Patents by Inventor Mario F. Martins

Mario F. Martins 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: 4728248
    Abstract: An assembly for engaging the central bore of a narrow, standing heavyweight reel element, or the core thereof adjacent the opening of the bore, to facilitate the manual lifting and locking of such reel to an elevated shaft-alignment position for transfer of such reel onto a receptive horizontal shaft. The assembly comprises an elevated support member, a lever arm pivotally-attached thereto for vertical movement and including engagement means for locking the lever arm in raised position. The lever arm also has pivotally-attached thereto a depending swivel arm having a substantially-horizontal hub member for engaging the bore or core of the reel, supporting the reel in vertical position as the lever arm is raised and locked in shaft-alignment position and permitting the reel to be pushed onto the receptive shaft.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: March 1, 1988
    Inventor: Mario F. Martins