Filter bag for pool cleaners

  • US 4,618,420 A
  • Filed: 11/05/1984
  • Issued: 10/21/1986
  • Est. Priority Date: 11/05/1984
  • Status: Expired due to Term
First Claim
Patent Images

1. A filter bag for use with a pool cleaner having a suction mast for flow of water and debris drawn from a swimming pool or the like, said bag comprising:

  • a pair of sidewalls of generally common shape and formed from a material pervious to water flow and generally impervious to passage of debris therethrough, said sidewalls being joined together by a seamless upper end and having generally aligned front margins and rear margins;

    means for interconnecting said sidewalls along said front margins and along said rear margins, said interconnecting means being releasably separable over at least a portion of said rear margins to define a debris discharge opening;

    a mounting collar carried by said sidewalls generally at the lower ends thereof and generally adjacent said front margins for mounting said bag onto the discharge end of the pool cleaner suction mast, said mounting collar cooperating with said sidewalls to define an open mouth for passage of water and debris drawn through the suction mast into the bag interior between said sidewalls; and

    means for dividing the bag interior into a primary flow chamber disposed generally adjacent said front margins in flow communication with the open mouth defined by said collar and a collection chamber disposed generally adjacent said rear margins and having a lower end blocked from direct flow communication with the open mouth and an upper end in flow communication with the primary flow chamber, said divider means comprising a divider seam interconnecting said sidewalls and extending generally upwardly from the side of said mounting collar opposite said front margins and terminating in spaced relation below said seamless upper end, whereby water flowing through the open mouth passes through the primary flow chamber and exits the bag generally through the seamless upper end and debris flowing through the open mouth passes through the primary flow chamber and settles within the collection chamber.

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