Abstract: A combination garden tool includes an elongate shaft extending along a central longitudinal axis. The shaft has a first end and a second end. A spade extends along the central longitudinal axis. The spade is attached to the first end of the shaft. A multi-tine cultivator extends from the second end of the shaft, generally orthogonally to the central longitudinal axis. A sickle extends from the second end of the shaft, away from the cultivator.

Abstract: Aspects of the disclosure relate to a garden implement that includes a handle, at least one tool member having a pair of flanges extending therefrom, each flange includes a flange bore and a pinion segment that share a common center, the pair of flanges have opposing parallel surfaces that each include the pinion segment, the opposing parallel flange surfaces are spaced apart by a first distance. Also included is at least a first fixing member coupled between the pair of flanges and the handle. The first fixing member includes a boss projecting along a longitudinal axis, the boss has parallel surfaces spaced apart by the first distance, a boss bore, and a curved rack segment projecting from the boss and configured to mesh with at least a portion of the pinion segment. Also included is a fixing shaft insertably received in at least one flange bore and the boss bore.

Abstract: A strip freshener is disclosed that includes a tine having a retention portion and a tooth. The tine is received in a cavity in a mounting member, and the retention portion of the tine is retained by a retaining member that is removably connected to the mounting member. A sleeve is fixedly connected to the mounting member and is connected to a frame. The frame has a spindle assembly that is configured to rotate the sleeve. The frame also has a toe angle assembly and a camber assembly that are configured to adjust the toe angle and camber of the sleeve, respectively, in relation to the frame. The strip freshener can be used to prepare a narrow strip of soil for planting by breaking up the soil, mixing it with air, and adding fertilizer.

Abstract: The present invention relates to using electronics, robotics and sensors to trim the dandelion reproductive cycle. The present invention includes a camera sensor to detect, classify, and distinguish unwanted weeds from wanted green grass in a lawn, and removes and collects the unwanted flowers and seeds so they cannot reproduce doing this all autonomously from a battery powered device transversing the user's grass and lawn. The device also includes a geolocation module to keep it inside a set geofence, obstacle avoidance sensors to prevent hitting trees, shrubs, flowerbeds, pets or humans as it is in operation. The device is environmentally friendly and removes the need for nasty herbicide chemicals to be places on the lawn and is completely green as it can be charged via solar panels. Some implementations may call this an environmentally friendly autonomous dandelion detector and remover.

Abstract: An agricultural vehicle combination including an agricultural tractor, which is operated using a main drive unit, and an ancillary drive unit, which is attached removably to the agricultural tractor by a three-point hitch, and which has an auxiliary axle that can be driven by an ancillary unit including at least one of a combustion engine and an electric motor.

Abstract: A seed-planting implement includes a fluid-driven actuator coupled between a row unit frame and a row cleaner arm such that the actuator is configured to adjust a force being applied to the arm. The actuator, in turn, includes a cylinder and a piston moveable relative to the cylinder, with the cylinder and the piston collectively defining a lift chamber and a down chamber within the actuator. A first valve or pressure regulator is configured to control the flow of fluid into the lift chamber such that the fluid within the lift chamber is maintained at a first non-zero pressure value during a seed-planting operation. A computing system is configured to determine a second pressure value to which the down chamber is to be pressurized and control the operation of a second valve such that the fluid within the down chamber is pressurized to the second value during the seed-planting operation.

Abstract: In a hydraulic adjustment device, preferably for transverse adjustment of the lower links of a three-point power lift on an agricultural machine, with two selectively controllable hydraulic cylinders and a hydraulic control circuit for actuating them, a control circuit with a pressure control device for generating an adjustable control pressure in dependence on an electrical control signal is provided, and a pressure-controlled changeover valve is connected to the pressure control device and, when a first control pressure value is applied, assumes a first switching position in which a first cylinder is connected to a pressure sink and the second cylinder is connected to a pressure source, and, when a second control pressure value is applied which is higher than the first control pressure value, assumes a second switching position in which the first cylinder is connected to the pressure source and the second cylinder is connected to the pressure sink.

