US 12,460,369 B1
Height adjustable manhole cover
Douglas Priest, Ocala, FL (US)
Filed by Douglas Priest, Ocala, FL (US)
Filed on Oct. 19, 2022, as Appl. No. 17/969,029.
Int. Cl. E02D 29/14 (2006.01); E02D 29/12 (2006.01)
CPC E02D 29/1409 (2013.01) [E02D 29/121 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A height adjustable manhole cover, comprising:
a manhole cover assembly including a lid;
an outer assembly including a female unit wherein an bottom portion of the female unit is threaded, wherein said female unit supports on a top portion said lid, said female unit includes a plurality of cleats; and
an inner assembly, wherein said inner assembly includes a male unit, wherein an top portion of the male unit is threaded, said top portion of said male unit is threadably connected with the bottom portion of said female unit, defining a threaded connection, when a force is exerted on said cleats the female unit rotates upwards or downwards with respect to said male unit, wherein said threaded connection is lubricated through at least one grease fitting.