Adjustable hinge for a switch cupboard

Details Adjustable hinge for a switch cupboard Adjustable hinge for a switch cupboard

1999-12-06

2001-09-04

Brown, Peter R. (Department: 3636)

Supports: cabinet structure

With movable components

Pivotal, fixed axis

C312S265100, C016S389000

Reexamination Certificate

active

06283565

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a hinge for a switchgear cabinet having a first binge element, which is attached to the cabinet door, and a second hinge element arranged on the body of the switchgear cabinet.
2. Description of Prior Art
Similar hinges are known from European Patent Reference EP 01 57 344 B1 and are applied to one side of the switchgear cabinet. Depending on the spatial requirements, the cabinet door must be selectively attachable to the right or the left of the switchgear cabinet. The hinges are attached symmetrically relative to the center plane of the switchgear cabinet, which extends transversely in relation to the hinge axis. The cabinet door covers almost all of the front of the switchgear cabinet. A gap remains only in a bottom area, so that the cabinet door does not rest on the bottom. Because of this gap, the center axis of the cabinet door, which extends transversely relative to the hinge axis, is arranged offset with respect to the center plane of the switchgear cabinet. Because of these symmetry conditions it is not possible to change the cabinet door easily between being fastened on the left and fastened on the right. Instead, the hinges have to be exchanged. However, this requires a large outlay of parts.
SUMMARY OF THE INVENTION
It is one object of this invention to provide a hinge of the type mentioned at the outset, which can be used with a cabinet door fastened on the right, as well as on the left.
This object is attained with a hinge that has two holding positions, which allows the fixing in place of the cabinet door on the body in two positions, which are distanced from each other in the axial direction of the hinge.
Depending on the selected fastening type, the cabinet door can be fastened either in the first holding position or the second holding position. Thus, the hinge itself compensates for the symmetry conditions possible. Therefore the use of additional hinges or extensive modification measures are no longer required.
In a preferred embodiment of this invention the holding positions are offset with respect to each other in the axial direction of the body by twice the amount corresponding to the distance of the center plane of the body from the center axis of the cabinet door. This measure assures that the cabinet door can be mounted at the same height with either the left fastening or the right fastening.
In a possible variation of this invention the first hinge element is fastened firmly on the cabinet door or the body of the switchgear cabinet, and the second hinge element has two fastening receptacles determining the holding positions, by which the second hinge element can be fastened on the body, or respectively on the cabinet door.
In this case the fastenings are designed as bores cut into a holder, and the body, or respectively the cabinet door, has screw receptacles which can be aligned with the bores. A height compensation in the direction of the hinge axes can therefore be accomplished by the offset fastening possibilities alone. In another compensation possibility the hinge elements can be displaced with respect to each other in the axial direction of the hinge. It is thus possible to assure symmetry compensation by a displacement of both hinge elements with respect to each other within the hinge.
In this case, for example, one of the hinge elements can have two seating receptacles for receiving one hinge bolt or two hinge bolts. The seating receptacles are distanced from each other in the axial direction of the hinge. The other hinge element has a seating opening, which is maintained between the seating receptacles by means of the hinge bolt or bolts, and the seating opening can be displaced in the axial direction of the hinge between the two seating receptacles.
A spacer element, which is held between the two seating receptacles, can be used in order to fix the seating opening in place in the respective holding position.
The side of a switchgear cabinet which adjoins the hinge side is customarily covered by a wall element. If a holder for the side wall is attached to the second hinge element fastened on the body, no additional fastening elements are required. It is possible to reduce the parts expenditure by this embodiment.


REFERENCES:
patent: 2408071 (1946-09-01), Jahn
patent: 2587818 (1952-03-01), Caldwell et al.
patent: 2624067 (1953-01-01), Tassell
patent: 5355559 (1994-10-01), Bowers et al.
patent: 286 632 (1914-05-01), None
patent: 295 076 001 U1 (1996-05-01), None
patent: 197 11 636 A1 (1997-11-01), None
patent: 0 157 344 (1985-10-01), None
patent: 2122679 (1984-01-01), None

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