Patents by Inventor Gerald P. Evans

Gerald P. Evans 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).

  • Power operated mechanisms for actuating swinging arms
    Patent number: 4286916
    Abstract: A power operated mechanism for moving a pair of swinging arms 16 carrying a bucket 19 at their ends includes a pair of double-acting rams 22 each having a piston rod 24 pivotally connected to the cross piece 26 of a T-link 27 which is in turn pivotally connected to a point on the swinging arm 16 displaced from its main pivot 17. The mechanism is carried on a chassis which also carries a slurry tank 11 into which the contents of the bucket 19 are tipped; the slurry tank includes an internal auger 60 which delivers slurry to the rear of the tank where it is pumped up a vertical discharge pipe 51 and then discharged in a downward direction.
    Type: Grant
    Filed: July 17, 1979
    Date of Patent: September 1, 1981
    Inventor: Gerald P. Evans