Sheet-material associating – Associating or disassociating – Sheet associating
Reexamination Certificate
2011-03-01
2011-03-01
Mackey, Patrick (Department: 3651)
Sheet-material associating
Associating or disassociating
Sheet associating
C198S834000, C198S835000
Reexamination Certificate
active
07896332
ABSTRACT:
A belt driving mechanism related to the present invention includes: a toothed drive pulley configure to rotate actively; a toothed driven pulley configured to rotate passively; a toothed belt configured to engage with the toothed drive pulley and the toothed driven pulley by tooth on an inner circumference thereof; and an elastic member configured to move the toothed belt in a returning direction by an elastic force accumulated while the toothed drive pulley moves the toothed belt in a going direction, wherein at least one of the toothed belt, the toothed drive pulley, and the toothed driven pulley is formed such that at least one of tooth bottoms is shallower than at least other one of the tooth bottoms.
REFERENCES:
patent: 7681717 (2010-03-01), DeGroot
patent: 2007/0137986 (2007-06-01), Lindvall
patent: 2009/0008224 (2009-01-01), DeGroot
patent: 2009/0160115 (2009-06-01), Iguchi et al.
patent: 2006-96453 (2006-04-01), None
patent: 2007-076893 (2007-03-01), None
patent: 2007-84255 (2007-04-01), None
patent: 2007-84256 (2007-04-01), None
patent: 2007-84257 (2007-04-01), None
Kabushiki Kaisha Toshiba
Mackey Patrick
Patterson & Sheridan LLP
Toshiba Tec Kabushiki Kaisha
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