MULTI-STAGE TRANSMISSION FOR A POWER TOOL

MULTI-STAGE TRANSMISSION FOR A POWER TOOL

A multi-stage planetary transmission includes a transmission housing and a first planetary stage at least partially positioned in a transmission housing. The first planetary stage includes a first stage ring gear, a first stage carrier, and a plurality of first stage planet gears supported by the fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ELGER WILLIAM A
Format: Patent
Sprache:eng
Schlagworte:
COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR
DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TRANSPORTING
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Beschreibung
Zusammenfassung:A multi-stage planetary transmission includes a transmission housing and a first planetary stage at least partially positioned in a transmission housing. The first planetary stage includes a first stage ring gear, a first stage carrier, and a plurality of first stage planet gears supported by the first stage carrier. A motor output pinion is engaged with each of the first stage plant gears. The transmission further includes a second planetary stage positioned downstream of the first planetary stage to receive torque from the first planetary stage and a shift mechanism operable to move the first stage ring gear between a first position, in which the first stage ring gear is rotatably fixed relative to the transmission housing for enabling the first planetary stage, and a second position, in which the first stage ring gear is coupled for co-rotation with the first stage carrier for disabling the first planetary stage.