Abstract: An apparatus and method for control of undesired vegetation. A renewable power source, tractor, and high intensity light source are provided and moved over an area of land. Exposure of unwanted vegetation to the high intensity light kills the unwanted vegetation.

Abstract: There is disclosed a lawn apparatus. In an embodiment, the lawn aerator apparatus, comprises: a plurality of lawn aerator mounting wheels configured to rotate independently, each lawn aerator mounting wheel having one of five or six tines mounted thereto; a lawn aerator chassis for mounting the plurality of lawn aerator wheels on a fixed structural shaft, each lawn aerator wheel having a sleeve with bearings; and a handle for operating the lawn aerator apparatus by turning the plurality of lawn aerator wheels about the fixed structural shaft.

Abstract: A coupling device is disclosed which is designed as a hook with a hook body, an opening that allows the mating part of the attachment to enter the hook body, a guideway and a shoulder to counter any offset between the mating part of the attachment to the hook. Furthermore, the coupling device includes a locking latch that protrudes into the opening of the hook body and locks the mating part of the attachment in order to engage the mating part with the hook body, thereby retaining the mating part in a locked position. In an embodiment, the locking latch has a geometry that limits the motion of the locking latch and generates a motion curve. Furthermore, the locking latch moves on a motion curve to allow the locking latch to release the opening in order to allow the mating pan to enter the socket.

Abstract: The invention relates to lifting and adjusting devices for agricultural equipment. The attachment system includes a mounting frame with fastening means for its attachment to the vehicle, and an implement bearing frame capable of vertical movement relative to the mounting frame under the action of lifting devices fixed on the sides of the mounting frame; and a framework located in front of the agricultural implement for installing at least one safety device. By all the design features of the invention, the attachment system enhances the operational efficiency of agricultural equipment by reducing the probability of its damage at obstacle collision, improving operator safety, and preserving the environment.

Abstract: To provide an automatic traveling device capable of automatically traveling along a desired route without performing positioning. An automatic traveling device 100 is a device that performs predetermined work on crops S which are detection targets arranged in its traveling direction. A camera 101 acquires image data by capturing an image of the crops S in the traveling direction of the automatic traveling device 100. The recognition unit 102 disposes a plurality of determination windows (such as determination windows 1L and 1R) at positions determined in advance with respect to the image data, and recognizes the crops S in the plurality of determination windows 1R and the like. The adjustment unit 104 adjusts the traveling direction of the automatic traveling device 100 on the basis of a result of recognition performed by the recognition unit 102.

Abstract: A mechanism and technology for inhibiting methane production in paddy, which mixes the oscillating magnet composition with a weight ratio of 400 to 500 kilograms per 666 square meters into the soil of the paddy, so as to increase the dissolved oxygen in the soil, to inhibit the generation of methanogens, and then reduce the amount of methane production; wherein, the composition weight percentage of the oscillating magnet composition includes 72%˜82% far-infrared natural mineral base material, 10%˜18% biochar, 2%˜5% seaweed element and activated water agent composed of 3%˜5% of a natural ore; the far-infrared natural mineral base material can emit far-infrared rays, make the water molecules cluster smaller, and the smaller water molecules are easier to penetrate the biofilm.

Abstract: A cutting device for cutting plants is provided, and includes at least one cutting unit. The cutting unit has at least one probe element, which is fastened to a holding element and is intended for determining an extent of a plant. Furthermore, the cutting unit has at least one cutting element, which is fastened to a further holding element and is intended for cutting the plant depending on the extent. The cutting unit has at least two frame coupling elements. At least one of the holding elements is coupled to a cutting device frame by means of the frame coupling elements. The holding elements are arranged movably relative to one another.

Abstract: In one aspect, the present subject matter is directed to a header-based harvesting system for agricultural harvesters that includes a header configured to be removably coupled to a front end of a harvester. The header includes a header frame and a base cutter assembly coupled to the header frame in a floating arrangement. Additionally, the system includes an actuator coupled between the header frame and the base cutter assembly, and a hydraulic circuit in fluid communication with the actuator. The hydraulic circuit is configured to allow pressurized hydraulic fluid to be supplied to the actuator for regulating the floating movement of the base cutter assembly relative to the header frame.

