93 results about "Trimmer" patented technology

A reversible line blade for a rotating trimmer includes a loading section configured to be securable for rotation with a head of the rotating trimmer, a living hinge extending from the loading section, a transition section extending from the living hinge, and a cutting segment extending from the transition section. At least one of the transition section and the cutting segment has a cross-sectional shape that is configured to generate an updraft when the line blade is rotated clockwise and when the line blade is rotated counter-clockwise.

A spool and a trimmer head. The trimmer head includes a housing defining a cavity and rotatable about an axis. A spool is supported in the cavity and operable to support line to be dispensed. The spool is movable along the axis relative to the housing, and the spool and the housing define cooperating conical surfaces to center the spool during movement of the spool toward and in a position relative to the housing.

A string trimmer includes a handle unit including a handle unit housing that defines a grip portion and a battery receptacle. The string trimmer also includes a head unit including a head unit housing, an electric motor, and a rotatable trimmer head. The string trimmer further includes a shaft assembly coupling the handle unit to the head unit. The string trimmer also includes a circuit board assembly supported within the head unit housing. The circuit board assembly includes a heat sink and a circuit board that comprises a controller configured to control the electric motor.

1. The name of the design product: inner line edging machine. 2. The use of the design product: for wood inner frame edging. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. The name of the design product: wood veneer trimmer. 2. The use of the design product: the design product is used for trimming excess wood veneer and edge banding. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The invention provides a method for improving the production efficiency of a high-efficiency spring steel wire, and relates to the technical field of spring steel wire production.The method comprises the following steps that multi-source physical quantities in the spring steel wire winding process are collected in real time, and the multi-source physical quantities comprise steel wire tension distribution, the bending rod curvature radius, a roller temperature field and an equipment vibration frequency spectrum; based on the obtained multi-source physical quantity, a torque instruction, a rotating speed instruction and a bending radius compensation amount are generated through a dynamic collaborative mapping function; according to the generated instruction, a servo motor set is driven to adjust the wire feeding speed and the angular speed of a roller, and meanwhile a piezoelectric trimmer is controlled to correct the bending radius; and adopting a reinforcement learning strategy to optimize control parameters on line, and dynamically updating a mapping function according to winding quality feedback. According to the method, the problem that the remodeling debugging time is long can be effectively solved, the wire breakage rate can be remarkably reduced, and the size consistency can be effectively improved.

1. The name of the product of this design: trimmer main unit (four-in-one). 2. Purpose of the product of this design: the main part of a trimmer used for trimming human hair. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

1. Name of the product in this design: Cover (UH-30). 2. Purpose of this design: To cover the body of the trimmer. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present disclosure relates to a bandgap reference circuit, a clock signal generator, and a power circuit. A bandgap reference circuit includes a plurality of current sources having different temperature coefficients, a first trimmer, and a mixer. The first trimmer adjusts amounts of a plurality of currents individually output from each of the plurality of current sources to be equal to each other. The mixer adjusts an aggregation ratio and combines the plurality of currents based on the aggregation ratio.

1. The name of the design product: double-head trimmer (BS553). 2. The use of the design product: for trimmer. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Systems and methods for magnitude and phase trimming are provided. In one aspect, a radio frequency (RF) trimmer circuit includes an input terminal configured to receive an RF signal, an output terminal configured to output the RF signal, a control input configured to receive a control signal, at least one impedance element, and at least one transistor configured to selectively connect the impedance element onto a path between the input and output terminals. The selectively connecting the impedance element controls at least one of a magnitude trim and a phase trim of the RF signal.

A head of the trimmer includes a fixed blade and vibrating blade joined together through a block in a manner allowing vibration of the vibrating blade relative to the fixed blade. A block is attached to the vibrating blade in a removable fashion, and resides within a slot which allows the vibrating blade and block to slide relative to the fixed blade and remain connected to the fixed blade. The block can be removed, flipped and reattached, with the block being provided with top and bottom offsets which are different in size from each other, such that flipping of the block causes a tip line of teeth of the vibrating blade to have a different offset with a tip line of teeth of the fixed blade. The trimmer can thus be reconfigured between a standard configuration and a tight configuration, the tight configuration cutting hair shorter than the standard configuration.

