×

Toy water guns

  • US 5,029,732 A
  • Filed: 07/17/1989
  • Issued: 07/09/1991
  • Est. Priority Date: 07/17/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a toy water gun of a type comprising a pump which includes a piston movable along a cylinder and inlet and outlet valves for pumping water from a reservoir and delivering it under pressure to a nozzle, an inlet valve comprising:

  • a sleeve molded from synthetic plastic material having an upstream end and a downstream end, water from said reservoir being arranged to be in communication with said upstream end, an annular seating having a hollow frusto-conical seat surface at said downstream end; and

    , a central plunger molded from synthetic plastic material, said plunger comprising a head having an annular sealing surface of a open frusto-conical shape corresponding to the frusto-conical shape of said annular seating capable of engaging said annular seating and tightly sealing thereagainst by the pressure of water pressing the head of said plunger against said annular frusto-conical surface of said sleeve when the pump is activated, an integral shaft slidably received within the sleeve, a stop at the end remote from the head which together with the head retains the shaft in the sleeve, and passage means between the shaft and the sleeve to conduct water past said plunger when said head is not engaged on said seating.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×