Device for equalizing changes in level between a ground area...

Details Device for equalizing changes in level between a ground area... Device for equalizing changes in level between a ground area...

2005-02-08

2005-02-08

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

With entrance for persons or objects in horizontal or...

With additional enclosure structure; e.g., manhole

C052S019000, C404S026000, C404S025000

Reexamination Certificate

active

06851225

ABSTRACT:
A device for equalizing changes in level between a ground area surface extending over a ground structure and a frame for closure of an installation projecting into a ground structure therebelow, comprises a plate-shaped dragging body connected to the closure frame and projecting horizontally into the ground structure below a carrying layer thereof so as to transfer the change in level to the closure frame, the plate-shaped dragging body being a separate structural element which supports the closure frame on an upper side thereof.

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