Patents by Inventor Benjamin B. Schramm

Benjamin B. Schramm 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).

  • Publication number: 20140331833
    Abstract: Woodworking machines including conductive cutters adapted to cut workpieces, and motors adapted to drive the cutters are disclosed. The machines also include a contact detection system adapted to detect contact between a person and the cutter, and to distinguish contact between the person and the cutter from contact between the workpiece and the cutter. The machines further include a reaction system adapted to cause a predetermined action to take place upon detection of contact between the person and the cutter by the contact detection system.
    Type: Application
    Filed: May 13, 2013
    Publication date: November 13, 2014
    Inventors: Stephen F. Gass, Robert L. Chamberlain, Benjamin B. Schramm, Joel F. Jensen, Jonathan N. Betts-LaCroix
  • Patent number: 8522655
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: September 3, 2013
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Patent number: 8438958
    Abstract: Woodworking machines including conductive cutters adapted to cut workpieces, and motors adapted to drive the cutters are disclosed. The machines also include a contact detection system adapted to detect contact between a person and the cutter, and to distinguish contact between the person and the cutter from contact between the workpiece and the cutter. The machines further include a reaction system adapted to cause a predetermined action to take place upon detection of contact between the person and the cutter by the contact detection system.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: May 14, 2013
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, Benjamin B. Schramm, Joel F. Jensen, Jonathan N. Betts-LaCroix
  • Patent number: 8371196
    Abstract: A method of controlling a woodworking machine having a movable cutting tool. The method monitors a signal for a change indicative of a dangerous condition between the cutting tool and a person, senses movement of the cutting tool, and performs an action to mitigate the dangerous condition when the signal change and movement of the cutting tool are both detected. A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine and then to perform some action to mitigate the dangerous condition is also disclosed. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: February 12, 2013
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Publication number: 20120260781
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Application
    Filed: April 9, 2012
    Publication date: October 18, 2012
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Publication number: 20120167732
    Abstract: Woodworking machines including conductive cutters adapted to cut workpieces, and motors adapted to drive the cutters are disclosed. The machines also include a contact detection system adapted to detect contact between a person and the cutter, and to distinguish contact between the person and the cutter from contact between the workpiece and the cutter. The machines further include a reaction system adapted to cause a predetermined action to take place upon detection of contact between the person and the cutter by the contact detection system.
    Type: Application
    Filed: December 19, 2011
    Publication date: July 5, 2012
    Inventors: Stephen F. Gass, Robert L. Chamberlain, Benjamin B. Schramm, Joel F. Jensen, Jonathan N. Betts-LaCroix
  • Publication number: 20120125485
    Abstract: A method of controlling a woodworking machine having a movable cutting tool. The method monitors a signal for a change indicative of a dangerous condition between the cutting tool and a person, senses movement of the cutting tool, and performs an action to mitigate the dangerous condition when the signal change and movement of the cutting tool are both detected. A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine and then to perform some action to mitigate the dangerous condition is also disclosed. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 24, 2012
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Patent number: 8151675
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: April 10, 2012
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Patent number: 8079292
    Abstract: Woodworking machines including conductive cutters adapted to cut workpieces, and motors adapted to drive the cutters are disclosed. The machines also include a contact detection system adapted to detect contact between a person and the cutter, and to distinguish contact between the person and the cutter from contact between the workpiece and the cutter. The machines further include a reaction system adapted to cause a predetermined action to take place upon detection of contact between the person and the cutter by the contact detection system.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: December 20, 2011
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, Benjamin B. Schramm, Joel F. Jensen, Jonathan N. Betts-LaCroix
  • Patent number: 8051759
    Abstract: A method of controlling a woodworking machine having a movable cutting tool. The method monitors a signal for a change indicative of a dangerous condition between the cutting tool and a person, senses movement of the cutting tool, and performs an action to mitigate the dangerous condition when the signal change and movement of the cutting tool are both detected. A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine and then to perform some action to mitigate the dangerous condition is also disclosed. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: November 8, 2011
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Publication number: 20110239837
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Application
    Filed: March 31, 2011
    Publication date: October 6, 2011
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Patent number: 7921754
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: April 12, 2011
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L Chamberlain
  • Publication number: 20100251866
    Abstract: A method of controlling a woodworking machine having a movable cutting tool. The method monitors a signal for a change indicative of a dangerous condition between the cutting tool and a person, senses movement of the cutting tool, and performs an action to mitigate the dangerous condition when the signal change and movement of the cutting tool are both detected. A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine and then to perform some action to mitigate the dangerous condition is also disclosed. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving.
