Gun aiming device for a wheelchair
Patent 5272955 Issued on December 28, 1993. Estimated Expiration Date: 
July 17, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 17, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2350662 2388010 2582140 3249387 Adjustable rifle rest Gun traverse apparatus Adjustable gun rest Patent #: 4937965 InventorsApplicationNo. 916187 filed on 07/17/1992US Classes:89/37.04, Rifle and pistol mounts89/41.12, By hydraulic means89/44.01Spring typeExaminersPrimary: Johnson, Stephen M.Attorney, Agent or FirmInternational ClassF41A 023/58AbstractA portable apparatus attachable to a wheelchair for movably supporting a gun thereon includes a pneumatic/hydraulic fluid operated control circuit for operably controlling the direction of the gun while sitting in the wheelchair. The apparatus includes a support adapted to attach to the wheelchair and support a gun, and further includes a control system including a hydraulic linear actuator and a hydraulic rotary actuator operably connected to the support, an air tank operably connected through control valves and air/oil chambers to the actuators, and controls including a joystick which can be readily manipulated by the person in the wheelchair to move the control valves and thereby controllably actuate the actuators to aim the gun. A pair of oil interlock valves are operably connected to either side of each of the actuators to securely locate the gun in a given position once aimed.Other References
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