93 results about "Blade handle" patented technology

A rotatable tool which may include a blade, handle, a multi-positional radially rotating placement system, a spring bias lock mechanism, and a user activated unlock mechanism, and the like. Methods of use thereof by a user or other persons, possibly for instances such as self-defense, survival, cutting, perforating, slicing, sawing, chopping, tradecraft, or the like are also included.

The utility model provides an adjustable stator blade sealing device of an aero-engine, which is characterized in that an external shaft sleeve is arranged on a blade handle and rotates along with the blade handle; the internal shaft sleeve is mounted between the blade handle and the external shaft sleeve, the internal shaft sleeve is provided with a cavity, and a mounting shaft hole of the adjustable stator blade is matched with the cavity; a first sealing structure and a second sealing structure are arranged between the external shaft sleeve and the internal shaft sleeve, and the internal shaft sleeve and the external shaft sleeve are tightly sealed through cooperation of the first sealing structure and the second sealing structure. According to the utility model, a sealing mode of combining gas path sealing and labyrinth sealing is adopted, and the shaft sleeve at the blade handle and the bushing at the shaft hole of the casing are matched for sealing, so that the sealing performance of the gas compressor is improved, the water leakage problem at the VSV blade handle of the gas compressor is effectively reduced, the accuracy of T3 temperature change data is improved, and the reliability of a test result is enhanced.

The invention provides a variable-camber stator blade with a biased rotating shaft and inclined gaps and a design method thereof, and belongs to the technical field of gas turbine engines, the variable-camber stator blade comprises a front-section blade, a rear-section blade and a blade handle, the rear-section blade and the blade handle are integrally formed, and the circle center of the blade handle is located on the edge of the front-end pressure surface side of the rear-section blade; the tail edge of the front-section blade is arranged to be a concave arc curve, the front edge of the rear-section blade is arranged to be a convex arc curve, the concave arc curve and the convex arc curve are arc lines on a concentric circle respectively, and the blade handle and the circle center of the concentric circle are located at the same position; the axial length of the suction surface of the front-section blade is greater than that of the pressure surface of the front-section blade, so that a concentric circle gap formed between the tail edge of the front-section blade and the front edge of the rear-section blade is obliquely arranged relative to the suction surface; and the suction surface of the tail part of the front-section blade is preloaded. According to the scheme, the airflow flowing loss under the large adjusting angle is reduced, and the total pressure recovery coefficient of the variable camber stator is improved.

The utility model provides an adjustable induced draft fan impeller blade handle shaft anti-falling bush, which relates to the technical field of bushings, and comprises a hub, blades and a flange, and the outer end part of the hub is provided with a blade handle hole. The wear-resistant composite flange bushing with the flange structure is arranged between the flange and the hub, and the flange is mounted on the inner side of the blade handle hole, so that when a centrifugal force is generated during operation of the fan rotor, the flange directly blocks the flange bushing from moving outwards, the effect of the centrifugal force on the flange bushing is counteracted, the flange bushing is effectively prevented from falling off from the blade handle hole, and the service life of the fan rotor is prolonged. The problems of rotation jamming of the blade handle shaft, failure of a blade adjusting function, drifting of movable blades, aggravation of equipment operation vibration and the like caused by falling of the flange lining are avoided, safe and stable operation of a unit is guaranteed, meanwhile, the flange lining is made of a composite material, the composite material has self-lubricating performance and abrasion resistance, the lubricating effect of the blade handle shaft when the blade handle shaft rotates in the blade handle shaft hole is guaranteed, and the service life of the blade handle shaft is prolonged. Friction loss is reduced, and the service life of parts is prolonged.

The application discloses a die for a coaxial cable spiral metal pipe conductor and a texturing method, and technical scheme points are as follows: a metal pipe body, a texturing assembly arranged outside the metal pipe body and used for improving texturing productivity of the coaxial cable spiral metal pipe conductor; the texturing assembly comprises a texturing cutter seat arranged outside the metal pipe body, a plurality of first fixing holes are formed in one end of the texturing cutter seat, a plurality of positioning columns are fixedly installed at the other end of the texturing cutter seat, and a head outer circle is arranged outside the texturing cutter seat; the super wear resistance of a tungsten steel blade edge is combined with a reversible design of a double-blade handle, so that the total effective processing mileage of a single set of tooling is improved by several times compared with a traditional die, which directly leads to a significant decrease in die amortization cost of a unit length product and a significant reduction in time loss and labor cost caused by stoppage and die replacement.