Abstract: A walk-behind mower has a mower deck, a plurality of wheels, a head, and a plurality of light sources. The wheels are rotatably coupled to the mower deck. The wheels move the walk-behind mower over a support surface in a forward direction and a rearward direction. The head is coupled to the mower deck. The head can store at least one battery pack. The light sources are coupled to at least one of the mower deck and the head. The light sources project light through a continuous illumination angle about the walk-behind mower. The illumination angle extends along an arc from the forward direction toward the rearward direction and is at least 90 degrees.

Abstract: A mower blade device includes an elongated central frame having a top surface, a bottom surface, a first end and a second end. A spindle bolt hole is positioned along the center of the frame for connecting the frame to a lawn mower. A pair of cutting attachments are connected onto the first and second ends of the frame. Each of the cutting attachments including a leading edge having a sharpened cutting surface. The first and second cutting attachments can include identical shaped and sized cutting surfaces or dissimilar shaped and sized cutting surfaces. A cleaning brush attachment includes an elongated bracket and an n-shaped frame having a plurality of bristles extending outward therefrom. The bracket is removably connected to the bottom end of the central frame to permit the bristles to clean the blade housing of a lawn mower to which the device is connected.

Abstract: A garden tool includes a drive shaft, a driven implement, and a locking cap configured to removably secure the drive shaft and the driven implement relative to each other. The locking cap is self-locking to inhibit loosening. The locking cap may include a ratchet mechanism. The garden tool may include a vegetation cutter.

Abstract: A method for determining crop yield may include receiving yield data, associated respectively with a plurality of harvester machines. The method may further include determining a primary harvester machine, where the primary harvester machine is associated with a largest total harvested area of the plurality of total harvested areas. The method may also include determining a plurality of adjacent harvested areas associated, respectively, with each of the plurality of harvester machines, other than the primary harvester machine, and determining a secondary harvester machine, where the secondary harvester machine is associated with a largest adjacent harvested area of the plurality of adjacent harvested areas. The method may include adjusting a yield measurement associated with the secondary harvester machine using yield measurements associated with the primary harvester machine and generating calibrated yield data including the adjusted yield measurements.

Abstract: Systems and methods for monitoring a weight of agricultural material, such as grain, unloaded from a first vehicle, such as a harvester (e.g., a combine harvester), to a second vehicle, such as a grain cart, and stopping transfer of the agricultural material when a sensed weight of the unloaded agricultural material contained in the second vehicle meets or exceeds a selected amount are disclosed. Example systems and methods may also include monitoring a fill level of agricultural material unloaded into the second vehicle simultaneously with monitoring the weight of unloaded agricultural material.

Abstract: A rotor for an agricultural implement such as a self-propelled harvester. The rotor includes a surface and one or more rasp bars which comprise a crop engaging portion that is immobile relative to the surface and a crop engaging portion that is movable relative to the surface, in that a distance between at least part of the movable portion and the surface of the rotor is variable. One of the crop engaging portions is a primary portion configured to engage with crop regardless of whether it is movable or not, while the other is a secondary portion that comprises a crop engaging feature such as a tooth for increasing traction on the crop. The crop engaging feature is activated, by either extending radially outwardly from the primary portion, or deactivated by lying at a same radial position or radially inwardly of the primary portion.

Abstract: A threshing concave for an agricultural combine for harvesting different types of crops is disclosed. The concave has a curved frame comprising two curved end members extending between two side members, a plurality of threshing bars, each threshing bar extending between the two curved end members, and a plurality of threshing plates, each threshing plate extending between the two curved end members.

Abstract: An agricultural machine includes: a machine frame; and a feeder system coupled with the machine frame and including a windguard assembly, the windguard assembly being configured for selectively occupying a first position and a second position, the first position being associated with a normal flow direction of a crop material relative to the feeder system, the second position being associated with a reversal of the normal flow direction of the crop material.

Abstract: A robot comprises an auger-based drive system, a memory, and a processor coupled with the memory and configured to control movement of the robot, via the auger-based drive system, relative to grain in a grain bin. The processor is further configured to direct performance of a maintenance traversal, by the robot, of a surface of a pile of the grain during a storage period of the grain. The maintenance traversal disperses a layer of the grain on and near the surface and thus hinders crust formation on the surface during the storage period. The dispersal is effected by rotation of augers of the auger-based drive system during the maintenance traversal.

