| 摘要 |
The spreading pliers of the invention include a pair of handles, self-locking linkage which rotatably couples together the pair of handles, the self-locking linkage including a shank rotatably coupled to the ends of both handles at respective pivot points thereon, a first plier end connected to the shank and a second plier end connected to one of the handles, one of the first and second plier ends permitting the other for pass therebetween to an unspread position, the self-locking linkage rotating the first and second plier ends away from one another as the handles are squeezed together to a spread position.
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