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US 5,174,704 AGranted
Bolt head and socket for the same
AssigneeAoyama Seisakusho Co., Ltd.
InventorsHiroshi Kazino, Junzo Ozawa
Life of this patent
Estimating the term…
Abstract
A hexagon head bolt having a head with an incline formed on each of the outer faces thereof so as to be inwardly inclined toward a respective corner of each face. Thus the head of the bolt can easily be engaged with the socket of an impact wrench or the like, without damage of the corners of the bolt. In another embodiment, a hexagon socket is provided having an incline formed on each of the outer faces thereof so as to be outwardly inclined toward a respective corner of each face.
Claims4
A hexagonal bolt head, comprising:
- a head having six outer side faces;
- wherein each of the side faces consists of two inclines;
- and
- wherein each of said inclines extends from a center of one of the six side faces to a corner where one side face joins another.
1 more element
A hexagonal socket, comprising:
- a socket having six inner side faces;
- wherein each of the side faces consists of two inclines;
- and
- wherein each of said inclines extends from a center of one of the six side faces to a corner where one side face joins another.
1 more element
Dependencies are inferred from the claim text.