Abstract: A field-configurable apparatus for different aerial applications is provided. The field-configurable apparatus attaches to an aerial boom on a mobile carrier. The apparatus can perform rapid semi-precise cutting of vegetation. Additionally, the apparatus can perform more precise trimming of one or more areas (e.g., limbs) and optionally use a limb clamp to prevent cut limbs/vegetation from arbitrarily falling on objects below the cutting area. Still further, the apparatus can have a grapple or similar device attached to the end of the boom for use in relocating debris or for loading debris. Other industrial applications are also possible (e.g., commercial water blasting, deicing of planes, etc.). In each configuration, the apparatus comprises one or more rotatable or pivoting couplings to allow for rotation about one or more axis and therefore allow precise manipulation of an aerial tool assembly from an operator in the vehicle or on the ground.

Abstract: A blade has a flat body with a first side, a second side, an aperture extending between the first side and the second side, and an outer peripheral edge. The aperture has a central axis defining an axis of rotation. A plurality of teeth is formed along a portion of the outer peripheral edge forming a cutting edge. Each of the teeth has a tip that is a radial outermost part of the flat body in a plane defined by the tip and the central axis of the aperture. The cutting edge has a first end and a second end. The distance between each tip of the teeth increases from the first end of the cutting edge to the second end thereof. The distance between each tip and the central axis increases from the first end of the cutting edge to the second end thereof.

Abstract: Various embodiments disclosed herein relate to horticulture lighting and control. In an embodiment, a method of operating a horticulture system includes, at a client device, establishing a connection to a recipe creation service, providing, to the recipe creation service, harvest data corresponding to a completed harvest cycle of a plant and comprising results and parameters of the completed harvest cycle, and providing, to the recipe creation service, inputs corresponding to an upcoming harvest cycle. The method also includes, at the recipe creation service, generating a grow recipe for the upcoming harvest cycle based on the harvest data and the inputs and providing the grow recipe to the client device. The method further includes, at the client device, providing the grow recipe to a mechanical grow apparatus comprising LED lights and a controller to control the LED lights for the upcoming harvest cycle based on the grow recipe.

Abstract: A seedling carrying device is provided, including a main body configured to support a seed tray, support parts connected to both sides of one side of the main body, a strap part including two terminals connected to the support parts and configured to be placed on a user's shoulder, and a reinforcing part connected to a center portion of the other side of the main body and connected to a center portion of the strap part.

Abstract: A large plant bagging and planting system that is comprised of a hopper surge bin, a first and second workstation. The workstations are connected at or near the center between them, and each respective workstation has a set of walls, or a circular wall, that tapers inward from a wider top opening to a smaller bottom opening, and there is at least one gate located below the walls or circular wall. There is also at least one gate located below each respective workstation. There is also at least one control arm configured to manipulate and hold a large plant into position within a grow bag while potting media that has been placed in the hopper surge bin, is released from at least one workstation via the at least one gate, in am amount appropriate to fill the grow bad to desired depth.

Abstract: A heat fusion-type horticultural binder includes: an operation sensor detecting a binding operation in which the handle frame and the arm are pressed; and the power supply device controlled to supply power for a heating wire to the fusion heating wire during the binding operation detected by the operation sensor wherein the power supply device includes a power conversion unit generating power for a heating wire to be supplied to the fusion heating wire from a battery, a heating wire driving unit controlled to supply the generated power for a heating wire to the fusion heating wire or cut off the power supply and a controller controlling the heating wire driving unit to supply power for a heating wire to the fusion heating wire for a predetermined fusion time during the binding operation.

Abstract: A film for covering agricultural structures, including: a) a polymeric film having one or more layers, wherein at least one of the layers includes one or more UV stabilisers; and b) a coating on at least one outer surface of the polymeric film, the coating including at least one layer containing a polymer, such that the film has an oxygen permeability below 500 ml/m2/bar/day at 23° C. and 0% relative humidity, as measured according to EN ISO 15105-2.

