| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Rescue tool | US108662 | 1998-07-01 | US6092290A | 2000-07-25 | Bruno Vogelsanger |
| A portable, hydraulically powered rescue tool has a cutting head, a hydraulic motor, a battery-powered hydraulic fluid pump, and controls necessary for operation of the tool. The cutting blades are shaped so that, when the tool is in use, the blades take bites of material out of the object to be cut. | ||||||
| 202 | Hand held power assisted shears | US947654 | 1997-10-09 | US5918370A | 1999-07-06 | Andrew J. Wells |
| A hand held power assisted shears has a piston located in a cylinder formed in a pistol grip body. A trigger controls the position of a hollow shuttle spool rod which slides longitudinally within a hollow piston rod connected between the piston and the blades. The hollow shuttle spool rod carries pressurized working fluid to the piston where it is directed to the space above or below the piston. The piston drives the blades through the piston rod to a position corresponding to the position of the trigger allowing the operator to continuously control the position of the blades and the extent and rate of closure during cutting. The relative position of the shuttle spool rod and the piston rod controls whether the working fluid is directed above or below the piston to open or close the blades. One end of the shuttle spool rod acts as a piston which causes the blades to open automatically when the trigger is released. The blades and trigger may be removed without tools for cleaning the shears or sharpening the blades. | ||||||
| 203 | Branch shears tool | US842002 | 1997-04-23 | US5867909A | 1999-02-09 | Thomas Jeltsch; Jorn Lutzeler |
| Branch shears (1) having two blades (11, 12) that are movable in relation to each other, of which one blade (11) is rigidly connected with a housing (2) and the other blade (12) can be moved by an electric motor (5) via a threaded spindle (8), a threaded nut (21) arranged on the threaded spindle and a rod assembly connected to the threaded nut. A control switch (41) having two reversing switches (42, 43) connected to the circuit of the electric motor (5) is provided. In addition, a control link (51) is attached to the spindle nut (21), onto which the operating cams (53, 54, 55) interacting with the reversing switches (42, 43) are formed. With the aid of the control switch (41), it is possible to stop, continue or reverse the movements of the pivotable blade (12) at any time in a simple manner, thus the movements of this blade can be controlled as desired. In addition, it is ensured that the branch shears (1) will always open automatically by the force of the electric motor (5) if the control switch is released. | ||||||
| 204 | Pneumatic powered pinking shears | US362658 | 1994-12-22 | US5511313A | 1996-04-30 | Patricia D. Yoder; Andrew D. McGraw |
| An electric/pneumatic pinking shear with one touch button blade closure. The blades In these shears are shorter than previous blades because of the twisting and bending moments of long thin blades. The bending moments of the blades have been reduced so that shear tension between the blades can be kept to a minimum. The teeth on the blades are wider than other pinking shears in order to improve the quality of the finished cut. This will decrease the amount of thread unraveling after the fabric is cut. | ||||||
| 205 | Mechanism for manipulating a tool and flexible elongate device using the same | US893770 | 1992-06-05 | US5389072A | 1995-02-14 | Mir A. Imran |
| Flexible elongate device comprising a flexible elongate member having proximal and distal extremities and a tool actuator member mounted on the distal extremity of the flexible elongate member. An elongate element having a negative coefficient of expansion is carried by the distal extremity of the flexible elongate member and is connected to the tool actuator member for causing movement of the tool actuating member. A control console is provided for supplying electrical energy to the elongate element. | ||||||
| 206 | Hand held power operated shears | US132526 | 1993-10-06 | US5375330A | 1994-12-27 | Raymond J. Herrmann |
| Hand held fluid operated shears comprises first and second blades. The blades are pivotally connected for movement of one relative to the other about an axis. The shears include a thumb-receiving handle and a finger-receiving handle. One of the handles is supported for pivoting about the axis independently of both blades. The other handle is fixed relative to the first blade. A fluid actuator is coupled between the fixed handle and the second blade. A fluid operated servo mechanism is controlled by the second blade and the pivoted handle to control operation of the fluid actuator to move the second blade relative to the first blade in coordination with the movement of the pivoted handle. The rate of movement of the second blade decreases relative to the rate of movement of the pivoted handle as the second blade moves from an open position at an acute angle relative to the first blade to a closed position where it overlies the first blade. | ||||||
| 207 | Hedge trimmer | US509134 | 1990-04-16 | US5058276A | 1991-10-22 | William H. Parker |
| A drive for a hedge trimmer, or the like, stores energy in a clock spring during a part of each cycle of sickle-bar operation. When enough energy is stored in the clock spring, it is released to drive a sickle-bar with a strong chopping action. | ||||||
| 208 | Hair shearing device | US363140 | 1989-06-08 | US4989322A | 1991-02-05 | Duke Clayton |
