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EP 0587971 B1 19970129 - Locking key for a manhole cover

Title (en)

Locking key for a manhole cover

Title (de)

Absperrvorrichtung für eine Schachtabdeckung

Title (fr)

Clef de verrouillage pour couvercle de regard de chaussée

Publication

EP 0587971 B1 19970129 (FR)

Application

EP 92870149 A 19920918

Priority

EP 92870149 A 19920918

Abstract (en)

[origin: EP0587971A1] Device for locking manhole covers, including one or more keys (3) having an upper horizontal part (12) immobilising the upper tabs (10) of the cover (2), and a lower curved part (13) intended to be engaged in a corresponding cavity in the frame of the manhole (1) and to immobilise the lower clamping tabs (8) of the cover (12). <IMAGE>

IPC 1-7

E02D 29/14

IPC 8 full level

E02D 29/14 (2006.01)

CPC (source: EP)

E02D 29/1427 (2013.01)

Designated contracting state (EPC)

BE DE ES FR GB IT

DOCDB simple family (publication)

EP 0587971 A1 19940323; EP 0587971 B1 19970129; DE 69217218 D1 19970313; DE 69217218 T2 19970515; ES 2097310 T3 19970401

DOCDB simple family (application)

EP 92870149 A 19920918; DE 69217218 T 19920918; ES 92870149 T 19920918