Abstract: A backlight module (20) includes a light guide plate (200) and a light source (210). The light guide plate includes a light incident surface (202). The light source includes light emitting diodes (LEDs) (211) and a light concentrating and scattering structure (214). The light concentrating and scattering structure is disposed between the LEDs and the light incident surface and is away from the light incident surface by a predetermined distance, light emitting from the LEDs is focused and then scattered into the light incident surface.

Abstract: An anti-kickback device includes a riving knife mounted rearwardly of a saw blade of a table saw machine and having a retaining hole. An elongate mount has a cavity and an insert groove to receive the plate body such that the retaining hole is located in the cavity. A fastening unit includes a post which is received in the cavity, which straddles a top surface of the knife, and which has a radial bore registered with the retaining hole, a detent body disposed in the radial bore and movable to extend into or to be clear of the retaining hole to thereby permit the mount to be secured to or detached from the knife, a tubular actuator which has an inner cam surface configured to move the detent body, and an operating member manually operable to move the actuator.

Abstract: A cutter head assembly for a wood planing machine includes a shaft, a plurality of cutter-mounting sleeve modules sleeved on the shaft, and a plurality of cutter modules respectively secured to the sleeve modules such that cutting edges of the cutter modules extend beyond outer wall surfaces of the sleeve modules. An angularly variable positioning mechanism includes an axially extending guiding member disposed on the mount segment, and a plurality of axially extending guided members disposed on inner wall surfaces of the sleeve modules to mate with the axially guiding member. By virtue of fitting engagement between the guiding member and a selected one of the guided member of each sleeve module that are sequentially sleeved onto the shaft, the cutting edges together define a cutting contour line that winds around the shaft.

Abstract: The disclosure discloses a method for making a conductive film and a film making equipment. The method includes providing a substrate having two opposite straight sides, a first side connecting the straight sides, and a second side connecting the straight sides and opposite to the first side. A film layer structure is formed on the substrate. A conductive film is formed by pulling out the film layer structure through the first side of the substrate.

Abstract: A light weight carrier movable along vertical guide posts of a wood planer includes left and right mounting seats having front and rear support blocks projecting oppositely and inwardly therefrom, front and rear guide holes adapted for extension of the guide posts, and cutter mounting holes each disposed between front and rear support blocks and between the front and rear guide holes, front and rear connecting rods each having left and right end sections respectively connected to the left and right mounting seats at the front and rear support blocks; a motor mounting plate fixed between the front support blocks; and a rear cover plate fixed between the rear support blocks.

Abstract: A cutter head of a planer machine includes a rotatable mount body having opposite flat mount and counter regions that are symmetrical to each other, a cutter blade disposed to abut against the flat mount region so as to enable a cutting edge to extend beyond a lateral end of the mount region, a press member having a tightened body which is tightened against the mount region, and a pressing strip which is brought to press the cutter blade against the mount region, and a counterweight disposed on the counter region so as to balance the combined weights of the cutter blade and the press member for smoothing the rotation of the mount body.

Abstract: A cutter head of a planer machine includes a rotatable mount body having opposite flat mount and counter regions that are symmetrical to each other, a cutter blade disposed to abut against the flat mount region so as to enable a cutting edge to extend beyond a lateral end of the mount region, a press member having a tightened body which is tightened against the mount region, and a pressing strip which is brought to press the cutter blade against the mount region, and a counterweight disposed on the counter region so as to balance the combined weights of the cutter blade and the press member for smoothing the rotation of the mount body.

Abstract: A wood planing machine includes a base adapted to permit a workpiece to be moved thereon in a front-to-rear direction, a plurality guide posts fixed on the base, a mounting seat sleeved movably on the guide posts, a motor disposed on the mounting seat, and a cutting unit disposed on the mounting seat. The cutting unit includes a rough-plane cutter, a fine-plane cutter disposed behind the rough-plane cutter, a first transmission unit interconnecting the motor and the rough-plane cutter to allow the rough-plane cutter to be driven by the motor, and a second transmission unit interconnecting the rough-plane cutter and the fine-plane cutter to allow rotation of the rough-plane cutter to be transferred to the fine-plane cutter.

