US 12,479,002 B2
Caulking gun
Chen-Hsuan Hung, Changhua County (TW)
Assigned to SIANG SYUAN FU ENTERPRISE CO., LTD., Changhua County (TW)
Filed by SIANG SYUAN FU ENTERPRISE CO., LTD., Changhua County (TW)
Filed on Aug. 23, 2023, as Appl. No. 18/454,337.
Prior Publication US 2025/0065362 A1, Feb. 27, 2025
Int. Cl. B05C 17/00 (2006.01); B05C 17/005 (2006.01); B05C 17/01 (2006.01)
CPC B05C 17/00553 (2013.01) [B05C 17/0133 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A caulking gun, including:
a gun body;
a cartridge sleeve, swingably connected to the gun body, configured to receive two sealants;
two push rods, disposed on the gun body and being movable in a moving direction to squeeze the two sealants;
a driving member, movably disposed on the gun body and driving the two push rods to move;
a lever, disposed on the gun body and being swingable about a pivot center, including an abutting portion which is abuttable against the driving member; and
a switch mechanism, disposed between the gun body and the lever, including a switch member being movable between a first position and a second position relative to the gun body; when the switch member is in the first position and the lever is actuated, the abutting portion generates a first torque to urge the driving member; when the switch member is in the second position and the lever is actuated, the abutting portion generates a second torque different from the first torque to urge the driving member.