574 results about "Human engineering" patented technology

An improved adjustable hinge for a multi-position ladder that is positionable in a variety of configurations while being ergonomic to adjust and which is structurally sound, rigid, and easy to adjust, light in weight, and has a long service life. The mating surfaces of the outer hinge plates, inner hinge plates, and inner hinge center spacer are large, contributing to overall hinge rigidity and stability. The size of the lock button and lock bracket are each relatively large, making them ergonomic to operate, while also being large enough to be operable by a gloved human hand. A method of assembling an improved adjustable hinge for a multi-position ladder that is positionable in a variety of configurations.

An operator control device for a man-up lift truck includes a handle pivotably arranged on a support structure at a pivot point. The support structure is secured to the lift truck such that horizontal and vertical positions of the pivot point are substantially fixed with respect to the lift truck during operation. The handle comprises an upper surface contoured to ergonomically support an operator's hand with an operator's wrist arranged substantially directly above the pivot point. The handle may be biased in a neutral position. Clockwise and counter-clockwise rotation of the handle may cause forward driving and stopping / reverse driving of the man-up lift truck, respectively. A thumb-operated switch can be arranged on the handle to control lift operations of the man-up lift truck. The operator control device provides dynamic stability to an operator and reduces carpal tunnel stresses and the like in the operator's wrist.

The invention relates to the field of aviation human factor engineering and state monitoring, and particularly discloses a pilot cognitive load real-time monitoring system based on multi-modal data, which comprises multi-modal data acquisition, dynamic preprocessing and time-space synchronization, adaptive feature extraction, a cognitive load intelligent calculation engine, and a multi-dimensional visual early warning and distributed collaborative integration platform. The multi-modal data acquisition module obtains four types of data and dynamically optimizes the precision; carrying out differential denoising on the preprocessing module and the space-time synchronization module; the adaptive feature extraction module extracts multiple types of features and performs weight adjustment and screening; the cognitive load intelligent calculation engine uses a hybrid model to adaptively adjust parameters and predict a trend; the multi-dimensional visual early warning module provides a load curve, a dynamic threshold adjustment value and multi-stage early warning; the distributed collaborative integration platform supports encryption transmission and cross-system docking. The method solves the problem that the prior art depends on subjective evaluation and single physiological indexes and cannot monitor the cognitive state of the pilot in real time, and realizes high-precision, high-adaptability and high-timeliness monitoring.

An apparatus and methods are provided for a handgun stabilizer that enables a shooter to very accurately fire a handgun while remaining well protected by a ballistic shield and looking through a bullet resistant viewing window comprising the ballistic shield. A high visibility green laser sight / high output white light illumination system may be mounted onto the handgun for aiming and illumination, with the handgun being precisely and removably mounted to the side of the handgun stabilizer at a location where the handgun's grip can be ergonomically grasped in the shooter's dominant hand, both for operating the handgun and for controlling the position and orientation of the ballistic shield for aiming purposes. An interface that enables the handgun to be precisely and removably mounted to the handgun stabilizer may comprise a quick-draw holster that is mounted directly onto the handgun stabilizer.

A cooler utility cart device is disclosed, which is a modified utility trailer cart that is capable of transporting a large ice chest with the strength of one person. The cooler utility cart device comprises a base component that has a squared back section and triangular sides with a set of pneumatic tires and a handle. Once a cooler is fitted within the square backing, straps can be used to secure the cooler into the base component. The handle is telescopic and ergonomic and allows a user to pull the device and attached cooler along rough terrain with ease. Further, the cooler can be stabilized on the ground via placement of a prop component which attaches underneath the front of the cooler, allowing the cooler to be positioned parallel to the device.

An extendable animal leash incorporates an advanced quick release functionality within its design. Housed in an ergonomic casing for comfortable handling, the leash can be swiftly disconnected using a quick leash release button. This button triggers a mechanism involving either a pull-pin connected to a cord, string, or cable, or a magnetic pull-pin activated by a magnetic force. Upon engagement, the quick release mechanism allows the leash to detach from the housing, providing immediate separation. The leash itself, made from durable materials like nylon, polyester, or leather, is retracted by a spring recoil mechanism. Additionally, the housing features a spool locking button for setting the leash length and ensuring controlled retraction. Constructed from lightweight and durable materials such as plastic or aluminum, the housing is designed for easy opening, facilitating maintenance and reassembly of the quick release components.