Abstract: A level adjusting device for a cutter head of a jointer/planer machine, includes a front support frame for supporting a front anti-friction bearing unit that holds a front journal segment of the cutter head, a rear support frame including left and right base abutments, a height-adjustable carrier for receiving a rear anti-friction bearing member that holds a rear journal segment of the cutter head, left and right lugs respectively having inner tubular threaded surfaces, and left and right adjusting screws respectively having threaded segments which are threadedly and respectively engaged with the inner tubular threaded surfaces, and abutting ends which are in frictional engagement with the base abutments, respectively, and which are turnable to move the respective lugs relative to the adjusting screws so as to raise or lower the carrier, thereby enabling level adjustment of the cutter head.

Abstract: A cutter head assembly for a wood planing machine includes a rotary shaft, a plurality of blade carriers non-rotatably retained on the shaft, and a plurality of cutter blades respectively secured on outer wall surfaces of the blade carriers by means of a plurality of screw fasteners. The outer wall surface of each blade carrier includes a leading region and a trailing region that form a first included angle of at least 90 degrees therebetween. Each blade has a first major wall surface abutting against the leading region, a second major wall surface disposed opposite to the first major wall surface, a cutting edge interposed between the first and second major wall surfaces and extending beyond the outer wall surface of the respective blade carrier, and an abutting edge disposed opposite to the cutting edge to abut against the trailing region. The cutting edge of each cutter blade intersects the second major wall surface at a second included angle ranging from 35 degrees to 45 degrees.

Abstract: An apparatus includes a driving shaft which is disposed in a housing unit, which is rotatable with a drive unit, and which is adapted to be coupled with a flexible twisting member disposed in a flexible tubular casing of a pipe cleaning device to rotate a scrubbing head for scrubbing an inner wall of a pipe, and a plurality of rollers cooperatively defining a traveling path. One of the rollers is rotatable with the driving shaft. The flexible tubular casing is drawn by the rotation of the rollers to move along the traveling path so as to be delivered or withdrawn. A control module is disposed to control the operation of the drive unit. A switch unit is actuated to send a switch-off signal to the control module when the flexible tubular casing is tensed so as to stop the drive unit.

Abstract: A light weight carrier movable along vertical guide posts of a wood planer includes left and right mounting seats having front and rear support blocks projecting oppositely and inwardly therefrom, front and rear guide holes adapted for extension of the guide posts, and cutter mounting holes each disposed between front and rear support blocks and between the front and rear guide holes, front and rear connecting rods each having left and right end sections respectively connected to the left and right mounting seats at the front and rear support blocks; a motor mounting plate fixed between the front support blocks; and a rear cover plate fixed between the rear support blocks.

Abstract: A level adjusting device for a cutter head of a jointer/planer machine, includes a front support frame for supporting a front anti-friction bearing unit that holds a front journal segment of the cutter head, a rear support frame including left and right base abutments, a height-adjustable carrier for receiving a rear anti-friction bearing member that holds a rear journal segment of the cutter head, left and right lugs respectively having inner tubular threaded surfaces, and left and right adjusting screws respectively having threaded segments which are threadedly and respectively engaged with the inner tubular threaded surfaces, and abutting ends which are in frictional engagement with the base abutments, respectively, and which are turnable to move the respective lugs relative to the adjusting screws so as to raise or lower the carrier, thereby enabling level adjustment of the cutter head.

Abstract: A backlight module (20) includes a light guide plate (200) and a light source (210). The light guide plate includes a light incident surface (202). The light source includes light emitting diodes (LEDs) (211) and a light concentrating and scattering structure (214). The light concentrating and scattering structure is disposed between the LEDs and the light incident surface and is away from the light incident surface by a predetermined distance, light emitting from the LEDs is focused and then scattered into the light incident surface.

