| 摘要 |
<p>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 both heads is equal, including a handle (12) a drive end (11) attached at one end of the handle, the drive end having a portion suitable for driving both heads which include seven adjacent sides which are connected in order from a first side to a seventh side, the first side (21) having a length suitable for driving the square shaped head, the second side (22) adjacent to the first side (21) and having a length less than the length of a hex head side, the third and fourth sides (23, 24) adjacent to the second and third sides (22, 23), respectively forming an angle of substantially 120o therewith, and having a length substantially equal to the length of a hex head side, the fifth side (25) forming an angle of substantially 120o with the fourth side (24) and being substantially parallel to the second side (22), and having a length greater than or equal to the length of a hex head side plus the length of the second side (22), the sixth side (26) forming an angle of substantially 120o with the fifth side (25) and being substantially parallel to the third (23), and the seventh side (27) being substantially parallel to the first side (21), having a length equal to or greater than the length of the hex head sides and being displaced from the first side (21) by a distance substantially equal to the distance between parallel sides of the square shaped head. </p> |
