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JP6530433B2 |
A roller module (3) is used for driving a sawing wire (21) to slice an ingot (20) into multiple wafers (202), and includes two spaced apart main rollers (51, 51') and an auxiliary roller (52). Each main roller (51, 51') has a rotating ax...
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JP2019072899A |
To provide a technology that enables a user to intuitively grasp a cutting position by a saw chain when the user holds a top handle.The specification discloses a chain saw. The chain saw includes: a prime mover which causes a saw chain t...
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JP6499013B2 |
To make favorable an operation feeling of a trigger lever which is arranged at a grip of a working machine so as to be turnable.In a working machine 10, a trigger lever 32 which drives a prime motor 21 by being pulled to a grip 31 side b...
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JP6488148B2 |
A guide bar of a chain saw according to the present invention includes: an elongated plate-shaped guide bar body (1) that supports a saw chain on its peripheral edge portion; a plurality of elongated holes (2a, 2b) formed through the gui...
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JP6475555B2 |
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JP2019010824A |
To realize a chain saw with improved convenience of replenishment work of chain oil.A chain saw includes: a guide bar protruding from a main body 2; a saw chain which rotates along the guide bar; an oil container 20 which is housed in a ...
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JP6455226B2 |
The utility model provides an electric motor workover rig. This electric motor workover rig includes: the motor, the fan, install in the rotor, and fan guide portion, along the rotation axis direction of rotor and being provided with the...
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JP2018204595A |
To provide a portable work machine which prevents an erroneous engine stop caused by erroneous detection of a liquid level of lubrication oil and can maintain safety for a worker.An engine cutter 100 serving as a portable work machine in...
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JP6430178B2 |
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JP6424956B2 |
An operator operates a throttle lever and by maximizing the extent of said operation, the drive state is initiated, and the crank shaft rotation rate R increases and reaches the maximal value (RC) thereof. Subsequently, the operator oper...
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JP2018158472A |
To improve a workability of a replacement work of a saw chain by a chain saw or a pole saw etc.A temporary fixture 30 of a saw chain for temporarily fixing a saw chain 20 to a guide bar 15 comprises: a base part 31 extending in the width...
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JP6397793B2 |
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JP6397716B2 |
An electric chainsaw includes a first handle having a grip portion that is provided with a trigger switch for activating an electric motor. The electric chainsaw includes a second handle having a laterally extending grip portion provided...
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JP2018144112A |
To provide a wire saw cutting method by which cutting efficiency is greatly improved and an operation time can be shortened.When cutting a cutting object in such a manner that a wire saw 10, in which plural cutting beads 11 are additiona...
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JP6389416B2 |
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JP2018520909A |
The present invention relates to a method for cutting a workpiece (30) on a wire saw (1). This wire saw (1) comprises a cutting wire (3), which extends in a number of loops around at least two wire guide rollers (14), thereby providing t...
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JP2018520030A |
[Task] The present invention is a cutting device for machine tools, one closed with at least one cutting strand (12a; 12b; 12c; 12d) and particularly the cutting strand (12a; 12b; 12c; 12d). At least one guide unit (14a; 14b; 14c; 14d) f...
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JP6360658B2 |
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JP3216194U |
To provide a horizontal tool with an angle indicator, which is effective when used in a bladed tool such as a hedge trimmer, a hair clipper, or a chainsaw, particularly by fixing to a chainsaw for safely cutting a standing tree or cuttin...
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JP6326215B2 |
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JP6320845B2 |
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JP6303294B2 |
To provide an electric power tool capable of automatically changing a revolving speed of an electric motor depending on work conditions.An electric power tool 11 performs operations such as grinding, separation and cutting by swinging a ...
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JP6300271B2 |
To provide an easy-to-use electric chainsaw that uses, in place of a large battery pack with a high voltage rating that would have been used in conventional electric chainsaws, a battery power source composed of a set of small commonly u...
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JP2018503521A |
The present invention relates to a wire cutting system and a method for cutting a large structure (6) under the sea surface. This wire cutting system comprises two feed towers (2) with a feed tower first end fixed to the seabed. The cros...
