GEAR ASSEMBLY INCLUDING PROTRUSION AND GROOVES TO IMPROVE ASSEMBLING OF GEAR ASSEMBLY

摘要

PURPOSE: A gear assembly is provided to improve the efficiency in assembling gears by excluding manual marks and forming protrusions and grooves for the assembling of gears. CONSTITUTION: A gear assembly comprises a first gear unit and a second gear unit. A gear tooth part is formed to the first gear unit. At least one protrusion is formed to the upper end part of gear teeth. A gear tooth part engaging with the gear tooth part of the first gear unit is formed to a side of a gear of the second gear unit. Grooves in which the protrusions of the first gear unit are inserted are formed to the other side of the second gear unit.