Patent ID: 8360676

Claim:
A shaft support structure for a vehicle, comprising: a pair of left and right shaft support portions provided on a body frame, a support bolt extending through an insertion hole formed in each of the shaft support portions, at least one of the insertion holes being an internally threaded hole, a collar formed with an external thread on an external circumference thereof, said collar being screwed in an internally threaded portion of one of the insertion holes so as to enable insertion of the support bolt therethrough, the collar is tightened using a rotation-purpose engaging portion formed at one end of the collar, a gap between each of the shaft support portions and a supported member is adjusted based on an amount of tightening, and then the supported member is supported by the body frame, and a washer provided on a seating surface of a head section of the support bolt in one of the shaft support portions provided with the collar, or on a seating surface of a nut screwed to the support bolt, wherein the washer is formed with a first engaging portion engaging the rotation-purpose engaging portion of the collar, and a second engaging portion for engaging a given rotary tool, wherein the second engaging portion is cut into an outer circumference of the washer which forms a groove opening in an axial direction toward the supported member.