The application discloses a cutting scissors with a PVD coating and a cutting method, which comprises a finger blade, a thumb blade, a finger blade handle, a thumb blade handle, a hinging assembly, a lever assembly and a buffer assembly; the finger blade handle is fixedly installed at the end of the finger blade, the thumb blade handle is fixedly installed at the end of the thumb blade, and the finger blade and the thumb blade are hinged through the hinging assembly; the lever assembly is arranged between the finger blade and the thumb blade, the buffer assembly is arranged between the finger blade and the finger blade handle, and the metal surfaces of the finger blade and the thumb blade are provided with PVD coatings; the cutting method can realize the following effects: when the two blades are completely closed, the unique lever structure and the buffer structure are used to continuously exert a shearing force, so that the labor of the user is saved, and the exertion strength of the user is reduced; in combination with the PVD wear-resistant coating process, the surface of the product after coating is similar to the surface of a machined coating milling cutter, so that the wear-resistant service life and the sharpness durability of the scissors are greatly increased.

The utility model discloses a stripping knife device for inductance winding production, which comprises a main knife rod and a plurality of knife handles arranged around the main knife rod, the middle parts of the knife handles are rotatably connected to the upper part of the main knife rod, the gravity centers of the knife handles are positioned at the lower parts of the knife handles, and knife grains with knife edges are arranged at the upper ends of the knife handles. The lower portion of the main cutter rod is rotationally connected with a limiting chuck, a guide structure used for guiding the lower ends of the cutter handles to synchronously swing inwards and outwards is arranged between the limiting chuck and the lower ends of the cutter handles, and a torsional spring connecting the limiting chuck and the main cutter rod is arranged between the limiting chuck and the main cutter rod. The utility model has the advantages of simple structure, low cost and high efficiency.

A cervical disc instrument that includes a handle that defines a cavity therein, a trial head, and a blade. The trial head is removably coupled to the handle and configured for insertion into a disc space. The blade is disposed in the cavity of the handle and configured to cut a surface that at least partially defines the disc space when the trial head is located in the disc space.

The clamp comprises a base, a clamping assembly and a cover plate, a plurality of fixing grooves are formed in the base at equal intervals, first connecting pieces are arranged in the fixing grooves, the first connecting pieces are configured to connect the base to a machine tool, the clamping assembly comprises a hydraulic piece and an extrusion piece, and the hydraulic piece and the extrusion piece are arranged on the base. The hydraulic part comprises a mounting part and a clamping part, the mounting part is fixedly mounted on the base through the cover plate, the clamping part is configured to clamp a blade handle part, a liquid storage channel is formed in the clamping part, an extrusion part is arranged at an opening of the liquid storage channel, and the extrusion part is configured to extrude liquid in the liquid storage channel so as to enable the inner wall of the clamping part to generate strain; and the blade handle part is extruded, so that the blade handle part is fixed. According to the clamp, the liquid in the liquid storage channel is extruded through the extrusion piece, so that the inner wall of the clamping part generates strain to fix the blade handle part, uniform and stable clamping force is provided for the blade handle part, and the machining precision of the coaxiality of the blade handle part of the gas turbine is improved.

The present invention discloses a blade mounting structure and a medical plastic surgery mobile phone, relating to the technical field of medical plastic surgery instruments. The blade mounting structure includes a mounting shaft tube, the interior of which is provided with a mounting cavity for housing a blade handle. The end of the blade handle away from the blade is provided with a stopper, and the connection between the stopper and the blade handle is provided with a notch. The blade mounting structure also includes a first positioning block and a second positioning block. The first positioning block is fixedly disposed in the mounting cavity and is configured to fit into the notch to limit the axial movement of the blade handle. The second positioning block is slidably connected to the mounting cavity and is configured to abut the side of the stopper to limit the circumferential movement of the blade handle. The technical solution provided by the present invention can improve the connection firmness between the blade body and the medical plastic surgery mobile phone.

