Patents by Inventor Chris E. Akins

Chris E. Akins 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: 4991659
    Abstract: Ripper assemblies are normally utilized for ripping hardened ground, rock, and so forth. Due to the type of ground being ripped, it is many times advantageous to selectively change the pitch angle of the ripper tip during the ripping operation. Furthermore, it is advantageous to have a push block associated with the ripper assembly in order to allow the second vehicle to provide an additional pushing force for ripping of the ground. When a ripper assembly incorporates an adjustable pitch control and has a push block, the visibility of the ripper tip by the operator is many times limited or totally lost. In this subject arrangement, a push block is integral with a frame assembly and a ripper carriage assembly is pivotally secured to the frame assembly. By the push block being integral with the frame assembly, the ripper carriage assembly is simple and compact allowing better visibility by the operator to the rear of the ripper assembly.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: February 12, 1991
    Assignee: Caterpillar Inc.
    Inventors: Visvaldis A. Stepe, Chris E. Akins