Compressor with extended ratchet bar feature
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United States of America Patent
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Sep 18, 2012
Issued Date -
N/A
app pub date -
Dec 14, 2007
filing date -
Dec 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a surgical instrument includes a first and second lever arms coupled by a first pivot. A ratchet bar is coupled to the first lever arm by a second pivot. The ratchet bar has a toothed portion extending from an interior face of the first lever arm and a paddle portion extending from an exterior face of the first lever arm. A catch is disposed at a proximate end of the second lever arm and arranged to engage teeth of the toothed portion of the ratchet bar. Engagement with the teeth couples the proximate ends of the first and second lever arms. The ratchet bar is further arranged to rotate about the second pivot in response to downward pressure upon the paddle. Depression of the paddle causes the teeth of disengage the catch, decoupling the first and second lever arms.
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