Abstract: A D-ring, comprising a body having a first surface and a second surface and a plurality of apertures formed through first and second surfaces. The D-ring comprises two or more separate rated apertures for receiving a device or a connector to a device. A first aperture is formed through the first and second surfaces and positioned on the distal portion of the body. A second aperture is formed through the first and second surfaces such that the second aperture is adjacent to the first aperture. Additionally, there is a belt receiving aperture formed through said first and second surfaces positioned on the proximal portion of the body.

Abstract: A fall-protection apparatus with a drum and a rotationally-activated braking device including at least one velocity-actuated pawl that is mounted on a pawl-support plate that is rotatable relative to the drum through a predetermined range between a first position and a second position. The pawl-support plate is rotatable relative to the drum from the first position to the second position upon the pawl-support plate experiencing a rotational acceleration that is above a predetermined threshold value of rotational acceleration. When the pawl-support plate is in the second position, the velocity-actuated pawl can be actuated by a rotational velocity that is lower than a rotational velocity required to actuate the pawl when the pawl-support plate is in the first position.

Abstract: A fall-protection apparatus comprising a rotationally-activated braking device that comprises at least one flexure-borne pawl.

Abstract: Systems and methods of ceiling-only fire protection of a storage structure are provided. The system can include a plurality of fluid distribution devices disposed in a grid pattern beneath a ceiling and above the storage structure. The plurality of fluid distribution devices can include a frame body, seal assembly and actuator. The system can include a fluid distribution system including network of pipes interconnecting the plurality of fluid distribution devices with a water supply. The system can include a plurality of detectors to monitor the storage structure for a fire. The system can include a controller coupled to the plurality of detectors to detect and locate the fire, and coupled to the plurality of fluid distribution devices to identify and control operation of a select number of the plurality of fluid distribution devices that define a discharge array above and about the fire.

Abstract: A spray module for a device for fighting a vegetation fire, the spray module includes: an inlet for a fluid, an outlet for the fluid, a fastening unit for fastening the spray module in a raised position with respect to an underlying surface, a first spray mist nozzle having a first opening area, which is configured to dispense a first spray mist, and a second spray mist nozzle having a second opening area, which is configured to dispense a second spray mist, the first opening area and the second opening area are arranged parallel to one another on the spray module in such a way that the first spray mist and the second spray mist can be dispensed in two opposite directions.

Abstract: Proposed is a battery fire suppression system with a fire extinguishing agent cooling function, in which a fire extinguishing gas serves as a refrigerant for cooling a fire extinguishing agent and at the same time, the fire extinguishing gas is sprayed into a battery room or a battery module to quickly extinguish a fire in the battery. While allowing the fire extinguishing gas to basically serve as the refrigerant, depending on the amount of combustible materials loaded in the battery room, the shape of battery cells installed inside the battery module, the battery capacity, etc., it is possible to selectively determine whether to allow the fire extinguishing gas to serve only as the refrigerant, or to allow the fire extinguishing gas to be sprayed to the battery module where the fire has occurred to cool the surface of the battery module or directly extinguish the fire in the battery module.

Abstract: Fire extinguishing equipment includes an ORC cycle configured to circulate a fire extinguishing agent as a working medium and at least one fire extinguishing agent supply line. The ORC cycle includes a condenser provided on the ORC cycle and configured to liquefy a gaseous fire extinguishing agent that is the fire extinguishing agent in a gas state, a booster pump provided on a downstream side of the condenser on the ORC cycle and configured to pressurize a liquid fire extinguishing agent obtained by liquefying the gaseous fire extinguishing agent in the condenser, a vaporizer provided on a downstream side of the booster pump on the ORC cycle and configured to vaporize the liquid fire extinguishing agent, and an expansion turbine provided on a downstream side of the vaporizer and on an upstream side of the condenser on the ORC cycle and configured to be driven by a gaseous fire extinguishing agent obtained by vaporizing the liquid fire extinguishing agent.

