A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A lock (1a, 1b) for a manhole cover (5) with at least one digging-bar hole (52), the lock (1a, 1b) comprising a housing (10), a coupling portion (11) for engaging with the manhole cover (5) and a latch (12) arranged to engage with an encircling manhole ring (7), the lock (1) being arranged for releasable attachment in the digging-bar hole (52).
A lock (1a, 1b) for a manhole cover (5) with at least one digging-bar hole (52), the lock (1a, 1b) comprising a housing (10), a coupling portion (11) for engaging with the manhole cover (5) and a latch (12) arranged to engage with an encircling manhole ring (7), the lock (1) being arranged for releasable attachment in the digging-bar hole (52).
LOCK FOR MANHOLE COVER
SCHLOSS FÜR SCHACHTDECKEL
VERROU POUR COUVERCLE DE REGARD
JOHANSEN BJØRGE (author)
2020-09-02
Patent
Electronic Resource
English
IPC:
E02D
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