Abstract: Systems, methods, apparatuses, and computer program products for a greenhouse indoor environment controller based on model predictive control (MPC), which can be integrated into existing greenhouse regulatory systems to optimally maintain critical climatic variables, including artificial lighting levels, CO2, indoor temperature, and humidity levels within acceptable limits. The objectives of the MPC may be to maximize the rate of crop photosynthesis while optimizing the use of the available water and energy resources, taking into account the unpredictability and intermittent nature of renewable energies and external atmospheric conditions. Accordingly, certain embodiments may facilitate the management of greenhouses by anticipating control actions for a better quality of production.

Abstract: A pasture grass substrate includes a dry material and water. The dry material includes pasture grasses, corncobs and rice brans. The weight ratio of the pasture grasses in the dry material is from 55% to 75%. The weight ratio of the corncobs in the dry material is from 20% to 30%. The weight ratio of the rice brans in the dry material is from 5% to 15%. The incubating methods of mushrooms are also disclosed.

Abstract: A mycelium growth bed for optimal production of pure mycelium or a pure mycelium composite with controlled or predictable properties, the bed comprising a tray, a conveying platform, a permeable membrane, a substrate, and a porous material. The permeable membrane is positioned on the conveying platform within the tray. The substrate is positioned on the permeable membrane and the porous material is positioned on top of the substrate. The system provides a configuration wherein the CO2 concentration is held above 3%, the relative humidity is held above 40% and the O2 concentration is held below 20% in steady state conditions to produce leather-like mycelium without fruiting bodies.

Abstract: Provided is a tomato plant that satisfies Formula (1) and the application: 6.0?L/X?30.0??(1) wherein, in the formula, in a case where the tomato plant does not have a side branch, L represents a length in cm unit from a planting surface to a growth point of a main branch, and X represents a sum of the number of flower clusters and fruit clusters of the main branch, and in a case where the tomato plant has a side branch, L represents a length in cm unit from the planting surface to the growth point of one main branch or side branch, and X represents a sum of the number of flower clusters and fruit clusters of the one main branch or side branch, and where X is an integer of 2 or more.

Abstract: A tree grubber implement for secure releasable attachment to a powered mobile vehicle such as skid steer includes a mounting plate having a configuration for attachment to the vehicle, an arm having a proximate end coupled to the mounting plate, and a foot coupled at an angle to a distal end of the arm. The foot has at least two spaced apart claws extending substantially downwardly and inwardly toward the vehicle.

Abstract: The invention taught is a method and apparatus to mix a special polymer, hot water or other hot water material containing additives and a special mixture of dry growing substances mixed in a particular way so that they may be applied to structures such as to ceilings, walls, and any grade of vertical slants, commercial roofs, courtyards, indoor and outdoor applications. The purpose is to coat any surface and grow any plant for any reason be it erosion control, beautification of an area. The invention would help in reforestation after fires and such. This invention has a wide range of applications and so it is impossible to limit it to just one of these applications.

Abstract: A drip irrigator for film-mulching drip irrigation, a film-mulching irrigation assembly and an installation method of the film-mulching irrigation assembly are provided. The drip irrigator includes a main pipeline, branch pipes and emitters. Emitter are arranged on an upper surface of the branch pipe and communicate with the branch pipe, water outlet holes are formed in inner and outer ring walls of an annular pipeline, and an opening end of the main pipeline communicates with a water conveying pipeline. By arranging emitters on the upper surface of each branch pipe, the emitters can be effectively prevented from being blocked by wet soil. Meanwhile, the water outlet holes can perform the drip irrigation to the ground simultaneously, and the overall efficiency of drip irrigation to the soil is guaranteed.

Abstract: A crop irrigation method based on a salt leaching fraction disclosed. The method includes: calculating a salt leaching fraction of crops by combining a salt stress and effect of water quality on an irrigation amount of the crops, controlling an irrigation apparatus to perform irrigation and drainage operations by monitoring water and salt in a soil depth corresponding to crop roots, and removing excess salt from the crop roots, thus reducing the salt stress on crop growth, ensuring a crop yield, and reducing waste of water resources while realizing efficient utilization of existing water resources.