Abstract: Systems, apparatuses, and methods of assembly of a dry pipe manifold assembly. The dry pipe manifold assembly including a lower plate and an upper plate fixed to the lower plate creating a water passage with a series of ports. The assembly further including a dry pipe actuator, manual reset actuator sub-assembly, manual trip valve, and alarm test sub-assembly fixed to the upper plate.

Abstract: A mesh network fire suppression system includes a coordinator node configured as a control unit. The coordinator node includes a transceiver, a processor, and a memory coupled to the processor. In addition, the system includes a plurality of sprinkler nodes configured to be positioned within a building and connected to a water supply, where each of the sprinkler nodes includes a battery as a sole source of power, a wireless transceiver configured to be in communication with the coordinator node, a sensor configured to sense environmental conditions, monitoring circuitry, and actuation circuitry. In addition, each of the sprinkler nodes includes a sprinkler head coupled to the actuation circuitry and configured to dispense water when actuated. The coordinator node is configured to transmit an actuation signal to the actuation circuitry to at least one sprinkler node in response to receiving an alarm message.

Abstract: The present invention is generally directed to fluorine-free firefighting foam concentrates containing a surfactant component comprising one or more surfactants, optionally one or more solvents, optionally one or more inorganic salts, and optionally one or more organic salts. The present invention is also directed to firefighting foam solutions and firefighting foams prepared from such concentrates and methods for their use. The fluorine-free firefighting foam concentrates exhibit Newtonian behavior. The fluorine-free firefighting foam solution exhibits dilution thickening properties.

Abstract: A wearable exercise apparatus may include one or more of: a torso support including an abdominal frame, a chest frame, a shoulder frame, a back frame, an arm frame, a first guide, a wrist frame, a second guide, a glove, a dial rotatably connected to the chest frame, a string connected to the dial, at least partially wound around the dial, and passing through an inner space of each of the torso support and the first guide, and an elastic band having one end connected to the string and the other end connected to the wrist frame or the glove, passing through an inner space of each of the arm frame and the second guide, and extending or contracting by a tension of the string.

Abstract: A weight plate has an integrally molded center plate including a centrally located bore disposed in the center with an elongated first hand grip and an elongated second hand grip diametrically opposed to each other toward the opposite sides of the center plate. The first hand and second hand grips may have circular cross-sections. The first hand and second hand grip may include an interior perimeter and an exterior perimeter in spaced relation to each other, through which an opening is formed between the interior and exterior perimeter of the center plate so that the fingers and thumb of a user’s hand can be disposed through the opening for sufficient gripping of the weight plate. A mounting member can be passed through the bore for some particular exercises. With many different ways of using, the weight plate is compatible with a number of varied exercises and movements for an individual.

Abstract: A weight lifting device including a housing having first frame having first vertical channel for accommodating first weight holding means and second frame having second vertical channel for accommodating second weight holding means, wherein first vertical channel and second vertical channel are dimensioned so that first weight holding means and second weight holding means can move up and down, when in use, in first vertical channel and second vertical channel, respectively. The weight lifting device also includes a handle bar pivotably connectable to first weight holding means and to second weight holding means from first end of handle bar and second end of handle bar, respectively. The weight lifting device further includes at least one of: first holding bar, second holding bar, first pivotable arm and second pivotable arm, arranged between pivotably connectable handle bar and first weight holding means and second weight holding means.

Abstract: An adjustable weight dumbbell includes a dumbbell bar, a handle, a dial, a dumbbell rack assembly, weight adjustment assemblies, and weight plates. The dumbbell rack assembly includes inner and outer support frames and a connecting frame fixed with the support frames. The inner support frame is rotatably cooperated with the handle, the outer support frame and the dumbbell bar. The inner support frame includes a locking mechanism for locking a rotation of the inner support frame relative to the dial. The weight adjustment assemblies connected on the connecting frame include a weight adjustment housing, a cam rotatably disposed in the housing, and a weight connecting assembly. The cam is sleeved on the dumbbell bar and includes protruding teeth arranged in sequence according to the weight. The weight connecting assembly is cooperated with the protruding teeth, and is driven by the protruding teeth to connect with the corresponding weight plate.

