US 12,233,514 B2
Adjustable ratchet wrench
Haisheng Liu, Hudson, OH (US)
Filed by Haisheng Liu, Hudson, OH (US)
Filed on Jul. 22, 2022, as Appl. No. 17/871,000.
Prior Publication US 2024/0025020 A1, Jan. 25, 2024
Int. Cl. B25B 13/14 (2006.01); B25B 13/46 (2006.01)
CPC B25B 13/14 (2013.01) [B25B 13/462 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An adjustable wrench, comprising:
a base plate;
a top plate rotatably coupled to the base plate;
a plurality of grippers, which form an interior polygonal shape within a center of the base plate and the top plate; and
a plurality of push rods, each push rod coupled to a respective gripper,
wherein:
the plurality of grippers and the plurality of push rods are configured to fit between the base plate and the top plate, and
as the top plate is rotated with respect to the base plate, the push rods move the grippers to change a size of the interior polygonal shape.