| A hair shearing device is driven by a motor to duplicate the cut obtained by manually operated scissors. One blade of the hair shearing device is held stationary while the other blade is powered to cross over the stationary blade at a predetermined speed. The speed of the movable blade is controlled and is variable. | ||||||
| 209 | Pile carpet trimmer | US33468 | 1987-04-02 | US4825547A | 1989-05-02 | William E. Carder |
| A pneumatically operated pile carpet trimmer includes a housing having a drive shaft projecting from one end thereof, and a shearing head removably threaded on the last-named end to surround the projecting end of the shaft. An operating lever which is pivotally mounted in the head is connected at one end to the movable shearing member of a set of shears which is removably mounted on the bottom of the head, and the opposite end of the lever is releasably connected to an eccentric carried by the drive shaft. When the latter rotates it oscillates the lever, which therefore reciprocates the movable shearing member. The head may have two sets of shears removably mounted thereon to operate in intersecting planes. In each case exhaust air from the housing is directed onto the shears to blow away cuttings. | ||||||
| 210 | Fluid operated shears | US104845 | 1987-10-05 | US4791726A | 1988-12-20 | Harrison A. Ailey, Jr. |
| A head-held, pressurized fluid operated, shears unit for use in the processing of poultry and the like. The shears unit has a body member having a weight and size for ready grasp by a user. One of the cutting blades is fixed in position, and the second blade is pivotally-mounted so as to move toward and away from the first blade to effect a cutting action. The motion of the pivotal blade is effected by connecting that blade, through a pivotal linkage, to a reciprocatable piston rod that extends from a forward end of the body member. This piston rod is fastened at a second end to a double-acting piston within a piston cylinder in the body member. A master valve operated by a lever for grasp by a user directs the pressurized fluid to one of two sides of the double-acting piston so as to effect moving of the piston and piston rod and thus opening or closing the pivotal blade with respect to the fixed blade. When the body member is fabricated from machinable plastic, the master valve includes a valve body received in a cavity within the body member with the valve stem moving within this valve body. | ||||||
| 211 | Rotary shear attachment and tool for laminated plastic and other materials | US858060 | 1986-05-01 | US4646438A | 1987-03-03 | Donald B. Hessler |
| A rotary shear attachment and tool for laminated plastic and other materials is disclosed. The shear attachment comprises a frame which is fixed to an existing motor case and has an upper and a lower portion spaced apart and separated by a central portion. Driving and cutting wheels are positioned on the frame and are rotatably mounted for cutting the plastic and other materials. A chip breaker is positioned on the frame to break up the chip formed by the shear attachment and the frame has means associated with it for diverting one side of the plastic being cut in a direction away from the plane of the other side of the plastic. The novel rotary shear attachment may be incorporated into an improved rotary tool, may be incorporated into existing rotary tools and may also be used with a novel table for cutting a large sheet of plastic at a job site. | ||||||
| 212 | Motor driven hand-held machine with two part tool assembly | US645604 | 1984-08-29 | US4607709A | 1986-08-26 | Hans-Heinrich Walser |
| A motor driven portable machine tool has a drive motor and a first gear mechanism which is driven thereby. Spaced from the first gear mechanism is a second gear mechanism, and it is drivingly engageable therewith through a disengageable coupling including a pair of coupling elements, a coiled spring disposed thereabout, and a clutch member rotatably disposed about the coil spring and adapted to tightly coil it about the coupling elements to effect driving engagement therebetween. A latch member is engageable with the clutch member to prevent its rotation, and a stop mechanism is operatively connected to the latch member to engage the latch member with the clutch member after one complete stroke of the tool which is being driven thereby. The stop mechanism may include a cam follower, and a cam surface on one of the gears, so that, upon a single revolution of that gear, the stop mechanism will effect the relatching of the clutch member to terminate the transmission of the power through the clutch. | ||||||
| 213 | Power handle for pivotally interconnected lever tools | US48807874 | 1974-07-12 | US3888003A | 1975-06-10 | BROWN FRANK R |
| A power handle for pivotally interconnected lever tools, such as wire clippers, shears, pliers, snips and cutters, is composed of a portable case with an actuating arm mounted to one side. The arm when depressed actuates a plunger valve whereby a source of compressed gas is released into a pair of bellows each situated between one side of the case and one lever arm of the tool positioned within the case. The bellows fill with the compressed gas and force the lever arms toward each other about their pivot axis, counteracting the force of the torsion spring that normally biases the lever arms apart. Release of the arm closes the plunger valve and allows the rapid escape of the compressed gas trapped in the bellows, whereby the torsion spring reopens the lever arms of the tool.
