Crank-operated airgun with cable and cam system
AssigneeCrosman Corporation
InventorPaul Trpkovski
Life of this patent
Estimating the term…
Abstract
An airgun pressure system as described herein includes a pressure chamber comprising a cylinder extending along a length of an axis of the airgun parallel with an axis of a barrel of the airgun. The airgun also includes a piston disposed within the pressure chamber and translatable along a length of the cylinder to pressurize gas in the pressure chamber in response to an increase in force applied to the piston. The airgun also includes a rotating drum connected to a frame of the airgun, a cable operably connected to the piston and the rotating drum, and a crank handle operably connected to the rotating drum and configured to cause rotation of the rotating drum to increase tension on the cable and force on the piston to compress the gas in the pressure chamber.
Claims20
An airgun comprising:
- a pressure chamber comprising a cylinder extending along a length of an axis of the airgun parallel with an axis of a barrel of the airgun;
- a piston disposed within the pressure chamber and translatable along a length of the cylinder to pressurize gas in the pressure chamber in response to an increase in force applied to the piston;
- a rotating drum connected to a frame of the airgun;
- a cable operably connected to the piston and the rotating drum;
- and
- a crank handle operably connected to the rotating drum and configured to cause rotation of the rotating drum to increase tension on the cable and force on the piston to compress the gas in the pressure chamber.
A pressure system for an airgun comprising:
- a cylinder comprising a pressure chamber and an extended cylinder;
- a piston disposed within the cylinder and configured to compress a gas within the pressure chamber;
- a guide element extending through a wall of the extended cylinder and configured to maintain stability of the piston within the cylinder;
- a linkage connecting the guide element to the piston;
- a rotating drum connected to a frame of the airgun;
- a cable operably connected to the piston and the rotating drum;
- and
- a crank handle operably connected to the rotating drum and configured to cause rotation of the rotating drum to increase tension on the cable and force on the piston to compress the gas in the pressure chamber.
An airgun comprising:
- a frame including a user interface surface and a trigger configured to cause release of pressurized gas for firing a projectile;
- and
- a pressure system including:
- a cylinder comprising a pressure chamber and an extended cylinder;
- a piston disposed within the cylinder and configured to compress a gas within the pressure chamber;
- a guide element extending through a wall of the extended cylinder and configured to maintain stability of the piston within the cylinder;
- a linkage connecting the guide element to the piston;
- a rotating drum connected to a frame of the airgun;
- a cable operably connected to the piston and the rotating drum;
- and
- a crank handle operably connected to the rotating drum and configured to cause rotation of the rotating drum to increase tension on the cable and force on the piston to compress the gas in the pressure chamber.
Dependencies are inferred from the claim text.