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JP2018008328A |
To enable a wire saw to flexibly deal with various processing modes when the wire saw is used to cut a workpiece.A wire saw device 1 includes: one robot arm 2 which can freely move through multi-axis control; a wire saw unit 3 connected ...
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JP6262605B2 |
[Problem] To provide an improvement technique for minimizing vibration occurring due to rotation of an output shaft of a motor to which an eccentric shaft is coupled. [Solution] This electric vibration tool (100) has: an electric motor (...
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JP2018001504A |
To inhibit occurrence of abnormal noise and vibration in a chain saw and concurrently inhibit increase of manufacture costs caused by increasing dimensional accuracy of components.A chain saw 10 is provided with: an electric motor 20 whi...
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JP6259679B2 |
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JP6256870B2 |
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JP2017226061A |
To provide a guide roller capable of increasing the rigidity of a disk member, and capable of equalizing inertia as compared with a guide roller made of urethane rubber.In a guide roller for a wire saw having a disk member 2, the disk me...
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JP6200686B2 |
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JP6186172B2 |
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JP6179722B2 |
The utility model provides an oil pump and a portable operation machine. The maximum value of the engine oil ejection amount of per stroke can be regulated accurately. An anti-dropping pin (14) arranged on an adjusting shaft (15) is clam...
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JP6164370B2 |
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JP2017113936A |
To provide a chain saw in which an engine can be stopped when kick back is generated.A chain saw 1 includes an opening/closing mechanism 60 which opens/closes an electric circuit 70 for driving the chain saw 1. The opening/closing mechan...
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JP6152325B2 |
Provided is a structure for preventing the falling of a fastening nut of a portable power work machine, the structure reliably preventing loss of the nut and containing assembly cost, manufacturing cost, and component cost while reducing...
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JP2017105206A |
To provide a chain saw excellent in operability, in the chain saw of using a plurality of highly versatile battery packs.A chain saw 10 comprises a body casing 11, a guide bar 21 provided by projecting from the body casing 11, a saw chai...
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JP2017100307A |
To provide an engine working machine which has high muffler cooling efficiency.An engine cover 20 includes, at an upper front end, an air current guide part 20A having an inner face which has a curved surface shape forwards from a horizo...
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JP6113623B2 |
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JP6109272B2 |
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JP2017052223A |
To provide a wire saw device capable of stably performing work without unnecessarily damaging a peripheral structure including a cutting object.In a wire saw device 1, a pair of support posts 4 are disposed in parallel so as to hold a bo...
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JP6087651B2 |
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JP6088945B2 |
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JP2017503692A |
Sample preparation devices, such as those useful in the context of digital numerical simulation of rock properties, and methods of preparing rock samples using such devices. The disclosed device includes a diamond wire cutter that is fix...
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JP2017013296A |
To provide a small-sized chain saw excellent in weight balance and operability regardless of types of a guide bar fitted thereto.A chain saw 1 comprises guide bars 30, 35, 40 which are selectively mounted to a body housing 2 and over whi...
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JP2017013162A |
To provide a chain saw whose dressing work can be easily performed.A chain saw has a grinding member 8 for grinding a saw chain 5, and an operation part 23 for pressing the grinding member 8 onto the saw chain 5. The operation part 23 is...
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JP2016209933A |
To provide a method of controlling a traverser of a wire saw capable of suppressing the generation of accumulation of wire at an end of a wire reel, when the wire is wound up around the wire reel through a traverser; and a wire saw.A met...
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JP2016199005A |
To provide a hook attachment structure of a top handle saw, which makes a hook hardly come off even when a tightening force of a fixing screw is decreased, which makes safety high, and which facilitates attachment of the hook.Engagement ...
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JP6032400B2 |
A chain saw has a drive shaft which drives the saw chain, an electric motor which imparts a rotational force to the drive shaft, a main body housing which incorporates the electric motor, a battery which is detachably attached to the mai...
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JP6037129B2 |
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