Covering for a ground opening

Details Covering for a ground opening Covering for a ground opening

E - Fixed Constructions

02

D

94/12

E02D 29/14 (2006.01) E03F 5/06 (2006.01) E05D 1/06 (2006.01) E05D 11/06 (2006.01) E05D 1/04 (2006.01)

Patent

CA 1307418

ABSTRACT OF THE DISCLOSURE A covering for a ground opening includes a frame in which a cover can be inserted. The frame has a recess for receiving a retaining web shaped onto the edge of the cover. A niche with a sloping bearing surface is formed in the frame at a distance from the recess. The cover has a cam. When the cover is in the closed position, a supporting wall provided on the cam formed on the cover edge rests on a bearing surface of the frame, so that, on closing the cover, the later is moved in the direction of the recess and assumes a locked position. Thus, the cover is held in a clearance-free manner in the frame.

603997

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