1574 results about "Human engineering" patented technology

The invention is directed to an ergonomic tool holder, adaptable to a conventional pole and having a handle and a supporting base. These are coupled to an interconnecting unit in a non-permanent manner. The coupling of the handle to the interconnecting unit and the coupling of the supporting base to the interconnecting unit allows the tool holder to be assembled, having the handle in straight or multiple angled positions with regard to the supporting base and wherein the tool may be held and positioned along the X-X, Y-Y, or Z-Z axes. A given conventional utensil used in working activities such as painting or maintenance may be clamped and secured on the supporting base. Thus, the User may position such utensils in the tool holder straight or in the angled position at their convenience and may change such positions easily and quickly.

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

The invention provides an intelligent ring and an intelligent system with the same. The intelligent ring is of an annular structure and is provided with an opening, and the intelligent ring comprises a shell part arranged on the annular outer side of the annular structure, a first contact part arranged on the annular inner side of the annular structure and a second contact part arranged on the annular opening side of the annular structure; the first contact piece is arranged on the main body part of the annular structure, a gap space is formed between the shell piece and the first contact piece, and a plurality of electronic elements are contained in the gap space. According to the scheme provided by the invention, the shape of the ring can be more adjustable through the design of the annular opening of the intelligent ring, so that the ring is more in line with human engineering, dynamic adjustment is realized through the design of the movable opening, the wearing flexibility is improved, the ring can adapt to fingers of various different sizes, a user can wear the ring conveniently, and the user experience is improved. Meanwhile, damage caused by extrusion or collision is effectively avoided in an exquisite electronic element integration mode, and comfort, intelligence and adaptability of the intelligent ring are guaranteed.

The present disclosure relates to visualization systems system for surgical procedures, and more specifically, to an imaging and display support system for ophthalmic visualization systems. The optical system described herein provide improved ergonomics for surgeons, as such systems incorporate an optical head and a corresponding display on a single support arm to provide surgeons a direct and unobstructed view of the corresponding display screen placed in an ergonomically advantageous position for ophthalmic procedures. Such systems also maintain the corresponding display screen in the aforementioned in an ergonomically advantageous position even if the optical head of the system is moved or rotated during ophthalmic procedures without the need for further adjustments by the surgeon or surgical staff.

The present invention describes a fixation system for the backstrap of pistol grips, preferably micro-compact pistols. The present invention aims to promote better ergonomics for different users of the same pistol. As each person has different hand dimensions, it is not possible to develop a grip geometry that ensures an ideal hold for everyone, thus, the present invention describes a system that allows the interchangeability of backstraps of different sizes, all of which can be fitted to the pistol's grip. To attach the backstrap to the grip, a housing and a tab equipped with at least one through-hole are designed on the grip and a protrusion is arranged on the backstrap, which fits into said housing, and holes for a connecting element to be inserted and held in the holes and the through-hole.

A pull tab for opening a container with a lidded frangible region and rivet is disclosed. The pull tab comprises a tapered body with a nose portion, lift portion, and opposing sides. A rivet island aperture defines a rivet island with a rivet aperture for lid attachment. The tab features two bends: one between the nose and lift portions, another between the rearward end and the first bend. The entire lift portion is elevated above the container lid, improving finger access. Total height from the bottom of the nose portion to the top of the lift portion ranges from 1 to 4 millimeters, allowing better lid stacking while maintaining usability. Various angles and bend positions optimize flexibility, durability, and ergonomics. An optional third bend creates an ergonomic contour. The tab's dimensions accommodate different lid sizes and user preferences, balancing comfort, opening efficiency, and compatibility with various container lid types.

A progressive die manufacturing method for producing pull tabs with raised lift ends for beverage containers utilizes an ear carry process, producing tab blanks from a carrier sheet fixed by carrier strips at attachment points. At a tab station, blanks are formed into pull tabs with specific features including a nose, rivet receiving portion, lift portion, and preferably a finger hole. A lift station creates deformations elevating the lift portion relative to a highest continuous surface of the pull tab, prior to any deformations or bends. The carrier strips are then cut to release the finished pull tabs. Optional enhancements include an integrated or modular lift station, specific bending angles and distances, and a center bar for indicia application. This method combines the benefits of the ear carry process with improved ergonomics, enhancing user experience while minimizing machinery modifications.

An ergonomic neck fan comprises two fan shells for wearing around the neck of the user, and a silicone assembly. The interior of each shell is provided with a fan and cavity wall, and each shell comprises a shell body and a shell rear cover. Air guide components are provided inside the shells, and the air guide components cooperate with the cavity walls to divide the interior space of the shell body into an air outlet assembly and a storage cavity. The air outlet assembly comprises a fan cavity for placing the fan, and a horn-shaped air duct. The invention achieves high-speed airflow and efficient transfer, enabling the wind pressure towards the user's face and neck to be stronger and adaptable to different body shapes in outdoor and sports scenarios, allowing the user to be cooled by the wind and providing a better cooling effect and lower noise.

