Patents by Inventor Alfred M. Rubio

Alfred M. Rubio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Two-coin-operated dispensing mechanism
    Patent number: 3970181
    Abstract: Conversion mechanism is disclosed for converting a coin-operated dispensing apparatus including an actuating means and a coin-receiving wheel coupled thereto for movement thereof in response to receipt of a single coin, to a mode of operation only in response to receipt of two coins. The conversion mechanism includes a drive plate coupled to the coin-receiving wheel for rotation therewith and carrying a pivotable drive pawl normally biased toward driving engagement with a modified actuating member, and a cam member for moving the pawl out of driving engagement with the actuating member upon rotation of the coin-receiving wheel in response to a first coin, the pawl moving back into driving engagement with the actuating member upon rotation of the coin-receiving wheel in response to insertion of a second coin.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: July 20, 1976
    Assignee: National Sanitary Laboratories, Inc.
    Inventor: Alfred M. Rubio