Claims
- 1. A fire hydrant including a nozzle adapter for use with said fire hydrant having a body and an outlet opening and a valve member movable in said body between a retracted position and a forward position, said nozzle adapter comprising a substantially cylindrical body having a longitudinal axis and including a first end portion body having a longitudinal axis and including a first end portion having on the exterior thereof means operably engagable with said fire hydrant, a second end portion having on the exterior thereof means operably engagable with a hose, and an interior wall portion which smoothly curves from the interior of said first end portion to the interior of said second end portion such that (1) the radius from the longitudinal axis to the interior wall portion at said first end portion is larger that the radius from the longitudinal axis to the interior wall portion at said second end portion, and (2) the radius from the longitudinal axis to the interior wall portion never increases when traversing along said longitudinal axis from said first end portion to said second end portion with the transition from the interior wall of said fire hydrant to said interior wall portion of said nozzle adapter being smooth and substantially continuous so that said valve member is movable farther into said interior wall portion of said nozzle adapter to engage said first end portion of said nozzle apparatus to close said opening.
Parent Case Info
This is a division of application Ser. No. 07/591,979, filed Oct. 10, 1990, now U.S. Pat. No. 5,121,772.
US Referenced Citations (6)
Divisions (1)
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Number |
Date |
Country |
Parent |
591979 |
Oct 1990 |
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