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| 214 | Claw clipper | US33800673 | 1973-03-05 | US3845553A | 1974-11-05 | FIELDS H |
| A cutting plate having a cutting edge is slideably mounted on top of an anvil plate having an opening for receiving the end of a claw to be clipped. An adjustable stop allows quick insertion of the claw to a uniform, safe position. A reciprocal drive means moves the cutting edge over the opening in the anvil plate to clip the end of the claw and then moves the cutting edge to a position where it is spaced from the opening. The reciprocal drive means is driven by an electric motor and includes a drive pin which is manually moved endwise into the groove of a motor driven feed screw, is held in driving position by a snap detent, and is automatically forced out of the groove at the end of the feed screw. A spring returns the cutting plate to its rest position when the drive pin is forced out of the groove at the end of the feed screw. A final shaping tool may be secured to the motor shaft to shape and polish the claw.
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| 215 | Electric shears | US3787742D | 1972-03-07 | US3787742A | 1974-01-22 | MURPHY T |
| An electric shears in which there is provided a housing having swingably interconnected first and second cutting blades mounted therein and projecting outwardly therefrom. A gear train is mounted within the housing and is interconnected between a reversable electric motor and said second blade for moving said second blade with respect to said first blade. A manually manipulatable switch assembly is mounted on said housing and is coupled through a second switch assembly for actuating said motor to drive said gear train in a first direction to cause the cutting blades to open and close. A cam driven by the gear train is engageable with said second switch assembly for selectively opening and closing said assembly to control said motor to drive said gear train in a second direction for an interval sufficient to position the cutting blades in an open position and deactuate said motor.
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| 216 | Cutting implement or tool with blade tensioning device | US3683497D | 1970-09-21 | US3683497A | 1972-08-15 | DUFFY WILLIAM; STUDENTS JOHN |
| A cutting implement or tool, for example, scissors or shears driven by motor means having a stationary cutting blade and a cooperating movable cutting blade and having means for applying pressure to the movable blade for improving the cutting operation and for compensating for spring blade wear. The pressure means preferably consists of a volute spring the lower end of which is located on the shank of the movable blade. The upper end of the spring is preferably held by a screw by which the force of the spring may be adjusted.
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| 217 | Ultrasonic motors | US3666975D | 1970-05-18 | US3666975A | 1972-05-30 | BALAMUTH LEWIS |
| An ultrasonic motor construction wherein the compressional wave mechanical energy is transmitted through a transmission member into flexural vibrational wave energy to a working tip or surface removed a distance from the transducer associated therewith. Various forms of ultrasonic motor constructions are illustrated as in the form of a welding instrument or scissor.
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| 218 | Electric scissors blades | US3602988D | 1969-11-19 | US3602988A | 1971-09-07 | LITTLE ROBERT E |
| Electric scissors having blades spring biased toward one another with antifriction buttons therebetween and pivotally connected by a pin. A threaded fastener is received by and extends into the housing and a collar and engages a tapped member which is pivotably attached to a fixed blade whereby rotation of the fastener moves the fixed blade with respect to the movable blade to alter the location of the cutting area along the cutting edges of the blades.
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| 219 | Electric scissors | US3478426D | 1967-06-22 | US3478426A | 1969-11-18 | GREENE OSCAR |
| 220 | Handle-forming tongs-type device | US3471191D | 1966-12-29 | US3471191A | 1969-10-07 | SCHWAB MANFRED |
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