31983 results about "Knife blades" patented technology

A cutting device includes a base plate, a motor attached to the base plate, a driving cord including a first end and a second end, the first end being attached to the motor, and a cutting assembly. The cutting assembly includes a fixed blade that is fixed to the base plate, and a driven blade that moves with respect to the fixed blade. The second end of the driving cord is attached to the driven blade to move the driven blade with respect to the fixed blade when the motor rotates.

Unfaired fan for aeronautical propulsion. Unfaired propulsive fan (100) comprising at least a first row of blades (110) capable of rotating about a central axis (X). Each of the blades (110) of the first row comprises a streamlined body extending radially from an inner radius Ri to an outer radius Re with respect to the central axis (X) and comprising an intrados (111) and an extrados (112) connecting a leading edge (BA) to a trailing edge (BF). The trailing edge (BF) of the profiled body of each blade (110) of the first row of blades (110) has teeth with spacings (λk) between adjacent tooth apexes that decrease monotonically in a radial direction towards the outer radius Re and the profiled body of each blade (110) of the first row of blades (110) has an activity factor FA between 100 and 225. Figure for the abstract: Fig. 2.

An adjustable bladeset for a hair clipper with a clipper housing includes a stationary blade having a stationary toothed end with a plurality of stationary teeth, an opposite stationary base end and an upper surface, and a moving blade having a moving toothed end with a plurality of moving teeth, the moving blade configured for reciprocal transverse movement relative to the stationary blade on the upper surface. The stationary blade is linearly displaceable relative to the moving blade by action of an adjustment lever on the clipper housing. A blade guide is on the upper surface at the stationary base end, and has at least one toothed strip. The adjustment lever is connected to a blade actuator shaft having at least one toothed cog configured to engage the toothed strip so that rotation of the actuator shaft causes the linear displacement of the stationary blade relative to the moving blade.

Disclosed is a wide-jaw-opening nail clipper, and the nail clipper includes: a first blade head portion formed at a first handle, and an upper blade formed at the first blade head portion, where an upper blade tip extends forward farther than an upper blade tail; a second blade head portion formed at a second handle, where the second blade head portion is provided with a butt-joint position, a lower blade is formed at the second blade head portion, a lower blade tip extends forward farther than a lower blade tail, and the upper blade tip and the lower blade tip both form a pointed cone shape; and the first blade head portion is rotatably connected to the second blade head portion, an elastic member is installed inside a mounting groove, and the first blade head portion and the second blade head portion together form a trimming blade head.

Provided are a fan blade and a neck fan. The fan blade comprises a base, a plurality of outer blades, and a plurality of inner blades. The base is generally circular and protrudes in the middle, including an annular outer disc, a connecting cylinder, and a circular inner disc. The outer disc is annularly arranged on the outside of the bottom end of the connecting cylinder, and the inner disc seals the top end of the connecting cylinder. The inner disc is used for connecting the output shaft of the driving mechanism. The outer blades are annularly arranged on the outside of the outer disc, and the inner blades are annularly arranged on the outside of the inner disc, so that both the outer blades and the inner blades are located on the same side of the base, and the outer blades and the inner blades are spaced apart.

The invention discloses a smoothie machine capable of improving smoothie making efficiency, which comprises a box body, a smoothie barrel mounting part is formed on the box body, a smoothie barrel is arranged on the smoothie barrel mounting part, a rotary spiral knife rest is arranged in the smoothie barrel, the rotary spiral knife rest is connected with a driving piece, and the driving piece drives the rotary spiral knife rest to rotate, so that the smoothie making efficiency is improved. A smoothie outlet is formed in the outer end of the smoothie barrel, the smoothie barrel rotating spiral knife rest comprises an inner-layer rotating blade and an outer-layer rotating blade arranged outside the inner-layer rotating blade, and an annular evaporator is arranged between the inner-layer rotating blade and the outer-layer rotating blade; according to the device, the evaporator is of an annular structure, so that a medium in the smoothie barrel can be in full contact with the inner wall and the outer wall of the evaporator, and the smoothie making efficiency is greatly improved; in addition, when the pressing handle piece is folded to form a horizontal state, the function of pressing the smoothie barrel can be achieved; and the practicability is higher.

