US 11,747,099 B2
Monolithic upper receiver for firearms with barrel locking system and foldable ambidextrous forward assist
Shanyao Lee, Santa Ana, CA (US); and Chien Yuan Cheng, Santa Ana, CA (US)
Assigned to Strike IP, LLC, Las Vegas, NV (US)
Filed by Strike IP, LLC, Las Vegas, NV (US)
Filed on Sep. 27, 2022, as Appl. No. 17/954,238.
Application 17/954,238 is a division of application No. 17/534,582, filed on Nov. 24, 2021, granted, now 11,543,198.
Claims priority of provisional application 63/122,443, filed on Dec. 7, 2020.
Prior Publication US 2023/0035912 A1, Feb. 2, 2023
Int. Cl. F41A 3/72 (2006.01); F41A 35/06 (2006.01); F41A 3/66 (2006.01); F41A 21/48 (2006.01)
CPC F41A 3/72 (2013.01) [F41A 3/66 (2013.01); F41A 21/485 (2013.01); F41A 35/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A device implementable on a firearm, comprising:
a charging handle assembly configured to be coupled to an operating rod of a gas system of the firearm and forward of a bolt carrier group (BCG) of the firearm,
wherein, in operation:
the charging handle assembly is configured to be pulled rearward with respect to the firearm to engage with a front end of the operating rod, and
when in a forward assist mode, the charging handle assembly is configured to be pulled forward with respect to the firearm to pull the operating rod and the BCG forward,
wherein the charging handle assembly comprises:
a foldable charging handle comprising a foldable arm and a foldable charging handle base; and
an assembly base with a through hole horizontally traversing through the assembly base between a left side thereof and a right side thereof with respect to the firearm, and
wherein the foldable charging handle base is slidingly receivable in the through hole such that the foldable charging handle base is slidable between a first position, corresponding to a normal mode of the charging handle assembly, and a second position, corresponding to the forward assist mode of the charging handle assembly.