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MANHOLE COVER HINGE ASSEMBLY

  • US 20100012671A1
  • Filed: 07/15/2008
  • Published: 01/21/2010
  • Est. Priority Date: 07/15/2008
  • Status: Active Grant
First Claim
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1. A manhole cover assembly comprising:

  • a frame having a peripheral wall defining an access opening;

    first and second frame extensions adjacent said peripheral wall, said first and second frame extensions each including a sidewall and a floor;

    a first cover mount post extending from said sidewall of said first frame extension and a second cover mount post extending from said sidewall of said second frame extension, said first and second cover mount posts positioned above said floors of said first and second frame extensions such that said posts are sealed from said access opening;

    a manhole cover including first and second mounting tabs, said first mounting tab defining a recess receiving said first cover mount post, said second mounting tab including a recess receiving said second cover mount post, said first and second mounting tabs rotating about said first and second cover mount posts between a closed position covering said access opening and an open position providing access to said access opening; and

    locking means on said first mounting tab and said first cover mount post for locking said cover in said open position when said cover is rotated to said open position.

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