Patent ID: 11879757
Assignee: TAMAGAWA SEIKI CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 3:
4. The encoder installing method using the spigot unit according to claim 3, comprising steps of:
installing a spigot inserting plate (70) on an end face (5A) of the motor (5), or forming an outer periphery (51B), a linear portion (51D) and a protruded portion (51E) constituting a second spigot fitting portion (51A) having the same shape as the spigot inserting plate (70) on the end face (5A) of the motor (5);
engaging an inner periphery (51C) of the second spigot fitting portion (51A) of the encoder main unit (12) with the outer periphery (51B) of the spigot inserting plate (70) or the outer periphery (51B) of the spigot fitting portion (51A); and
fixing the encoder main unit (12) at a predetermined angle position on the end face (5A) by rotating the encoder main unit (12) by a predetermined angle.