Abstract: Described herein are examples of a device which includes a weight spotter configured to hold a free weight on a lower portion, and be attached to a structure, such as cross bar of exercise equipment or a shaft of a barbell. The weight spotter configured to allow a user to easily lift and replace the free weight from the structure while providing support and ease of use for the user.

Abstract: A weight rack having an elongated base is provided. The base may include a front side and a rear side. The base may include a height that is substantially greater than a width. Protruding from the front side of the base includes a plurality of U-shaped cradles. The U-shaped cradles may be oriented along the height of the elongated base. Each of the U-shaped cradles may be formed to receive and secure a dumbbell.

Abstract: In most sports, defensive acuity is integrally linked to a person's footwork. The training of fundamentals is critical in helping an athlete develop proper footwork by developing muscle memory that allows them to naturally and subconsciously position their bodies, including the appropriate posture, for engaging an offensive player in the most efficient manner. This technology relates generally methods of making and using systems designed to enhance athletic skill development and, more particularly, to methods of maintaining proper foot alignment for certain activities that require agility and consistency.

Abstract: An exercise device including a body engagement portion that can support a user, and a guide track assembly that can rotationally house the body engagement portion. The body engagement portion includes a base surface and a rotation support assembly. The base surface may support the user in a standard plank position. The body engagement portion may allow a user to rotate between a first side plank position, the standard plank position, and a second side plank position relative to a support surface while the guide track assembly remain in contact with the support surface and the body engagement portion support upper body of the user. The body engagement portion may allow a user to statically hold a plank position or rotate between two plank positions at any angle equal to, or between, the first side plank position, the standard plank position, and the second side plank position.

Abstract: A muscle-building apparatus for building the muscles of a user performing a physical exercise, comprising a frame on which are assembled a treadmill which is displaceable in a longitudinal direction and in opposite senses, a force generator that supplies an adjustable pushing or dragging force, and a swivelling support mechanically coupled to the force generator for the user to perform a pushing or dragging exercise on the swivelling support.

Abstract: A step path for an exercise device includes a support zone, a return zone, and a transition zone between the support zone and the return zone. In the support zone, a front end of a movable step is supported by a front track guide and a rear end of the movable step is supported by a rear track guide. A transition element supports the rear end of the step between the rear guide track and a base guide track, thereby lowering the step-up height of the exercise device.

Abstract: A system and method for analyzing the swing motion of sporting equipment, for example, a golf club, including at least one or more inertial acceleration sensors, one or more gyrometric sensors, a data acquiring unit, a core micro-controller, and a Bluetooth radio. The motion detecting unit detects at least one motion of the swing. Particularly, the sensors and data acquiring unit calculates swing information using the acquired detection data to match a user's swing motion to optimized equipment. Particularly, the data acquiring unit acquires detection data from the sensor(s) and forwards such data to a computing device or server having stored information that matches the swing motion to an optimized swing device.

Abstract: This disclosure relates to systems, media, and methods for quantifying and monitoring exercise parameters and/or motion parameters, including performing data acquisition, analysis, and providing scientifically valid, clinically relevant, and/or actionable diagnostic feedback. Embodiments may be related to systems, devices, methods, and computer-readable media for providing baseline-adjusted real-time feedback to a user. Embodiments may include determining a type of activity for the user. Embodiment may include receiving data from the one or more motion sensors indicating a time-dependent series of three axis acceleration data and three-axis orientation data. Embodiments additionally may include providing a graphical user interface with a real-time representation of the received data.

Abstract: A cycling detection method, an electronic device, and a computer-readable storage medium are provided. The cycling detection method includes: obtaining an acceleration signal and an angular velocity signal collected by a wearable device of a user's foot, and analyzing a time-domain feature of the acceleration signal, a frequency-domain feature of the acceleration signal, a time-domain feature of the angular velocity signal, and/or a frequency-domain feature of the angular velocity signal; filtering the acceleration signal and the angular velocity signal to obtain a target acceleration signal and a target angular velocity signal of the user's cycling if it is determined, based on an analysis result, that a current status of the user is a cycling state; and determining a behavior feature of the user's cycling based on the target acceleration signal and the target angular velocity signal, where the behavior feature includes a cadence feature and a foot posture feature.

