Scope with push-in windage/elevation reset

• US 20060268433A1
• Filed: 01/26/2006
• Published: 11/30/2006
• Est. Priority Date: 01/26/2005
• Status: Active Grant

• Current Assignee: Leica Camera AG (Lisa Germany Holding GmbH)
• Original Assignee: Yt Products, LLC
• Inventors: Thomas, Mitchell
• Granted Patent: US 7,495,847 B2
• Time in Patent Office: Days
• US Class Current: 359/811
• CPC Class Codes: F41G 1/38 Telescopic sights specially adapted for smallarms or ordnance telescopic sights in general G02B; Supports or mountings therefor
• CPC Class Codes: F41G 11/004 Mountings with clamping means on the device embracing at least a part of the firearm, e.g. the receiver or a dustcover F41G11/003 takes precedence
• CPC Class Codes: G02B 23/14 Viewfinders for photographic apparatus G03B13/02
• CPC Class Codes: G02B 23/145 Zoom viewfinders
• CPC Class Codes: G02B 7/021 for more than one lens
• CPC Class Codes: G02B 7/10 by relative axial movement of several lenses, e.g. of varifocal objective lens

Abstract

Certain embodiments described herein comprise a scope for mounting on a firearm to provide a sight. This scope is adjustable in at least one of elevation and windage. The scope comprises a main tube, imaging optics in the main tube, a movable optic assembly that holds at least a portion of the optics; and an adjustable mechanism configured to adjust the position of the movable optics assembly. The adjustment mechanism comprises a rotatable adjustment knob, an adjustment screw, and a biasing element that biases the adjustment screw with respect to the adjustment knob. In an engagement position the adjustment knob drivingly engages with the adjustment screw such that rotation of the knob causes rotation of the adjustment screw, and in a depressed position the knob disengages the adjustment screw.

Claims

1. A scope for mounting on a firearm to provide a sight, said scope adjustable in at least one of elevation and windage, said scope comprising:

a main tube;

imaging optics in said main tube;

a movable optic assembly that holds at least a portion of said optics; and

an adjustable mechanism configured to adjust the position of said movable optics assembly, said adjustment mechanism comprising;

a rotatable adjustment knob;

a threaded member;

a biasing element that biases said threaded member with respect to said adjustment knob;

wherein in an engagement position said adjustment knob drivingly engages said threaded member such that rotation of said knob causes rotation of said threaded member, and in a depressed position said knob disengages the threaded member.

2. The scope of claim 1, wherein said movable optics assembly comprises an erector tube.

3. The scope of claim 1, wherein said threaded member comprises a screw.

4. The scope of claim 1, wherein said biasing element comprises a spring.

5. The scope of claim 1, further comprising a drive assembly that mechanically connects said adjustment knob and said threaded member, rotation of said adjustment knob causes rotation the drive assembly, said drive assembly includes an opening therein and said opening and said threaded member are shaped and sized such that said threaded member slidably engages said drive assembly and moves axially within said opening when said drive assembly rotates.

6. The scope of claim 1, further comprising first and second interlocking coupling members, said adjustment knob including said first coupling member and said second coupling member connected to said screw, said first and second coupling members engaged when said adjustment knob is in said engagement position, and said first and second coupling members disengaging when said adjustment knob is in said depressed position.

7. The scope of claim 6, wherein said first coupling member comprises a first gear and second coupling member comprises a second gear that mates with the first gear when said adjustment knob is in said engagement position.

8. A method of manufacturing a scope for a firearm, said method comprising:

providing a hollow main tube body;

inserting movable optics in said hollow main tube body;

inserting a screw into said main tube body to engage said optics; and

providing an adjustment knob that is biased with respect to the screw to a first position, said adjustment knob drivingly engaging said screw when in said first position and disengages the screw when in a second position.

9. The method of claim 8, wherein said adjustment knob is biased away from the main tube body.

10. The method of claim 8, further comprising moving at least a portion of said optics with said screw by rotating said adjustment knob when the adjustment knob is in said first position.

11. The method of claim 8, further comprising rotatably mounting said adjustment knob to a base that surrounds at least a portion of said screw, wherein said adjustment knob is movable toward and away from said base in said second position and first positions, respectively.

12. The method of claim 11, wherein a biasing member is compressed when said adjustment knob is moved towards said main tube body from said first position to said second position.

13. A scope for mounting on a firearm to provide a sight, said scope adjustable in at least one of elevation and windage, said scope comprising:

a main tube;

imaging optics disposed within said main tube; and

an adjustment mechanism coupled to said main tube to adjust the position of said imaging optics, said adjustment mechanism being movable between a first position and a depressed second position and comprising;

an adjustment knob that has a first coupling element;

an elongated body extending through the main tube; and

a second coupling element connected to the elongated body;

wherein said first coupling element engages said second coupling element when said adjustment mechanism is in said first position such that movement of said adjustment knob causes said elongated body to move through a wall of said main tube, and said first coupling element disengages from said second coupling element when said adjustment mechanism is in said depressed second position.

14. The scope of claim 13, wherein said elongated body comprises an adjustment screw that has external threads.

15. The scope of claim 13, further comprising a mounting platform having internal threads, wherein said adjustment screw has external threads that mate with said internal threads of said mounting platform.

16. The scope of claim 13, wherein said first coupling element comprises a first gear and said second coupling element comprises a second gear, and said first gear mates with said second gear when said adjustment mechanism is in said first position.

17. The scope of claim 16, wherein said first coupling element is spaced from the second coupling element when said adjustment mechanism is in said second depressed position.

18. The scope of claim 13, wherein said biasing member biases said adjustment knob away from said main tube to a first knob position.

19. The scope of claim 13, wherein said adjustment knob has an upper surface that includes indicia for indicating the position of the adjustment knob relative to said main tube.