Abstract: The present invention is a system and method for agricultural management-zone delineation to be done over broad geographic extents without overly-localized field-specific data. The instant innovation guides precision agricultural sampling and management by delineating enhanced management zones based upon remote sensing and artificial intelligence and combining the two with data derived from an existing countrywide soil survey database. In an embodiment, the instant innovation uses artificial intelligence from multiple sources to provide granular zone detail. Output of the present innovation can be aggregated to produce management zone sizes that have a level of uncertainty compatible with the needs of the customer-fanner and implementable given the capabilities of available equipment.

Abstract: An agricultural implement includes a frame having an elongate toolbar carrying a plurality of row units. A sensor is configured to detect residue accumulation between adjacent row units. An actuator is configured to raise or lower a row unit based at least in part on the residue accumulation detected by the sensor. Control systems and related methods are also disclosed.

Abstract: Device for shaping the profile of a furrow, sensing soil properties and dosing fluids in the soil of an agricultural field, includes a body comprising an upper portion and lower portion defining a right lateral face and a left lateral face that are laterally opposite, a front face and a rear face that are longitudinally opposite, and an upper face and lower face that are vertically opposite, wherein the laterally opposite faces at the lower portion of the body are angled relative to a vertical direction forming a V-shaped profile cross section for V-shaping furrows; damping and biasing means linked to the upper face of the body; a fluid dosing conduit including an inlet and an outlet, and being longitudinally arranged within the body; sensing means on a face of the body for measuring soil properties; and a sensing unit for commanding the sensing means and receiving information thereof.

Abstract: A depth gauge wheel for a row planter. The depth gauge wheel sets the planting depth for the seeds planted by the row planter. The depth gauge wheel sets planting depth by setting the cutting depth of the disk opener of the row planter. The depth gauge wheel also scrapes mud from the disk blade of the disk opener. The depth gauge wheel includes a rim, a tire attached to the rim and a ring attached to the rim. The tire contacts the surface of the ground to set the cutting depth of the disk opener and the ring scrapes mud from the disk blade of the disk opener.

Abstract: A method is provided by which a particularly good agricultural work result is achieved upon use both at the same location and also at other locations for one or multiple agricultural working machines.

Abstract: A robotic lawnmower (14) comprises a chassis (18), and an outer shell (20) defining an exterior face of the robotic lawnmower (14), the outer shell (20) comprising a skirt enclosing the chassis (18) at a distance therefrom. A sensor module (30; 34) comprises a chassis connection interface for mechanically connecting the sensor module (30; 34) to a module connection interface on the chassis (18). The sensor module (30; 34) holds the sensor outside a vertical projection of the chassis (18), between the chassis (18) and the skirt. The module connection interface is located on a top face of the chassis (18), and the sensor module housing extends downwards to a position vertically lower than the module connection interface. A cantilever member holds a main housing body of the sensor module (30; 34) with a horizontal gap between the main housing body and the chassis (18).

Abstract: A work apparatus includes a housing, an electric motor arranged in the housing, the electric motor including a rotor shaft driven rotationally about a rotor axis, an output shaft for driving a tool, the output shaft being connected with a form fit to the rotor shaft on a receptacle of the rotor shaft, and a flange supported on the housing. The rotor shaft is mounted rotatably via a rotor shaft bearing arranged in the flange, the rotor shaft bearing extending along a bearing section in the direction of the rotor axis, and wherein the output shaft extends at least as far as the bearing section of the rotor shaft bearing.

Abstract: A removable shield for a string trimmer with trimmer head for cutting tall grass or weed is a flexible shield having a first end and a second end with a length extending therebetween; a removable shield closure for securing the first end of the shield to the second end; one or more fasteners configured for coupling the shield to the string trimmer at one or more locations on the shield. The shield forms a perimeter ring having a height and an interior space when the shield closure secures the first end of the shield to the second end of the shield and wherein when installed on the string trimmer, the trimmer head is within an interior space of the perimeter ring when the shield is installed on the trimmer head.

Abstract: A garden tool, including a main body, a walking wheel mounted on the main body, a self-propelled motor for driving the walking wheel, and a control panel disposed on the main body. The control panel includes a self-propelled control assembly. The self-propelled control assembly includes a self-propelled start paddle and a speed regulating button. Pressing the self-propelled start paddle activates self-propelled operation of the garden tool. The self-propelled start paddle can be released for a short time and the speed regulating button can be adjusted within the short time. The self-propelled start paddle can be re-pressed within the short time and after the speed regulating button is adjusted, and the garden tool maintains the self-propelled operation.