Abstract: Activity monitoring may include tracking of a route or location where the activity was performed. In some examples, the route may be displayed against a heat map identifying areas of higher activity or popularity. Alternatively or additionally, routes may be automatically generated by a system based on various specifications such as an amount of time, a preferred location (a start and an end), a level of popularity or activity level, and the like and/or combinations thereof. A user's workout information may further be stored in association with a particular location or route.

Abstract: A threaded anchor for ice climbing, comprising: —a screw with a cylindrical tubular body, a number of cutting teeth, a rearward perimetric protruding threaded section; —a clamp disposed exteriorly with regard to the screw and comprising an operating component, displaceable between: a locked position, where the tightening of the clamp and the fixing thereof at any point along the length of the screw is established, and an unlocked position, enabling the turning of the clamp with regard to the screw and the positioning of the clamp at any point along the length of said screw; —a folded strap attached by its first end to the clamp and presenting at its second end a closed loop for the mounting of a carabiner suited for the hitching of the climbing rope in its position of use or of a harness of the climber in an inoperative position.

Abstract: A sport ball including a bladder enclosing a volume of gas. The sport ball further includes a casing including a casted material, wherein the casing encloses the bladder.

Abstract: A tennis ball comprising a hollow core and a cover, the core being formed from a composition including rubber, in which the composition comprises recycled tennis ball material.

Abstract: A method for printing a marking on a golf ball includes arranging ink in an etching pattern on a printing plate, matching a reference position on the plate to a reference position on the golf ball, transferring the ink from the printing plate to a pad, and transferring the ink from the pad to the golf ball such that the golf ball includes the marking. The pattern includes an etch corresponding to the marking, wherein the etch differs from the marking in a manner dependent on the position of the marking on the golf ball. The marking that results on the golf ball is a linear marking, and a centerline of the linear marking lies entirely within a marking plane that is not a centerline plane of the golf ball, and wherein the edges of the marking are parallel with the marking plane.

Abstract: A golf club head formed of an alloy of steel that is capable of improving the center of gravity (CG) location while maintaining traditional external dimensions of the golf club head. More specifically, the golf club head in accordance with the present invention achieves a relatively low CG while maintaining traditional external dimensions by reducing the amount of mass contributed by the crown, the striking face, and the hosel, and strategically reallocating this mass within and/or proximate the sole of the golf club head.

Abstract: A golf club head includes: a head body that includes a cavity; a weight that is detachably attached to the cavity; and a cover that is openably and closably attached to the head body and that covers at least a part of the cavity when the cover is in a closed state. The weight is attached to the cavity in a state where the weight is slidingly movable in the cavity. In the closed state, the cover applies a pressing force to the weight. The weight may be fixed to the cavity by a static frictional force increased by the pressing force. The cavity may form a slide groove.

Abstract: A golf club head with improved striking face performance is disclosed herein. More specifically, a golf club head includes a striking face with a thickened central region surrounded by transition region that reduces radially in thickness as it extends away from the central region is disclosed. The striking face geometry results in more uniform characteristic time measurements across a large percentage thereof.

Abstract: A personal sand trap rake is presented. The personal sand trap rake has a rake head that is operable to smooth sand in an area where a golf ball has landed in a bunker on a golf course. The rake head may be adapted to be carried by a golfer or carried on a golf bag. The personal sand trap rake may therefore be available whenever needed without delaying the game to retrieve a full-size rake, without creating a tripping hazard by leaving the full-size rake on the golf course, and without creating an in-play golf obstruction and interference. The rake head may be adapted to be used by hand or may detachably couple to a grip of a golf club thus enabling the golf club to be used as a handle. In some embodiments, the personal sand trap rake may comprise a telescoping handle that may be coupled to the rake head for use as the handle. The personal sand trap rake device is needed to replace the present lack of bunker rakes due to the Covid-19 pandemic.

Abstract: A system and method configured to receive or obtain action quality data related to a user's action with a tool, such as a swing with a golf club, and corresponding pressure data related to the user's grip on the tool during the action. The system and method are configured to determine a correlation between the pressure data and action quality data, which may be normalized to remove the effects of gravity if the data is collected with a sensor that is sensitive to gravity, and output at least one indicator related to the correlation.

