Makita Corporation

Hidenori Ito

Michio Okumura

Masaki Kondo

Naohiro Hayakawa

Yuji Takahashi

Shinji Hirabayashi

Takao Kuroyanagi

Koji Haneda

Takefumi Furuta

Mamoru Kawasaki

Yuriko Nagaya

Reciprocating cutting tools () may include a drive source () for reciprocally driving a blade (B). The drive source may also drive a blower () in order to generate an air stream. An air channel () may guide the air stream to a position adjacent to the blade or a workpiece (W) that will be cut by the blade. Further, a chip collector nozzle () may draw or suction cutting chips away from the workpiece that has been cut by the blade.

Reciprocating cutting tools having devices for limiting scattering of cutting chips

Portable florescent lamp

An electric power blower (,) includes a handle (,) mounting therein a disk-shaped speed change dial (,) which is capable of rotation on a shaft (,). The speed change dial (,) is disposed between a speed change switch (,) and a trigger switch (,) and has a cut-out (,) formed therein through which the trigger switch (,) can pass without interference, depending on the rotational position of the dial (,). The speed change dial (,) includes a stopper (,) at an free end which defines the cut-out (,). A first regulating surface (,) and a second regulating surface (,) are provided on the stopper (,), forming an angled corner therebetween. The peripheral surface of the speed change dial (,) is exposed to the outside of the blower (,) through two windows (,) in both sides of the handle (,) adjacent to the trigger switch (,) so as to allow manual rotation. The amount by which the trigger switch (,) is pulled into the handle is determined by the rotational position of the speed change dial (,).

Switch mechanism for use in an electric power tool

A pair of stoppers (47) capable of moving back and forth in an axial direction of a spindle (5) are provided on an outer periphery of a tubular portion (9a) for supporting the spindle (5). As a pair of projections (49) provided on a first change ring (32) are moved in conjunction with the rotation of the first change ring (32) which is capable of changing over the operating mode of a percussion driver drill, the stoppers (47) move back and forth in the axial direction. During a percussion mode and a drill mode, the stoppers (47) abut against a flat washer (50) for fixing an internal gear (13) to restrict the forward movement of the flat washer (50), while, during a clutch mode provided in the first change ring (32) as a third changeover position, the stoppers (47) move away from the flat washer (50). A pair of washers (40, 41) superposed on each other in the axial direction of the spindle (5) are interposed between the first change ring (32) and a second change ring (39). The washer (40) has a click (45) capable of engaging in one of recesses (59) formed in the first change ring (32). The washer (41) has a click (46) capable of engaging in one of recesses (58) formed in the second change ring (39).

Percussion driver drill, and a changeover mechanism for changing over a

Portable electric blower

Growing community of inventors

Aichi-ken, Japan

Hidenori Ito