US 11,937,592 B2
Waterproof structure and spinning reel
Koji Ochiai, Sakai (JP)
Assigned to Shimano Inc., Sakai (JP)
Filed by Shimano Inc., Sakai (JP)
Filed on Jul. 25, 2022, as Appl. No. 17/873,075.
Claims priority of application No. 2021-159003 (JP), filed on Sep. 29, 2021.
Prior Publication US 2023/0101950 A1, Mar. 30, 2023
Int. Cl. A01K 89/01 (2006.01); A01K 89/015 (2006.01)
CPC A01K 89/01928 (2015.05) [A01K 89/01929 (2015.05)] 10 Claims
OG exemplary drawing
 
1. A waterproof structure for a spinning reel including a reel main body, a cylindrical member disposed on an outer periphery of a spool shaft and a rotor disposed at a front of the cylindrical member in the reel main body, the waterproof structure comprising:
a seal member configured to waterproof an entire circumference in an area between the cylindrical member and the rotor, the seal member including a main lip that is in liquid-tight contact at a contact portion in an axial direction of the spool shaft; and
an annular wall portion disposed on one of the rotor or the cylindrical member, the annular wall portion configured to cover the contact portion along an entire circumference of an outer peripheral side of the contact portion;
wherein the seal member further includes an auxiliary lip extending in the axial direction of the spool shaft with a gap axially provided between the cylindrical member and the rotor, the auxiliary lip disposed radially between the contact portion and the annular wall portion.