US12638266 - Air gun assembly and a pin for filling and bleeding a pressure tube assembly

The patent describes an air gun assembly that features a gun tube and a pressure tube assembly, which includes a fill block and a cylinder for containing compressed gas. A pin connects the fill block and gun tube while incorporating a valve assembly that allows for controlled fluid communication into the gas chamber.
Claim 1
1 . An air gun assembly comprising: a gun tube defining a first aperture; a pressure tube assembly including a fill block and a cylinder coupled to each other, wherein the fill block defines a second aperture and the cylinder defines a chamber configured to contain compressed gas; a pin disposed through the first aperture and the second aperture to couple together the fill block and the gun tube, wherein the pin defines a channel; and a valve assembly attached to the pin and at least partially disposed inside of the channel, wherein the valve assembly is configured to selectively allow fluid communication into the chamber via the channel. a gun tube defining a first aperture; a pressure tube assembly including a fill block and a cylinder coupled to each other, wherein the fill block defines a second aperture and the cylinder defines a chamber configured to contain compressed gas; a pin disposed through the first aperture and the second aperture to couple together the fill block and the gun tube, wherein the pin defines a channel; and a valve assembly attached to the pin and at least partially disposed inside of the channel, wherein the valve assembly is configured to selectively allow fluid communication into the chamber via the channel.
Google Patents
https://patents.google.com/patent/US12638266
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12638266