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Fire hydrant valve actuator

  • US 4,790,342 A
  • Filed: 11/30/1987
  • Issued: 12/13/1988
  • Est. Priority Date: 11/30/1987
  • Status: Expired due to Fees
First Claim
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1. In a fire hydrant of the type including a first housing that defines an internal chamber wherein said housing comprises an upper portion and a lower portion which are connected to each other by a member wherein said lower portion is adapted to be installed in the ground and the upper portion and said member are adapted to be above the ground, a closure for the upper end of the upper portion of said housing, a water inlet valve in the lower portion of said housing, and a water inlet valve operating mechanism which includes means for urging said water inlet valve to its closed position and a first operating rod, the improvement comprising,said means for urging said water inlet valve to its normally closed position being disposed in said lower portion of said housing,said first operating rod being disposed in the lower portion of said housing, one end of said first operating rod being in engagement with said water inlet valve, the other end of said first operating rod being below the connection of said upper and lower portions of said housing,means for supporting said first operating rod for axial movement between a first position where it opens said water inlet valve and a second position where said water inlet valve is closed,the upper portion of said internal housing not containing any part of said valve operating mechanism when said water inlet valve is closed, so that if said upper portion is damaged or broken, there is no damage to said water inlet valve or said valve operating mechanism whereby repair of said hydrant can be made without having to remove or replace said water inlet valve or said valve operating mechanism,an aperture in said closure,said aperture being for receiving a means for moving said first operating rod to open said water inlet valve.

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