Method of and apparatus for adjustably leveling manhole covers,

Details Method of and apparatus for adjustably leveling manhole covers, Method of and apparatus for adjustably leveling manhole covers,

1986-03-24

1987-06-16

Novosad, Stephen J.

Road structure, process, or apparatus

Pavement

Vault cover-closure

E02D 2914

Patent

active

046733108

ABSTRACT:
An adjustable leveling structure for manhole covers, grates and the like within ground and similar structures which comprises an annular-walled ring for supporting a cover, grate and the like near its upper edge and mechanically compressible resilient layer means shaped to conform to the wall of the annular ring and disposed in the space between the outer wall of the annular ring and the ground or similar structure when the annular ring is vertically displaced.

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"Sewer Products by QWP", publ. Quality Water Products, Inc., South Barre, Mass.

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