The utility model relates to an active variable pitch mechanism for a small fan and the small fan comprising the active variable pitch mechanism, which comprise a synchronous pull rod guide seat, a synchronous moving unit comprising a synchronous pull rod guide shaft, a synchronous pull rod and a three-jaw synchronous disc with three jaw parts, and three variable pitch units, the synchronous pull rod guide shaft is mounted in the synchronous pull rod guide seat in a manner of axially moving for a certain distance, the synchronous pull rod is fixedly connected to the inner end of the synchronous pull rod guide shaft, and the three-jaw synchronous disc is fixedly connected to the outer end of the synchronous pull rod guide shaft; the variable-pitch unit comprises a self-lubricating sliding block, a blade handle crankshaft and a variable-pitch bearing with a rotatable inner ring and a fixed outer ring, the self-lubricating sliding block is in sliding connection with the claw part and is rotatably connected with the inner end of the blade handle crankshaft, the outer end of the blade handle crankshaft is fixedly connected to the inner end face of the rotatable inner ring of the variable-pitch bearing, and the variable-pitch bearing is fixed to the hub through the fixed outer ring; the outer end face of the rotatable inner ring of the variable pitch bearing is connected with the blades. The utility model has the advantages of small volume, compact structure, reduced load and long service life and maintenance period.

The present invention discloses an airflow-supplying intelligent lawn mowing power machine, which relates to the technical field of lawn mowers, including a lawn mowing mechanism, a lawn mowing supporting and moving mechanism, a blade protection mechanism, a handheld control mechanism and a grass blowing and heat dissipation multifunctional mechanism. The lawn mowing mechanism includes a fan-shaped bottom cover, a lawn mowing blade and a power component. The top of the fan-shaped bottom cover is fixedly connected to a fan-shaped cover plate by fixing screws. The rotating drum is rotatably installed at the center of the circle where the fan-shaped bottom cover is located. Six mounting through holes are provided in a circular array on the side of the rotating drum, and a blade handle is respectively inserted in each mounting through hole. The airflow-supplying intelligent lawn mowing power machine has good protection for the lawn mowing blade. The rectangular lawn mowing blade is not prone to high temperature conditions. When the rectangular lawn mowing blade is damaged, only the damaged one needs to be replaced, and the entire blade does not need to be replaced. The power mechanism of the lawn mower is cooled by supplying air to avoid high temperature conditions that affect its continuous operation.

The utility model discloses a dust collecting device for cleaning a blade handle shaft, relates to the technical field of dust collectors, and aims to solve the problems that dust is accumulated for a long time due to exposure of a feeding hole of the conventional dust collecting equipment, and gaps of elements are blocked when internal element equipment is started. The second overturning plate is installed on the front end face of the dust collecting device body, the upper end of the second overturning plate is rotationally connected with the dust collecting device body through a second electric control rotating shaft, a third overturning plate is arranged below the second overturning plate, and the lower end of the third overturning plate is rotationally connected with the dust collecting device body through a third electric control rotating shaft; two soft telescopic baffles are arranged on the two sides of the inner wall of the third overturning plate, and the two sides of the two soft telescopic baffles are in hot melting connection with the two sides of the inner wall of the third overturning plate and the inner walls of the two sides of the front end face of the dust collecting device body correspondingly.

A cutting tool system includes a cutting tool and optionally a longitudinally extending pole. The cutting tool includes a handle assembly and a blade. The handle assembly has a rearward proximal extension, a forward distal end longitudinally opposite the proximal extension, and a scabbard section extending from the proximal extension to the distal end. The scabbard section defines a longitudinally extending linear slot. The blade has a first end, a second end, and a cutting edge. The first end is pivotally mounted on the handle assembly such that the second end travels in an arc upon pivoting of the blade between a folded configuration, and an unfolded configuration of the cutting tool, in which the blade extends at least partially forward from the handle assembly with the cutting edge removed from the scabbard section and exposed for use.

The invention discloses a utility knife, comprising a blade (1), a handle switch (2) and a knife shell (3), wherein the knife shell (3) has a knife groove (4) for the blade (1) to slide with; the knife shell (3) is provided with an opening (24) for the handle switch (2) to slide with; the blade (1) and the handle switch (2) are connected, the knife shell (3) is provided with a plurality of grooves (5), and the plurality of grooves (5) are arranged in two rows and are basically parallel; the handle switch (2) is provided with a first elastic buckle (6) and a second elastic buckle (7) on both sides, the first elastic buckle (6) can be embedded in one row of grooves (5); the second elastic buckle (7) can be embedded in another row of grooves (5); the handle switch (2) is provided with a locking and unlocking structure that can make the first elastic buckle (6) or the second elastic buckle (7) escape from the groove (5). The utility knife has low cost, high working reliability and high safety.

