Patents by Inventor Richard F. Hirsch

Richard F. Hirsch 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: 4592136
    Abstract: A device for automatically presenting fasteners in a predetermined disposition comprising a container for the fasteners which presents the fasteners to a rotary drum which raises the fasteners upwardly for deposit into a chute. The fasteners are fed down the chute to a ramp which positions individual fasteners in a predesired position in a feed barrel for receipt by a fastener tool. An escapement mechanism is positioned between the chute and the ramp so that a single fastener at one time falls down the ramp into the feed barrel.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: June 3, 1986
    Assignee: USM Corporation
    Inventor: Richard F. Hirsch
  • Patent number: 3974913
    Abstract: A magazine for use in continuously feeding blind rivets into a riveting tool comprising a first elongate paper sheet positioned in a substantially planar configuration and a second elongate paper sheet formed into a plurality of parallel, generally semi-cylindrical lobes spaced by planar sections, the planar sections of the second sheet being connected to one side of the first sheet, the lobes of the second sheet and the enclosing portions of the first sheet defining a plurality of spaced openings for snugly receiving the mandrels of the rivets. The length of at least some of the planar sections of the second sheet are of a size suitable for loosely receiving sheared mandrels between the lobes on opposite sides thereof for conducting such sheared mandrels through the riveting tool. The first and second sheets have a plurality of spaced holes therein for use in advancing the magazine through the riveting tool.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: August 17, 1976
    Inventor: Richard F. Hirsch
  • Patent number: D294949
    Type: Grant
    Filed: July 11, 1985
    Date of Patent: March 29, 1988
    Assignee: USM Corporation
    Inventor: Richard F. Hirsch