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Patent Searching and Data


Matches 251 - 300 out of 447

Document Document Title
JP2001121343
To provide a small device for notching capable of forming a notched recesses simply and easily in a structural angle so as to fit a plate nut or the like in lips of a rail part of the structural angle for mounting parts. This device is p...  
JP2001087935
To establish effective execution of works through a handle operation in a minor turning range with a tool, etc., for performing cutting, etc., of an underlay material, etc. This tool is so structured that a cutting blade, etc., is attach...  
JP2001087936
To provide a cutting tool for an underlay material, etc., made of metal with its forefront part formed in a light structure and assuring good easiness to handle. A cutting tool, etc., for an underlay material, etc., made of metal has a c...  
JP2001071212
To freely change the direction of a blade part to a handle so that cutting work of a workpiece can be facilitated. This scissors, having a pair of blade parts 10 mutually connected through a first pivotal shaft 12 to shear a workpiece by...  
JP2001071182
To provide a mechanical handling device for a working piece of one hand operation type capable operating with one hand only. A pincers member 1 has a spacer 11, as a drive end 9, directed toward a ram part 27 together with a tension spri...  
JP3152321
PURPOSE: To provide a switch mechanism of an electrically-driven hydraulic tool capable of easily operating by one hand and certainly preventing maloperation even in the case of doubly placing a main switch button and a hydraulic release...  
JP2001009630
To provide a mechanism to perform accurate cutting sliding and cutting by a moving blade opposite to a fixed blade without no change of the center of the moving blade when a steel bar to be cut is cut in an arbitrary spot and to perform ...  
JP2000354909
To mechanically cut electronic parts by one operation even if they have plural lead wires by providing a cutter sliding on a guide member and a holding member for electronic parts to be cut to the length of a lead wire set by the cutter....  
JP2000343321
To produce a fine cut surface of a long member by cutting it with two movable blades moving simultaneously.On a base 1 two stationary blades 4 provided with through holes 7 penetrating a long member 6 are installed at a certain spacing, ...  
JP2000329056
To provide a hydraulic tool which can reduce a motor torque even when load to be applied to a piston is increased, and also reduce power consumption. This hydraulic tool has a work extruded and driven by a hydraulic pump driven which is ...  
JP2000308918
To provide a portable type coil cutter which can easily cut a coil in a large-sized rotary machine and almost without generating cutting chips. A movable/fixed blade 3, 2 are connected by a pair of guide bars 4, and a driving gear 6 is i...  
JP2000308919
To provide a bending cutter device which can automatically bend and cut metal straps in a prescribed form by the device simply inserting and operating it in the superposed metal straps. This device has an insertion part 1 provided in a t...  
JP2000301410
To cut and remove extra wires on an inside diameter side of various coils by cutting operation at one time. This extra wire cutting device is provided with a die 1 provided with a first escape groove 3 in which an extra coil part 8 of a ...  
JP3124944
To cut rails of different cross section shapes by a common rail cutter by providing die parts so as to be replaceable from the upper direction within two side walls of a frame. When a handle 4 is moved downward from an A point to B point...  
JP2000291605
To provide a portable hydraulic machining device which allows a tool to be smoothly restored to its non-machining position from its machining position. A portable hydraulic machining device 10 supplies hydraulic oil force-fed from a hydr...  
JP2000288266
To perform a proper electrical insulation simply and inexpensively as much as possible without carrying out an expensive structural change with respect to an existing rescue tool. The portable rescue tool comprises a header part for supp...  
JP2000278836
To provide a pinching cutting tool or a cable cutter that not only can perform pinching cutting but also can be used as a cutting tool with a blade edge at an outer end. In the pinching cutting tool, a pinching cutting part 3 is provided...  
JP2000246538
To superiorly form a closed position of engagement members without any clearance and easily adjust edge parts after re-polishing in a parallel position by providing two engagement members connected to two parallel links by two connecting...  
JP2000233316
To reduce burrs formed on both cut surfaces after cutting a lightweight shape steel. A cutting tool 1 is provided with a knife blade 3, a blade receiver 2 which is placed at the forward side of the knife blade 3 to receives the knife bla...  
JP2000233314
To not only shear a work piece made of flat steel, but also shear a work piece such as corrugated steel or perpendicularly bent steel along a curving surface of the work piece. In a shearing machine equipped with fixed edges 16 arranged ...  
JP2000233315
To improve an accuracy of a cutting position of a bolt thread by a simple operation, and to always make a cut surface perpendicular to a thread axial direction. A bolt thread cutting device 1 is provided with one cutter 2 and the other c...  
JP3102939
PURPOSE: To provide a small and manipulatable hydraulic actuation device which may forcibly carry out the return movement of a piston rod by hydraulic pressure, and which may automatically and rapidly carry out this return movement. CONS...  
JP2000198017
To provide a separating cutter capable of cutting, breaking apart, separating and recovering a cylindrical body or a columnar body by one separating cutter and capable of improving workability. A separating cutter 11 is provided with a f...  
JP2000198018
To provide a hydraulic puncher capable of easily and smoothly performing punching wok in a portable way and stationary way and excellent in safety. In a hydraulic puncher, a punch 5 and a die 6 are attached to a head main body 2, the pun...  
JP2000176731
To provide a manual ratchet cutter for cutting a cable and the like, which can be manufactured simply, and can be operated conveniently.A turning handle 2 and a fixed handle 3 are provided, the fixed handle 3 has a circular arc form of f...  