Abstract: A land roller implement for chopping vegetation on the ground has one or more rollers including a drum body with mounting flanges protruding radially from the drum body onto which chopping blades can be fastened. The mounting flanges are fixed to the drum body with front weld beads that are spaced apart along the leading face of the mounting flanges. The blades are notched along the inner end to define recessed portions aligned with and receiving the front weld beads therein such that protruding portions at the inner end of the blades between the recessed portions are able to abut against the peripheral surface of the drum body without interference by the front weld beads. The bolts fastening the blades to the mounting flanges are thus isolated from shear forces by the abutting protruding portions while the mounting flanges remain secured against folding backward due to the presence of the front weld beads within the recessed portions.

Abstract: A crop residue distributor assembly for a combine harvester. The crop residue distributor includes a straw distributor hood, below which a number of adjustable vanes is arranged on both sides of a longitudinal median plane of the crop residue distributor assembly. A flow divider is arranged adjacent to the longitudinal media plane with diverging walls. The flow divider is coupled to the vanes in such a way that the flow divider moves together with the vanes when the vanes are adjusted.

Abstract: An apparatus, a system and a method indirectly detect the operational state of a machine among a plurality of operational states and track the movement of a material through a plurality of machines.

Abstract: An agricultural machine capable of sensing a harvested crop load includes a mower or mower conditioner implement, which may be referred to as a crop cutting implement, and a retractable linear device such as a spring or linear actuator. The crop cutting implement includes a flexible drive assembly with an endless loop, such as a belt, that is driven and supported by rollers. The retractable linear device resists movement of a first roller relative to a second roller. With this arrangement various characteristics of the agricultural machine, all of which are proxies for the position of the first roller relative to the second roller, may be measured by a crop load sensor to determine the quantity or load of harvested crop being processed by the flexible drive assembly of the agricultural machine.

Abstract: A harvester (1) comprises a gantry (24) and a harvesting tool (22) with a cutter unit (52). The gantry (24) allows the cutter unit (52) to move so that the cutter unit (52) can approach and cut an individual crop from any direction in the horizontal plane. In this way, the direction of approaching and cutting can be selected so as to avoid damaging the surrounding crops.

Abstract: A sugarcane harvester includes basecutters for cutting sugarcane stalks from sugarcane plants; a chopping section for chopping the sugarcane stalks into billets; a discharge assembly for discharging the billets to a storage vehicle; and a height adjustment system for automatically adjusting a height of the basecutters to avoid unwanted contact between the basecutters and a ground surface.

Abstract: A constructive arrangement applied to a grain harvesting machine reducing the sizes of the bulk carrier and the collecting set, bringing them to measurements which are compatible with the body of the machine, thus enabling transportation next to the machine, with no need to disassemble any parts, having hinges and support arms of the bucket and the support structure of the receiving device provided with hinging devices to reduce their lateral dimensions, those hinging devices being activated by hydraulic cylinders.

Abstract: A method for controlling, through a mobile device, wrapping operations in a wrapper for wrapping a round bale with a film, comprises the following steps, performed by a processor of the mobile device: coupling the mobile device to a control unit of the wrapper, by sending a coupling signal to the control unit; receiving control inputs from a user, through an interaction of the user with the mobile device; elaborating the control inputs and generating, based on the control inputs, a command message; sending the command message to the control unit of the wrapper; receiving, at the processor of the mobile device, operation data from the control unit of the wrapper, the operation data being representative of operations performed by the wrapper.

Abstract: A combination of a tractor and a baler includes a tractor control unit and a baler control unit. A driving speed of the tractor can be set and/or adjusted with the tractor control unit. The baler includes a bale sensor in order to sense the size of a bale in a baling chamber. The baler control unit is connected to the bale sensor and to the tractor control unit to send a stop signal to the tractor control unit when the bale signal of the bale sensor indicates that a bale has reached a size which is greater than or equal to a first predetermined size. The tractor control unit controls the tractor to initiate a braking operation for stopping the tractor and to adapt a driving rotational speed of the drive shaft of the baler when the tractor control unit receives the stop signal from the baler control unit.

