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JP11192601 |
To enable discrimination of the top and bottom directions of a saw blade fitted to a fret sawing machine and to enable sure fixation of the fitted saw blade and retainment of proper tension of the saw blade. The saw blade 32 is accuratel...
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JP11170205 |
To entirely eliminate the damage due to the contact of the cutting blade part with a screw even when the length of the cutting blade is adjusted suitable for cutting-off and realize the effective use of the whole saw blade. A saw blade 1...
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JP11123701 |
To remarkably improve a cutting efficiency of an object by reducing a frictional force to be applied to a cutting edge in the case of reciprocating the edge. A handgrip 20 is mounted at an end of a cutting edge 10. And, a lubricant liqui...
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JP11077601 |
To simply and effectively obtain a plate mold with a desired shape by a method wherein a tool having a drilling part and a cutting part is arranged in a tool fixing part so as to form a vertical shaft. When a plate material 9 is properly...
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JP11028614 |
To provide the base installation mechanism of a cutter by which a sufficient tightening force is obtained, even in a comparatively simple structure. In a base installation mechanism 10 tightening and fixing the main body 2 and base 3 of ...
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JP10337610 |
To provide a cutting tool-mounting and demounting mechanism firmly holding a cutting tool and having easy replacement of the cutting tools. A cutter has a body 2 and a blade shaft 4 reciprocating in the shaft line direction by being supp...
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JP10328928 |
To provide a cutting tool having attaching/detaching function simple, positive and convenient so as to be able to attach/detach an edge part in a single operation and to mount the edge part positively to a grip part without generating lo...
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JP10315201 |
To enable secure attachment of a blade to a blade retainer for a cutting machine without using a tool or the like. Two cams 1 each having a protruding portion 1a are rotatably provided at a lower end of a plunger 4 on left-hand and right...
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JP10315045 |
To provide a highly practical cutter mounting and demounting mechanism, the configuration of which is simpler than conventional mounting and demounting mechanisms, and which can firmly hold a cutter and easily replace the cutter with ano...
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JP10291202 |
To provide a folding saw wherein in a folding saw used for pruning operation or the like, the folding saw can be used with a short hold handle in comparison with a total length of a saw blade plate, and a guard for protecting a hand and ...
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JP10286718 |
To reduce or eliminate oscillation of a cutter blade by guiding the tip side of it to be restrained to improve cutting precision. A cutting vise device is provided with a vise main body 7 provided with a chain C to fix a pipe P, and a ch...
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JP10244418 |
To reduce the risk of breaking of a sawtooth by transmitting pendulum motion between a fork lever and a lever having a roller by a plunger pin which is reciprocatively driven in a piston shape in the vertical direction by the fork lever ...
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JP10244417 |
To provide a change blade saw which can simply mount/demount a change blade without completely pulling screws out of a shank part for mounting/demounting the change blade. In a blade changing saw where a vertical slit 13 is formed roughl...
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JP10238512 |
To provide a hydraulic cylinder with a shock-absorbing mechanism to be excellent in durability and shock absorbing power. A piston 9 is driven based on the feed and discharge of fluid to and from a pressure operation chamber 10, formed b...
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JP10235602 |
To surely prevent the deflection of a blade during a cutting operation by mounting a set ring having an abutment portion adapted to be brought into abutment with the upper surface of the blade and having an inner wall forming a width sli...
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JP10217201 |
To perform a neat removal and an efficient use of an upper surface of a base without a fear of falling off by vibration of a contained blade by providing a blade containing part of a jigsaw equipped with a main body housing having a driv...
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JP10193217 |
To easily align a saw edge surface, in the case of holding it to a predetermined position, to an objective one point, and even when a saw is diagonally drawn on an annual ring of bamboo and wood, hard material of a resin, metal pipe, etc...
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JP10138201 |
To improve the workability of the attaching/detaching operation of the blade in a blade attaching/detaching device, which also serves as a slack prevention mechanism for the blade, with a simple appearance so that the cutting state of th...
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JP10128702 |
To provide a blade holding device with a simple constitution, good assembling properties and being small-sized and lightweight. A female screw 7 provided on a plunger 1 so as to intersect the axial center of the plunger at right angles, ...
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JP10128618 |
To cut stone into a thin plate in a short pitch by installing plural gang saw blade sets formed by laminating plural gang saw blades at both ends thereof through a spacer and a pair of end plates on a frame of a gang saw machine. A gang ...
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JP10100105 |
To provide a back metal for use in a cutter-replaceable saw, capable of exactly and efficiently holding a replaceable saw in position. A pair of plates are arranged to be mutually opposed so as to form an installing section for a replace...
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JP10080821 |
To make a fret saw suitable especially for sawing without producing cracks due to push-sawing. In a fret saw which has a reciprocating saw blade 40, and the back 30 of saw blade of which is supported by a guide member of an reciprocating...
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JP10058227 |
To effectivey utilize a saw blade and reduce the wear thereby by providing various tooth parts at both breadthwise ends of the saw blade, and forming an open part at both lengthwise ends of the saw blade to be coupled to the reciprocatin...
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JP09277167 |
To minimize the vibration of a tool by forming a balance weight so as to intermediately position the center of gravity thereof between a spindle and a drive shaft. A balance weight 66 has an approximately U-shaped structure including an ...
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JP2710565 |
PURPOSE: To enable it to surely clamp a blade without using any tool. CONSTITUTION: A holding member 9 is inserted into a hole 6b formed in a plunger 6. A ring member 10 is installed an outer circumferential part between this holding mem...
