Patent ID: 8911143
Filing Date: 2014-12-16
Classification: G04B

Abstract:
1. A device comprising: a case having a through hole; a cylindrical member provided in the through hole of the case; an operation member having a shaft section inserted into the cylindrical member and an operation section provided at an outer end of the operation member; a cushioning member attached to the operation section of the operation member to cover the operation section; and an exterior member fixed to the operation section to cover the cushioning member and from which a plurality of portions of the cushioning member project outwardly, wherein the exterior member has a plurality of slit grooves provided from an outer peripheral surface to an outer end surface along a circumferential direction at predetermined intervals, and wherein the plurality of portions of the cushioning member comprise a plurality of outer peripheral elastic projections which are respectively inserted into the plurality of slit grooves of the exterior member to project outwardly from the outer peripheral surface and from the outer end surface of the exterior member.