Patent ID: 9548171
Date: 2017-01-17
CPC Classifications: H01H,H02B

Claim:
1. A switchboard comprising: a switchboard case with a built-in circuit breaker; a door mounted on the switchboard case in a hinge structure to be opened or closed, and configured to include a door hook including an inclined surface at a front end; an external manipulation handle provided at an outer side of the switchboard case, and configured to cause an on or off operation of the circuit breaker; and an operation link part configured to mechanically couple the circuit breaker to the external manipulation handle and switch the circuit breaker on or off in response to manipulation by the external manipulation handle; wherein the operating link part comprises: a handle mounting part provided at the switchboard case and coupled to one end of the external manipulation handle via a hinge; and a latch coupled to the handle mounting part, the latch comprising a plate shaped catching member; wherein the catching member is disposed in the switchboard case to be contactable with the inclined surface of the door hook and disposed in parallel with the inclined surface of the door hook, and wherein the catching member is rotated by the inclined surface of the door hook according to a closing operation of the door, and a locked state of the door is maintained by securing the door hook against a side corner of the catching member.