Abstract: A cutting blade applied to a reciprocating-type cutting device (1) including a pair of cutting blades (2, 3) that are reciprocated in a state of being superposed on each other to cut an object to be cut. The cutting blade includes: a base element (21); and a plurality of blade bodies (22) jutting from the perimeter of the base element (21), the plurality of blade bodies (22) each having a sliding surface (24) that slides over a mating blade body (32). At least some of the plurality of blade bodies (22) each have a high-hardness section (22A) formed in a part including at least both ends (24a, 24b) in a sliding direction of the sliding surface (24), the high-hardness section (22A) having hardness higher than the hardness of the other part. The thickness of the high-hardness section (22A) is set to 10 ?m or more and 200 ?m or less.

Abstract: A light source module includes at least one substrate, at least one main light source and at least one auxiliary light source. The at least one main light source and the at least one auxiliary light source are disposed on the at least one substrate. The main light source comprises a first main light emitter configured to emit a first main light having a first number of peak wavelengths and a second main light emitter configured to emit a second main light having a second number of peak wavelengths. In addition, the auxiliary light source is configured to emit a third auxiliary light having a third number of peak wavelengths. The first number of peak wavelengths can be different from the second number of peak wavelengths. A peak wavelength of the second main light can be longer than all of the peak wavelengths of the first main light.

Abstract: A modular vertical plant cultivation wall system configured to produce minimal carbon footprint from fabrication through erection, to be built of sustainable material and to be installed rapidly by low skilled labor is provided. The modular vertical cultivation wall system includes at least two vertical posts, at least two planter shelves, at least two endcap walls, and at least one of: a pipe, a seed/plant root retaining matrix, and irrigation fluid. Further, a method of providing a modular vertical cultivation wall is provided.

Abstract: A cladding element, for a building cladding system, includes an air filtration panel. The air filtration panel includes at least one channel providing an airflow path from a first opening of the channel to a second opening of the channel and a growing medium is arranged to support the growth of vegetation thereon. The growing medium is positioned such that, in use, airflow through the channel from the first opening to the second opening is directed through or across vegetation supported by the growing medium.

Abstract: This disclosure provides systems, methods, and apparatus related to growing plants. In one aspect, an apparatus include a platform, a light emitting diode (LED) panel, one or more imaging modules, a liquid handling unit, a robotic arm, with these components being positioned in a chamber. A first surface of the platform including features defining a plurality of areas, with each area defining a space for a plant growth device. The LED panel is positioned to illuminate the first surface of the platform. The heat exchanger is in thermal contact with a second surface of the platform. The imaging module includes an imaging device from the group a microscope, a camera, and a scanner. The liquid handling unit is operable to add and remove liquids from the plant growth device. The robotic arm is operable to pick up and move the plant growth device from the platform to an imaging module.

Abstract: A protective tree tube has an elongated hollow body that is made of a biodegradable material, and has holes formed in the wall of the tube. The tube can be filled, at a bottom portion, with drainage material, and on top of the drainage material a planting material can be provided in which the root ball of a tree is placed. Upon placing the protective tree tube with the tree into a planting hole, the protective tree tube ca be buried and thereafter the tree will commence forming new rootage and become established.

Abstract: A gardening appliance includes a liner positioned within a cabinet and defining a grow chamber, a grow tower rotatably mounted within the liner and defining a root chamber, a sealed system including an evaporator, and a hydration system. The hydration system includes a supply conduit for providing a flow of liquid into the root chamber, a condensate collection tray positioned below the evaporator and defining a condensate collection reservoir for collecting condensate formed by the evaporator while the sealed system is operating, and a condensate return conduit fluidly coupling the condensate collection reservoir and the supply conduit for supplying the condensate into the supply conduit.

Abstract: A system and method for growing plants by reducing the need for additional water. The hydroponic plant growth system utilizes a reservoir to collect excess water from the support tubes or feeder tubes and refeed the water to the plants through the pump. The water fed to the plants is mixed with nutrient enriched air which is sent directly to the plant roots through the inlets along with the water. This helps the plant absorb the required nutrients and the availability of nutrients is maintained as the water is pumped by the reservoir continuously in this closed loop system.

