Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 12, 2019
Patent Application Number
15966757
Date Filed
April 30, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lifter device, wherein a pawl operating member is configured to be rotatable with respect to a rotation shaft so as to rotate in accordance with an operation of an operation handle and includes a first projection protrudingly formed on its outer peripheral side for rotational alignment, wherein a support member includes a second projection which is protrudingly formed so as to face the first projection and which serves as a reference position of a pawl operating member in a rotational direction, and wherein, in a state where the operation handle is not operated, a second spring is configured to bias the first projection so as to overlap with the second projection in the rotational direction of the pawl operating member.
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