Patents by Inventor Thomas E. Loftus

Thomas E. Loftus 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).

  • Patent number: 5845474
    Abstract: A chain assembly for a cutting and mowing apparatus. There are a plurality of parallel chain members and knife members spaced from one another in pairs and connected by link members.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: December 8, 1998
    Inventor: Thomas E. Loftus
  • Patent number: 5732539
    Abstract: A cutting and mowing apparatus comprising a continuous sickle chain assembly (8) utilizing cutting knives (10). The sickle chain assembly is confined within channel (29) formed by stationary guards (28) by means of alternating chain members (12), knives (10), and links (14). The sickle chain assembly is motivated by drive assemblies (31), which possess an integral protective slip clutch assembly (45). The sickle chain assemblies tightness is maintained using spring loaded tensioner assemblies (89). On the rearward return path, the sickle chain assembly slides in the return channel (144). The drive assemblies (31) are powered from the hydraulic system of the parent machine, such as a combine, tractor, or mower/conditioner. This unit, while being designed to retrofit existing cutting machines, can also be used for new production models.
    Type: Grant
    Filed: May 1, 1996
    Date of Patent: March 31, 1998
    Inventor: Thomas E. Loftus