Resources Contact Us Home
Front sight with rotary elevation adjustment

Image Number 4 for United States Patent #7188446.

An adjustable front sight includes a carrier with a spiral sighting blade mounted for rotation within a base attached directly or indirectly to a barrel. A progression of sight lands is formed along a peripheral surface of the spiral sighting blade. Rotation of the carrier in opposite directions moves different sight lands into a sighting position at varying heights above the barrel for making elevation adjustments.

  Recently Added Patents
Stand for food service
Digital camera dock having movable guide pins
Method and device for determining processed image data about a surround field of a vehicle
Sensor apparatus and information processing apparatus
System and method for detecting malicious code executed by virtual machine
Sacrificial spacer approach for differential source/drain implantation spacers in transistors comprising a high-k metal gate electrode structure
Suspension with flexure having laminated structure and bonding pads on opposing surfaces thereof, and head gimbal assembly and disk drive unit with the same
  Randomly Featured Patents
Apparatus for treating an exhaust gas from nuclear plant
Hereditary hemochromatosis gene
Mold tooling having cavity stabilizers
Damping of conductor tubes
Process for the preparation of diketopyrrolopyrroles
Circular pulsating combustors
Liquid crystal display device and method of fabricating the same
Circular connector
Vector processing system
Bracket assembly for strain relief of optical fiber jumpers