Patent ID: 9630204
Date: 2017-04-25
CPC Classifications: B05C

Claim:
1. A caulking gun comprising: a stock including a handle extended therefrom; a piston rod slidably attached to said stock and movable forwardly and rearwardly relative to said stock, said piston rod including a front portion; and a plunger attached to said front portion of said piston rod, said plunger including a head which is plate-shaped, attached to said front portion of said piston rod and extends laterally relative to the piston rod, and said plunger including a pusher having an opening formed in an upper portion of said pusher for receiving and engaging with said head and for securing said head to said pusher; wherein the upper portion further includes a receiving space and a lip protruding from a periphery of the receiving space the lip defines an inner peripheral channel thereunder and communicating with the receiving space, and relative to the piston rod the inner peripheral channel and the receiving space are laterally open toward a same lateral side of the upper portion to form a receiving mouth; wherein the head is laterally engageable within the inner peripheral channel via the receiving mouth directly and blockable by the lip in a direction parallel to the piston rod, and the head is laterally disengageable from the inner peripheral channel via the receiving mouth directly.