JP2000170650
To prevent contact and collision of the advancing side edge of a slit-like inflow passage opening to the ram front end without reducing a clearance more than needs.A ram 16 reciprocating in a ram cylinder 14 is formed into an approximate...  
JP2000158228
To enhance the accuracy of a position where a thread part of a bolt is cut, through a simple manipulation, and to always hold the cut surface, orthogonal to the axial direction of the thread part.This bolt thread part cutting part 1 is c...  
JP2000094213
To easily and efficiently perform continuous work in a portable hydraulic electric reinforcing steel cutter.This hydraulic electric reinforcing steel cutter 1 is provided with an operation box 8 including a first timer 2 for optionally s...  
JP2000084727
To easily and surely retract a reverse rotation preventive claw and a feed claw from an external teeth part of a rotary cutting blade. This cable cutter comprises a fixed handle 1 and an oscillating handle 2, a fixed cutting blade 4 is c...  
JP3046202
PURPOSE: To reduce the size and weight of a housing and to suppress projecting quantity of a receiving rod. CONSTITUTION: A reservoir 30 is arranged in a pump case 18, while a flexible air bag 40 is arranged in the reservoir 30. A receiv...  
JP11347831
To provide the electric cutter of lightweight shape steel which can cut off lightweight shape steel such as a joist along an opening edge by one operation and further cut even the lightweight shape steel projected to a circular opening f...  
JP11320244
To provide a small-sized rail cutter to cut a rod into a specified length by driving links and a die part automatically using a motor. A rail cutter has a limit switch 13 to operate with a cam 12 rotated by a motor and a cutter blade in ...  
JP11320456
To effectively prevent entrance of dust to the internal part of a body housing. In this seal mechanism, a packing 18 made of rubber is contained in the whole periphery of a joint part between a gear housing 3 to form a body housing 2 and...  
JP11320251
To make continuous cutting with simultaneous removal of burrs in the forefront part left unremoved in the first working process without requiring the operator to shift his working position forward and backward relative to a metal plate o...  
JP11285917
To provide a long-life inexpensive power-driven cutting tool by improving safety in case of abnormal operation. A shaft 101 is arranged in an oscillation arm 10, and a rotational cutter guard 104 is arranged beside a cutting blade so as ...  
JP11247806
To provide a suitable hydraulic cylinder for a power tool in hand or the like. A helical compression spring 26 is inserted in the rod side oil chamber of a hydraulic cylinder 3, and a hydraulic piston 21 is held at a head side initial po...  
JP11245177
To provide a hand-held tool which is small size, light weight and is high speed and high power. The hydraulic oil tank 4 of a hand-held wire cutter 1 and a differential hydraulic cylinder 3 are connected to each other by hydraulic condui...  
JP11216611
To provide a hydraulic metal machining device transportable in a work site and capable of performing plural kinds of machining. A hydraulic metal machining device is provided with a lower plate 2, three supports 4, 5 and 6 with the lower...  
JP11179681
To perform various works even when a piston stroke is varied by forming slide grooves for sliding a movable side die according to the slide of a piston head on the inside surfaces of a yoke and a latch, and providing attachable and detac...  
JP11156629
To provide a cutting tool which can easily and safely cut a light- weighted shape steel material. A cutting tool 1 has an operable knife blade 4 is arranged so as to rotate around a rotary center 10. The knife blade 4 has first and secon...  
JP11129113
To provide a lifesaving cutter with a reduced total weight, without marring the wear resistance of cutting edges, a frame and a cylinder. Cutting edges 39a, 39b are formed with a titanium alloy base metal 49 and a steel brazed to the bas...  
JP11129114
To miniaturize a linking structure by rotatably connecting the structure with a link rotating around the upper part of a side wall and a link connecting with a handle at a hole part having a curve part. When a handle 4 is moved clockwise...  
JP11123610
To safely and quickly cut a bolt without generating spark by installing a pair of cutting blades in blade installing parts on the opposed ends of a rotary body and a device body. A hydraulic hose from a hydraulic pump is connected to a c...  
JP11117904
To provide a power generating machine for a hydraulic system capable of damping the operating sound of a piston. Suction and discharge of a hydraulic pump 3 is performed by the reciprocating motion of a piston 4, and a supply chamber 27 ...  
JP11114852
To improve working efficiency by speeding up the reciprocating motion such as of a cutting work while maintaining separated state from the valve seat of a switching valve. This operating tool is provided with oil exhust ports 5 which are...  
JP11077424
To provide a hydraulic actuator that is easy in oil supply, oil replacement and bag attaching in manufacturing and can be manufactured with ease. This hydraulic actuator comprises at least one accomodation hole section 45 opening on the ...  
JP11077426
To select a blade part of a cutter at a desired angle in accordance with necessity of a cutting worker, make a leg part rise in a rear end side thereof, so as to perform work, make it high in safety, eliminate or reduce labor, make worka...  
JP11077425
To enable a single cutter to cut even an ACSR cable (steel reinforced- aluminum cable) or the like, attain improvement of workability. This wire cutter 1 is formed by pivotally mounting a pair of right/left cutter main units 4 having cut...  
JP11070407
To easily, safely, and quickly cut a grating made of a steel plate. In this cutter, when cutting blade tips 6 are opened to nip the bearing bar (b) of a grating (a), and then hydraulic pressure applied to a hydraulic cylinder 3; a pressi...  
JP10286712
To prevent accidents such as short and electric shock, by isolating the positive and negative cores by an insulating partition blade, and fixing both of a cutting blade to be directly brought into contact with the cores at the cutting, a...  

Matches 251 - 300 out of 447