Horizontally supported planar surfaces – Plural related horizontal surfaces – Coplanar extension surface
Patent
1992-09-28
1994-08-02
Crowder, Clifford D.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Coplanar extension surface
405218, 403293, A47B 9600, B61G 500, E04G 720
Patent
active
053335570
ABSTRACT:
A combination of a side rail of a platform assembly and a bracket member therefor. The side rail has an elongated sidewardly opening recess. The recess also opens outwardly at one end thereof. The recess includes a bottom wall and a plurality of upstanding sidewalls. An end of the recess remote from the aforesaid one end includes an enlargement. The bracket member has at one end thereof an enlarged segment and at an other end thereof an attachment structure for facilitating an attachment of the bracket member to another object. The enlargement and the attachment structure are connected by a central section. Edge facing surfaces of the central section of the bracket conform to and oppose the sidewalls of the recess between the enlargement and one end of the side rail. An embossment is upstanding from the bottom wall of the recess and has a first hole therethrough. A pocket is provided in the bracket member and receives therein the aforesaid embossment. The pocket has a second hole in the bottom wall thereof. A fastening element is received in the aligned first and second holes for drawing the bracket member into the recess to cause a locking fit of the bracket member in the recess and to the side rail.
REFERENCES:
patent: 2675287 (1954-04-01), Sitler
patent: 3703870 (1972-11-01), Walton
patent: 4150630 (1979-04-01), Pokorny et al.
patent: 4158335 (1979-06-01), Belcastro et al.
patent: 4675929 (1987-06-01), Santo
patent: 4852509 (1989-08-01), Fransen et al.
patent: 4969777 (1990-11-01), Eickhoff
patent: 5156493 (1992-10-01), Johnson
Crowder Clifford D.
Izaguirre Ismael
Ronningen Research & Development Company
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