Supports: racks – Knockdown
Patent
1983-12-29
1986-01-14
Britts, Ramon S.
Supports: racks
Knockdown
108111, A47B 4700
Patent
active
045641110
ABSTRACT:
Sheet metal base panels in merchandising display stands are connected to sheet metal posts by the insertion of tabs into spaces between planar post sections and return flanges through slots. Projections on the tabs are engaged by oblique edges which exert a wedging action, tightening the engagement between the panels and the posts. In one version, the oblique edge is an edge of the return flange itself, and as the tab is inserted, it spreads the return flange away from the planar section of the post until the projection on the tab clears the oblique edge of the return flange, whereupon the flange snaps into place. A downward force exerted through the post by the weight of articles supported on the display stand effects a tightening action. In another version of the invention, a separate locking element having two wedges is vertically slidable in the post, and is moved into engagement with locking projections on tabs of the base panels of a merchandising unit. Each locking element has two wedges connected together by a bridge which has a projection extending away from the post for engagement by a tool or a shoe, by which the locking element can be urged downwardly.
REFERENCES:
patent: 1577066 (1926-03-01), Medart
patent: 1952111 (1934-03-01), Bales
patent: 3483998 (1969-12-01), Butler
patent: 3999875 (1976-12-01), Simon
patent: 4034683 (1977-07-01), DiCenzo
patent: 4148263 (1979-04-01), Suttles
patent: 4379431 (1983-04-01), Clement
Britts Ramon S.
Lechok Sarah A.
The Mead Corporation
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