Patents by Inventor Wallis C. Axt

Wallis C. Axt 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).

  • Vibration isolating hand grip for shank of a percussive chisel
    Patent number: 4044625
    Abstract: A hand grip in the form of a sleeve unit having a body of elastomeric material provided with an internal cavity filled with a fluent material; and having an axial through hole adapted to slidably receive the shank of a chisel of a percussive tool, the hand grip adapted when manually squeezed to grip the shank of the chisel to allow insertion or removal of the shank from the tool, and adapted when grasped by the operator during operation of the tool to isolate the vibrations of the shank from the hand of the operator.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: August 30, 1977
    Assignee: Chicago Pneumatic Tool Company
    Inventors: Marcel P. D'Haem, Wallis C. Axt