| 摘要 |
A can opener (100) has two pivotal handles (110 and 120), a traction whe el (200) and a cutter blade (300) movable by respective handles (110 and 120) f or cutting open a can, and a pivotable lever (400). There is a ratchet assembly (500) driven by the lever (400) upon reciprocation for operating the traction whee l (200) and cutter blade (300), which has a ratchet wheel (510) connected with the traction wheel (200) and a spring-loaded pawl (520) movable by the lever (400) for turning the ratchet wheel (510) in a driving direction (D) upon reciprocation of the lever (400). The pawl (520) has front and rear ends (521 and 522) taken in the driving direction (D), with the front end (521) in engagement with the lever (400) a nd the rear end (522) engageable with the ratchet wheel (510) for turning the same.</SDO AB>
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