Patents Examined by Chirs K. Moore
  • Patent number: 4663796
    Abstract: A surface-working tool assembly having a surface-working tool connected by a quick releasable coupling to an elongate handle member. One portion of the coupling is connected to the tool and the other is connected to the handle. The tool portion is connected by a universal joint permitting rotational movement about first and second perpendicular axes. A female portion of the connecting means includes first and second telescopically engaged sleeves, the inner sleeve having a tubular passage and radial openings containing locking elements movable into and out of blocking relationship in the tubular passage.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: May 12, 1987
    Inventors: Loren L. Helling, Marlene M. Helling
  • Patent number: 4403371
    Abstract: Improvements in air blower driven debris collecting devices are disclosed including interchangeable air driven dispenser attachments for dispensing liquids and powders dispersed in an air stream; a debris collector including a portable air blower, a hand held debris pick-up nozzle, and a free standing debris collecting container; and an improved housing construction for a portable blower wherein the air intake and engine exhaust ports are positioned so as not to interfere with the operator carrying the blower and having an integral air cleaner filter holder for the engine carburator.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: September 13, 1983
    Assignee: Komatsu Zenoah Co.
    Inventor: Katsumi Kiyooka