US Patent No. 10,971,978

ADAPTER FOR MOTOR REPLACEMENT AND MOTOR REPLACEMENT METHOD


Patent No. 10,971,978
Issue Date April 06, 2021
Title Adapter For Motor Replacement And Motor Replacement Method
Inventorship Satoshi Adachi, Yamanashi (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 10,971,978

1. An adapter for motor replacement, the adapter being used for a drive mechanism including a motor, a housing that fixes the motor, and a pulley that is fixed to the motor with a threaded fastener and transmits a rotary drive force via a belt, and the adapter comprising:a pulley fixing portion; and
a housing fixing portion offset from the pulley fixing portion and coupled to the pulley fixing portion,
wherein the adapter is configured to be placed so as to be bridged between the housing and the pulley and to avoid a space for removing the motor from the housing,
the housing fixing portion is fixed to the housing,
the pulley fixing portion is fixed to the pulley, and the pulley fixing portion includes an opening disposed such that, in a state where the pulley fixing portion is fixed to the pulley, and the housing fixing portion is fixed to the housing, the opening is superimposed over the threaded fastener and the threaded fastener is withdrawable through the opening;
the adapter further comprising a housing cover as the pulley fixing portion and a sleeve as the housing fixing portion, the housing cover comprising the opening and the sleeve comprising a first abutting surface and a second abutting surface, wherein
the housing cover is configured to be placed so as to be fixed to the housing so as to avoid a space for removing the motor from the housing,
the first abutting surface is inserted into a third through hole provided in the housing cover to abut on a surface of the pulley, and the second abutting surface abuts on a surface of the housing cover, so that the sleeve is fixed to the housing cover and the pulley, and
in a state where the housing cover is fixed to the housing, and the sleeve is fixed to the housing cover and the pulley, the opening is superimposed over the threaded fastener and the threaded fastener is withdrawable through the opening.