A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
HEIGHT ADJUSTMENT MECHANISM FOR A MANHOLE ASSEMBLY AND MANHOLE ASSEMBLY COMPRISING THE SAME
According to one variation, the upper body has a plurality of circumferentially spaced-apart flange members which selectively engage with circumferentially and axially spaced-apart flange members of the lower body which are aligned in columns. According to a further variation, the flange members of the lower body are aligned in segmented spiral formation. According to a further variation, the upper body includes a plurality of circumferentially spaced-apart, outwardly-extending protrusions which are insertable with selective ones of a variation of receptacles of varying depths which are a part of the lower body.
HEIGHT ADJUSTMENT MECHANISM FOR A MANHOLE ASSEMBLY AND MANHOLE ASSEMBLY COMPRISING THE SAME
According to one variation, the upper body has a plurality of circumferentially spaced-apart flange members which selectively engage with circumferentially and axially spaced-apart flange members of the lower body which are aligned in columns. According to a further variation, the flange members of the lower body are aligned in segmented spiral formation. According to a further variation, the upper body includes a plurality of circumferentially spaced-apart, outwardly-extending protrusions which are insertable with selective ones of a variation of receptacles of varying depths which are a part of the lower body.
HEIGHT ADJUSTMENT MECHANISM FOR A MANHOLE ASSEMBLY AND MANHOLE ASSEMBLY COMPRISING THE SAME
BRIEN TREVOR (author)
2021-03-25
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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