Patents Represented by Attorney, Agent or Law Firm Greg Dziegielweski
  • Inwardly cambered rocker joint for a power transmission chain
    Patent number: 6575863
    Abstract: An inwardly cambered rocker joint for a power transmission chain is disclosed. The rocker joint includes a straight pin that defines a rocking surface and engages a first chain link. The rocker joint also includes an inwardly cambered rocker that engages a second chain link and that defines a rocking surface that contacts the pin rocking surface near the ends of the rocker. The inwardly cambered rocker joint provides a stiff joint that reduces tight strand resonance and chain wash.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: June 10, 2003
    Assignee: BorgWarner, Inc.
    Inventors: John Charles Skurka, Steven Harold Manning
  • Sprocket and chain for limiting chordal fall motion
    Patent number: 6575861
    Abstract: A sprocket for engaging a power transmission chain and for limiting motion of the chain along the radial direction of the sprocket is disclosed. The sprocket supports the chain at the sprocket teeth to limit chain motion in the radial direction of the sprocket at the sprocket teeth. The support limits chain motion in the radial direction including motion induced by chordal fall.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: June 10, 2003
    Assignee: BorgWarner, Inc.
    Inventors: George L. Markley, Mark MacDonald Wigsten
  • Fastenerless chain snubber
    Patent number: 6554728
    Abstract: A fastenerless chain snubber is provided that consists of a snubber body, and one or more attachment arms that form positioning blocks. The snubber is positioned in a housing by channel surfaces in the chain housing that locate the positioning blocks of the snubber. The snubber is firmly secured during chain operation by the substantial contact between the snubber attachment arm surfaces opposite the chain cover and the corresponding surface of the installed chain cover.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: April 29, 2003
    Assignee: BorgWarner, Inc.
    Inventors: Roger G. Young, Jr., Roger P. Butterfield, D. Laurence Parks