A shaving razor apparatus having a handle with a blade-carrying head at one end and a rotary assembly at the opposite end. The rotary assembly enables controlled pivoting of the handle and head in response to pressure. It includes a pivot rod retained transversely within a channel in the handle, along with securing members and grip portions that stabilize and assist manual adjustment. A spring biasing member provides rotational resistance and recoil bias during use. In the primary embodiment, the spring comprises a torsion coil and extended arm retained under preload tension by a catch at the distal end of the handle. Alternative embodiments may utilize elastic springs or leverage gravitational force to achieve similar biasing effects. The design enables ergonomic control and dynamic blade positioning, with modular components that allow for varied resistance profiles and interchangeable biasing elements.

The invention discloses a nurse shoe and a preparation method thereof, and relates to the field of nurse shoes, the nurse shoe comprises an upper, a sole and a detachable insole, the insole is subjected to refined ergonomic design, pressure sinking convex-concave grooves with specific depths are formed in corresponding areas of the first toe, the second toe, the third toe, the fourth toe and the fifth toe and metatarsal bones; supporting pads with matched heights are arranged on the forefoot transverse arch and the foot inner and outer side longitudinal arches respectively, the full-periphery heel cup structure is arranged on the foot heel in a surrounding mode, an all-directional physiological supporting system is formed, the design can be precisely attached to the natural curve of the foot of the human body, pressure of different areas of the sole is evenly dispersed, the local stress peak value of the forefoot, the foot arches and the heel is effectively reduced, and the stability of the human body is improved. The sole is of a three-layer composite structure, the upper supporting layer provides reliable mechanical supporting, the middle buffering layer achieves efficient damping, the moderate-elasticity EVA anti-skid bottom layer enhances the road holding force of the wet and slippery ground through the anti-skid grain design, and the front 1 / 3 bending adaptive area improves the walking flexibility.

An animal-waste collection apparatus includes an elongate shaft with adjustable length, a forearm-stabilising assembly at a proximal region, and a coupling assembly at a distal region. The coupling assembly provides multi-axis articulation between a first coupling element fixed to the shaft and a second coupling element borne by interchangeable attachment bodies. A first attachment body supplies a support structure defining a seat for a removable receptacle, and a second attachment body comprises opposing jaws movable between open and closed positions to retain a flexible bag. Each attachment body is interchangeably engageable with the coupling assembly through the second coupling element. The apparatus enables selective collection of liquid or solid waste while permitting ergonomic handling across varied user statures and physical abilities.

An ergonomic manual driver includes a handle having ergonomic recesses. A manual driver includes an elongated shank and a handle. The elongated shank extends along a shank axis. The handle includes a handle body attached to the elongated shank. The handle body includes a proximal portion, a middle portion, and a distal portion. The middle portion includes middle portion pyramid-shaped recesses, distal portion faceted recesses, and / or proximal portion faceted recesses.

A gameplay paddle with an ergonomic angled handle is disclosed. The angled game paddle handle allows for perfect straight-out extension of the forearm and wrist creating maximum reach and the greatest amount of hitting surface or better control of the ball.

A bolt catch assembly for a firearm lower receiver having a symmetrical and ambidextrous finger pad in an ergonomic location at the front of the trigger-well which operates the catch and release function of the bolt catch. The finger pad moves in a vertical motion; up to catch the bolt, and down to release the bolt. It may be operated from the left or the right finger pad by a left-hand finger or a right-hand finger. The finger pad is affixed to a vertical link which has a tooth at its top end which engages a groove on the edge of the bolt catch to make the bolt catch pivot. The vertical link includes an elongated slot that accommodates a magazine release shaft.

