Patents by Inventor Walter S. Koscomb, III

Walter S. Koscomb, III 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).

  • Masking tool for manufacturing precision gears and method for making the same
    Patent number: 6080349
    Abstract: A masking tool (60) for use in combination with a shaped-workpiece (30.sub.S) in the manufacture of a precision gear (10), which shaped workpiece (30.sub.S) defines a plurality of gear teeth (12) and tooth space surfaces (68) defined by and between adjacent gear teeth (12). The masking tool (60) is, furthermore, operative to mask the tooth space surfaces (68) during surface deposition of a masking material (28) while facilitating deposition of the masking material (28) upon the top lands (14) of the gear teeth (12). The masking tool includes a flexible back-plate (64) and a plurality of compliant masking segments (62) bonded to and integrated by the flexible back-plate (64). Each of the compliant masking segments (62) define a surface geometry (66) which is substantially complementary to the respective tooth space surface (68). Furthermore, adjacent compliant masking segments (62) define an open-ended channel (70) therebetween.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: June 27, 2000
    Assignee: Sikorsky Aircraft Corporation
    Inventors: Edward H. Bittner, Walter S. Koscomb, III, George D. Mitchell, Jr.
  • Masking tool for manufacturing precision gears
    Patent number: 6074481
    Abstract: A masking tool (60) for use in combination with a shaped-workpiece (30.sub.S) in the manufacture of a precision gear (10), which shaped workpiece (30.sub.S) defines a plurality of gear teeth (12) and tooth space surfaces (68) defined by and between adjacent gear teeth (12). The masking tool (60) is, furthermore, operative to mask the tooth space surfaces (68) during surface deposition of a masking material (28) while facilitating deposition of the masking material (28) upon the top lands (14) of the gear teeth (12). The masking tool includes a flexible back-plate (64) and a plurality of compliant masking segments (62) bonded to and integrated by the flexible back-plate (64). Each of the compliant masking segments (62) define a surface geometry (66) which is substantially complementary to the respective tooth space surface (68). Furthermore, adjacent compliant masking segments (62) define an open-ended channel (70) therebetween.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: June 13, 2000
    Assignee: Sikorsky Aircraft Corporation
    Inventors: Edward H. Bittner, Walter S. Koscomb, III, George D. Mitchell, Jr.
  • Method for manufacturing precision gears
    Patent number: 5785771
    Abstract: A method for manufacturing precision gears (10) including an initial step of providing a shaped workpiece (30.sub.S) defining a plurality of gear teeth (12) and, furthermore, defining a tooth space surface (68) defined by and between adjacent gear teeth (12). Next, a masking tool (60) is assembled in combination with the shaped workpiece (30.sub.S), which masking tool (60) includes a flexible back-plate (64) and plurality of compliant masking segments (62) bonded to and integrated by the flexible back-plate. Each of the compliant masking segments (62) defines a surface geometry (66) which is substantially complementary to the tooth space surface (68), and adjacent compliant masking segments (62) define an open-ended channel (70) therebetween. As assembled, the compliant masking segments (62) are forcibly urged into superposed engagement with the tooth space surfaces (68). In a subsequent step, a layer of masking material (28) is deposited on exposed surfaces of the shaped workpiece (30.sub.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: July 28, 1998
    Assignee: Sikorsky Aircraft Corporation
    Inventors: George D. Mitchell, Jr., Edward H. Bittner, Walter S. Koscomb, III