Blade-supported Patents (Class 30/78)
  • Patent number: 8109001
    Abstract: Shaving apparatus including a drivable shaving unit for performing a first shaving action on a user's skin; a motor adapted to drive the shaving unit to perform the first shaving action; a blade having a razor-sharp cutting edge positioned for shaving engagement with the user's skin; and a guard surface provided in front of the razor-sharp blade. During use, the blade performs a second shaving action to cut hair while the drivable shaving unit performs the first shaving action. The first shaving unit may be rotary or linear and may have a static or moving skin-engaging cutter. Two razor-sharp blades may be provided, facing in opposite directions.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: February 7, 2012
    Assignee: The Gillette Company
    Inventors: Terence G. Royle, Robert White
  • Publication number: 20110107600
    Abstract: A shaving blade assembly having a blade unit with at least one blade and a guard bar positioned in front of the blade. A cantilever guard is positioned in front of the blade unit defining a gap between the guard bar and the cantilever guard. The cantilever guard has a plurality of spaced apart fingers extending transverse to the blade. The fingers have a wedge shaped cross section in a direction transverse to the blades and are movable relative to the guard bar between a first position and a second position during a shaving stroke.
    Type: Application
    Filed: November 9, 2009
    Publication date: May 12, 2011
    Inventor: Terence Gordon Royle
  • Patent number: 7897266
    Abstract: The present disclosure is generally directed to a personal grooming product or device (e.g., foil shaver, rotary shaver, etc.) having a metal coating on one or more surfaces thereof, the grooming product being designed for contacting the skin (e.g., the human hand or face, or the skin of an animal, such as during the act of pet grooming). More specifically, the present disclosure is directed to a personal grooming product or device having a layer of some measurable thickness on such a surface, wherein the layer comprises or contains a tarnish resistant, hypoallergenic and/or antimicrobial silver-containing alloy.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: March 1, 2011
    Assignee: Rovcal, Inc.
    Inventors: David W. Everett, Jr., Maciej Murzynski, Timothy John Martin, Giovanni Gonzalez
  • Patent number: 7681314
    Abstract: According to the present invention, a razor cartridge includes a plurality of skin-engaging elements disposed on a frame. The skin engaging elements include at least two or more substantially blades having a sharpened cutting edge, a first inter-blade guard, and a cap. The two or more blades are disposed on the frame in parallel relation to one another. The first inter-blade guard is disposed on the frame between two (2) blades. A rinse-through gap extends across substantially the entire length of the frame between the first inter-blade guard and the blade aft the first inter-blade guard.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: March 23, 2010
    Assignee: Eveready Battery Company Inc.
    Inventor: Thomas A. Follo
  • Publication number: 20090083982
    Abstract: A safety razor cartridge includes a plurality of elongated blades disposed in a housing between a guard and a cap. The blades have substantially parallel sharp cutting edges. The plurality has first, second, and third consecutively disposed cutting edges. A distance between the first and second cutting edges is greater than a distance between the second and third cutting edges.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventor: Edward Neill Forsdike
  • Patent number: 7111398
    Abstract: A hair trimming device includes a cutter and a handle member. The cutter is substantially rectangular and flat and includes a blade and a frame. The handle member includes a hollow interior containing the cutter while the cutter is not in use. The cutter in use is exposed out of the handle member and is mounted above the handle member to be in line with the handle member. The frame member is configured to form a first contact line with a skin and at least one edge of the blade is configured to form a second contact line with hair. The second contact line is more distal from the skin than the first contact line.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: September 26, 2006
    Inventor: Steven S. Park
  • Publication number: 20040231161
    Abstract: A blade cartridge for a wet shaving device comprises a housing defining a cavity in which at least two blade assemblies are disposed. Each blade assembly includes a plurality of blades defining respective cutting edges that are substantially parallel to each other and generally face the cutting edges of another blade assembly. The blades are mounted on a carrier, and a wire is spirally wound about the cutting edges of the blades along the length of the cutting edges.
    Type: Application
    Filed: March 19, 2004
    Publication date: November 25, 2004
    Applicant: Eveready Battery Company, Inc.
    Inventors: David C. Coffin, Andrew J. Pennella, Michael J. Sasuta
  • Patent number: 5579580
    Abstract: In order to provide a razor head for arrangement at the front end of a handle, which, with a simple construction and easy assembly suitable for mass production and low manufacturing cost, improves the results of shaving and also can be used at body locations which are difficult to access for cosmetic and medical purposes, a razor head (1) for arrangement at the front end of a handle (2) is proposed, with a housing (3) in which are inserted at least two razor blades (8, 10) at an angle to each other and with essentially parallel cutting edges pointing away from each other, which together with adjacent housing parts define at least one contact plane, to which the respective razor blades are arranged at an essentially optimum cutting angle.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: December 3, 1996
    Assignee: Warner-Lambert Company
    Inventors: Wolfgang Althaus, Frank Ferraro
  • Patent number: 5447084
    Abstract: To improve the method for fixing protective strands to a razor head, the razor head is provided with a plastic body having an upper side that defines a surface for engaging the skin of the user, with the plastic body also having a front side and a back side. A razor blade unit is disposed in the plastic body. A series of strands are spaced along the length of the blade unit and are fixedly attached directly to said blade unit.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: September 5, 1995
    Inventor: Wolfgang Althaus
  • Patent number: 5090124
    Abstract: A razor blade unit includes a support member and at least one razor blade secured to the support member with a cutting edge extending from the support member. A wire is wrapped around at least a portion of the support member and the cutting edge of the razor blade with several space side-by-side windings traversing the cutting edge at an angle substantially perpendicular to the cutting edge. The strand is preferably a metal wire having a diameter of less than about 0.1 mm. The support member has grooves at its edges in which the wire is seated to prevent slip-page of the wire in a direction transversed to the edge of the blade.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: February 25, 1992
    Assignee: Wilkinson Sword Gesellschaft mit beschrankter Haftung
    Inventor: Wolfgang Althaus
  • Patent number: 4489489
    Abstract: An improved utility blade for use with the conventional type of utility knife handle and having means near its cutting points for shielding the cutting points and portions of the cutting edges of the blade from the contents of cardboard cartons.
    Type: Grant
    Filed: February 10, 1983
    Date of Patent: December 25, 1984
    Inventor: Julius A. Sarto