Abstract: A golf putting practice device is provided, including: a box, two supporting feet and a marking piece, tops of the two supporting feet are pivotally connected to the bottom of the box, folded and pressed to the bottom surface of the box when not in use, and the marking piece is installed on the box and partially exposed below the box; when the two supporting feet are unfolded and flip open to stand on the ground, the two supporting feet and the box form a goal, and the marking piece is located between the two supporting feet for aiming and putting practice.

Abstract: Illustrative configurations of a collapsible net for a game play are disclosed. The collapsible net includes a plurality of net-modules, each of the plurality of net-modules including a first-type coupler adjoining a left-side edge and a second-type coupler adjoining a right-side edge of each of the plurality of net-modules. The first-type coupler is configured to engage with the second-type coupler to couple the net-modules with one another, to thereby define an expanded length of the collapsible net.

Abstract: A system and method are disclosed for assisting children in learning and improving upon aim in basketball and other sports. The system is adapted for use with a basketball rim secured to a post or a mount, the basketball rim having a recessed portion. The system includes a retainer ring for insertion within or securing to the recess in the basketball rim; and one or more targets secured to the retainer ring, each target comprising a head portion connected to a stem. The target may be a traditional bullseye, a cartoon character, a letter, a number, among many other examples. In use, a child aims for the target, which is positioned just above the basketball rim, as opposed to the rim itself. In so doing, the child positions the basketball for a successful basket and not a rebound off the rim. The system also is configurable for other youth sports, including soccer and baseball as examples.

Abstract: A bicycle trainer includes a base having a base portion and a standing portion, a supporting frame rotationally pivoted on the standing portion of the base around an axle, a cassette module mounted on the supporting frame and having multiple sprockets, and a flywheel module mounted on the supporting frame. A height adjusting member includes the standing portion, the supporting frame and a fixing element. The fixing element is placed in or between the standing portion and the supporting frame for keeping the supporting frame at a predetermined angle with respect to the standing portion.

Abstract: A golf stroke training apparatus is disclosed, comprising a light source attached to the chest of the golfer. Light shines towards a visible surface whereby observation of the light provides information about the movement of the chest. It can be deduced how the golfer generates movement of the club, with respect to elements such as rotation around the spine or movement at other joints, such as shoulders or hands. The apparatus can be particularly useful for putting but can also guide thoracic movement in other golf strokes. Optionally, a second device having a light source can be secured in relation to the pelvis of the golfer, for use separately or in concert with the chest mounted device.

Abstract: A control panel mount for an exercise machine has an equipment mounting plate, an intermediate plate and a control panel mounting plate. The equipment mounting plate is adapted and configured to be mounted to the exercise machine. The control panel mounting plate is adapted and configured to be mounted to a control panel of the exercise machine. The equipment mounting plate is hingedly connected to the intermediate plate, and the intermediate plate is rotatably connected to the control panel mounting plate.

Abstract: A kettlebell swing hat may be described herein. The kettlebell swing hat may comprise a beanie cap with two holes at the crown of the beanie cap, a soft round ball with two holes through the soft round ball; and a sting with a first end and a second end. The string secures the soft round ball to the beanie cap by knotting the first end and the second end together. The kettlebell swing hat may assist in correcting the timing of the kettlebell swing. It may give feedback on the proper way to squat/hinge during the swing, and showcase instant feedback on whether or not the individual is generating enough power into the ground to create a safe and effective swing. The kettlebell swing hat may assist in fixing the overall technique and pinpoint any flaws within the exercise.

Abstract: Provided is a weight exercise device. The weight exercise device includes: an exercise body in which a motion is generated according to a weight exercise of a user; a sensor configured to detect the motion of the exercise body; a display configured to output a user interface screen; and a processor configured to control the display to display, on the user interface screen, a first indicator indicating an exercise state of the user corresponding to the detected motion and a second indicator indicating an exercise guide that is recommended when exercising using the exercise body, wherein the processor is further configured to control the display such that a position of the second indicator is adaptively changed based on the exercise state of the user.

