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Adjustable water-guiding rod for a cleaning brush

  • US 6,336,764 B1
  • Filed: 09/09/2000
  • Issued: 01/08/2002
  • Est. Priority Date: 09/09/2000
  • Status: Expired due to Fees
First Claim
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1. An adjustable water-guiding rod for a cleaning brush comprising:

  • a water-input rod including a water-input passage in center thereof;

    one end of said rod having a disk furnished with a ring-shaped water passage in communication with a said water-input passage;

    both inner and outer surfaces of said ring-shaped water passage furnished with ring-shaped grooves for receiving seal rings respectively;

    the center of said disk furnished with a bolt, and the outer edge of said disk furnished clutch teeth;

    a surface of said disk assembled together with a water-output rod;

    said bolt molded together with said water-input rod disk;

    the outer end of said bolt furnished with a thread portion for mounting a rotary joint thereon;

    said water-output rod having a water-output passage in center thereof;

    one end thereof having a disk furnished with a ring-shaped water passage in communication with a water-output passage;

    both inner and outer surfaces of said ring-shaped water passage of said disk furnished with ring-shaped grooves respectively for receiving seal rings;

    the center of said disk furnished with a cylindrical hole for receiving said bolt, and the outer edge of said disk mounted with a positioning disk;

    two sealing rings having different diameters mounted between said disks of said water-input rod and said water-output rod respectively a spring mounted in a cylindrical groove of said disk of said water-output rod, and one end of said spring pushing against the inner surface of said positioning disk;

    said positioning disk mounted over said disk of said water-output rod by means of a cylindrical space which being similar to outer shape of said disk;

    one side of said positioning disk furnished with a cut-out for receiving said water-output rod;

    the center of said positioning disk having a round hole for receiving said bolt;

    the outer edge of said positioning disk furnished with ring-shaped clutch teeth engaged with said clutch teeth of said disk of said water-input rod; and

    a rotary disk having a cross-shaped knob on the outer surface thereof, and the center thereof furnished with a threaded hole;

    the inner surface thereof furnished with slightly salient rib strips;

    said threaded hole engaged with said thread portion of said bolt so as to control tension between said water-input rod and said water-output rod.

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