    Type: Application
    Filed: March 22, 2010
    Publication date: October 7, 2010
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Publication number: 20100089212
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 15, 2010
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Patent number: 7681479
    Abstract: A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine is disclosed. The machine includes a reaction system associated with the detection system to cause a predetermined action to take place relative to the working portion upon detection of the dangerous condition. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving. The motion detection system may include a sensor, such as a Hall effect sensor, an electromagnetic field sensor, an optical sensor, or an electrical sensor. The woodworking machine may take the form of a saw, the working portion may be a blade adapted to cut when spinning, and the dangerous condition may be a person contacting the blade.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: March 23, 2010
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Patent number: 7600455
    Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: October 13, 2009
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm, Robert L. Chamberlain
  • Patent number: 7225712
    Abstract: A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine is disclosed. The machine includes a reaction system associated with the detection system to cause a predetermined action to take place relative to the working portion upon detection of the dangerous condition. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving. The motion detection system may include a sensor, such as a Hall effect sensor, an electromagnetic field sensor, an optical sensor, or an electrical sensor. The woodworking machine may take the form of a saw, the working portion may be a blade adapted to cut when spinning, and the dangerous condition may be a person contacting the blade.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: June 5, 2007
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, J. David Fulmer, Joel F. Jensen, Benjamin B. Schramm
  • Patent number: 7210383
    Abstract: Woodworking machines including conductive cutters adapted to cut workpieces, and motors adapted to drive the cutters are disclosed. The machines also include a contact detection system adapted to detect contact between a person and the cutter, and to distinguish contact between the person and the cutter from contact between the workpiece and the cutter. The machines further include a reaction system adapted to cause a predetermined action to take place upon detection of contact between the person and the cutter by the contact detection system.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: May 1, 2007
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, Robert L. Chamberlain, Benjamin B. Schramm, Joel F. Jensen, Jonathan N. Betts-LaCroix
  • Patent number: 6997090
    Abstract: A saw with a safety system is disclosed. The safety system includes a detection system adapted to detect contact between a person and a blade while the blade is moving. The safety system further includes a brake system adapted to engage the blade and to stop the blade when the detection system detects contact between the person and the blade.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: February 14, 2006
    Assignee: SD3, LLC
    Inventors: Stephen F. Gass, David A. Fanning, J. David Fulmer, David S. D'Ascenzo, Jonathan N. Betts-LaCroix, Robert L. Chamberlain, Joel F. Jensen, Andrew L. Johnston, Sung H. Kim, Anwyl M. McDonald, Benjamin B. Schramm
  • Publication number: 20040163514
    Abstract: A saw with a safety system is disclosed. The safety system includes a detection system adapted to detect contact between a person and a blade while the blade is moving. The safety system further includes a brake system adapted to engage the blade and to stop the blade when the detection system detects contact between the person and the blade.
    Type: Application
    Filed: February 23, 2004
    Publication date: August 26, 2004
    Inventors: Stephen F. Gass, David A. Fanning, J. David Fulmer, David S. D'Ascenzo, Jonathan N. Betts-LaCroix, Robert L. Chamberlain, Joel F. Jensen, Andrew L. Johnston, Sung H. Kim, Anwyl M. McDonald, Benjamin B. Schramm