A string trimmer assembly includes a trimmer head rotatably driven by a drive shaft and defining a cavity, a spool supported in the cavity of the trimmer head and operable to support line to be dispensed, which is dispensable though an opening in the trimmer head, and a bump protruding from a distal end of the trimmer head. The bump includes a wear surface on a terminating end of the bump, and the wear surface and the opening define a cutting height.

A spool and a trimmer head. The trimmer head includes a housing defining a cavity and rotatable about an axis. A spool is supported in the cavity and operable to support line to be dispensed. The spool is movable along the axis relative to the housing, and the spool and the housing define cooperating conical surfaces to center the spool during movement of the spool toward and in a position relative to the housing.

1. The name of the product under this design: trimmer. 2. Purpose of this design product: used for dressing honing wheels. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. Name of the designed product: shaver (V1161 trimmer set). 2. Use of the designed product: for shaver. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

Provided is a ground following trimmer having a frame, a trimmer, and a height adjustment suspension. The trimmer extends between the frame right side and the frame left side. The height adjustment suspension has a slider-crank mechanism engaged with the frame and having a crank and a slider. The crank defines a height adjustment axis about which the crank is rotatably engaged to the frame, and a roller axis offset from the height adjustment axis by a fixed crank distance. The slider has a first slider end engaged to the frame, and a second slider end engaged to the crank to transmit work from the slider to the crank to rotate the crank with respect to the frame about the height adjustment axis. Rotation of the crank about the height adjustment axis changes the position of the roller axis in the height direction.

Techniques for providing a gain trim term in the counter for a current sensor control loop are described. This creates a linear gain-trim relationship with respect to the trim code. This linear relationship reduces the dynamic range required by the DAC, allowing the use of lower-resolution DACs to smoothly adjust the gain while maintaining stability and accuracy.

The invention relates to a carrying device, in particular an exoskeleton, for a working device (2) such as a hedge trimmer, comprising a carrying arm (3) which supports at least a portion of the weight of the working device (2). A drive (9) for adjusting the height (h) of the working device (2) above the ground (7) is provided, which drive is controlled by a control unit (10). A monitoring unit (11) with sensors (12, 13, 14) is provided on the working device (2), which transmits sensor signals and / or operating signals based on sensor signals to the control unit (10). For this purpose, the control unit (10) and the monitoring unit (11) are connected to one another via a wireless connection (15). The control unit (10) is designed to set various support modes and the height (h) of the working device (2) depending on the operating signals transmitted by the monitoring unit (11).

1. The name of the design product: trimmer (electric caterpillar type). 2. The use of the design product: the design product is used for the tool of bush trimming. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

Trimming device comprising: a first trimming element (33) including a first cutting edge (33f) and a body portion (33A), the first trimming element (33) being movable in a first direction and being dispensable within a cylindrical workpiece (W); a second trimming element (31A, 31B) including a second cutting edge (31f) and arranged such that a lateral portion of the cylindrical workpiece (W) is between the first cutting edge (33f) and the second cutting edge (31f); and a movement mechanism (40) configured to move at least one of the first trimming element (33) or the second trimming element (31A, 31B) in a second direction orthogonal to the first direction, wherein the trimming device moves at least one of the first trimming element (33) or the second trimming element (31A, 31B) in the second direction to trim another end portion of the cylindrical workpiece (W) with the first cutting edge (33f) and the second cutting edge (31f), wherein the trimming device is configured so that: in the state in which the first trimming element (33) is arranged within the cylindrical workpiece (W), a first gap is created between the first cutting edge (33f) and the cylindrical workpiece (W); and when at least one of the first trimming element (33) or the second trimming element (31A, 31B) is moved in the second direction and the first cutting edge (33f) and the second cutting edge (31f) trim the other end portion of the cylindrical workpiece (W), a second gap is created between the body portion (33A) and the cylindrical workpiece (W), wherein the trimming device further includes a guide element (100A, 100B) arranged in the second gap, and wherein the guide element (100A, 100B) comprises: a workpiece holding portion (110A and 110B) which holds the inner side surface of the cylindrical workpiece (W); and an element (120A, 120B) which is elastically deformable and connects the body part region (33A) and the workpiece holding part region (110A and 110B), whereby the guide member (100A, 100B) suppresses tilting of the cylindrical workpiece (W) when the other end portion of the cylindrical workpiece (W) is trimmed by at least the first cutting edge (33f) and the second cutting edge (31f) by being arranged in the second gap in contact with the cylindrical workpiece (W); and the guide element (100A, 100B) deforms elastically when subjected to a force in the second direction.

