Washer-retaining bracket configuration

1. A bracket configuration for retaining a washer within a washer case which has an opening for inserting a bracket therethrough so that the washer case is mounted to the bracket from above the washer, comprising:

a hole configured to insert a bolt therethrough, wherein the washer is disposed on the hole, the hole being formed through an inclined wall of the bracket and the washer having contact with a surface of the inclined wall, and

a rib formed on the bracket along an edge of the opening so as to prevent or protect the washer from deviation or disconnection via a clearance gap created between the opening and the bracket,

wherein the washer case is mounted to the bracket in a direction perpendicular to a direction in which the hole opens,

wherein the bracket has a vertical wall and an inclined wall which is continuous with the vertical wall, wherein the washer is disposed on the inclined wall, wherein the rib extends from a site or area where the vertical wall intersects with the inclined wall such that the rib has an outer surface which lies the same plane with an extended surface of the vertical wall, and wherein the rib has both sides which are made higher than a center portion of the rib.

2. The bracket configuration according to claim 1 , wherein the bracket has a circular depression configured to receive the washer therein and formed around the hole, and wherein the rib has an arc-like inner surface formed along an inner periphery of the depression.

3. The bracket configuration according to claim 1 , wherein the bracket has a guide rail disposed in its lateral portion and engageable with an slidable engaging portion of the washer case, wherein the guide rail has a locking projection, which is formed on an outer surface of the guide rail and is engageable with an engaging hole of the slidable engaging portion, and wherein the slidable engaging portion has a flexible thin wall formed from the opening to a near side of the engaging hole.

4. The bracket configuration according to claim 2 , wherein the bracket has an vertical wall and an inclined wall which is continuous with the vertical wall, wherein the washer is disposed on the vertical wall, wherein the rib extends from a site or area where the vertical wall intersects with the inclined wall such that the rib has an outer surface which lies the same plane with an extended surface of the vertical wall, and wherein the rib has both sides which are made higher than a center portion of the rib.

5. The bracket configuration according to claim 2 , wherein the bracket has a guide rail disposed in its lateral portion and engageable with an slidable engaging portion of the washer case, wherein the guide rail has a locking projection, which is formed on an outer surface of the guide rail and is engageable with an engaging hole of the slidable engaging portion, and wherein the slidable engaging portion has a flexible thin wall formed from the opening to a near side of the engaging hole.

6. The bracket configuration according to claim 4 , wherein the bracket has a guide rail disposed in its lateral portion and engageable with an slidable engaging portion of the washer case, wherein the guide rail has a locking projection, which is formed on an outer surface of the guide rail and is engageable with an engaging hole of the slidable engaging portion, and wherein the slidable engaging portion has a flexible thin wall formed from the opening to a near side of the engaging hole.

7. The bracket configuration according to claim 1 , wherein the washer is disposed on the hole and is movable in radial directions.