A body support structure includes a base, a seat and a backrest, with the backrest connected to the base with a torsion leaf spring. The torsion leaf spring may be configured with a plurality of fingers, and / or one or more flex regions. One or more struts may be connected between the seat or backrest and the base. In another aspect, the seat and / or backrest may be supported with one or more links that provide a counter-intuitive motion. In another aspect, a link may be coupled to a support with a flexible blade.

A tool holder for a tool for machining a workpiece. The tool holder has a cutting insert receptacle for receiving a cutting insert, wherein the cutting insert receptacle has an upper clamping jaw for abutting an upper surface of the cutting insert and a lower clamping jaw for abutting a lower surface of the cutting insert opposite the upper surface. Further, the tool holder has an internal coolant channel extending inside the tool holder between a coolant inlet opening and a coolant outlet opening, wherein an end portion of the coolant channel extending inside the upper clamping jaw along a channel center axis opens into the coolant outlet opening. The coolant outlet opening is arranged at the upper clamping jaw and configured as an elongated opening. A width of the coolant outlet opening is smaller than a height of the coolant outlet opening measured orthogonally to the width of the coolant outlet opening. The end portion of the coolant channel is also elongated in a cross-section orthogonal to the channel center axis. A width of the end portion measured orthogonal to the channel center axis is smaller than a height of the end portion measured orthogonal to the channel center axis and orthogonal to the width of the end portion.

The invention relates to the field of lucid ganoderma processing equipment, and discloses lucid ganoderma slicing equipment which comprises a conveying belt, a portal frame is fixedly mounted on one side of the top of the conveying belt through a support, a movable frame is movably mounted on the lower side in the portal frame, and a variable-pitch shaft is movably mounted on the upper side in the movable frame; two guide rods are fixedly installed on the lower side of the interior of the movable frame, a plurality of movable blocks are evenly and movably installed on the outer diameters of the guide rods, blades are fixedly installed at the bottom ends of the movable blocks, and a sleeve is movably installed in the middle of the interior of the portal frame through two supporting rods; a rotating column is movably mounted at the inner top of the portal frame, the bottom end of the rotating column extends into the sleeve, and a bidirectional spiral groove is formed in the outer diameter of the rotating column. The ganoderma lucidum cutting device can efficiently clean ganoderma lucidum and automatically complete cutting, the blade can vibrate to prevent tearing and breaking during cutting, the slicing thickness is uniform and adjustable, the automation degree is high, and the finished product quality and the production efficiency are effectively improved.

The invention relates to the technical field of grinding machining, and discloses a blade grinding wheel abrasion loss online compensation method which comprises the steps that a dynamic hexagonal detection grid is constructed based on the rotating phase of a grinding wheel, non-repeated high-density sampling is achieved through a Fibonacci spiral expansion path, a detection area is dynamically adjusted to reduce the overlapping rate, and the blade grinding wheel abrasion loss is obtained. Micron-sized wear transition is accurately captured; dispersing the abrasion loss into minimum compensation units, constructing a dynamic state equation in combination with grinding force, dressing displacement and workpiece errors, introducing an attenuation coefficient related to the service life of a dressing wheel, and automatically correcting a model drift error; a grading triggering strategy of residual uncompensated quantity is adopted, dynamic decision making of a processing period is combined, and through integral multiple compensation and a margin temporary storage mechanism, it is ensured that long-term accumulative errors are restrained at the submicron level while overmodulation oscillation is avoided. Through the synergistic effect of space-time coupling detection, discrete-continuous double-domain modeling and intelligent compensation decision, the grinding wheel abrasion compensation precision and the system stability are remarkably improved.

A implement system for powersport vehicles have implements attachable to the powersport vehicles. The implements have a modular electric motor unit that may be toollessly attached to the implement providing operational power to the implement. A mower implement has a mower deck and a suspension assembly that provides a forward rearward pivot axis and a left right pivot axis when hitched to the powersport vehicle. A receiving region for the electric motor unit is positioned in the suspension assembly. The mower deck may be rotated about the left right pivot axis to an upright position and latched at the position. The single motor in the receiving region connecting to three mower blade pulleys for rotating three mower blades by the one electric motor unit utilizing a pulley system.