A trimmer head for vegetation trimming and cutting machines. The trimmer head including a housing; a cutting blade; a cutting blade shield with a plurality of through-openings; and a blowing air assembly that has at least one blowing nozzle pointing to the blade shield openings such that, in operation, a blowing air flow is directed from the blowing nozzle towards the blade shield openings.

1. The name of the design product: edge band trimmer (MTT3S). 2. The use of the design product: for edge band trimming and chamfering of wood boards. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a wide belt trimmer which comprises an engine, a first connecting rod is arranged on the engine, an auxiliary assembly and a control switch are installed on the first connecting rod, one end of the first connecting rod is connected with a second connecting rod through a hoop, one end of the second connecting rod is provided with a trimming saw, and an expansion assembly is arranged on the trimming saw. The angle of the adjusting grab handle on the pruning machine can be adjusted, so that the pruning machine can be suitable for holding modes and holding angles of different users, the holding effect can be better guaranteed, the pruning effect can be better guaranteed, and by arranging the expansion assembly, the pruning efficiency can be improved in the pruning process of hedges, shrubs, lawns and other plants. According to the multifunctional trimmer, the trimming saw of the trimmer can be expanded, so that the trimming range can be enlarged, meanwhile, the situation that chippings generated by trimming splash to hurt the face of a user can be avoided, and therefore the personal safety can be better protected.

A trimmer and a trimmer head include an upper cover assembly being connected to and driven by a motor, wherein the upper cover assembly is configured to be removably connected to at least one of a first trimming assembly or a second trimming assembly selectively, and is provided with at least one connection hole in its side wall; the first trimming assembly is configured to include a first lower cover, a first cutting member, and a first base; the second trimming assembly is configured to include a second lower cover, a second cutting member, and a second base; wherein the first base is at least partially inserted into the connection hole when the first trimming assembly is mounted, and the second lower cover is at least partially inserted into the connection hole when the second trimming assembly is mounted.

The utility model provides a kind of electric power stay wire weeding machine, it is related to stay wire weeding field.The weeding machine includes: positioning member, its outer side wall is provided with the linear positioning slot of through type;Compression assembly, including the positioning wheel and the compression wheel of each other clamping cooperation, positioning wheel and compression wheel are located the two sides of linear positioning slot respectively;Cutting structure, including two cutting wheels and first power mechanism, two cutting wheels rotatably set in the two sides of linear positioning slot and can be mutually cutting cooperation, first power mechanism is used to drive two cutting wheels to carry out cutting movement;Second power mechanism, including power wheel and drive structure, power wheel rotatably set in the side of linear positioning slot;Power supply, set on positioning member, for the power supply of electric equipment in first power mechanism and second power mechanism.This application does not need artificial to climb or handheld equipment operation, moves along stay wire autonomously by equipment, completely breaks through the height limit that high place vine is difficult to reach.

1. The name of the product under this design: trimmer. 2. Purpose of the product of this design: a trimmer used for trimming the edges of plates. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the product of this design: Trimmer (1065). 2. Purpose of this design product: used for trimming the edges or corners of materials. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the product under this design: trimmer. 2. Purpose of this design product: for pruning operations. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a trimmer which comprises a swing arm connected with a driving device and a grinding head movably connected with the swing arm, one end of the swing arm is connected with the driving device, the other end of the swing arm is movably connected with the grinding head, and the diameter of the grinding head is larger than that of a wafer. When the diameter of the grinding head is larger than the diameter of the wafer, especially when the diameter of the grinding head reaches 1.2-1.3 times of the diameter of the wafer, even if the swing amplitude and the swing frequency of the grinding head are reduced, full coverage of the using area of the wafer can still be achieved, so that periodic non-finishing areas are avoided, and meanwhile due to the fact that full coverage of the using area is achieved, the service life of the wafer is prolonged. Residual pollutants can be effectively removed, and secondary damage to the wafer is avoided.