Articulating mount for weapon sight accessory

1. A mount for mounting an accessory to a rail of a weapon, the rail defining a longitudinal axis and having an upper face and a pair of opposed side faces, the mount comprising:

a base portion having an upper surface and a lower surface, the lower surface configured to engage a rail of a weapon so as to attach the base portion thereto, the base portion having a forward edge and a rearward edge with a fore-aft axis extending therebetween, the fore-aft axis being parallel to the longitudinal axis of the rail when the base portion is attached to the rail;

an upper portion having an upper surface and a lower surface, the upper surface of the upper portion comprising a mounting surface for receiving an accessory;

a first and a second link interconnecting the upper portion and the base portion for articulation between a use position and a storage position, the upper portion in the use position being disposed above the base portion and the upper portion in the storage position being disposed to a side of the base portion, the upper portion having a forward edge and a rearward edge with a fore-aft axis extending therebetween, the fore-aft axis of the base portion and the fore-aft axis of the upper portion being parallel to one another in both the use position and in the storage position.

2. The mount in accordance with claim 1 , wherein one of the links has an effective length longer than the effective length of the other link.

3. The mount in accordance with claim 1 , wherein the upper portion is generally parallel to the base portion in the use position and is angled with respect to the base portion in the storage position.

4. The mount in accordance with claim 1 , wherein part of the upper portion extends below the base portion when the upper portion is in the storage position.

5. The mount in accordance with claim 1 , further comprising a locking element for locking the upper portion in the use position.

6. The mount in accordance with claim 5 , wherein the locking element is a latch that engages a tab on the upper portion.

7. The mount in accordance with claim 6 , wherein the latch is pivotally interconnected with the base portion.

8. The mount in accordance with claim 7 , further comprising a spring for biasing the upper portion towards the storage position.

9. The mount in accordance with claim 1 , further comprising a spring for biasing the upper portion towards the storage position.

10. The mount in accordance with claim 1 , wherein:

the base portion has a first side portion configured to engage a first side face of a rail of a weapon and an opposite second side portion configured to engage a second side face of a rail of a weapon;

one of the side portions being movable relative to the other of the side portions such that the side portions cooperate to selectively grip the rail of the weapon.

11. A mount for mounting an accessory to a weapon, the mount comprising:

a base portion having an upper surface and a lower surface, the lower surface configured to attach to a weapon, the base portion having a forward edge and a rearward edge with a fore-aft axis extending therebetween, the fore-aft axis being generally parallel to a longitudinal axis of the weapon when the base portion is attached thereto;

an upper portion having an upper surface and a lower surface, the upper surface of the upper portion comprising a mounting surface for receiving an accessory;

a first and a second link interconnecting the upper portion and the base portion for articulation between a use position and a storage position, the upper portion in the use position being disposed above the base portion and the upper portion in the storage position being disposed to a side of the base portion.

12. The mount in accordance with claim 11 , wherein the upper portion has a forward edge and a rearward edge with a fore-aft axis extending therebetween, the fore-aft axis of the base portion and the fore-aft axis of the upper portion being parallel to one another in both the use position and in the storage position.

13. The mount in accordance with claim 11 , wherein the upper portion is generally parallel to the base portion in the use position and is angled with respect to the base portion in the storage position.

14. The mount in accordance with claim 11 , wherein part of the upper portion extends below the base portion when the upper portion is in the storage position.