Abstract: An unlimited number of water control valves and moisture sensors may be installed during original construction and/or during a retrofitting of an irrigation system. Individual control valves may have a downstream side distributing water or otherwise providing or controlling irrigation. The control valves may have an upstream side or control side being connected to an irrigation program server, the irrigation program server eschewing the need or use of a central controller, by providing individual control to each control valve. Wireless and energy efficient valve control may be provided by using a vault and buoy system sending and receiving information and instructions to a gateway with the gateway in wireless communion with a cloud storage and communication system with in turn may be wirelessly in connection with a irrigation program server. An end consumer may use a smart phone or other device to program and/or monitor irrigation functions.

Abstract: A hydroponic system is provided. One such system comprises a reservoir, flexible fluid table and support system. The reservoir comprising a first plurality of apertures. The flexible fluid table is substantially encapsulated by the reservoir. The support system comprises at least one flexible fluid table support and a coupling system. A first portion of the coupling system surrounds at least a portion of the reservoir and a second portion of the coupling system at least one of directly and indirectly couples the at least one flexible fluid table support to the flexible fluid table.

Abstract: A grow space automation system. The system includes growing plants in grow modules that are individually moveable. One or more mobile robots can navigate around a grow space, bring any grow module from one location to another, and perform grow space operations. The grow space operations can be automated using robot-based actuation of automation fixtures. Interactions with plants can also be achieved via robot attachments. The grow space is configured to allow maximum grow tray density while still maintaining traveling pathways for the mobile robots. Multiple mobile robots move about the grow space in their respective travel zones in coordination with one another via navigation planners. Multi-robot coordination can also be achieved using a central server. Local leveling of grow trays can be achieved via laser levels.

Abstract: An automated plant cultivation system is provided having multi-tiered vertically arranged horizontal magazine structures each employing seed or plant capsules with a fluid circulation and illumination and communication network controlled by an on-board processor. Particularly, the system includes a magazine structure having seed/plant capsules within seed/plant reservoirs alternately arranged between at least one of a light source substantially concealed from direct viewing. A fluid channel extends across a long axis of the magazine structure, wherein the magazine structure is adapted for use of seed/plant capsules with nutrient composite plant growth cultivation, hydroponic plant growth cultivation, aeroponic plant growth cultivation methods or combinations thereof.

Abstract: The present invention relates to Cucumis melo (C. melo) plants with resistance to Scab disease, aphids and Powdery Mildew (PM) combined with desirable agronomic traits. The present invention also provides methods of making such plants, and to methods of detecting and/or selecting such plants.

Abstract: The present invention provides a method for improving a one-time seedling rate of microspore embryoids of Brassica campestris ssp. Chinensis Makino, including the steps of: spraying 6-BA onto a flower bud of a plant; sterilizing the flower bud with alcohol and HgCl2; releasing microspores, filtering and centrifuging to obtain purified microspores; diluting the microspores with a NLN medium, subpackaging into culture dishes, and adding phytic acid; finally, subjecting to heat shock treatment and transferring to culture in the dark until embryoids appear, and then conducting shaking culture; transferring the cultured embryos in a cotyledon stage onto a MS medium for differentiation culture, wherein the culture conditions are: 4° C., 14 h of illumination by blue-red compound light/day, and 14 days of culture; and then continuing to culture under the condition of 25° C. and 14 h of illumination by blue-red compound light/day until seedlings.

Abstract: A soybean cultivar designated 10632503 is disclosed. The invention relates to the seeds of soybean cultivar 10632503, to the plants of soybean cultivar 10632503, to the plant parts of soybean cultivar 10632503, and to methods for producing progeny of soybean cultivar 10632503. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. The invention also relates to soybean cultivars or breeding cultivars, and plant parts derived from soybean cultivar 10632503. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 10632503, and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants, and plant parts produced by crossing cultivar 10632503 with another soybean cultivar.

Abstract: The present invention provides constructs comprising a WUSCHEL-like homeobox 2a (WOX2A) gene, methods of using these constructs to induce somatic embryogenesis in a plant tissue, and plants produced using these methods.

Abstract: A Solanum lycopersicum plant including a QTL giving the plant improved resistance to Tomato Brown Rugose Fruit virus, compared to a plant without the QTL, and wherein the QTL is introgressed from S. pimpinellifolium and is to be found on chromosome 9, within the chromosomal region delimited by the SNP TO-0201220 (SEQ ID NO:1) and the SNP having SEQ ID NO:101 or on chromosome 11, within the chromosomal region delimited by markers having SEQ ID NO:102 and 115. The QTL may be chosen from those present in the genome of a plant of the seeds LVSTBRFVRES2 NCIMB accession number 43591. The QTL includes defined alleles of different SNPs on chromosome 9 or 11.

