Patents by Inventor Daniel A. Boerger

Daniel A. Boerger 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).

  • Drive device for clippers
    Patent number: 4723362
    Abstract: An improved clipper and oscillating drive lever for engaging a slot in the movable cutter of a clipper. The distal end of the lever has two resilient prongs biased to a first spread greater than the dimension of the slot such that the prongs must be squeezed together to engage the slot. Some preferred embodiments include inwardly-turned tips. Reduced noise and improved cutting efficiency are provided.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: February 9, 1988
    Inventor: Daniel A. Boerger
  • Clipper attachment device
    Patent number: 4694575
    Abstract: An improved clipper and improved cutter head attachment device of the type having a pair of mating members including a substantially flat male member and a female slot. One of the mating members has at least one resilient offset portion which must be squeezed into engagement against the other of the mating members when the cutter head is engaged with the main clipper body. This provides gap-free engagement which reduces noise and improves cutting performance.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: September 22, 1987
    Inventor: Daniel A. Boerger