Front sight with rotary elevation adjustment

Details Front sight with rotary elevation adjustment Front sight with rotary elevation adjustment

2007-03-13

2007-03-13

Carone, Michael J. (Department: 3641)

Firearms

Implements

Sight devices

C042S136000, C042S137000, C042S140000

Reexamination Certificate

active

11157086

ABSTRACT:
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.

REFERENCES:
patent: 711507 (1902-10-01), Junod
patent: 1027892 (1912-05-01), Peck et al.
patent: 1586413 (1926-05-01), Doornbos
patent: 2276446 (1942-03-01), Zimmerman
patent: 2331903 (1943-10-01), Garand
patent: 6615530 (2003-09-01), Johansson

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