Patent ID: 11904392
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. The chuck guard apparatus as in claim 5, wherein said ratcheting assembly includes:
a safety switch cam mounted to said guard shaft and configured to rotate therewith, said safety switch cam having a curved portion and a flat portion;
a safety switch in electrical communication with the lathe and having a switch housing and a roller plunger in communication with said safety switch cam that is movable between a compressed configuration compressed inwardly towards said switch housing when said roller plunger is in contact with said curved portion of said safety switch cam and a deployed configuration extending outwardly away from said switch housing when said roller plunger is in contact with said flat portion of said cam;
wherein said safety switch is electrically configured to prevent operation of said lathe when said roller plunger is in said compressed configuration and allow operation of said lathe when said roller plunger is in said deployed configuration.