A portable emergency response kit designed for rapid intervention in opioid overdose or cardiac arrest scenarios comprises a durable case with compartments for specific medical devices, such as opioid overdose treatment medication or an Automated External Defibrillator (AED). The case features a breakable closed circuit that is, upon opening, triggered to send a signal to notify emergency medical services (EMS) or predefined contacts of the kit's location.The system utilizes GPS module and may include dual-mode communication capabilities for reliable alert transmission in various environments. Additional features may include a transparent case material for visual confirmation of contents, tamper-evident seals, QR codes linked to instructional content, and a battery power source. The kit is designed to be user-friendly, incorporating ergonomic elements and optional accessories for enhanced portability and storage, ensuring rapid and effective response in critical situations.

An operator control device for a materials-handling vehicle includes an ergonomic handle rotatably mounted on a support structure secured to the vehicle in a fixed position. The ergonomic handle can include left and right handles. Each handle comprises an upper surface contoured to ergonomically support an operator's hand. Clockwise and counter-clockwise rotation of the control device produces a steering input used to steer the vehicle. A thumb-operated switch can be arranged on the right or left handle to control lift operations and a separate thumb-operated switch can be arranged on the opposite handle to control a speed of the vehicle. Each switch can be operated without requiring the operator to move his / her hand from an operating position. Dynamic stability is provided by enabling an operator to use the handle to provide a bracing force during operation of the vehicle.

The invention discloses a non-active finger exoskeleton and a non-active hand exoskeleton. The finger exoskeleton comprises a fixed seat, an upper pull rod, a lower pull rod and knuckles. And the far end of the upper pull rod is connected with the middle ends of the knuckles and the near end of the central pull rod. The near end of the lower pull rod is connected with the fixed seat, and the far end is connected with the knuckle near end. A unique ergonomic design is adopted, a user is allowed to control the exoskeleton through simple hand actions without depending on external power, complex holding and operation tasks are completed, and the life self-care ability of a person with finger amputation or insufficiency is remarkably improved.

This invention relates to the field of game device technology and discloses a Sudoku game device, which includes a base, a game board, and a support member. The base has a first receiving groove with its opening facing upwards. The game board is disposed above the first receiving groove, and its side facing away from the first receiving groove has multiple placement grooves for placing game pieces. One end of the support member is hinged to the base, and the other end of the support member is hinged to the game board, so that the game board has a first state and a second state. When the game board is in the first state, a predetermined angle is formed between the game board and the plane containing the opening of the first receiving groove. When the game board is in the second state, the game board covers the opening of the first receiving groove. Based on the above structure, there is no need to look down to observe when playing the game, which is more ergonomic and less likely to cause neck discomfort, resulting in a better user experience. Secondly, the way the support member is hinged to the base and the game board respectively makes the movement of the game board more flexible, and the cleaning and storage of game pieces more convenient.

The present invention provides a safety container for storing and dispensing hazardous liquids, such as fuel, featuring a teardrop-shaped spout and various lid-lock mechanisms. The teardrop-shaped spout is ergonomically designed to provide controlled and precise pouring, reducing spills and enhancing safety. The safety container may include one of multiple innovative lid-lock mechanisms to maintain the lid in an open position during pouring. These lid-lock mechanisms may include: (1) a pin-lock mechanism with a slide linkage piece, angled rotating pin piece, and locking hole; (2) a bi-stable lid-lock mechanism utilizing an internal spring in the handle for automatic lid positioning; and (3) bi-stable springboard lid-lock mechanisms using either flexible curved portions or a springboard platform with springs for biasing. Each lid-lock mechanism ensures the lid remains securely open during use and closed when not in use, providing reliable and safe handling of hazardous liquids.

The utility model provides a printer anti-offset mechanism, which relates to the technical field of thermal transfer printing, and comprises a middle frame, one side surface of the middle frame is hinged with a flip cover, a first rack and a second rack are respectively arranged in the middle frame, one side surface of the first rack and one side surface of the second rack are connected with baffle plates through screws, and the baffle plates are connected with the flip cover through screws. A transmission gear is installed in the middle frame, and the side faces, close to each other, of the first rack and the second rack are engaged with the outer surface of the transmission gear. According to the anti-deviation mechanism of the printer, the shifting wheel body with the large diameter is arranged outside the middle frame, so that the operation mode better conforms to human engineering, operation is conducted on the side face of the printer, whether paper is stably placed and clamped in place or not can be more accurately confirmed through cooperation of hands and eyes, the user experience can be improved, the operation mode is simplified, and the operation efficiency is improved. The locking mechanism does not need manual operation, and locking of the shifting wheel body can be completed while the turning cover and the middle frame are closed.

