Patents by Inventor Terry McIlraith

Terry McIlraith 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).

  • Independent pedaling system for tandem bicycles
    Patent number: 5964472
    Abstract: A drive system for a tandem bicycle (10) to allow a captain or a stoker to pedal independently of one another. A unidirectional bearing, e.g., a freewheel assembly (24) is incorporated in a captain crank assembly (20), a stoker crank assembly (100), or both assemblies. In the preferred embodiment of the captain crank assembly, a first adapter plate (36) and a second adapter plate (38) attach the freewheel assembly to a chainring (34). In the preferred embodiment of the stoker crank assembly, a first adapter plate (102) and a second adapter plate (104) attach the freewheel assembly to four chainrings (114, 128, 130, 134). The captain crank assembly is coupled to the stoker crank assembly by a single chain (12), and the stoker crank assembly is coupled to a rear hub (18) of the bicycle by a single chain (14). When the freewheel assembly is incorporated in both the captain crank assembly and the stoker crank assembly, either rider may stop pedaling while the other rider continues to pedal forward.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: October 12, 1999
    Assignee: Advanced Transportation Products, Inc.
    Inventors: Joel N. Smith, Grant Bower, Terry McIlraith