| 摘要 |
A multiple use wrench for use with a hex shaped head with equal hex head sides of a first predetermined length and a square shaped head with equal square head sides of a second predetermined length, where the distance between parallel sides of the hex shaped head is equal to the distance between parallel sides of the square shaped head, including a handle, a drive end attached at one end of the handle, the drive end having a portion suitable for driving the hex shaped and square shaped heads which include seven adjacent sides which are connected in order from a first side to a second side to a third side to a fourth side to a fifth side to a sixth side and to a seventh side, the first side having a length suitable for driving the square shaped head, the second side adjacent to the first side and having a length less than the length of a hex head side, the third side adjacent to the second side, forming an angle of substantially 120 DEG therewith, and having a length substantially equal to the length of a hex head side, the fourth side adjacent to the third side, forming an angle of substantially 120 DEG therewith, and having a length substantially equal to the length of a hex head side, the fifth side adjacent to the fourth side, forming an angle of substantially 120 DEG therewith, the fifth side being substantially parallel to the second side, and having a length greater than or equal to the length of a hex head side plus the length of the second side, the sixth side adjacent to the fifth side, forming an angle of substantially 120 DEG therewith, the sixth side being substantially parallel to the third side and the seventh side adjacent to the sixth side, the seventh side being substantially parallel to the first side, having a length equal to or greater than the length of the hex head sides of the first predetermined length, and being displaced from the first side by a distance substantially equal to the distance between parallel sides of the square shaped head of the second predetermined side.
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