Abstract: This disclosure concerns methods for estimating the breeding value of plants for the purpose of producing doubled haploid, for example, to identify selection candidates having high breeding values.

Abstract: The invention provides seed and plants of corn hybrid SVSA5142 and the parent lines thereof. The invention thus relates to the plants, seeds, and tissue cultures of corn hybrid SVSA5142 and the parent lines thereof and to methods for producing a corn plant produced by crossing such plants with themselves or with another corn plant, such as a plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of such plants, including the fruit and gametes of such plants.

Abstract: Provided are compositions and methods for reducing, disrupting, or altering ZmDA1 activity in corn plants. Methods and compositions are also provided for producing modifications in the ZmDA1 gene through mutagenesis and/or editing. Modified plant cells and plants having a modification in the ZmDA1 gene are further provided comprising improved characteristics, such as increased yield.

Abstract: A soybean cultivar designated 90112218 is disclosed. The invention relates to the seeds of soybean cultivar 90112218, to the plants of soybean cultivar 90112218, to the plant parts of soybean cultivar 90112218, and to methods for producing progeny of soybean cultivar 90112218. 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 90112218. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 90112218, 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 90112218 with another soybean cultivar.

Abstract: The invention provides seed and plants of the bean line SVGG2118. The invention thus relates to the plants, seeds, and tissue cultures of bean line SVGG2118 and to methods for producing a bean plant produced by crossing a plant of bean line SVGG2118 with itself or with another bean plant, such as a plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of a plant of bean line SVGG2118, including the pods and gametes of such plants.

Abstract: A method for milking a dairy animal with a robot milking device including a teat position determination system and a controller. The method includes allowing the robot milking device, with the help of the teat position determination system, to make one or more connection attempts for connecting at least one milking cup to a teat of the dairy animal, and milking with all connected milking cups where the controller records a number of failed connection attempts. The number of failed connection attempts #MA in a predefined number of milkings, which number of milkings is at least equal to a predefined number #MB, fulfils a predefined criterion, automatically adapting the milking criterion by means of the controller.

Abstract: A device comprising a milk channel is disclosed. The milk channel has a first part and a second part, wherein a first value of at least one optical property of the first part is different than a second value of the optical property of the second part.

Abstract: There is disclosed herein a frothing assembly (21) to froth milk in a container (11). The assembly (21) includes: a body (25); a motor (33) fixed to the body and having an output shaft (34) that is rotatably driven about a longitudinal axis (35) of the shaft (34); a frothing device (36) rotatably driven by the shaft (34) and to be submerged in the milk in the container (11); and a perforated member (43) at least partly surrounding the frothing device (36) and spaced from the frothing device (36) by a clearance (44), wherein rotation of the frothing device (36) causes movement of milk in the clearance (44) and movement of milk through the perforated member (43) to be circulated back through the container (11) and the clearance (44) to cause frothing of the milk.

Abstract: An improved livestock restraining device comprising a mounting component connected to an extending arm assembly to prevent an animal from bucking while situated within a chute. The improved livestock restraining device comprises a buck arm frame assembly and a mounting frame assembly. The buck arm is intended to be engaged across the hips and/or back of the animal to reduce the chance or opportunities for the animal to rear-up, kick, or buck as the rider is mounting, sitting, or preparing for a rodeo event. The improved livestock restraining device can help prevent injury to the rider, animal, and attendant assisting the rider and animal.

Abstract: A pressure activated recharging cooling platform for cooling an object is provided. The cooling platform comprises a temperature regulation layer, a support layer, and a channeled covering layer. The temperature regulation layer is adapted to hold a composition. The temperature regulation layer has a plurality of angled segments, wherein angled segments within a sealed perimeter of the temperature regulation layer are formed by a top side and a bottom side at a predefined distance, and channels, wherein the channels substantially form sides by contacting the top side with the bottom side at a distance lesser than the predefined distance. The support layer is substantially bonded to the bottom side of the temperature regulation layer and is comprised of material sufficiently pliable to deform and sufficiently rigid to withstand collapse in response to the weight of the object. The channeled covering layer encompasses the support and temperature regulation layers.

