Patents by Inventor Robert Di Diego

Robert Di Diego 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: 4286387
    Abstract: A composite casing for a coilable rule comprises a pair of inner, plastic case members and a thin, outer metal case which receives the plastic case members in a close fitting relationship. A center post is received in central openings provided in the plastic case members to support a measuring tape and coil spring of the rule. One end of the center post has an enlarged head and its other end receives an assembly screw extending through holes in the metal case to engage and hold the metal case in firm assembly with the plastic case members. A series of knurls is formed on the center post for engaging one of the plastic case members to hold the post firmly in place. Alternatively, the center post may be formed as an integral part of one of the plastic case members. A plurality of deformable ribs may be provided on the exterior surfaces of the plastic case members to engage the metal case and firmly hold the assembly together.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: September 1, 1981
    Assignee: The Stanley Works
    Inventor: Robert Di Diego