A shaving razor cartridge. The shaving razor cartridge includes a housing having a front portion and a rear portion and at least one blade having a respective cutting edge. The at least one blade is retained within the housing and is positioned between the front portion and the rear portion. At least one of the front portion and the rear portion has a plurality of dimples extending into a top surface of the housing to a depth of 10 μm to 100 μm. Each of the dimples has an area measured at the top surface of 0.001 mm2 to 0.008 mm2.

A cutter and holder apparatus cuts an object. A body has a first side, a second side and an edge. An insert leg is coupled to the body. A channel is defined between the body and the insert leg for positioning the insert leg below the object and the object within the channel. A blade is coupled to the body and is positioned within the channel for cutting the object. A body link is coupled to the body. A base has a first side, a second side and an edge. A base link is coupled to the base. The body is positioned adjacent to the base and the body link couples with the base link for defining a removable couple and temporarily coupling the body with the base. A keeper is coupled with the base.

The present invention relates to a shear-foil-type cutter system for an electric shaver, said cutter system including an upper cutter having at least one field of perforations and a lower cutter pressed against said upper cutter having a particular dense blade geometry of the lower cutter and large overlap angle with the upper cutter,

Provided is a blade for microtomes which suppresses chipping, has excellent sharpness and durability, and can cut satisfactorily, regardless of the hardness of a sample to be cut out.　This blade for microtomes comprises a blade main body having a flat plate-shaped base portion and a pointed portion 1B formed in a tip portion of the base portion, and a water-repellent DLC thin film 2 formed on the pointed portion 1B, wherein: the contact angle of the water-repellent DLC thin film 2 with respect to water is 90° or more; a radius of curvature (R1) of a tip end E of the pointed portion 1B is 15-150 nm inclusive; a radius of curvature (R2) of a tip end F of a cutting edge including the water-repellent DLC thin film 2 is 30-250 nm inclusive and is greater than the radius of curvature (R1) of the tip end E of the pointed portion 1B; and a film thickness (d) of the water-repellent DLC thin film 2 is 15-150 nm inclusive.

The invention provides a dual-power multi-head electric shaver, which is characterized by comprising a main body housing and a main body bottom case, wherein a detachable multi-head shaving component is arranged above the main body housing, and the shaving component comprises a plurality of screens; and blades are correspondingly arranged in the screens, a first gear set for driving the blades to rotate is arranged below the shaving component, a second gear set for driving the screens to rotate is arranged in the shaving component, and a first motor and a second motor for respectively driving the first gear set and the second gear set to rotate are arranged in the main body housing. The blades and screens of the invention can both rotate, allowing for easy guiding of long and short hair into the screens for cutting, resulting in a cleaner and more uniform shaving effect.

The application provides a razor blade opening and closing control mechanism of a shaver and the shaver, the shaver has a razor assembly, the opening and closing control mechanism has: a cover, a rotating part and a first connecting structure are arranged, the razor assembly of the shaver is connected with the cover; a supporting piece, a rotating connecting part matched with the rotating part is arranged, the cover can rotate relative to the supporting piece; a push and twist piece is connected with the cover and can move relative to the supporting piece, the push and twist piece is provided with a second connecting structure matched with the first connecting structure. The razor blade opening and closing control mechanism of the shaver provides an opening mode completely different from the existing razor blade opening and closing control mechanism, the noise is small when opening, and the defect that the razor blade will immediately pop out due to the mistaken touch of the razor blade is reduced through the arrangement of the opening and closing control mechanism.

Provided are: an aircraft that can fly stably even when water is discharged from a hose installed on the airframe thereof; and an aircraft system that uses the aircraft. This aircraft system comprises: a master aircraft 10; three slave aircrafts 20; and a remote control device 30 that is for making the aircraft fly as a unit. Each slave aircraft 20 has: four rotary blade portions that have propellers 221; and a suspending means 23 that is for suspending a prescribed part of a hose 50 that is for discharging water. The master aircraft has: four first rotary blade portions that have first propellers 121 that have been arranged to rotate in a horizontal plane; four second rotary blade portions that have second propellers 131 that have been arranged to rotate in a vertical plane; and a nozzle 15 on which a tip end part of the hose 50 is installed. The direction of the center axis of the nozzle 15 is parallel to the direction of the rotational axes of the second propellers 131.