Abstract: A baseball pitch selection communication system has a transmitter and a body-worn visual receiver. The transmitter includes a transmitter unit configured to transmit wireless signals, a first microcontroller and a plurality of user actuatable input elements. The first microcontroller is configured to provide the transmitter unit with a selection signal to wirelessly transmit in accordance with actuation of the user actuatable input elements, the selection signal corresponding to a pitch selection. The visual receiver includes a receiving unit configured to wirelessly receive the selection signal, a memory configured to contain a plurality of stored visual instructions, a display configured to display visual instructions, and a second microcontroller. The second microcontroller is configured to control the memory and the display to display a selected visual instruction in accordance with the received selection signal, where the selected visual instruction corresponds to the pitch selection.

Abstract: The present disclosure includes a coil protection assembly configured to be incorporated into a piece of sports equipment such as a glove, shin guard, or shoulder pad. The coil protection assembly may include a coil element spiraled to form a plurality of loops. The coil protection assembly may also have a foam layer disposed on the interior surface of the coil element. An outer layer may enclose or encase the coil element and the foam layer with the loops free to move with respect to one another, A strip of liner material may be secured to the outer layer to connect the loop together. The liner material may be an elastic material to allow the loops to move away from each other, yet still retract back to a default position.

Abstract: A skateboard truck mounting apparatus is provided. The skateboard truck mounting apparatus includes a rigid body, having a first hole and a second hole, where the holes are configured to interface with the holes on a skateboard deck. Both the first hole and the second hole are equipped with self-locking mechanisms.

Abstract: An interactive bowling system using scoring systems and/or other computer infrastructures which interact with visual and/or audio effects within the bowling center. The system includes a management system having stored therein instructions to provide special effects associated with one or more events to one or more special effects components. Upon an occurrence of an event, the management system: determines that the occurrence of the event is associated with one or more special effects; and provides the instructions to the one or more special effects components to effectuate the special effects associated with the one or more events.

Abstract: A game controller for a mobile device having a first handle, a second handle, a bridge coupling the first handle to the second handle, and a magnetic connector. The first handle includes a user-accessible, first hardware interface configured to accept touch inputs. The second handle includes a user-accessible, second hardware interface configured to accept touch inputs. The magnetic connector is configured to magnetically retain a mobile device to the game controller.

Abstract: Provided are a method and apparatus for controlling an AR game, an electronic device and a storage medium. In the provided method for controlling an AR game, a game control instruction is determined, according to a voice instruction obtained during running of the AR game and a preset instruction mapping relationship, and then the AR game is controlled according to the game control instruction.

Abstract: This application discloses a shooting display method and apparatus for a virtual firearm, a computer device and a storage medium, and relates to the technical field of virtual scenes. The method includes: displaying a virtual firearm in a virtual scene; controlling the virtual firearm for continuous shooting in a virtual scene; and displaying, in response to the virtual firearm performing one shot during the continuous shooting, at least one of a body recoil animation and a muzzle recoil animation of the virtual firearm, where the body recoil animation is an animation in which a body of the virtual firearm fluctuates according to a fluctuation curve in at least one direction of an X axis and a Y axis.

Abstract: Technology is described for surfacing in-game durational information to a player by way of a durational information platform. In a method embodiment, an operation processes a game data of a player for determining a game course the player is to take between a current state and a subsequent state within the game. The method also includes an operation for identifying a plurality of sequential segments within the game course for completion by the player and an operation for processing game telemetry of the player for determining effectiveness metrics of the player. The method further includes operations for calculating an estimated time for completion of the game course and for generating a recommendation for communication to a device of the player including the estimated time for completion.

Abstract: A control system includes: one or more memories configured to store instructions; and one or more processors communicatively connected to the one or more memories and configured to execute the instructions to: acquire status data indicative of a status of a game from a game system configured to progress the game played by one or more players; generate commentary information to be played by a terminal apparatus to which a game video representative of the status of the game is delivered, the commentary information being to be played in conjunction with the game video; and use the status data and setting data specifying a commentary condition to generate the commentary information on the status of the game under the commentary condition.