Patent ID: 6446628
Filing Date: 2002-09-10
Classification: A45F,A62B,B63C

Abstract:
A water supply device comprising:a cylinder connected to a mouthpiece which has a passage defined therein and the passage communicates with an interior of said cylinder, said cylinder having a closed end and an open end through which a spring is received, an inlet defined radially through said cylinder and a pipe engaged with said inlet, a bladder connected to said pipe; a piston member received in said cylinder and having a central passage defined longitudinally therethrough, said piston member engaged with an inner periphery of said passage and having a threaded portion defined in a periphery defining said central passage, said spring biased between said piston member and said closed end of said cylinder, and a push rod extending through said central passage of said piston member and having a threaded section defined in an outer periphery of said push rod, said threaded section engaged with said threaded portion of said piston member.