Patents by Inventor Robert R. Law

Robert R. Law 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).

  • Patent number: 6581754
    Abstract: A conveyor belt cleaner including one or more scraper blades and a scraper blade mounting assembly for removably mounting the scraper blades to a support structure. The scraper blades include a mounting base formed of elastomeric material having a generally T-shaped mounting flange and an arm. The scraper blade also includes a metal scraping element having a generally planar lower portion and a generally planar upper portion that are disposed at an angle to one another. The lower portion of the scraping element is embedded within the arm. The upper portion of the scraping element includes a scraping tip adapted to engage a conveyor belt and that is pivotal about a pivot axis that is offset from a plane containing the upper portion of the scraping element. The mounting assembly includes a cross shaft that is adapted to be mounted at each end to a support structure by a slide bracket having a support ridge.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: June 24, 2003
    Inventor: Robert R. Law
  • Publication number: 20020079196
    Abstract: A conveyor belt cleaner including one or more scraper blades and a scraper blade mounting assembly for removably mounting the scraper blades to a support structure. The scraper blades include a mounting base formed of elastomeric material having a generally T-shaped mounting flange and an arm. The scraper blade also includes a metal scraping element having a generally planar lower portion and a generally planar upper portion that are disposed at an angle to one another. The lower portion of the scraping element is embedded within the arm. The upper portion of the scraping element includes a scraping tip adapted to engage a conveyor belt and that is pivotal about a pivot axis that is offset from a plane containing the upper portion of the scraping element. The mounting assembly includes a cross shaft that is adapted to be mounted at each end to a support structure by a slide bracket having a support ridge.
    Type: Application
    Filed: September 25, 2001
    Publication date: June 27, 2002
    Inventor: Robert R. Law