| 摘要 |
A reciprocating hand saw (10), having a motor housing (16) and a gearbox (28) that receive a battery-operated direct-current motor (18) with a motor shaft having a shaft end (22) and a gear (28), respectively, which gear-as known per se in reciprocating saws-is connected to the shaft end in a way driven to rotate and whose gear input pinion (26) converts the rotation of the motor shaft end (22) into an up-and-down motion of a push rod (34) that carries a sawblade (38), can be produced economically and is especially sturdy because the gear (28) and its gearbox (14) originate in a reciprocating saw that can be operated by alternating current, and because between the shaft end (22) and the gear input pinion (26), a multi-stage coupling (24), disposed in a manner fixed against relative rotation for transmitting torque, comprises parts that can be easily separated from one another.
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