Abstract: The invention provides seeds and plants of tomato hybrid SVTM9030, tomato line PSQ-9Z15-3849V, and tomato line PSQ-9Z19-9229. The invention thus relates to the plants, seeds, plant parts, and tissue cultures of tomato hybrid SVTM9030, tomato line PSQ-9Z15-3849V, and tomato line PSQ-9Z19-9229 and to methods for producing a tomato plant produced by crossing such plants with themselves or with another plant, such as a tomato plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to plants, seeds, plant parts, and tissue cultures of tomato hybrid SVTM9030, tomato line PSQ-9Z15-3849V, and tomato line PSQ-9Z19-9229 comprising introduced beneficial or desirable traits.

Abstract: This invention relates to methods and materials for modulating the characteristics of a plant, said plant having been heterologously disposed to an endophyte or a plurality of endophytes, or derived from a plant reproductive element heterologously disposed to an endophyte or a plurality of endophytes.

Abstract: A type of cat litter and its preparation method are provided. The content of this cat litter is calculated according to parts by mass and includes the following components: 100 parts of plant fiber waste, 1-7 parts of bacteriostat, 1-34 parts of deodorant, 1-27 parts of agent, 1-47 parts of binder, 1-94 parts of water-absorbing agent and 20-80 parts of water, wherein the bacteriostatic agent includes a mesoporous solid base.

Abstract: A modular animal bed includes a base and sidewalls coupled to the base to define a cavity. One or more inserts are positionable in the cavity to separate the cavity into a first cavity and a second cavity. An animal can lay on the insert or the sidewalls to provide support for their spine and hips. The bed may further include a removable and washable cover on the base, the sidewalls, and the insert.

Abstract: An animal tether system and method wherein the rate of extension and retraction of the tether and/or the length of the tether can be actively controlled at least in part as a function of the angular direction and/or speed and/or length of which the tether extends/retracts. The system can be used to maintain an animal in a non-circular boundary, such as a rectangular space, by controlling how far the tether can extend at certain angular positions. The system also allows a user to block off certain areas within a space from access by the animal.

Abstract: An animal feeder includes a generally rectangular housing having a floor, four sidewalls, and a slanted roof. One of the sidewalls includes a pivotal door for access to the interior of the housing. Each sidewall has an arched feeding opening therethrough extending upwardly from the housing floor. The housing is mounted to a pair of underlying skids. A hitch receiver is mounted to the housing. The animal feeder also has a divider wall extending outwardly from each corner of the housing. A netting may be mounted to the interior of the housing.

Abstract: A water dispenser includes a bottle support area, a bowl and a channel. The bottle support area has a nozzle receiving portion defined by a circular sidewall that is configured to abut a nozzle of a water bottle. The bowl is fluidly connected to the bottle support area. The channel has a pair of first and second sidewalls extending from the nozzle receiving portion to the bowl to fluidly connect the nozzle receiving portion and the bowl. The channel has a maximum diameter that is less than a maximum diameter of the nozzle receiving portion. The channel further includes a pair of first and second protrusions extending from the first and second sidewalls of the channel towards each other. The first and second protrusions define a minimum diameter of the channel.

Abstract: Baits for training in the detection of explosives including triacetone triperoxide (TATP) adsorbed in the form of a solid or gas on a solid support include a cellulosic material, in particular cellulose acetate. Production processes for producing the baits for training in the detection of explosives are also related from acetone, hydrogen peroxide and an acid in a molar ratio, as well as the use of these baits in training dogs for the detection of TATP explosives, are also described.

Abstract: Disclosed is a switching structure for pet pulling piece. The switching structure includes a shell, a string roller is provided inside the shell, a pulling belt is coiled with the string roller, a plurality of protruding stop portions are provided on the string roller in a circle, a switch locking structure is provided on the shell, the string roller is locked through the switch locking structure; an elastic switch structure used in the disclosure is more comfortable in hand when used, can be locked by a pressing down and pulling action, can be unlocked by pushing forward a small switch, and has a more convenient operation.