Supports – Brackets
Reexamination Certificate
1999-10-12
2001-08-07
Ramirez, Ramon O. (Department: 3632)
Supports
Brackets
C228S175000, C248S300000, C403S270000
Reexamination Certificate
active
06270044
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a component holding weld bracket, typically to such a bracket that is adapted for use for attachment of various components to be equipped on the car body.
In order to attach various components to be equipped on the car body, it is practically performed to weld a bracket to the car body and then to attach desired components on this bracket. One of techniques for welding a bracket to the car body is disclosed in Japanese Patent Publication No. 08-019865. This publication discloses that a bracket is made of a L-shaped flat plate-like member, one portion of the L-shaped bracket is held in the tip of the gun of a welding machine and the other portion of the bracket perpendicular to the above mentioned one portion is welded to the car body. The upright portion standing from the welded portion is used to attach the components. This publication describes that, as the gun of welding machine holding the bracket to be welded can be positioned at any desired position on the car body for welding, it is unnecessary to previously position the bracket by using any fastener.
In the prior welding art as above described, there was a problem in that the heights of the welding portions of the brackets after welded were uneven, and accordingly, the heights of the attached components were uneven.
Therefore, it is an object of the present invention to provide a component holding weld bracket that minimizes the unevenness of the height of the welded bracket.
SUMMARY OF THE INVENTION
To accomplish the above object, according to the present invention, a plate-like component holding weld bracket having a certain thickness is provided. The bracket includes an end surface along one of the sides thereof as a welding portion to be welded to a base member, the end surface being adapted to contact the surface of the base member; the bracket also includes a non-welding portion along the same side of the bracket as the welding portion and adjacent to the welding portion; an arc-obstructing groove is formed on the boundary between the welding portion and the non-welding portion to prevent the discharge arc from transferring from the welding portion to the non-welding portion; and the end surface of the non-welding portion is formed to have such a length that it is spaced from the surface of the base member when the end surface of the welding portion is in contact with the base member.
The non-welding portion to which a discharge arc can't be transferred is provided adjacent to the welding portion, and the non-welding portion is formed at such a position that it is spaced from the base member by a predetermined height from the welding portion. When the molten welding portion is pushed against the base member, the end surfaces of the non-welding portion comes into contact with the base member to restrain further movement of the bracket to the base member, and thereby to define the height of the welded bracket. Accordingly, by forming such a bracket that includes the stepped non-welding portion having a predetermined height, the height of the welded bracket can be easily controlled, so the unevenness of the height of the bracket after welded can be minimized.
In the bracket of the present invention, a portion including both the welding portion and one or more non-welding portions may be formed in a square plate-like member, and the non-welding portions may be disposed at the opposite sides of the single welding portion so that there exists a U shaped arc-obstructing groove on each of the boundaries between the welding portion and the non-welding portions. Further, a single welding portion may be formed at the center of the bracket, and the non-welding portions may be disposed at the opposite sides of the welding portion to have the arc-obstructing grooves between the welding portion and the non-welding portions with each non-welding portion being made of a plate-like member bent perpendicular to a plane including the welding portion.
In accordance with the present invention, the side of the welding portion to be welded to a base member is the end surface of the bracket and the non-welding portion to which a discharge arc can't be transferred is disposed adjacent to the welding portion, and the non-welding portion is positioned so that it is more apart from the base member than the welding portion by a predetermined height. If the molten welding portion is pushed against the base member, the end surfaces of the non-welding portion comes into contact with the base member to restrain further movement of the bracket to the base member, and thereby to define the height of the welded bracket. Thus, by selecting the height of the non-welding portion, the height of the bracket after welded can be easily controlled. Accordingly, the unevenness of the height of the bracket after welded can be minimized.
REFERENCES:
patent: 4168795 (1979-09-01), Bennett
patent: 4188149 (1980-02-01), Gray
patent: 5806813 (1998-09-01), Binelli
patent: 08019865 (1996-01-01), None
Emhart Inc.
Murphy Edward D.
Ramirez Ramon O.
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