Abstract: A farrowing pen for a group farrowing pen arranged in the farrowing pen includes a piglet protection device having a first side part, a second side part, which is arranged substantially parallel to the first side part and is spaced apart therefrom in such a manner that the first and the second side part laterally delimit a receiving space for a sow, and a rear-side door element movable between a closed position and an open position, which, in the closed position, delimits the receiving space on the rear side and, in the open position, opens up a rear-side access to the receiving space. The farrowing pen designed such that the sow can automatically enter and/or leave the receiving space of the piglet-protection device, with the rear-side door element being transferred by the sow into the closed position if the sow has entered the piglet-protection device.

Abstract: Insect storage and dispensing system are described. An example system may include a dispensing container including at least one wall defining an interior volume for retaining a plurality of adult insects. The system may also include a piston that extends through a first opening of the dispensing container so as to expose a top face of the piston to the interior volume. Longitudinal movement of the piston toward a second opening of the dispensing container may dispense a portion of the plurality of insects from the dispensing container when the plurality of insects is retained in the dispensing container.

Abstract: A method for milking and managing a herd of dairy animals by at least attributing an insemination suitability status, the method includes, for each dairy animal, milking the dairy animal by means of a milking device, with a controller. By means of the controller, using a measuring device, determining at least one parameter value PVi related to the milking. By means of the controller, calculating an index value V of the dairy animal with respect to the herd of dairy animals on the basis of PVi and an average parameter value PVhi for the herd of dairy animals, which index value V indicates a value ranking order in the herd, and if the index value of the dairy animal fulfils a predefined criterion, automatically by means of the controller attributing to the dairy animal the insemination suitability status “inseminate no longer”.

Abstract: Embodiments include a portable pet food container comprising a main body having a flexible top end, a flat bottom end, and an internal compartment extending between the top end and the bottom end for storing pet food. The top end comprises a spring-assisted fastener configured to snap open when moved to a first position and snap closed when moved to a second position. The spring-assisted fastener may include a pair of flexible bands and a pair of flex springs, each band having a first end coupled to a first one of the springs and a second end coupled to a second one of the springs, the fastener moving to the first position by pulling the two bands away from each other and moving to the second position by pressing the two bands towards each other. The container may be attached to a wearable device to facilitate portability.

Abstract: The present invention provides a hand feeding, natural, self-regulating nipple nutritional system and method of use for a baby animal which allows the baby animal to latch onto a surrogate feeding nipple in which the speed of flow of liquid and quantity of liquid, such as milk, is regulated comfortably by the animal. In particular, the invention provides a soft, flexible, highly porous material affixed to a liquid-dispensing vehicle, in which the porous material is saturated with, and serves as a reservoir for, the liquid so that any excess liquid not ingested remains in the porous material. The porous material includes a nipple protrusion at one end to which the baby animal latches onto and suckles from until it is satisfied. The nipple protrusion has a density that is greater than the density of the rest of the porous material, which contributes to the high absorbency of the porous material and closely mimics the feel of a mother's nipple.

Abstract: A foldable container includes a foldable supporting frame, at least one operation switch arranged on the foldable supporting frame, and a container body supported on the foldable supporting frame. The operation switch is actuated through a pulling operation to move the foldable supporting frame between an unfolded mode and a folded mode. The container has an edge and an opening formed within the edge. At the unfolded mode, the opening is opened. At the folded mode, the opening is closed. The container body is automatically folded as the foldable supporting frame is moved from the unfolded mode to the folded mode. Via a folding method, the foldable supporting frame is folded to reduce an overall size for occupying less storage space when it is not in use.

Abstract: The present disclosure provides a modular cat recreation structure comprising: one or more sections configured to be removably mounted to a household structure, wherein each of the one or more sections comprises: an external surface; first and second opposing arms defining a slot therebetween; a hollow central opening continuous with the slot and configured to accommodate a portion of the household structure therein; first and second engagement surfaces disposed on terminal edges of the first and second opposing arms and configured to apply a biasing force against first and second opposing surfaces of the household structure when the portion of the household structure is inserted into the slot; first and second projections extending axially away from the first and second opposing arms, the first and second projections being operable to adjust a width of the slot via application of first and second opposing forces to the first and second projections.