US Patent 8438773 Articulating mount for weapon sight accessory

A mount for mounting an accessory to a weapon has a base portion and an upper portion each with fore-aft axes. A first and a second link interconnect the upper portion and the base portion for articulation between a use position and a storage position. The upper portion in the use position is disposed above the base portion and the upper portion in the storage position is disposed to a side of the base portion. The fore-aft axis of the base portion and the fore-aft axis of the upper portion are parallel to one another in both the use position and in the storage position.