Motor-Driven Dispensing Gun for and Method of Dispensing Fluid or Semi-Fluid Material

A method of using a motor-driven material dispensing apparatus, the method comprising:

• a. providing the motor-driven dispensing apparatus, the dispensing apparatus comprising:
• i. a housing comprising a main body portion and a handle portion;
• ii. a plunger/drive rack;
• iii. an electric motor mounted transverse to the plunger/drive rack;
• iv. a gear system mechanically coupled to the electric motor and configured to drive the plunger/drive rack, wherein the gear system includes a rack drive gear operatively engaged with the electric motor, the rack drive gear comprising a plurality of saw tooth type gear teeth, the gear teeth being configured to engage with corresponding teeth disposed on the plunger/drive rack;
• and
• wherein, the electric motor and gear system are housed in the main body portion;
• b. loading material to be dispensed;
• c. setting dispensing speed;
• d. activating the dispensing apparatus;
• and
• e. deactivating the dispensing apparatus.