The experimental device comprises a culture dish cover, a base plate and a petiole sleeve, a through hole is formed in the upper portion of the culture dish cover, a gauze element is connected to the upper portion of the through hole, an upper groove is formed in the side wall of the culture dish cover, an upper petiole pipe is connected to the upper groove, a lower groove is formed in the side wall of the base plate, and a lower petiole pipe is connected to the lower groove. The blade handle is sleeved on the side edge of the chassis. The experimental device has the advantages that the experimental device is easy to manufacture, materials can be obtained in a laboratory, mass manufacturing is facilitated, and cost is low; the activity or counting of the netbug is easy to observe in an experiment, the preservation effect of the platanus leaves is good, and the leaves do not need to be frequently replaced so as to reduce disturbance to the netbug; and the petiole is fixed in the petiole sleeve by using the absorbent cotton which is fully dipped with water, so that the water can be supplemented to the leaves at any time under the condition that the culture dish is not opened.

This utility model discloses a reciprocating rotary cutting medical planer assembly and a medical planer, relating to the field of medical device technology. To address the problems in existing technologies where the planer and power handle are integrated, leading to difficulties in cleaning and clogging of the suction channel, leakage through the handle causing motor damage, and blockage of the inner blade tube during a single surgery, the following technical solution is proposed: It includes an outer blade handle, an outer blade sheath, a tower-shaped spring, a reciprocating lead screw, a drive gear, a transmission shaft, a driven gear, and inner and outer blade tubes. The outer blade handle and outer blade sheath are joined together, with a tower-shaped spring fitted on the outside of the outer blade sheath. The outer blade tube passes through both the outer blade handle and the outer blade sheath. The inner blade tube is located inside the outer blade tube, with a driven gear fixedly fitted at its tail, meshing with the drive gear. This utility model has a compact structure, enabling reciprocating rotary cutting action and improving the efficiency and precision of medical planing.

The application discloses a hub support positioning structure, which comprises a support steel pipe, an outer ring boss fixedly connected to the top of the support steel pipe, an outer ring fixedly connected to the outer side of the outer ring boss, a hub inner ring fixedly connected to the bottom of the support steel pipe, an inner hole arranged in the center of the outer ring boss, and a blade handle in contact with the end face of the inner hole after passing through the outer ring boss, the support steel pipe and the hub inner ring. The application can improve the defects of the prior art, accurately position and install the blade on the hub, and strengthen the hub inner ring and outer ring.

The invention relates to a scalpel, comprising a blade body and a blade sheath, wherein the blade sheath is slidably sleeved on the blade body, the blade body comprises a blade and a blade handle, the blade sheath has an opening for the blade to pass through, the blade sheath is further provided with a locking sleeve, the locking sleeve is slidably sleeved on the blade handle, a first clamping block is provided on the inner wall of the locking sleeve, a gap is left between the locking sleeve and the blade handle, the gap is located on a side of the locking sleeve away from the first clamping block, a first clamping groove and a second clamping groove are provided on the blade handle, the first clamping block respectively cooperates with the first clamping groove, the blade handle and the second clamping groove to form different states: when the first clamping block is located in the first clamping groove, the blade is accommodated in the blade sheath, and the blade and the blade handle are in a locked state relative to the blade sheath; when the locking sleeve is pressed along the width direction of the blade handle and is caused to slide along the blade handle, the first clamping block is disengaged from the first clamping groove and slides along the blade handle to the second clamping groove, and the blade passes through the blade sheath through the opening; when the first clamping block is located in the second clamping groove, the blade is exposed outside the blade sheath, and the blade and the blade handle are in a locked state relative to the blade sheath.

