Patent ID: 6857587

Claim:
A worm shaft attachment structure for a spinning reel having a reel unit, a handle, a rotor, and a spool for winding line back and forth in cooperation with a rotation of the handle and the rotor, a worm shaft being rotatably attached to the reel unit via first and second bearings that are disposed at two ends of the worm shaft, the worm shaft having intersecting helical grooves formed on an outer circumferential surface thereof, the worm shaft being for reciprocating the spool, said worm shaft attachment structure comprising: a mechanism attachment portion formed unitarily with the reel unit, said mechanism attachment portion having formed thereon a first attachment portion, to which a rear end of the worm shaft being mountable, said first attachment portion having an aperture portion and a bearing mounting portion that is depressed from said aperture portion in a first direction, which intersects with a rotation axis direction of the worm shaft, said bearing mounting portion being able to come into contact with an outer circumferential surface of the first bearing, to which the rear end of the worm shaft is attachable; and a locking member that is mounted detachably to said first attachment portion so as to close said aperture portion and to restrict shifting of the first bearing in the first direction by abutting against the outer circumferential surface of the first bearing.