A hand tool including a shear assembly is provided, including a first handle, a second handle including a cutting member, and a cutting blade. The cutting blade forms a first opening and a second opening. The first handle is attachable in a first operating mode to the cutting blade at the first opening via a first fastener. The first handle is attachable in a second operating mode to the cutting blade at the second opening via the first fastener. The cutting blade is attached in pivotal arrangement to the second handle via a second fastener.

The invention discloses an environment-friendly steel pipe cutting machine capable of preventing chippings from scattering all around, and belongs to the technical field of steel pipe cutting machining. The environment-friendly steel pipe cutting machine comprises a rack stably placed above the ground, a first motor is fixedly installed on the upper surface of the rack, and a discharging pipe is rotatably installed on the upper surface of the rack in a penetrating mode; a cutting machine shell is installed on the outer side of the discharging pipe in a lifting mode through an air cylinder, meanwhile, a cutting blade is rotatably installed on the inner side of the discharging pipe, a protection pipe is connected to the upper end of the discharging pipe, a cutter hole is formed in the middle of the protection pipe, sliding blocks are symmetrically arranged in the cutter hole in a sliding mode, and corrugated blocking pieces are arranged on the outer sides of the sliding blocks. And meanwhile, a sealing clamping assembly is further arranged on the protection pipe, and a cleaning assembly used for cleaning residual scraps on the inner wall is further arranged on the inner side of the protection pipe. According to the environment-friendly steel pipe cutting machine capable of preventing the chippings from scattering all around, a cutting area can be effectively covered and protected, the chippings are prevented from splashing and scattering, and the chippings can be conveniently collected after cutting is completed.

A novel form of Tweezers, in particular, cosmetic tweezers, include two legs extending in the longitudinal direction. The two legs have connecting ends and free ends with small and big tips, wherein the legs are connected to one another at their connecting ends. The free ends form inner jaw surfaces shaped to hold an object therebetween. Both of the leg's ends are made of thin blade tips with fiber.

Provided is a shaver, including a housing, a stationary blade portion, a movable blade portion, a power portion for driving the movable blade portion to rotate, and a power supply, where the shaver further includes a storage chamber used for storing beard residues and provided within the housing, a fan blade in transmission connection with the power portion, and a channel for the beard residues to flow to the storage chamber; a negative pressure generated by the rotation of the fan blade enables the beard residues to flow through the channel from the movable blade portion and enter the storage chamber. In the present utility model, a fan and an air duct are provided in the shaver, and the beard residues can be collected, thereby facilitating the treatment of the beard residues of the shaver.

The utility model discloses a numerical control blade compact deburring system, and belongs to the field of cutter machining. Comprising a rack, a material disc, a visual identification assembly, a brush assembly, a blowing assembly, a defective product recovery assembly, a weighing assembly, a disc moving assembly, a material bin and a material moving assembly, wherein the visual identification assembly, the brush assembly, the blowing assembly, the defective product recovery assembly, the weighing assembly and the material moving assembly are arranged on the rack; the material moving assembly is used for grabbing numerical control blade pressed blanks and moving the numerical control blade pressed blanks to the brush assembly, the blowing assembly, the defective product recovery assembly and the weighing assembly; the brush assembly is provided with two adjustable brush parts which are oppositely arranged, the blowing assembly is provided with a plurality of first blowing parts and second blowing parts which are oppositely arranged, the weighing assembly is located between the defective product recycling assembly and the tray moving assembly, the blowing assembly is located between the brush assembly and the defective product recycling assembly, and the visual recognition assembly is located above the tray moving assembly. Through the arrangement of the brush assembly and the air blowing assembly, the deburring and cleaning efficiency is improved, and the qualification detection accuracy is improved.

