Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate
2008-02-06
2009-02-03
Marcelo, Emmanuel M (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
C254S334000, C254S339000, C254S357000
Reexamination Certificate
active
07484713
ABSTRACT:
A dual drive winch system for efficiently providing a winch operable either manually or via an external motor. The dual drive winch system generally includes a rotatable spool adapted to have an elongated member wound thereon, a first drive unit mechanically connected to the spool and a second drive unit mechanically connected to the spool. The first drive unit rotates the spool via a manual force applied to the first drive unit and the second drive unit rotates the spool via a powered force applied to the second drive unit.
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Telpro, Inc., GILLIFT Model 70 (Brochure), additional information also available on website, <retrieved from http://www.telproinc.com/ProductDetail.asp?PID=12 Feb. 6, 2008>.
E-Z Spread N' Lift Industries, <retrieved from http://www.e-zspreadnlift.com/ Feb. 6, 2008>.
SPECIALTYTOOL.com, Kab Jak, <retrieved from http://www.specialtytools.com/contact—us.php?3dCsid=564b6ccf717ffcb58cdd871b74d5f58f Feb. 6, 2008>.
Marcelo Emmanuel M
Telpro Inc.
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