Patents by Inventor Raymond R. Laverick

Raymond R. Laverick 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).

  • Reciprocating saw
    Patent number: 5421232
    Abstract: A reciprocating saw is provided with a blade-clamping arrangement having the blade clamped by its thin edges between a pair of wedge-shaped jaws carried in a tapered sleeve at the end of the reciprocating drive shaft of the saw, the clamping of the jaws being effected by turning a non-reciprocating knob carried on the head of a saw and the knob being operably connected to the clamping jaws by a two-part stem of which the two-parts are mutually reciprocable whilst being restrained so that they can only be rotated as a unit.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: June 6, 1995
    Assignee: Black & Decker Inc.
    Inventor: Raymond R. Laverick
  • Flexible filament vegetation cutter
    Patent number: 4578863
    Abstract: A vegetation trimmer incorporating a cutting filament (24) that is rotated by a head (9) drivingly coupled by a belt drive (26) for example to a driving motor. Feed of filament to the head 9 is from a reel mounted in a handle (14) by which the trimmer is supported, the feed of filament from the reel being under the control of the user.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: April 1, 1986
    Assignee: Black & Decker Inc.
    Inventor: Raymond R. Laverick