The pet food processor comprises a main machine, an inner barrel, a cover body, a crushing cutter and a driving motor, a heating cavity with an opening in the upper end is formed in the main machine, a heating assembly is arranged on the main machine, the inner barrel is detachably connected to the interior of the heating cavity, the cover body is detachably connected to the opening of the heating cavity of the main machine, and after the cover body is opened, the crushing cutter is arranged on the cover body. The inner barrel can be taken out from the heating cavity, a working cavity with an opening in the upper end is formed in the inner barrel, the crushing cutter comprises a cutter shaft and a blade arranged on the cutter shaft, and a limiting mechanism used for limiting rotation of the inner barrel relative to the main machine is arranged between the main machine and the inner barrel; when the pet food processor is used, food is firstly placed in the working cavity of the inner barrel, the inner barrel is placed in the heating cavity of the main machine, the crushing knife is arranged on the inner barrel, and the cover body is covered, so that the food in the inner barrel can be heated and crushed, the food can be made, and after the cover body is opened and the crushing knife is taken down, the food can be made. Therefore, the pet feeder is convenient to use.

A non-disposable dermaplane razor having a main body, including a handle portion and a cartridge retention portion, a replaceable blade cartridge and, optionally, a removable cover. The cartridge retention portion has a cartridge opening comprising a T-shape having an upper portion and a stem portion extending longitudinally inward from a front face to receive the blade cartridge with an open slot at the bottom of the stem portion, the cartridge including a spine comprising an I-shape with the top horizontal portion and vertical middle portion of the I-shape corresponding to the upper portion and stem portion of the T-shape of the opening, and the bottom horizontal portion of the I-shape extending beyond the slot.

An auto opening folding knife having a blade pivoted from a closed position to a spring urged release open locked position with a combined self-activating sliding auto release and locking arm. The sliding auto release and locking arm is mounted within the knife handle on dual fixed guide and pivot pins within respective arm openings being spring urged there against. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure.

A ceiling fan blade installation structure includes a plurality of fastening units on a ceiling fan body. The fastening unit has an accommodating groove for accommodating a root of the blade. The fastening unit includes an elastic fastening piece. The blade has a corresponding retaining hole. When the root of the blade is inserted into the accommodating groove of the fastening unit, the elastic fastening piece is locked in the retaining hole of the blade, such that the blade is fixed to the ceiling fan body. The blades can be quickly assembled on the ceiling fan body, which shortens the installation time of the blades greatly and reduces the risk of the installer falling.

A hand-held, rotary fabric cutter includes a handle having a blade end and a grip end opposite the blade end configured to be held by a user to support the cutter during use of the cutter to cut a piece of fabric, a rotary blade, and a blade retention system. The rotary blade is configured to be coupled to the blade end of the handle to rotate about an axis. The blade retention system is configured to selectively couple the rotary blade to the handle.

The portable tremella fungus stick hole expanding machine comprises a main machine frame, a hand lifting part, a driving mechanism, a transmission mechanism and a hole expanding mechanism, the hole expanding mechanism is arranged on the main machine frame, the driving mechanism and the transmission mechanism are arranged on the main machine frame and located on one side of the hole expanding mechanism, and the hand lifting part is located above the hole expanding mechanism. The driving mechanism is connected with the transmission mechanism; the transmission mechanism is in transmission connection with the hole expanding mechanism; the hole expanding mechanism comprises a hole expanding support, a rotating assembly and a blade, the hole expanding support is fixed to the main rack, the rotating assembly is installed on the hole expanding support, the first end of the rotating assembly is connected with the transmission mechanism, the second end of the rotating assembly penetrates through the main rack and is connected with the blade, and the driving mechanism drives the blade to rotate sequentially through the transmission mechanism and the rotating assembly. The cutting device is used for cutting a film on a tremella fungus stick to form a notch. According to the utility model, the portability of the tremella fungus stick hole expanding machine is improved, and a cut formed by hole expanding is regular in shape and stable in size, so that the yield and the quality of tremella are improved.

A device for in vivo surgery includes a cutting device rotatable by a hollow drive shaft, the cutting device being formed by a hollow anterior cutting region and a posterior region. The anterior region includes a plurality of longitudinal bore portions that are interconnected by laterally oriented cutting blade portions. The drilling portions are positioned at an angle to each other that together with the cutting blade define a conical mesh structure having a hollow interior cavity. The grid structure defines a plurality of ports between the drilling portion and the blade. A low-pressure region is formed within the hollow interior cavity, in which the cut obstructing material is drawn into the hollow interior cavity through a plurality of ports in the low-pressure region to further draw the obstructing material from the cutting device.