Frame structure

Details Frame structure Frame structure

1987-03-31

1988-11-08

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Intersection of wall to floor, ceiling, roof, or another wall

Trihedral shafts-type corner

52648, 312111, 312263, 312257SM, 403172, 403176, E04B 138, F16B 1220

Patent

active

047826371

ABSTRACT:
A frame structure for the construction of a box-shaped casing, in particular for air treatment devices. The frame structure comprises straight profile members (22), on the one hand, and corner elements (50,52) with three mutually perpendicular protrusions, each being connectable to one of said profile elements, on the other hand. Each corner element consists of two parts, namely an external part (50) including the external portions (50a, 50b,50c) of said protrusions and an internal part (52) including the internal portions (52a,52b,52c) of the protrusions. Said protrusion portions together form a closed cross-section fitting internally into the likewise closed cross-section of the profile members (b 22). The profile members can be slid onto the corner element protrusions while simultaneously securing the external and internal corner element parts (50,52).

REFERENCES:
patent: 2364083 (1944-12-01), Lindsay
patent: 3272582 (1966-09-01), Anderson et al.
patent: 3353854 (1967-11-01), Hansen

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