Patent ID: 6938804

Claim:
A dispensing apparatus feeding device that includes a main body comprising: a push rod oriented longitudinally through the dispensing apparatus, wherein the push rod comprises a forwarding piece a forward end and a knob at a rearward end; a first section which comprises a connecting plate; a second section which comprises a coupling attached to the main body by a driving shaft and having a hindered bulge on a side of the coupling, a connecting part at a lower end of the coupling that is adapted and configured to connect with the connecting plate, and a hole in a center of the coupling to receive the driving shaft, wherein a central portion of the coupling comprises: a first recess adapted to receive one or more driving pieces, at least one of which comprises an upper through-hole adapted to receive the push rod and permit it to pass therethrough and a lower through-hole to receive a bulge of a spacing block; and a second recess adapted to receive a braking piece that cooperates with a braking bumper pin provided on the main body, with each recess being disposed adjacent the hole and on opposite sides thereof; a gun body uniting section; and a fixed handle comprising an active trigger pin-jointed thereon that has a curving portion adapted to receive fingers, wherein the connecting plate is rotatably attached at one end to an upper end of the trigger while the other end of the connecting plate is rotatably attached with a lower end of the coupling, with a spring-catching flange for catching a first spring being provided in a central part of the connecting plate, and wherein the push rod passes through the gun body uniting section, and passes successively through the braking piece, a second spring, the upper through hole in the driving pieces, a third spring, and a spring-catching piece in the second section of the main body.