Patent ID: 11953029
Assignee: KUDOS MECHANICAL CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 1:
2. The automatic oil return structure as claimed in claim 1, wherein the engaging unit of the engagement controlling unit has a dividing unit, a pull-back cylinder, and an engaging main body; the dividing unit divides the second controlling channel into the disengaging segment and the resetting segment; the pull-back cylinder is located between the pressure regulating blocking unit and the dividing unit; an end of the pull-back cylinder is securely mounted on the dividing unit; the engaging main body is moveably mounted in the pull-back cylinder; an end of the engaging main body protrudes out of the pull-back cylinder toward the pressure regulating blocking unit; the engaging elastic unit is located in the pull-back cylinder and is configured to push the engaging main body toward the pressure regulating blocking unit.