| 摘要 |
PCT No. PCT/NZ94/00086 Sec. 371 Date Apr. 24, 1996 Sec. 102(e) Date Apr. 24, 1996 PCT Filed Aug. 25, 1994 PCT Pub. No. WO95/05923 PCT Pub. Date Mar. 2, 1995A hand tool comprising a housing 1 with a ratchet wheel 2 in one end of the housing 1 and a lever assembly mounted on the housing adjacent the other end of the housing. The lever assembly comprises two linkages 23,24 pivotably attached to a lever 21 and to a mounting bracket 25. A rod 5 is disposed axially in the housing 1. A link chain 6 and ratchet tooth 7 are connected to the other end of the rod 5 about the ratchet wheel 2. The lever 21 is attached to the end of the rod 5 to form a ball socket. When the lever 21 is squeezed, the end portion 22 of the lever 21 pulls the rod 5 substantially straight outwards from the housing 1 which pulls the link chain 6 and ratchet tooth 7 on the ratchet wheel 2 to rotate the ratchet wheel 2. |
