Self tapping bolt
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsSatoshi Takahashi, Hideaki Miyashita, Manabu Naoi, Takemi Matsumoto
Life of this patent
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Abstract
A self tapping bolt is provided, which fastens a mounting member and a receiving member while the bolt cuts internal threads on an inner surface of a tap drill hole prepared in the receiving member. The bolt includes at least one groove formed near an end of a threaded portion of the bolt and a blade for cutting the internal threads. The bolt has the features that the blade is formed only on a rear end surface of the groove relative to a rotational direction of the bolt which is screwed into the tap drill hole.
Claims7
A self tapping bolt which fastens a mounting member and a receiving member while said bolt cuts internal threads on an inner surface of a tap drill hole prepared in said receiving member, comprising:
- at least one groove formed near an end of a threaded portion of said bolt;
- and
- a blade for cutting said internal threads,
- wherein said blade is formed only on a rear end surface of said groove relative to a rotational direction of said bolt which is screwed into said tap drill hole.
Dependencies are inferred from the claim text.