An ergonomic stabilizer pad and ergonomic assembly that stabilizes equipment—e.g., cranes or vehicles with outriggers—during use as well as protects the ground surface on which the equipment is placed. The stabilizer pad includes an ergonomic handle and arrangement. An ergonomic stabilizer pad assembly comprises modular components that divide the weight of the assembly between individual components. Each component can be separately transported and a stabilizer pad assembly quickly and easily constructed and deconstructed. Furthermore, the ergonomic stabilizer pad assembly compensates for deflection of the pad that occurs during use and may be used with existing stabilizer pads. The invention eases lifting tasks associated with transporting and positioning stabilizer pads and may reduce the incidence of user injuries. According to the invention, any size pad, even large sizes with a large weight, can be easily handled.

The invention discloses a human body working posture evaluation method and system based on deep learning, and the method comprises the steps: uploading a working posture image of an operator, detecting the working posture image through a key point detection model, and obtaining key point information; calculating a reliability index of the working attitude image, and judging whether the image is reliable according to the reliability index; calculating a human body part included angle by using a cosine law according to the key point information, and setting an empirical coefficient for optimizing a human body part included angle value; removing values exceeding a preset range in the human body part included angle, and calculating an ergonomic score of the working posture according to the human body part included angle by using a working posture evaluation method; the working posture with the ergonomic score larger than a preset value is found, and an optimization scheme for preventing musculoskeletal diseases and a scheme for relieving pain are provided. Therefore, the efficiency and the accuracy of human body working posture evaluation are improved. The deep learning-based human body working posture evaluation system is used for realizing the method, and is convenient for a user to operate and use.

Container (100) with valve for storing, dispensing and transporting aircraft fuel additives, which allows speeding up and simplifying the mixing and refueling process, through numerous smart functions and an innovative valve system (40). The invention uses recyclable materials, reduces the mixing action time and / or the need to mix large quantities of liquids, guarantees the safety of things and people in the work area and is easily transportable due to its ergonomic and compact shape. The device comprises a body (10) capable of resisting impacts; a hermetic sealing system (12) to protect the contents; a coupling system (16); a sensor or a level gauge (17) connected, possibly where the working environment allows it, to an alarm system (14), suitable to warn the operator of the exhaustion of the additive by means of a luminous LED signal.

An ergonomic hand grip strengthener includes a front operation handle for ergonomic placement of an index finger, a middle finger, a ring finger and a pinky finger of the holding hand of the user, a rear operation handle for abutting against a thumb and a palm of the holding hand of the user, and a strength adjustment assembly for adjusting a resistance applied to approaching movement between the front operation handle and the rear operation handle.

The virtually divided input trackpad disclosed herein is designed to provide enhanced ergonomic user interaction with digital interfaces. The virtually divided input trackpad comprises two virtually separated functional areas, each of which may be dedicated to distinct functionalities such as object movement and object rotation. This arrangement allows for simultaneous two-handed operation, offering users an intuitive, efficient, and accessible way of controlling digital environments, which is especially beneficial for users with specific accessibility needs.

A work environment adjustment system includes multiple instances of controllable office equipment located within an office space, each instance associated with a specific office location and including an activator for controlling states of the instance, at least one presence sensor for detecting user presence within each space associated with each instance, and a master controller linked to each office equipment activator to control activation of each activator to control a current state of each instance. The master controller is programmed to perform the steps of receiving sensor signals from the at least a first presence sensor, determining user presence at each space associated with each instance, controlling states at each of the instances independent of user input when the space associated with the instance is vacant, and enabling user control of the state of each instance associated with a space that is occupied by a user.

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.

A user interface comprising a touch screen display can be placed above a patient. An arm allows a user to place the user interface above the patient and provide inputs related to treatment. The arm is configured to place the display above the patient in relation to a probe inserted into the patient and view an image shown on the display, which can facilitate movement of the probes in response to the image shown on the display. The probe is located below the display, and the user is able to reach and adjust the probes while viewing images on the display. The user interface is configured with an image display area and a control panel, in which the control panel is located below the image display area, which allows the user to readily provide inputs to user interface while viewing the display and manipulating the one or more probes.

A vertically oriented honing guide for sharpening edged tools is disclosed. The vertically oriented honing guide for sharpening edged tools eliminates nearly all setup time and is compatible with commercial products by orienting the tools vertically and through the use of a linear guide system. This eliminates the need for tool clamping, facilitates direct angle setting, improves ergonomics, and allows the use of generic sharpening media. Yet, the vertically oriented honing guide for sharpening edged tools may alternatively incorporate a clamping mechanism to clamp tools being sharpened.

