公开(公告)号：US20240055203A1

公开(公告)日：2024-02-15

申请号：US18229183

申请日：2023-08-02

Applicant: Keyence Corporation

Inventor： Kenji KOJIMA ,  Yusuke SUGIURA

IPC: H01H27/00

CPC classification number: H01H27/007

Abstract: The close contact between a surface to be attracted and an attracting surface when an openable and closable door is closed is established at a high level to form a state in which the surface to be attracted and the attracting surface overlap each other without a gap. An electromagnetic lock type safety switch includes an actuator including; a member to be magnetized on which a surface to be attracted corresponding to an attracting surface, formed on an electromagnet of a switch body, is formed; an actuator attachment portion for attaching the actuator to a movable portion (openable and closable door); and a movement mechanism supporting the member to be magnetized to be movable relative to the actuator attachment portion.

公开(公告)号：US20240055208A1

公开(公告)日：2024-02-15

申请号：US18229185

申请日：2023-08-02

Applicant: Keyence Corporation

Inventor： Kenji KOJIMA ,  Satoru TOMOSHI ,  Hiroshi KASHIMA ,  Choryon OH ,  Manabu TSUBOYAMA

IPC: H01H50/44 ,  H01H47/22 ,  H01H50/36 ,  H01H50/02 ,  H01H50/08

CPC classification number: H01H50/44 ,  H01H47/22 ,  H01H50/36 ,  H01H50/02 ,  H01H50/08

Abstract: A worker is prevented from being hindered. A safety switch includes a switch body including an electromagnet and an actuator attracted to the electromagnet. The switch body includes a drive control unit and a safety control unit which control the safety switch, and the drive control unit and the safety control unit are surrounded by a housing. The housing is arranged on a back surface side of the electromagnet of the switch body, and the housing forms an accommodating portion that accommodates the drive control unit and the safety control unit.

公开(公告)号：US20240053711A1

公开(公告)日：2024-02-15

申请号：US18229187

申请日：2023-08-02

Applicant: Keyence Corporation

Inventor： Kenji KOJIMA

IPC: G05B9/02

CPC classification number: G05B9/02

Abstract: Wiring work without requiring a safety PLC is simplified even when a plurality of safety switches having a lock function are arranged. The plurality of safety switches are cascade-connected to a wiring unit. The wiring unit supplies power received via the power input unit (a VCC terminal or a GND terminal) to the plurality of safety switches. The wiring unit performs through-output of an OSSD input received from the most downstream safety switch to the outside of the wiring unit. The wiring unit outputs upstream-facing communication data COM (a lock input or the like) based on a lock instruction (LOCK). The wiring unit receives downstream-facing communication data COM (such as bundle data of AUX outputs) and outputs the communication data COM as individual AUX outputs.