Spring powered sliding drywall taping tool with auto cutter
View Patent ↗A drywall tape or trim dispensing tool of the type similar to those sold under the name BAZOOKA with an elongated handle and a tape or trim dispensing head. The head can contain a blade coupled to a power mechanism such as a spring, hydraulic or electric energy source where the blade can be placed into a cocked position by a cocking mechanism and then triggered by a pull on a remote trigger located on the handle. After the device is cocked, the user can dispense tape or trim to a desired length and then cut it exactly by a simple trigger pull.
1. A drywall tape or trim applicator and cutter system comprising:
an elongated support structure having a first and second end, said support structure including a dispensing head on the first end receiving and dispensing drywall trim material, wherein said dispensing head contains:
a blade guide running laterally from side to side;
a actuator chain running parallel to the blade guide;
a blade attached to the actuator chain, said blade moving laterally with said actuator chain along said blade guide;
wherein, said actuator chain extends around a first pulley into said elongated support structure and is attached to a cocking mechanism located near the second end and wherein, said actuator chain extends around a second pulley and is attached to a power spring or actuator;
wherein, said cocking mechanism includes a piston and pin assembly slideable inside a cylinder attached to said support structure that can be moved toward said second end to extend said power spring or actuator and cock the system, said cocking system engaging a catch when the system is cocked;
and wherein, said catch is releasable by a cooperating trigger mounted near said second end of the elongated support structure.
2. The drywall tape or trim applicator and cutter system of claim 1 further comprising a movable tube adapted to engage said pin and cock said system.
3. The drywall tape or trim applicator and cutter system of claim 1 wherein said head further contains a trim material guide.
4. The drywall tape or trim applicator and cutter system of claim 1 wherein said actuator is electric.
5. The drywall tape or trim applicator and cutter system of claim 1 wherein said actuator is hydraulic.