초록 ▼

A concealed hinge for switching boxes which is unhingeable, the hinge having a first and second hinge part. The first hinge part having a bearing eye attached to an inside of a door leaf. The second hinge part surrounds the first hinge part in the shape of a U and is connectable to a vertical frame

A concealed hinge for switching boxes which is unhingeable, the hinge having a first and second hinge part. The first hinge part having a bearing eye attached to an inside of a door leaf. The second hinge part surrounds the first hinge part in the shape of a U and is connectable to a vertical frame member of the box. The second hinge part has two bearing eyes on ends of a U-shaped member. The hinge parts are connected by a bearing bolt arrangement.

대표청구항 ▼

In combination, a concealed hinge and door assembly for a switching box having a door and a frame, comprising: a door leaf with an inner surface and an edge section, he inner surface and the edge section of the door leaf forming a corner area; a first hinge part attached to the inner surface of the

In combination, a concealed hinge and door assembly for a switching box having a door and a frame, comprising: a door leaf with an inner surface and an edge section, he inner surface and the edge section of the door leaf forming a corner area; a first hinge part attached to the inner surface of the door leaf and having a bearing block with a U-section, said U-section having first and second limbs between which is defined a first bearing eye; a second hinge part connectable to a vertical frame limb of the box and having two portions spaced from each other and each having a respective second bearing eye; a bearing bolt extending an entire distance between said second bearing eyes; an elongated clamping member having a portion movable in a longitudinal direction into and out of said first bearing eye of said first hinge part; and means for guiding said clamping member longitudinally towards and away from said first bearing eye, said guiding means including a first passage through said second limb and a second passage which is in alignment with said first passage, said first hinge part having a third limb extending from an end of said second limb and having a fourth limb extending an end of said third limb, said second passage extending through said fourth limb, said clamping member being insertable through both of said first and second passages simultaneously.