Patents by Inventor Emmitt K. Jackson

Emmitt K. Jackson 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: 5927155
    Abstract: A depression pedal for bicycles, tricycles, exercise machines and the like. The depression pedal includes a plurality of spring plates (24) for contact by riders' foot. The spring plates (24) is supported by a plurality of compression springs (34) positioned to receive a plurality of threaded rods (48) passing through a plurality of bores (16, 18 and 26) located on the spring plates (24), pedal housing (10) and pedal housing plates (14). The threaded rods (48) receives a plurality of bolt threads (46) that fixate and secures the threaded rods (48) center of the compression springs (34) that is supported by the spring plates (24) holding both the compression springs (34) and spring plates (24) in place. The rider applies force by foot to the depression pedal by pressing down on the spring plate (24) causing the compression springs (34) to depress under the force being applied by the foot of rider.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: July 27, 1999
    Inventor: Emmitt K. Jackson