Abstract: A cutter head assembly for a wood planing machine includes a shaft, a plurality of cutter-mounting sleeve modules sleeved on the shaft, and a plurality of cutter modules respectively secured to the sleeve modules such that cutting edges of the cutter modules extend beyond outer wall surfaces of the sleeve modules. An angularly variable positioning mechanism includes an axially extending guiding member disposed on the mount segment, and a plurality of axially extending guided members disposed on inner wall surfaces of the sleeve modules to mate with the axially guiding member. By virtue of fitting engagement between the guiding member and a selected one of the guided member of each sleeve module that are sequentially sleeved onto the shaft, the cutting edges together define a cutting contour line that winds around the shaft.

Abstract: A wood planing machine includes a base adapted to permit a workpiece to be moved thereon in a front-to-rear direction, a plurality guide posts fixed on the base, a mounting seat sleeved movably on the guide posts, a motor disposed on the mounting seat, and a cutting unit disposed on the mounting seat. The cutting unit includes a rough-plane cutter, a fine-plane cutter disposed behind the rough-plane cutter, a first transmission unit interconnecting the motor and the rough-plane cutter to allow the rough-plane cutter to be driven by the motor, and a second transmission unit interconnecting the rough-plane cutter and the fine-plane cutter to allow rotation of the rough-plane cutter to be transferred to the fine-plane cutter.

Abstract: A rotary cutter of a wood planing machine includes: a rotary shaft that has alternately disposed fan-shaped vanes and fan-shaped grooves; and blades secured respectively to the fan-shaped vanes. Each of the fan-shaped vanes has a leading face and a trailing face. Each of the blades is attached securedly to the trailing face of the respective fan-shaped vane. The leading face of each of the fan-shaped vanes and the trailing face of an adjacent one of the fan-shaped vanes converge toward a center portion of the rotary shaft so as to define a respective one of the fan-shaped grooves, and cooperatively define an angle therebetween. The angle is greater than 60 degrees and less than 120 degrees.

Abstract: A rotary cutter includes: an elongated shaft that defines a rotation axis and that has two opposite mounting ends, and at least one axially extending blade-mounting surface parallel to the rotation axis and extending between the mounting ends; a pair of blade-aligning members, each of which is mounted on a respective one of the mounting ends of the shaft, and each of which is formed with at least one protrusion; at least one blade attached to the blade-mounting surface and having two opposite end portions, each of which is formed with a recess that receives the protrusion of a respective one of the blade-aligning members; and a fastening plate and screws for fastening the blade to the shaft.

Abstract: A rotary cutter of a wood planing machine includes: a rotary shaft that has alternately disposed fan-shaped vanes and fan-shaped grooves; and blades secured respectively to the fan-shaped vanes. Each of the fan-shaped vanes has a leading face and a trailing face. Each of the blades is attached securedly to the trailing face of the respective fan-shaped vane. The leading face of each of the fan-shaped vanes and the trailing face of an adjacent one of the fan-shaped vanes converge toward a center portion of the rotary shaft so as to define a respective one of the fan-shaped grooves, and cooperatively define an angle therebetween. The angle is greater than 60 degrees and less than 120 degrees.

Abstract: A rotary cutter includes: an elongated polygonal shaft that defines a rotation axis, that has blade-mounting surfaces parallel to and surrounding the rotation axis, and that is formed with blade-aligning studs for aligning a blade, the blade-mounting surfaces being equidistant from the rotation axis, two adjacent ones of the blade-mounting surfaces defining an angle therebetween, the angles defined by the blade-mounting surfaces being equal; blade-fastening plates, each of which is attached to and cooperates with a respective one of the blade-mounting surfaces of the shaft to define a blade-receiving gap therebetween for receiving the blade; and fastening screws for fastening the blade to the respective one of the blade-mounting surfaces of the shaft.