IMPACT TOOL

An impact tool has a hammer (5) to be driven by a motor for revolution and an anvil (6) impacted with the revolution by the hammer (5) and transmitting an impact force to a tip tool. Between the motor and the hammer (5), first and second ring gears (41A, 42A) are provided, and first and second plane...

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Bibliographische Detailangaben
Hauptverfasser:	OOMORI KATSUHIRO, TAKAHASHI SHIGERU
Format:	Patent
Sprache:	eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	An impact tool has a hammer (5) to be driven by a motor for revolution and an anvil (6) impacted with the revolution by the hammer (5) and transmitting an impact force to a tip tool. Between the motor and the hammer (5), first and second ring gears (41A, 42A) are provided, and first and second planetary gear mechanisms (41) and (42) are arranged to transmit the rotary force of the motor to the hammer (5). The motor, the hammer (5), the anvil (6), and the first and second ring gears (41A, 42A) are accommodated in a housing (2). The second ring gear (42A) is movable between a holding position where the second ring gear (42A) is held as being engaged with the housing (2) and a non-holding position where the second ring gear (42A) is not engaged with the housing (2) and is revolvable with respect to the housing (2).