Patent ID: 6430927
Filing Date: 2002-08-13
Classification: B60T

Abstract:
A master cylinder comprising:a master cylinder body; a reservoir connected to the master cylinder body; a leg portion formed in the reservoir so as to protrude toward the master cylinder body; a mount portion formed in the master cylinder body so as to protrude toward the reservoir, the mount portion including an opening into which the leg portion is inserted; and a seal member adapted to be interposed between the leg portion and the mount portion when the leg portion is inserted into the opening of the mount portion so as to seal a gap between the master cylinder body and the reservoir, the leg portion extending beyond the seal member and including a flange portion formed along an outer circumference of a distal end thereof, the flange portion protruding outward and including an engaging surface facing the seal member, the seal member including an engaging surface formed at an end portion thereof, the engaging surface of the seal member facing the flange portion, the master cylinder further comprising a retaining member adapted to be fitted on an outer circumferential surface of the leg portion, the retaining member being provided between the engaging surface of the flange portion and the engaging surface of the seal member so as to prevent separation of the reservoir from the master cylinder body.