Elongated-member-driving apparatus – With control means responsive to sensed condition – Responsive to work feed means
Reexamination Certificate
2006-05-23
2006-05-23
Gerrity, Stephen F. (Department: 3721)
Elongated-member-driving apparatus
With control means responsive to sensed condition
Responsive to work feed means
C227S136000
Reexamination Certificate
active
07048165
ABSTRACT:
A staple sheet-detecting mechanism of an electric stapler having improved detection accuracy and miniaturization has a passage for feeding a staple sheet composed of straight forward staples arranged in parallel, and a forming plate and driver arranged above an anvil of the passage. A staple is inserted into papers located under the staple by moving the forming plate and the driver to a side of the staple. Above the anvil, where the forming plate waits, is a sensor (rocking member) of which one end contacts a tip edge of the staple sheet in a feeding direction, while the other end turns on or off an interrupter (detecting element). A rocking fulcrum of the sensor is provided biased to a side of the staple sheet in the passage. The forming plate and the driver are provided with recessed portions and, respectively, for allowing the sensor to rock.
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Chapman and Cutler LLP
Durand Paul
Gerrity Stephen F.
MAX Co., Ltd.
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