Reinforced firearm sight support ring

  • US 6,629,381 B1
  • Filed: 02/01/2000
  • Issued: 10/07/2003
  • Est. Priority Date: 02/01/1999
  • Status: Active Grant
First Claim
Patent Images

1. A reinforced scope ring for installation on a firearm mount having a plurality of evenly spaced transverse notches, comprising:

  • a semi-cylindrical base member, said base member defining an interior semi-cylindrical surface terminating in first and second opposing substantially co-planar elongate flanges;

    a semi-cylindrical top ring member having a semi-cylindrical interior surface terminating in third and fourth substantially planar elongate flanges and dimensioned to provide clamping force against said base member flanges;

    said base member further including first and second transverse through-bores and first and second transverse grooves;

    said first transverse groove being aligned with said first transverse through-bore, and said second transverse groove being aligned with said second transverse through-bore;

    a first transverse lug adapted to be received in said first base transverse bore, said first transverse lug having a substantially rectangular cross section and sized to be slidably received in said first base transverse groove;

    a second transverse lug adapted to be received in said second base transverse bore and having a substantially rectangular cross section and sized to be slidably received in said second base transverse groove;

    said first and second base transverse bores being spaced to position said first and second transverse lugs in alternate notches among first, second and third evenly spaced transverse notches, wherein a first notch engages said first transverse lug, a second notch is disposed between the first and third notches and the third notch engages said second transverse lug;

    said semi-cylindrical top ring member and said base member defining a cylinder bore having an axial length and a bore inner diameter, said cylinder bore having an axial length greater than said bore inner diameter.

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