The single-hole rotary blade convenient to install and use comprises a rotary blade body, a blade handle is arranged on one side of the rotary blade body and connected with a tool magazine through a fastening bolt, grooves are formed in the two sides of the upper end and the lower end in the tool magazine respectively, buffer clamping structures are arranged in the grooves, and the buffer clamping structures are connected with the tool magazine through fastening bolts. The buffer clamping structure comprises a sliding rod, a limiting block is fixedly arranged at the center position of the sliding rod, sliding sleeve blocks are arranged on the sliding rod on the two sides of the limiting block in a sleeving mode correspondingly, buffer springs are arranged on the sides, away from the limiting block, of the sliding sleeve blocks, and a first connecting frame is arranged on the sliding sleeve blocks; the first connecting frame is rotationally connected with one end of the rotating rod, the other end of the rotating rod is rotationally connected with the interior of the second connecting frame, the second connecting frame is arranged on the buffer plate, and a plurality of anti-skid protrusions are arranged on the side, away from the second connecting frame, of the buffer plate. According to the utility model, the rotary blade body can be conveniently mounted and dismounted.

The present invention relates to the technical field of PCB micro-drill processing equipment, and in particular to a fully automatic micro-drill blade handle welding machine, which includes a workbench and several groups of micro-drill blade handle welding devices arranged on the workbench; the micro-drill blade handle welding devices include a micro-drill blade feeding and clamping mechanism, a micro-drill handle feeding and clamping mechanism, a material receiving mechanism, a grinding mechanism, a blade feeding vibration plate, and a handle feeding vibration plate. The fully automatic micro-drill blade handle welding machine of the present application can realize automatic loading and unloading work, which not only reduces labor intensity and improves production efficiency, but also has low production costs. At the same time, the micro-drill blade and the micro-drill handle do not require the participation of an operator during the welding process, thereby avoiding the strong light, high temperature and toxic gases generated by the micro-drill blade and the micro-drill handle during welding to cause harm to the operator's body.

The utility model belongs to the technical field of pruning tools, and discloses a mulberry field pruning tool which comprises two handles, the ends of the two handles are hinged through a hinge shaft, the ends, close to the hinge shaft, of the two handles are provided with a first shear blade and a second shear blade respectively, and the handles are slidably sleeved with sleeves. A row of connecting columns and a row of connecting holes are arranged on the side wall, close to the other sleeve, of the sleeve, the connecting columns and the connecting holes on the two sleeves correspond to each other, and a fixing assembly for fixing the sleeves is further arranged on the handle. When the handle is used, the two sleeves are close to each other, the connecting column is arranged in the connecting hole of the other sleeve, then the sleeves slide, the two sleeves slide synchronously, the sleeves are fixed through the fixing assemblies, the sleeves serve as extension parts of the handle, and operation of workers is facilitated.

The invention relates to the technical field of fan blade adjustment, and discloses a counter-rotating type fan blade angle adjusting mechanism and method, the counter-rotating type fan blade angle adjusting mechanism comprises an annular adjusting plate, a movable adjusting part and a plurality of sets of swing parts, and the annular adjusting plate is coaxially arranged in a cavity formed in a fan hub; the movable adjusting part is arranged on the cavity and used for driving the annular adjusting plate to move in the axial direction of the fan hub, and the movable adjusting part comprises at least two sets of lead screw transmission assemblies and synchronous rotation driving pieces; the multiple sets of swing parts are connected between the blades and the annular adjusting plate in a one-to-one correspondence mode and used for converting linear movement of the annular adjusting plate into angle rotation adjustment of the blades, each swing part comprises a blade handle shaft, a swing arm and a sliding connecting piece, each blade handle shaft is rotationally connected with a fan hub, and the two ends of each blade handle shaft are fixed to the corresponding blade and the corresponding swing arm respectively; the angle adjusting mechanism is compact in overall structure, and synchronous adjustment of all the blades in the limited hub installation space of the counter-rotating fan can be achieved.

1. Name of the product in this design: Saw Blade Handle (B). 2. Purpose of this design: A saw blade handle for fixing a saw blade and for hand use. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a garden vegetation shaping device which comprises a trimmer body, the trimmer body comprises a handle, a machine box and a blade, the handle is installed on one side of the machine box, the blade is installed at the bottom of the machine box, an arc-shaped baffle is arranged on the side, close to the blade, of the machine box, a top plate is fixed to one side of the baffle, and the top plate is located above the blade. L-shaped protective plates are hinged to the two sides of the top plate respectively, the two protective plates can rotate synchronously, supporting plates are fixedly connected to the two protective plates respectively, connecting frames are hinged to the free ends of the supporting plates, a vertical rod is fixed to the top plate, and a sliding plate is slidably connected to the vertical rod. When the device is placed in a normal state, the top plate and the two L-shaped protection plates play a role in protecting the blade, the blade is prevented from being touched by mistake to hurt people, when the device is used, the two protection plates synchronously and relatively rotate, the two protection plates are opened, the bottoms of the opened protection plates are higher than the height position of the top of the blade, and then normal use of the blade is not hindered.

