Patent ID: 11945041
Assignee: DOBEN LIMITED
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 13:
14. A cap extractor for a welding gun comprising:
a housing;
spaced apart disks arranged in the housing;
first and second arms arranged between and mounted to the disks, the first and second arms are pivotably secured with respect to one another by a spacer pin and carried by the disks for rotation about a circular path, each of the first and second arms having teeth configured to engage a welding cap;
a spring arranged between each of the disks and the housing, wherein each spring received in a recess of one of the disks, wherein the springs are configured to enable the discs to float laterally and vertically with respect to the housing enabling the first and second arms to float laterally and vertically relative to the housing, thereby ensuring alignment with the teeth and a weld cap; and
an actuator is pivotally attached to the housing, the actuator operatively connected to the first arm to rotate the first and second arms along with the disks, the actuator configured to articulate relative to the housing during rotation of the first arm in the housing.