摘要:
An accessory tool for an oscillating power tool includes a mounting portion and a blade portion that extends from the mounting portion. The blade portion includes a first lateral edge portion, a second lateral edge portion, and a leading edge portion. A cutting edge is defined in the second lateral edge portion that includes a rearward facing portion that extends generally laterally from a distal end portion of the second lateral edge portion toward the first lateral edge portion and a forward facing cutting edge portion that extends from said second lateral edge portion toward said first lateral edge portion. The rearward facing cutting edge portion is at least partially interposed between the leading edge portion and the mounting portion, and the forward facing cutting edge portion is at least partially interposed between the rearward facing cutting edge portion and the mounting portion.
摘要:
A dust extraction system for a power tool having a output shaft, a collet configured for engaging a tool bit and a collet nut engageable to the output shaft, comprises a base configured for mounting on the power tool, the base defining a cavity having an opening for passage of the output shaft therethrough and a discharge chute in communication with the cavity. The system further includes an impeller sized and configured to be rotatably received within the cavity, including a hub and a plurality of vanes emanating from the hub configured to draw dust from the workpiece into the cavity and to direct the dust through the discharge chute. A collet nut is integrated into the hub of the impeller so that the impeller can be directly mounted to the output shaft of the power tool while clamping the collet onto the tool bit.
摘要:
An accessory tool for an oscillating power tool includes a mounting portion and a blade portion that extends from the mounting portion. The blade portion includes a first lateral edge portion, a second lateral edge portion, and a leading edge portion. A cutting edge is defined in the second lateral edge portion that includes a rearward facing portion that extends generally laterally from a distal end portion of the second lateral edge portion toward the first lateral edge portion and a forward facing cutting edge portion that extends from said second lateral edge portion toward said first lateral edge portion. The rearward facing cutting edge portion is at least partially interposed between the leading edge portion and the mounting portion, and the forward facing cutting edge portion is at least partially interposed between the rearward facing cutting edge portion and the mounting portion.
摘要:
An accessory for a power tool includes a mounting portion configured to mate with an oscillating drive member of a power tool and a substantially planar guide portion extending forwardly of the mounting portion to a leading edge and defining a guide plane. A cantilever arm is located between the mounting portion and the leading edge. The cantilever arm extends downwardly from the guide plane and forwardly toward the leading edge. A plurality of teeth extends from a forward portion of the cantilever arm.
摘要:
A tool holding system for a rotary power tool is configured to clamp around a working tool when the working tool is inserted in the tool holding system. The tool holding system includes a sleeve having a frustroconical inner surface portion, a collet having frustoconical outer surface portion complementary to the inner surface portion, a spring mount operably connected to a motor for rotation by the motor, and a spring. The spring includes a first end portion operably connected to the collet to bias the collet toward a first position whereat the outer surface portion engages the inner surface portion, and a second end portion rotationally fixed with respect to the spring mount.
摘要:
An accessory tool (24) is configured to be coupled to a power tool (20) having a tool drive structure (16). The accessory tool (24) includes a spring component (44) and has a first arm (38) and a second arm (40) attached to the spring component (44). The first arm (38) includes (i) a first proximal end portion (48) defining a first accessory drive structure that is configured to mate with a first portion of the tool drive structure (16), and (ii) a first distal end portion (52) having a first holding structure (56). The second arm (40) is spaced apart from the first arm (38) and includes (i) a second proximal end portion (50) defining a second accessory drive structure that is configured to mate with a second portion of the tool drive structure (16), and (ii) a second distal (54) end portion having a second holding structure (58).
摘要:
An automatic mechanical spool changer for 3-D printers includes a filament guide and a pre-loading device. The input to the filament guide receives at least a primary filament from a primary spool and a secondary filament from a secondary spool. The output from the filament guide connects to an extruder, and the output from the filament guide sequentially and automatically provides the primary filament and then the secondary filament to the extruder. The pre-loading device exerts a pre-loaded force on the secondary filament during the extrusion of the primary filament. After the primary filament passes a predetermined location within the filament guide, the force exerted on the secondary filament threads the secondary filament through the output of the filament guide and into the extruder.