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JP07100709 |
PURPOSE: To provide a cutting tool capable of accurately immediately detecting the bending of a cantilever-supported cutter blade. CONSTITUTION: A cutting tool is provided with a base 2 attached to a predetermined position of a body hous...
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JP07075912 |
PURPOSE: To ensure safe cutting, including sectional cutting and vertical splitting, of a pipe material. CONSTITUTION: In a chain vice for a cutting machine mounted on a material to be cut 101 by fastening a chain 8 wound around the mate...
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JP07060538 |
PURPOSE: To easily and surely perform tightening and fixing of a tool main unit and a base. CONSTITUTION: A gear housing 2 is connected to h base 7 by a connecting bolt 8, and under the base 7, a clamp plate 12, having a contact surface ...
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JP07032210 |
PURPOSE: To provide a chain vice of a cutting machine capable of cutting off and dismantling efficiently safely an assembled steel material. CONSTITUTION: A chain hook 72 provided on the other end of an arm 70 supported pivotably on one ...
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JP06264493 |
PURPOSE: To provide a method and device wherein cutting action for a matter to be cut off can be taken rapidly and surely, and any various cutting diameter can be selected and further a movement through a pipe having therein offset axes ...
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JP06198601 |
PURPOSE: To minimize vibration over the max. range as a driving mechanism wherein at least a part of a counterbalanced weight is activated to move on a track pass by gear rotation. CONSTITUTION: A power tool comprises casing regions 12 a...
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JP06166002 |
PURPOSE: To adjust a presser foot in compliance with the thickness of a workpiece by the up and down movement of a rod member by providing the rod member extended downward on a position deviated from a saw, clamping the upper end of the ...
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JP06155155 |
PURPOSE: To operate a hand sawing machine remarkably easily so as to suck cutting chips only by the force of a hand sawing machine without using any external apparatus. CONSTITUTION: A dust collector is built in this hand sawing machine....
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JP06155401 |
PURPOSE: To provide a power saw constituted so as to reciprocally moving a plate shaped saw blade by a power source such as an electromotor or compressed air and having a structure generating no reaction. CONSTITUTION: Plate-shaped saw b...
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JP06079701 |
PURPOSE: To provide the reciprocating saw having the excellent structure and constitution in strength without the abrasion and wear as a mechanism, wherein the rotation of a rotary member is converted into the vertical reciprocating moti...
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JP05261695 |
PURPOSE: To dispense with a special device for relative motion of a knife and a grinding wheel by achieving the relative motion necessary for engaging the knife with the grinding wheel by commonly using a device to move a base frame betw...
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JP05104490 |
PURPOSE: To prevent stress concentration on a knife during cutting and generation of excessive vibrations in a cutter head for cutting sheet material. CONSTITUTION: In a cutter head for cutting sheet material by using the elastic bending...
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JP04348810 |
PURPOSE: To perform simple and rapid attachment and detachment of a blade without using a jig and a tool. CONSTITUTION: A tapered surface 15 is formed on the large part at a rear end of a knob bolt 8 having a tip by which a blade 6 is pr...
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JP04256516 |
PURPOSE: To restrain vibration in both directions of the longitudinal direction (spindle direction) and in the cross direction on a reciprocating saw furnished with a reciprocating spindle. CONSTITUTION: A crown gear 20 is rotated by a m...
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JP04249101 |
PURPOSE: To obtain an excellent operability, a sectional surface easy to assemble a pole and a good surface state at the time of cutting a partition panel. CONSTITUTION: A length L of a saw blade 30 is formed larger than a sum of a thick...
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JP04248912 |
PURPOSE: To obtain the subject stably acting apparatus having high strength by placing bearings at the front and rear ends of a case and supporting a pair of upper and lower saw blades with the bearings in a specific state freely slidabl...
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JP04217418 |
PURPOSE: To minimize vibration by reversing motion of a shaft and a counterbalance at the same time, and constituting so as to eliminate a phase shift of force. CONSTITUTION: A counterweight 46 slides on the outside of a sleeve 50, and h...
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JP04053620 |
PURPOSE: To prevent the surface of a workpiece from being flawed by installing an elastic plate at the side of a work surface of a smooth plate, and attaching the cutting direction of a saw blade facing down. CONSTITUTION: A jigsaw body ...
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JP04013515 |
PURPOSE: To improve the workability by supporting an applied member by a rotatable support part to be freely fixed and loosened. CONSTITUTION: An applied member 3 consists of an applied piece 31 and a stopper 33. The stopper 33 consists ...
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JP04013514 |
PURPOSE: To reduce a burden on a worker by providing an applied member with a slide member, and moving the slide member almost in the cutting direction to the main body of a reciprocation saw. CONSTITUTION: For an applied member 3, a scr...
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JP04008420 |
PURPOSE: To suppress the increase in the force for pressing a material to be cut onto a saw blade, so as to reduce the load burden on a worker by stretching a second abutting member almost in a cutting direction so as to make the angle f...
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JP03117513 |
PURPOSE: To improve a cutting efficiency by incorporating an ultrasonic wave generation device and a horn transmitting an ultrasonic vibration in a hand piece, providing a saw fitting part at the horn tip part and fitting the saw thereto...
