摘要:
A tool having a housing assembly, which defines a handle, a motor assembly, a trigger assembly, a spindle and a transmission assembly. The motor assembly is received in the housing assembly and has an output shaft. The trigger assembly is coupled to the housing assembly and is configured for use in actuating the motor assembly. The transmission assembly transmits rotary power between the output shaft of the motor assembly and the spindle. The transmission assembly includes a planetary stage with an input sun gear, an output planet carrier and a compound planet gear having a first planet gear and a second planet gear coupled together for common rotation on the output planet carrier. The planetary stage is selectively operable in a first gear reduction and a second, relatively lower gear reduction in which the compound planet gear cooperates to produce at least one intermediate gear reduction within the planetary stage.
摘要:
A power tool with a motor (60), a housing (12), a transmission (82), an output spindle (18), a front bearing (210) and a rear bearing (190). The motor has an output shaft (64). The transmission is disposed in the housing and receives a rotary input from the output shaft. The transmission includes an input planetary stage (110), which has an input planet carrier (124), and an output planetary stage (112). The output spindle is driven by the transmission and has a first end (170), which extends at least partly through the input planetary stage, and a second end (172) opposite the first end. The front bearing is disposed between the output spindle and the housing to support the second end of the output spindle for rotation about the spindle axis. The rear bearing indirectly supports the first end of the output spindle in the housing for rotation about the spindle axis.
摘要:
A tool having a housing assembly, which defines a handle, a motor assembly, a trigger assembly, a spindle and a transmission assembly. The motor assembly is received in the housing assembly and has an output shaft. The trigger assembly is coupled to the housing assembly and is configured for use in actuating the motor assembly. The transmission assembly transmits rotary power between the output shaft of the motor assembly and the spindle. The transmission assembly includes a planetary stage with an input sun gear, an output planet carrier and a compound planet gear having a first planet gear and a second planet gear coupled together for common rotation on the output planet carrier. The planetary stage is selectively operable in a first gear reduction and a second, relatively lower gear reduction in which the compound planet gear cooperates to produce at least one intermediate gear reduction within the planetary stage.
摘要:
An angle grinder is provided including a trigger assembly for selectively actuating the angle grinder. A particle separation assembly is provided for the removal of any dust, particle, or artifacts that may have entered into the housing of the angle grinder. A brush biasing system is also provided to ensure proper and efficient operation of the motor of the angle grinder. An overload monitoring system is included to monitor the loading on the motor. A clutch mechanism is also included to prevent overloading on the motor of the angle grinder. A gear wheel lock mechanism is also provided to prevent the wheel spindle from rotating during installation or removal of a grinding wheel on the wheel spindle. An anti-locking flange system is also included to prevent the over-tightening of the flanges and the grinder wheel during the operation of the angle grinder. A gear case labyrinth feature is also provided.
摘要:
An angle grinder is provided including a trigger assembly for selectively actuating the angle grinder. A particle separation assembly is provided for the removal of any dust, particle, or artifacts that may have entered into the housing of the angle grinder. A brush biasing system is also provided to ensure proper and efficient operation of the motor of the angle grinder. An overload monitoring system is included to monitor the loading on the motor. A clutch mechanism is also included to prevent overloading on the motor of the angle grinder. A gear wheel lock mechanism is also provided to prevent the wheel spindle from rotating during installation or removal of a grinding wheel on the wheel spindle. An anti-locking flange system is also included to prevent the over-tightening of the flanges and the grinder wheel during the operation of the angle grinder. A gear case labyrinth feature is also provided.
摘要:
A clutch (18) for a power tool (10) includes an adjustment ring (310) configured to move axially relative to the housing (12) of the tool (10) while being rotated relative to the housing (12). A spring retainer (390) is disposed axially rearward of the adjustment ring (310). The spring retainer (390) is coupled for rotation together with the adjustment ring (310) and configured to remain substantially axially stationary relative to the housing (12) when rotated. A spring (308) is disposed between the adjustment ring (310) and the spring retainer (390). A clutch face (222) is coupled to a portion of the transmission (16). A locking member (304) is disposed between the spring retainer (390) and the clutch face (222). The locking member (304) is configured to transfer a holding force exerted by the spring (308) to the clutch face (222). Rotation and axial movement of the adjustment ring (310) alters the holding force exerted by the spring (308). When an amount of output torque exceeds the holding force, torque transmission to the output spindle (20) is effectively interrupted.
摘要:
A contact trip adjustment assembly for a power nailer comprising: a slider plate; an adjustment plate including a slot with a plurality of positions, said adjustment plate slidably mounted to said slider plate; and a contact trip member that engages said slot of said adjustment plate, wherein said contact trip member moves through said plurality of positions of said slot to adjust a depth of said contact trip member.