Patent ID: 8480020

Claim:
A traverse camshaft for a fishing reel configured to engage with an engaging member used to cause a fishing line guide section and a spool of the fishing reel to undergo a relative reciprocal movement, the traverse camshaft comprising: a shaft body arranged to be rotatable in coordination with rotation of a handle of the fishing reel in at least a line reel-in direction; and a endless spiral cam groove formed in an external circumferential surface of the shaft body, and configured to engage with the engaging member, an engaging point between the endless spiral cam groove being shifted in a direction from a upstream to a downstream when a fishing line is being wound, the endless spiral cam groove forming a first intersecting portion and a second intersecting portion being a next intersection to the first intersecting portion, the endless spiral cam groove including a first groove section being arranged next to the first intersecting portion on a side of the downstream and a second groove section being arranged next to the first intersecting portion on a side of the upstream, the endless spiral cam groove including a third groove section being arranged next to the second intersecting portion on a side of the downstream and a fourth groove section being arranged next to the second intersecting portion on a side of the upstream and between the first and second intersecting portions, the first groove section being narrower than the second groove section, the third groove section being narrower than the fourth groove section.