The utility model relates to the technical field of clinical medicine, and discloses a visual detacher which comprises a handle body, a positioning shaft body and a threaded sleeve, the positioning shaft body is fixedly installed on the front face of the handle body, and the threaded sleeve is connected to the outer surface of the positioning shaft body in a threaded mode. A switch and a Wi F i module are arranged on the outer surface of the handle body, a high-definition camera is arranged at the top end of the positioning shaft body, fixing threads connected with a threaded sleeve are arranged on the outer surface of the positioning shaft body, and a stripping sub-head located over the high-definition camera is arranged at the top end of the threaded sleeve. According to the visual detacher, by means of the high-definition camera and the cold light source, a doctor can clearly observe the costal cartilage detaching condition in the operation process, damage to surrounding tissue is reduced, the operation time is shortened, the operation success rate is increased, in addition, human engineering is considered in the design of the visual detacher, the doctor feels more comfortable in the operation process, and the operation efficiency is improved. And the operation fatigue is reduced.

The present invention is a drying towel with integrated handles, configured to enhance drying efficiency, comfort, and usability. The towel features a generally figure-eight shape, comprising a first circular lobe, a second circular lobe, and a central constriction member that provides ergonomic flexibility. A handle is disposed at opposing ends and each handle includes a hollowed-out loop for a secure grip, enabling users to pull, stretch, and maneuver the towel effortlessly across the body. The towel is multi-layered, with a soft, moisture-wicking top layer for gentle drying and a textured bottom layer for exfoliation and scrubbing. The handles incorporate a non-slip grip to prevent slippage, especially with wet hands.

The present patent describes a mechanical system for transporting pets in passenger areas of vehicles and aircraft which, according to the features thereof, enables the formation of a mechanical system (1) for transporting pets having its own specific structure mounted by means of a structured assembly on the seat (A) inside the means of transportation (C) such as vehicles and aircraft and based on an anchoring base (2) fastened to the internal seat (A), a comfort platform (3) fitted onto the anchoring base (2) to support the pet, and a safety harness / chest strap (4) fastened around the pet and to the comfort platform (3) to anchor the pet, with a view to allowing complete optimization of efficiently ergonomic pet transportation procedures through effective, safe, and comfortable restraint in the passenger areas inside the cabin of the means of transportation (C).

The invention specifically discloses a golden sight distance sitting posture management method with read-write sitting posture non-inductive behavior intervention, and relates to the technical field of ergonomics. The method comprises the following steps: firstly, selecting a learning table and chair or an office table and chair with centimeter-level accurate height adaptation ability; secondly, according to the height of the user, the table top height, the under-table clearance height, the seat height and the seat depth are accurately matched; after the user sits, the sliding chair is inclined forwards until the distance between the abdomen and the table edge is smaller than one fist and the body is straightened, and braking is triggered; finally, final sitting posture intervention is completed through on-site training of health teachers, personal service guidance, instruction of character labels on tables and chairs, instruction text guidance or reminding of an intelligent human body induction device. According to the golden sight distance sitting posture management method for reading and writing sitting posture non-inductive behavior intervention, the user can be helped to develop a good reading and writing sitting posture habit of the golden sight distance larger than or equal to 33cm in the field, the waist and the back are leaned, the table top is located on the abdomen, and the physical health and the learning efficiency of the user are promoted.

The invention relates to a portable toothbrush comprising a brush head (10), a brush handle (20), and a cap (30). The brush head (10) can be attached to the brush handle (20) by means of a tab (12) during use. During storage, it can be placed in a compartment (21) inside the brush handle (20). It comprises brush bristles (11) arranged in an octagonal pattern, enabling easy access to the surfaces of the teeth. The brush handle (20) has an ergonomic design that can be comfortably held in the hand and comprises a compartment (21) into which the brush head (10) can be placed. In addition, the opening (22) between the brush handle (20) and the brush head (10) allows ventilation when the brush head (10) is placed into the compartment (21), thereby preventing moisture formation. The octagonal-shaped cap (30) is attached to the head portion of the brush head (10) so as to cover the brush bristles (11), preventing the brush bristles (11) from coming into contact with contaminated surfaces.