The equal-width cutting device comprises a fixing plate and a cutting plate, the cutting plate is fixedly installed on the fixing plate, the right side of the cutting plate is rotationally connected with a handle through a rotating shaft, torsional springs are arranged on the front side and the rear side of the rotating shaft respectively, and button arms of the torsional springs abut against the bottom of the right side of the handle and the top end face of the fixing plate respectively. The left side of the fixing plate is fixedly provided with a torsion spring, the right side of the handle is internally and fixedly provided with blades which are symmetrically arranged front and back, the center position of the front side of the handle is provided with a detachable blocking rod, and the top end of the left side of the cutting board is provided with a kidney-shaped hole used for avoiding the blocking rod. When the left side of the top of the handle is pressed, the handle does anticlockwise motion with the rotating shaft as the circle center, and equal-width cutting of a cutting material can be achieved through the blades symmetrically arranged in the right side of the handle front and back.

This utility model discloses a tissue slitting machine with quick-change blades, including a cutter, a frame, a blade mounting bracket, and a vertical motion drive mechanism. The blade mounting bracket includes a fixed plate, positioning components, a pressure plate, and connecting fasteners. The fixed plate is fixedly connected to the vertical motion drive mechanism. Multiple positioning components are spaced apart on the fixed plate along its lateral direction and protrude from the mounting surface. The cutter handle has multiple through holes extending along its thickness direction. The size of the positioning components matches the size of the through holes and can be inserted into the corresponding through holes. The pressure plate is arranged opposite to the fixed plate to press the blade handle firmly against the fixed plate. The pressure plate has clearance holes to avoid the positioning components. The connecting fasteners allow for detachable connection between the pressure plate and the fixed plate. This tissue slitting machine with quick-change blades enables quick, easy, and reliable installation and removal of the cutter, significantly improving the maintenance efficiency and overall operating efficiency of the tissue slitting machine.

This utility model discloses an overhead shears for pruning branches of *Vernicia fordii*, relating to the technical field of pruning tools. It includes a blade holder, which is Z-shaped overall. A horizontal groove is formed in the middle of the upper end, extending through the front end, and a vertical mounting groove is formed at the middle connection point. This utility model provides strong power for the scissor blades and the blade edge on one side of the blade holder to merge by installing a telescopic rod on the top surface of the lower end of the blade holder, enabling the cutting of thick branches. The funnel-shaped structure and nut at the lower end of the connecting tube facilitate the installation of the connecting rod, making it easier to control the position of the blade holder with both hands. The telescopic rod, slider, stop rod, spring, trapezoidal groove one, and trapezoidal groove two work together to control the up-and-down movement of the scissor blade handle, enabling the scissor blades to close and separate from the blade holder. The tension spring facilitates the quick reset of the scissor blades, ultimately solving the problem of insufficient shearing force in overhead pruning.

The utility model discloses a blade laser quenching processing device which comprises a six-axis robot and a processing machine tool main body, a clamping and rotating main machine head is installed on the processing machine tool main body, a blade handle of a blade to be processed is clamped on a three-jaw chuck of the rotating main machine head, and the six-axis robot is located behind the middle of the processing machine tool main body. A laser irradiation head is mounted at the end part of a mechanical arm of the six-axis robot and faces the surface of the part, needing to be quenched, of the blade; the outer wall surface of a to-be-quenched part at the left part of the blade is coated with an alloy powder layer; and laser of the laser irradiation head irradiates the alloy powder layer. A laser irradiation head is installed at the end of a mechanical arm of the six-axis robot, quenching is achieved by heating an alloy powder layer coated on a blade through laser, the hardness of the quenched position of the blade is further improved, and the six-axis robot can be automatically moved away when not in use, so that different use requirements of a machining machine tool body are met.

1. Name of the product in this design: Saw Blade Handle (A). 2. Purpose of this design: A saw blade handle for fixing a saw blade and for hand use. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.