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Surgical soap dispenser

  • US 4,946,070 A
  • Filed: 02/16/1989
  • Issued: 08/07/1990
  • Est. Priority Date: 02/16/1989
  • Status: Expired due to Term
First Claim
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1. A device for dispensing a predetermined quantity of a liquid product comprising:

  • (a) a roller mounted for rotation and movable along an endless path which is substantially straight along a first portion of said path;

    (b) a base pad adjacent said path along said first portion of said path and defining a nip with said roller as it travels along at least part of said first portion;

    (c) a flexible walled conduit means positioned adjacent said base pad within said nip;

    (d) a valve means biased in a normally closed position sealing said conduit, said valve means being openable in response to increased pressure within the conduit means and recloses upon reduction of said pressure increase below a predetermined level;

    (e) an amount of said liquid product within said conduit between said nip and said valve means; and

    (f) moving means for moving said roller along said first portion of said path toward said valve means to squeeze said product between said nip and said valve means to increase the pressure within said conduit to open said valve means and permit passage of said product past said valve means out of said conduit, said moving means including a pair of spaced parallel rotatable walls each defining a slot extending radially from a center of rotation of one wall, said slots supporting said roller, and biasing means for biasing said roller along said slots into a position forming said nip.

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