An information handling system may include an information handling resource comprising a circuit board and an ergonomic assembly mechanically coupled to the information handling resource. The ergonomic assembly may include a main body mechanically attached to the circuit board via a press-fit mechanical coupling to a top edge of the circuit board and a latch mechanically coupled to the main body and having a first mechanical feature configured to mechanically engage with a second mechanical feature of the main body in order to secure mechanical coupling of the ergonomic assembly to the information handling resource.

Disclosed is an ergonomic device for mixing fluids with controlled metering, provided with at least a mixing system adapted to allow an automatic mixing in predetermined quantities of an additive fluid with a primary fluid. The device includes: at least a first coupling flange and a second coupling flange, provided with a plurality of connection systems, which may be located in the zone, and seals adapted to contain fluid leaks; a substantially cylindrical body of the device adapted to house a mixing system; a mixing mechanism consisting of an axis and a plurality of blades; at least one ergonomic grip; possibly an integrated train of reduction gears which transmits the correct torque and number of revolutions to the pump; at least one gear pump or equivalent device; possibly a gearbox; and a final metering nozzle.

The utility model belongs to the technical field of medical instruments, and particularly relates to a dressing change cart which comprises a cart base formed by welding high-strength steel, a modularly-designed bearing plate frame B is installed on the top of the cart base in an inserted mode, a bearing plate frame A is further installed on the upper portion of the bearing plate frame B in an inserted mode, and the bearing plate frame A and the bearing plate frame B are rapidly assembled and disassembled through a sleeve and an insertion rod. The carrying plate frame A and the carrying plate frame B are spliced end to end to form a stretcher for emergency patient transportation, one end of the carrying plate frame A and one end of the carrying plate frame B are respectively provided with a carrying plate handle A and a carrying plate handle B which accord with ergonomics, anti-skid materials are adopted, an adjustable fixing device is arranged to improve carrying comfort and safety, and the connecting components comprise butt joint bent pipe ends A and B, butt joint buckles and large-head screws. And the supporting rods are welded to the upper surface of the vehicle base and correspond to the sleeves through the combined insertion holes, and the height consistency and the connection stability of the bearing plate frame A and the bearing plate frame B are guaranteed.

The present invention relates to a female undergarment for assisted urination comprising panties (1) or a belt that, by means of elastic securing means, integrates and holds an ergonomic reservoir (3) provided with an outlet duct (4) extending to the outside of the panties (1). The reservoir (3) has a mouth that can be oriented towards the urethral opening of the user.

The utility model discloses a liquid storage bottle and an atomizing device, the liquid storage bottle comprises a bottle body and a sliding piece connected to the bottle body, the sliding piece is provided with a friction part and a sunken part, and the sunken part is a finger-shaped sunken part. The friction force generated when the fingers of the user press the sliding piece is increased through the friction part, external force can be conveniently applied to the user, the use convenience of the user is improved, the use comfort of the user is improved through the human engineering design of the finger-shaped sunken part, and then the user experience is improved. The atomization device is applied to the field of atomization devices.

A method of removing a foil (17) or strip (46) from an inner surface (14) of a mould (7) for casting a wind turbine blade (3) or a part thereof, the foil (17) or strip (46) comprising a non-stick material (18) on the inner side configured to not react with resin during casting (S1, S2, S3) and an adhesive material (19) on the outer side, the adhesive material (19) being adhered to the inner surface (14) of the mould (7), the non-stick material (18) being configured to react with resin during casting (S1, S2, S3). The method comprises: a) locally heating (S5) the foil (17) or strip (46) in order to soften the adhesive material (19); and b) applying (S6) a pulling force on the foil (17) or strip (46) to remove the foil (17) or strip (46) from the inner surface (14) of the mold (7). By means of local heating of the foil or strip, it is no longer necessary to rely on the waste heat of the mold after the removal of the cast wind turbine blade This has ergonomic advantages and makes the process more flexible.

Kitchen vegetable peeler with ergonomic wooden handle and stainless steel blade