With Strut-type Fulcrum Patents (Class 188/229.1)
  • Patent number: 8602181
    Abstract: A method of manufacturing a railroad freight car brake beam strut assembly including the steps of: providing a railroad strut having an elongated slot defined between first and second sides of the strut, with each side of the strut defining a bore opening to the slot and to an exterior of the strut. The bores defined by the strut are aligned relative to each other along an axis. The methodology of the present disclosure further includes the step of: pressing a brake pin bushing into each bore of the strut in a direction extending away from the longitudinal axis of the strut with each brake pin bushing having first and second ends, and wherein a periphery of each bushing has a frusto-conical surface configuration. A railroad freight car strut assembly is also disclosed.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: December 10, 2013
    Assignees: Miner Enterprises, Inc., Powerbrace Corporation
    Inventors: John A. Dalman, Michael A. Weber
  • Patent number: 8602180
    Abstract: A railroad freight car brake beam with a strut having a pair of generally parallel and joined side walls disposed to opposite sides of an axis of the strut and having a central hollow portion along with a longitudinally elongated slot adapted to be inclined a predetermined number of degrees from vertical for accommodating an elongated brake lever extending through the strut. Each side wall of the strut defines a bore opening to the hollow center portion and to an exterior of the strut. The bores defined by the strut are aligned relative to each other to accommodate at least a lengthwise portion of a brake lever pivot pin extending through the strut and serving to connect the brake lever to the strut. The aligned bores in the strut also define a pivot axis for the brake lever. The strut further includes a pair of bushings which journal the brake lever pivot pin. One bushing is accommodated in each bore defined by the strut.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: December 10, 2013
    Assignees: Powerbrace Corporation, Miner Enterprises, Inc.
    Inventors: Joseph Centeno, Rudolph S. Fortuna, Thomas H. Ekstrom
  • Publication number: 20120247886
    Abstract: A method of manufacturing a railroad freight car brake beam strut assembly including the steps of providing a railroad strut having an elongated slot defined between first and second sides of the strut, with each side of the strut defining a bore opening to the slot and to an exterior of the strut. The bores defined by the strut are aligned relative to each other along an axis. The methodology of the present disclosure further includes the step of: pressing a brake pin bushing into each bore of the strut in a direction extending away from the longitudinal axis of the strut with each brake pin bushing having first and second ends, and wherein a periphery of each bushing has a frusto-conical surface configuration. A railroad freight car strut assembly is also disclosed.
    Type: Application
    Filed: June 13, 2012
    Publication date: October 4, 2012
    Inventors: John A. DALMAN, Michael A. Weber
  • Patent number: 8225912
    Abstract: A method of manufacturing a railroad freight car brake beam strut assembly including the steps of: providing a railroad freight car brake beam strut having an axially aligned slot defined between first and second sides of the strut, with each side of the strut defining a bore opening to the slot and to an exterior of the strut, with the bores defined by the strut being aligned relative to each other along an axis extending generally normal to a longitudinal axis of the strut. The methodology of the present disclosure further includes the step of: pressing a brake pin bushing into each bore of the strut in a direction extending away from the longitudinal axis of the strut. A railroad freight car strut assembly is also disclosed.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: July 24, 2012
    Assignees: Miner Enterprises, Inc., Powerbrace Corporation
    Inventors: John A. Dalman, Michael A. Weber
  • Patent number: 8025133
    Abstract: A railroad freight car brake beam strut assembly including an elongated strut having first and second joined walls. Each wall of the strut defines a bore opening to a hollow center portion and to an exterior of the strut. The bores defined by the walls on the strut accommodate a brake lever pivot pin extending through strut thereby connecting the brake lever to the strut and so as to allow pivoting of the brake lever. Each bore defined by the walls of the strut has a closed marginal edge. One brake pin bushing is accommodated in each bore defined by the strut so as to journal a lengthwise portion of the brake lever pivot pin.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: September 27, 2011
    Assignee: Miner Enterprises, Inc.
    Inventor: Oscar De La Pena
  • Patent number: 7849981
    Abstract: A brake beam including means for allowing the brake head to be replaced without effort and to include replaceable brake heads.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: December 14, 2010
    Assignee: Stucki De Mexico, De R.L. De C.V.
    Inventor: Jorge De la Fuente-Farias
  • Publication number: 20090301827
    Abstract: A railroad freight car brake beam strut assembly including an elongated strut having first and second joined walls. Each wall of the strut defines a bore opening to a hollow center portion and to an exterior of the strut. The bores defined by the walls on the strut accommodate a brake lever pivot pin extending through strut thereby connecting the brake lever to the strut and so as to allow pivoting of the brake lever. Each bore defined by the walls of the strut has a closed marginal edge. One brake pin bushing is accommodated in each bore defined by the strut so as to journal a lengthwise portion of the brake lever pivot pin.
    Type: Application
    Filed: June 6, 2008
    Publication date: December 10, 2009
    Inventor: Oscar De La Pena