Metal frame with a hyperstatic assembly wedge, notably for an el

Details Metal frame with a hyperstatic assembly wedge, notably for an el Metal frame with a hyperstatic assembly wedge, notably for an el

1998-03-03

2000-02-01

Cuomo, Peter M.

Supports: cabinet structure

Knockdown or setup type

Skeletal frame

3122652, 3122654, 211 26, A47B 4700

Patent

active

060194464

ABSTRACT:
A metal frame for an electrical cabinet comprises an assembly of uprights and cross-members forming a framework with high mechanical rigidity. Each upright is provided with a support equipped with four bearing surfaces designed to cooperate with two positioning surfaces of conjugate shapes of a cross-member of the first series to form a fixing device with a hyperstatic wedge when the fixing screw is tightened, which screw passes through a hole of the corresponding cross-member, and cooperating with a lock-nut secured to the support. The nut has a tapped hole arranged in the center of symmetry of the four bearing surfaces of the housing.

REFERENCES:
patent: 3265419 (1966-08-01), Durnbaugh et al.
patent: 3307894 (1967-03-01), Collier
patent: 3877765 (1975-04-01), Hassing
patent: 4973110 (1990-11-01), Nyquist
patent: 5228762 (1993-07-01), Mascrier
patent: 5639150 (1997-06-01), Anderson et al.

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