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JP09234625 |
To prevent the floating of a main body from a material to be cut by providing the main body with an auxiliary base part composed of a plate part having a thickness smaller than the thickness of a blade and a length larger than the thickn...
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JP09201801 |
To attach and detach a tang of a replacement saw easily to a handle while the tang of the saw can be stably firmly attached by providing a notch wherein a holding mouthpiece imparts with a spring function near a narrowing end to a side n...
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JP09141521 |
To cut piping provided at a height, by remote operation from the ground. In a height existing pipe cutting device used to cut piping existing at a height, a cutting unit is composed of a frame body 10 of rectangular solid shape, automati...
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JP09141604 |
To especially well execute cutting along a curvature having a small radius of curvature and to cut a relatively accurate circular contour with high repeating accuracy without requiring other auxiliary means. In a jig saw equipped with a ...
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JP09123016 |
To relax a vibration generated when a plate to be cut is cut by a blade, and to stabilize the cutting direction of the blade, by providing a straight line slit or a curved line slit for blade inserting, at the center. When two handles 2 ...
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JP2639627 |
PURPOSE: To restrain abrasion between a shaft member and a coupling member which is fitted at its one end part in the shaft member at a position eccentric from the rotary axis of the shaft member, and damage thereto by fitting the other ...
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JP09109103 |
To provide a saw tooth holder capable of being used in a small saw regardless of the flat shape or wire shape of the saw. A U-shaped bow-like member 1, a handle 2 and two attaching instruments 3, 4 provided to both end parts of a saw 5 a...
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JP09109102 |
To certainly attach a saw blade to a predetermined position in a state detached with one hand by constituting a fixing device of a fixing support member, a spring fixing member and a release lever in order to attach the saw blade to a dr...
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JP09109105 |
To make it possible to cut satisfactorily by any one even without familiarizing with the handling of an European type saw. In a substantially D-shaped European type saw-handle having a grip 12 formed in the shape which makes it possible ...
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JP09109104 |
To make it possible to use a replaceable blade type saw for a double- edged saw with safety in the replaceable blade type saw having a latch part of a saw blade (replaceable blade) latched to a shaft and a base part sandwiched between th...
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JP09103914 |
To replace a saw blade easily and rapidly with a moving direction facilitating the manual operation of a worker by engaging the saw blade with a tightening sleeve in the state of being taken into a release position from the tightening sl...
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JP09094802 |
To replace a saw body to fit in a handle easily by one simple action, smoothly, promptly, and surely. An operating means which actuates a linking means 7 and the top end of which is pivoted freely rotatably to project from a void part ou...
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JP09085529 |
To prevent a material to be cut from flawing of a clamp by bending. A pair of spring means 21, 22 are disposed opposedly to each other to support a frame 17 on the free end of the guide frame 17 in a neutral position where a material W t...
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JP08323537 |
PURPOSE: To aim at the miniaturization of a cutting machine as well as to prevent any deflection in the longitudinal direction of a weight plate effectively. CONSTITUTION: A first cam part 5c is formed in a cam member 5 eccentrically to ...
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JP08294901 |
PURPOSE: To improve the working accuracy so that a handle may scarcely fluctuate by sandwiching both right and left outer walls of the recess of the case body of a cutter between right and left inner walls of the cap of the rear part of ...
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JP08281605 |
To make the following-up of a saw blade possible by pivoting a guide strip piece backwards or forwards in response to working situation by a structure wherein the guide strip piece of the same blade is pivotally arranged about a shaft ex...
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JP08257904 |
PURPOSE: To replace only a guide easily by installing a guide holder onto one end of a cylinder head for supporting a shaft and installing a guide which is guided by the guide holder onto the shaft so as to be detached and attached freel...
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JP08187701 |
PURPOSE: To effectively prevent the drop of a blade even if an operating member is rotated in the blade removing direction at the time of cutting when the member is functioned also as a grip for the time of cutting in a jig saw of the ty...
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JP08155904 |
PURPOSE: To enable easy attachment of a blade to a handle without requiring hammering the handle tail, by forming a recess on an end of a tang and a hole in an intermediate portion of the tang so that the tang may be inserted into a slit...
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JP08155903 |
PURPOSE: To facilitate blade replacement and enhance the safety in the case of blade breakage, by forming a fall-off stopper in a guide groove extending between an insert hole and the upper edge of a mounting base of a blade and by provi...
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JP08155730 |
PURPOSE: To fix a base with high reliability even with the small rotating stroke of an operating lever. CONSTITUTION: For a slide hole 11 in a sliding contact part 10 which is protrudingly-formed at a base 7 and a jointing bolt 8 which p...
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JP08142002 |
PURPOSE: To provide a folding saw equipped with a saw blade locking mechanism, which surely restricts the saw blade in a saw blade housing groove so as not for the saw blade to fly out of a handle for keeping safety at the housing of the...
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JP08118303 |
PURPOSE: To make a one-touch blade replacement structure which can only be applied to a conventional single-edged blade saw, applicable even to a double blade saw. CONSTITUTION: A hook part 31 with an arc part is formed on one end part o...
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JP08090335 |
PURPOSE: To enable it to surely clamp a blade without using any tool. CONSTITUTION: A holding member 9 is inserted into a hole 6b formed in a plunger 6. A ring member 10 is installed an outer circumferential part between this holding mem...
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JP08090501 |
PURPOSE: To stably cut by providing an annular groove on the inner wall surface of a plunger which is vertically reciprocated, engaging the protrusion of a blade protruding to the side edge of the platelike end, and regulating the shakin...
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