Patents Assigned to Crudgington Machine Tools, Inc.
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Publication number: 20020056344Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment worth with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: ApplicationFiled: November 23, 2001Publication date: May 16, 2002Applicant: Crudgington Machine Tools, IncInventors: John G. Crudgington, Graham J. Crudgington
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Publication number: 20010037707Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment worth with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: ApplicationFiled: June 27, 2001Publication date: November 8, 2001Applicant: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Patent number: 6305257Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: GrantFiled: May 3, 2001Date of Patent: October 23, 2001Assignee: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Patent number: 6286402Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: GrantFiled: December 19, 2000Date of Patent: September 11, 2001Assignee: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Publication number: 20010018853Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment worth with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: ApplicationFiled: May 3, 2001Publication date: September 6, 2001Applicant: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Patent number: 6164173Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment with stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: GrantFiled: April 24, 2000Date of Patent: December 26, 2000Assignee: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Patent number: 5918514Abstract: A multi-spindle CNC lathe (50) comprises a frame assembly (104) mounted on a base (52) and including spaced apart, rigidly interconnected subframes (106, 108) defining spaced, parallel alignment surfaces (120, 122, 124, 126). A plurality of spindles (430) each includes a collet (450) for rotating a stock about a spindle axis. An indexing mechanism (640) positions the spindles (430) in alignment with work stations located at equally spaced intervals about a central axis. Identical internal ram tool slides (220) mounted on the alignment surface (110) of one of the subframes (106) each comprises a servo mechanism (224) for advancing and retracting a cutting tool along a work station axis.Type: GrantFiled: June 4, 1997Date of Patent: July 6, 1999Assignee: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington
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Patent number: 5676030Abstract: A multi-spindle CNC lathe comprises a frame assembly mounted on a base and including spaced apart, rigidly interconnected subframes defining spaced, parallel alignment surfaces. A plurality of spindles each includes a collet for rotating a stock about a spindle axis. An indexing mechanism positions the spindles in alignment with work stations located at equally spaced intervals about a central axis. Internal tool slides mounted on the alignment surface of one of the subframes each comprise a servo mechanism for advancing and retracting a cutting tool along a work station axis. External tool slides mounted on the alignment surface of the other subframe each comprise a first servo mechanism for advancing and retracting a cutting tool toward and away from the work station axis and a second servo mechanism for selectively moving the cutting tool back and forth along a path extending parallel to the work station axis.Type: GrantFiled: August 14, 1995Date of Patent: October 14, 1997Assignee: Crudgington Machine Tools, Inc.Inventors: John G. Crudgington, Graham J. Crudgington