Lynfield
InventorRobert J. Baldwin
Life of this patent
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Abstract
This invention relates to filing cabinets and knock-down structural units suitable for furniture and enclosures protecting, storing, and housing articles comprising at least two main supports; at least two sets of equi-distant multiple locking slots on each support; and at least two locking frames with multiple bars pressure fitted into said locking slots. In a preferred form, I provide a filing cabinet including drawers slidably supported by the locking frames which also serve as drawer runners.
Claims6
A collapsible structural storage unit comprising in combination:
- (1) a pair of profiled main frames;
- (2) locking slots arranged in pairs along the vertical sides of the said main frames;
- (3) at least two locking frames with multiple bars fitting tightly with a spring action into said locking slots and rigidly locking the main frames together;
- and
- (4) drawers and like receptacles slidably supported by said locking frames which are also serving as drawer runners.
2 more elements
A collapsible structural storage unit comprising in combination:
- (1) a pair of profiled main frames;
- (2) locking slots arranged in pairs along the vertical sides of the said main frames;
- (3) at least two locking frames fitting tightly with a spring action into said locking slots and rigidly locking the main frames together;
- and
- (4) drawers and like receptacles slidably supported by said locking frames which are also serving as drawer runners, the locking frames consisting of at least two parallel U-shaped outer locking bars fitting tightly into said locking slots and at least two inner runner bars holding said outer locking bars together and serving as runners for drawers.
2 more elements
Dependencies are inferred from the claim text.