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JP03066516 |
PURPOSE: To simplify the constitution by fixing a lifting means on a piston adapted to move up and down, locking metal fittings fixed to both ends of a fret saw edge by a lower means provided from a lower horizontal portion of a U-shaped...
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JP03060914 |
PURPOSE: To superpose the reciprocating moment in the direction orthogonal with the axial direction on a plunger and saw tooth blade and to draw easily an ellipse by this blade tip, by bringing a rocking base equipped with a bearing for ...
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JP02232117 |
PURPOSE: To make a motor-driven tool compact and lighter as well as make it easy to see a blade tip by converting the rotation of a motor into the reciprocating motion of a shaft, fitting a blade at the tip of the shaft through a fixture...
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JP02139114 |
PURPOSE: To reduce vibration and energy consumption at time of no-load running by setting up a clutch in a power transmission route, and installing a detecting means which detects contact with a workpiece and performs clutch engagement. ...
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JP02071918 |
PURPOSE: To avoid the shake of a saw blade in cutting so as to obtain a beautiful cut surface by providing a saw fixing mechanism and a vertically moving mechanism which are positioned one the upper side of a fixing mechanism for raw mat...
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JP02009527 |
PURPOSE: To effectively utilize the vibration of a cutting tool to improve its sharpness by installing a freely advancing and retreating rod at the front part of a handle, installing a reciprocating drive means to drive the rod in the ha...
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JP01234112 |
PURPOSE: To enable use in an ordinary place and in a narrow place and to stabilize in case of use in a narrow place by reversing a chord of a sawing machine up and down in a 180° arc to be replaced and used. CONSTITUTION: When both forw...
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JP01159123 |
PURPOSE: To reduce the labor of an operator and facilitate the handling by advancing and retreating a saw plate in the axial direction through a bevel gear, eccentric pin, connector, and a reciprocating spindle by the revolution of a dri...
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JP01085701 |
PURPOSE: To provide a saw whose two blades are not detachable during the use thereof by equipping the saw with a reciprocator to reversely reciprocate two paralleled blades to the elongated direction and a generator to generate a force t...
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JP01045514 |
PURPOSE: To finish a cut end at the same level as the internal surface of a main pipe by arranging at a truck portion a bend shaped blade body agreeing with the circular arc of a main pipe diameter, and making this blade body face on the...
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JP01027806 |
PURPOSE: To prevent deflection of a saw blade and to provide a cutting end surface extending at right angle with an axis, by a method wherein a spacer is moved in a guide opening formed in a saw blade, and performs circular movement in t...
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JP01020922 |
PURPOSE: To absorb vibrations, reduce noises and provide a section with excellent flatness by providing a weight as an attenuating damper on the tip of saw blade used for a reciprocating type sawing machine for cutting a pipe. CONSTITUTI...
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JP63229261 |
PURPOSE: To make a stroke changeable even in operation and improve production efficiency by making the turning radius of a crankpin support member regulatable by means of a feed mechanism and making the feed mechanism drivable by means o...
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JP63216622 |
PURPOSE: To shorten an overall length and to eliminate an external power source, by a method wherein the rotary shaft of a motor is connected to a reduction gear through a means, converting rotational movement of the motor into a recipro...
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JP63109913 |
PURPOSE: To improve driving efficiency by attaching a first eccentric pin to a gear surface perpendicular to the side face of a saw blade, providing a second eccentric pin eccentrically on the first eccentric pin, fixing a cam plate to a...
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JP61050712 |
PURPOSE: To obtain efficient saw cutting with proper cutting load by detecting change of cutting load of saw tooth by the change of current reciprocating on the saw tooth and changing saw feeding speed automatically according to the valu...
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JP59224214 |
PURPOSE: To enable automatic cutting by forcing a mounting means mounted on a workpiece via a fixing means to support a hacksaw, and pressing down this saw onto the workpiece by means of a pressing means in the automatic saw (Hack saw) m...
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JP58143914 |
PURPOSE: To prevent a high pressure air tool from abnormal heating and to improve its workability by spraying the interior of the driving portion and the tool portion of said air tool with lubricant containing air. CONSTITUTION: The high...
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JP58022620 |
PURPOSE: To machine simply and roughly tooth surfaces with finishing allowance being left, by cutting the parts of a work where tooth should be formed into a wedge shape by a pair of hack-saws. CONSTITUTION: One of the hack-saws 18 is st...
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JP56042619 |
PURPOSE: To prevent from the occurrence of whitening phenomenon at a notched portion, by a method wherein a notched portion is formed in a plastic material extruded in a hollow plate using a punch provided with saw blades, whose cross se...
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JP55157425 |
PURPOSE: To obtain a cutoff piece with no large cracked part, by pinching and securing the cutoff piece with the first and second mounting members throughout cutting-off and by ending up the cutting-off at the central cavity of the secon...
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JP55150916 |
PURPOSE: To obtain a good efficiency of cutting of a sawing machine, by driving its sawblade around the eccentrically rotating center, giving an adequate depth of cut to each of cutting edges and allowing the cutting edges to return with...
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