Patents by Inventor Lawrence Goldblatt

Lawrence Goldblatt 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).

  • Patent number: 4133239
    Abstract: A saw chain is disclosed having a novel safety link bearing an upstanding cam portion with an upwardly and rearwardly inclined leading edge and a rearwardly projecting tail which pivots outwardly as the chain traverses the rounded nose of a saw bar to provide a reduced effective depth gauge setting for a following cutter link.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: January 9, 1979
    Assignee: Jessie Goldblatt
    Inventor: Lawrence Goldblatt
  • Patent number: 4074604
    Abstract: A saw chain comprising a series of center links and pairs of side links pivotally joined to form a chain. Certain of the side links are cutter links formed without integral depth gauges. The chain further comprises special cam links bearing upstanding cam portions with upwardly and rearwardly inclined forward edges and rearwardly projecting tails. Each cutter link is preceded by a cam link disposed on the opposite side of the chain.
    Type: Grant
    Filed: September 23, 1976
    Date of Patent: February 21, 1978
    Assignee: Textron, Inc.
    Inventors: Lawrence Goldblatt, Werner Weiss, Peter A. MacIntyre
  • Patent number: 3977288
    Abstract: A saw chain for a chain saw with kerf sidewall cutting, free end chisel raker teeth having positive cutting edge rake angles and with bifurcated cutters formed from paired, laterally opposed cutting elements wherein the free end chisel corners of the raker teeth project laterally outwardly beyond the bifurcated cutter forming elements so that the combined cutting width of two mirror image raker teeth is greater than the cutting width of the bifurcated cutters; the height of the bifurcated cutters being generally equal to or less than the height of the raker teeth; the cutting edges of each raker tooth and each bifurcated cutter being disposed rearwardly of the rearmost pivot point of the link which bears it, and the outer surfaces of the shank portions of the raker teeth and the outer surfaces of the bifurcated cutter forming elements being formed to engage the upper edges of the immediately following side links to lock each cutter bearing link against rearing back more than a specified amount.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: August 31, 1976
    Assignee: Sabre Saw Chain Limited
    Inventors: Lawrence Goldblatt, Werner Weiss, Vitomir Mance