F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 3/74 (2006.01) B25B 21/00 (2006.01) B25B 23/14 (2006.01) B25F 5/00 (2006.01) B25F 5/02 (2006.01) F16H 3/66 (2006.01) F16H 35/10 (2006.01)
Patent
CA 2435212
A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated in an active mode and na inactive mode. The movable reduction elements are coupled to a switching mechanism that switches the reduction elements in a predetermined manner to provide at least three- gear reduction or speed ratios.
L'invention concerne un ensemble transmission à vitesses multiples (16) pour outil électrique rotatif (10), qui comporte une pluralité d'étages de transmission, dont au moins deux font intervenir un élément de démultiplication mobile (202) permettant de faire passer les étages de transmission au mode actif et au mode inactif. Lesdits éléments (202) sont couplés à un mécanisme de commutation (60), qui les commute de façon prédéterminée, afin d'assurer un rapport de démultiplication ou de transmission correspondant au moins à trois vitesses.
Bowers Michael C.
Hagan Todd A.
Milbourne Rodney
Potter Christine
Black & Decker Inc.
Blake Cassels & Graydon Llp
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