Patent ID: 6899208

Claim:
A rotary damper which comprises: a. an inner body with a plurality of chambers, said chambers filled with a viscous fluid; b. a rotor rotatably mounted in said inner body, said rotor having a hollow center section and also having a number of vanes equal to the number of chambers in said inner body; said vanes dividing said chambers into compressing and expanding chambers; said rotor further having orifices that allow communication of said viscous fluid through the center of said rotor from said compressing chambers to said expanding chambers; c. an outer shell to cover said chambers to create a sealed unit; said outer shell having a centrally located, downwardly extending cylindrical section with a vertically oriented machined profile through the center of said cylindrical section; d. a regulator in the said hollow center section of said rotor; said regulator having an upwardly extending machined profile that engages said machined profile of said cylindrical section of said outer shell to allow for vertical adjustment of said regulator, said regulator also having means for restricting said orifices in said rotor; e. means for adjusting said regulator.