The invention discloses a spring torsion device, a spring torsion system and an operating device. The spring torsion device comprises a sleeve, an axial torsion adjusting piece, a compression spring, a driven piece and a driving piece, the two ends of the compression spring abut against the axial adjusting piece and the driven piece respectively. The driving piece and the driven piece are in transmission fit through a spiral motion pair so as to drive the driven piece to move upwards to compress the compression spring and reset under the action of the compression spring after external force is removed. And the adjusting part on the main shaft is exposed through the opening at the upper end of the hollow part of the sleeve so as to realize rotary adjustment of the main shaft. In actual use, rotation control over the main shaft can be achieved by applying torque to the adjusting part, and then compression amount adjustment of the compression spring is achieved by controlling displacement of the axial torsion adjusting piece so as to meet adjustment of torsion output. In addition, the torsion system is provided with two spring torsion devices which are combined to achieve adjustment of independent torque in different angle areas, the human engineering requirement is met, and the use requirement of a user is met.

Ergonomic high-heeled shoes that are described. Such high-heeled shoes can include a support surface for receiving an external front part of a foot. The support surface is configured to reduce stress concentration on first and second metatarsal heads, as well as reduce other deforming forces placed on the forefoot. Additionally, the support surface may be configured to counteract the anterior force vector experienced with increasing heel height to further reduce deforming forces placed on the forefoot.

The present disclosure includes an article of exercise equipment, such as, to a dumbbell having an ergonomic design. In some embodiments, the dumbbell may comprise an exposed metal handle having a central longitudinal axis extending through the handle; two heads located at opposite ends of the handle, with each of the heads including an outer end face and an inner end face positioned closer to the handle than the outer end face, and a plurality of side faces disposed between the outer end face and the inner end face; and a plurality of rims. Each of the plurality of side faces may face radially outward away from the central longitudinal axis, and each rim of the plurality of rims may include a fillet.

A tool holder for a gun-shaped power tool includes a base including a first slot and a second slot extending parallel to the first slot, a first support member adjustably securable along the first slot and along a first side of the base, and a second support member adjustably securable along the second slot and along the first side of the base. A tool bit and / or a barrel of the tool may be supported by surfaces of the support members when the tool is stored in the tool holder, so that a grip of the tool is readily accessible by a user. The power tool holder provides a structure for ergonomically positioning and storing a gun-shaped power tool, improving the ease and speed of access of the tool during assembly operations.

A traction device comprising: a bed frame with a bed board placed on top of the bed frame, the bed board includes four bed board sections: wherein the first bed board section is movable, featuring an ergonomic cervical cushion, a head fixing device that fully encloses the head, and a chin strap; the second bed board section is fixed, equipped with multiple stoppers that are adjustable according to the users body shape, including shoulder stoppers for counteracting cervical traction and armpit stopper shafts for counteracting thoracic and lumbar traction; the third bed board section is movable, featuring an ergonomic lumbar cushion and iliac stoppers that are adjustable according to the users body shape; and the fourth bed board section is movable, with multiple foot fixing devices composed of an upper part shaped to the arc of the dorsum of the foot and a lower part shaped to the arc of the heel.

A rifle has a body, a magazine slot, a handle, a lower mechanism movable between primary and secondary positions in the direction of the barrel extension to drive bullets into the barrel and a monoblock rifle mechanism having an upper mechanism extending over the barrel of the rifle. A primary lock slot is provided on the upper mechanism, and a secondary lock slot on the barrel. One end of a main arm is rotatably connected to the barrel. A button is connected to the main arm so that the user can move the main arm. When the button is pushed from the barrel towards the upper mechanism, if the rifle mechanism is retracted, it will snap into the primary lock slot. If the rifle mechanism is retracted, it includes a mechanism stopper with a lock lever that fits into the primary lock slot and prevents the rifle mechanism from moving.

An autonomous system and method thereof for mass individual treatment such as injection of livestock or wild animals from a herd or group for precise delivery of a technical treatment or substance to an animal by intramuscular (IM) injection, subcutaneous (SQ) injection, or any transdermal injection, spraying, pouring-on, tagging, cooling, pinning, gluing or saddling, is described. The system comprises an ecological and ergonomically-designed smart grooming passageway for a single animal to move into and be calm while safely and snugly embraced for injection, and then motivated to move forward, allowing the next animal to amble in, after injection. The system has an adjustable autonomous device carrying an injection assembly with a number of injectors for delivery of injectable substances, as well as pre-injection desensitization and disinfection, and comprising a temperature control means for maintaining optimal and constant temperature of injectable substances. A camera and sensor array send various data to a controller and processor to determine the optimal individualized treatment. The system then instructs the injection assembly to inject injectable substances into a predefined injection target triangle of the animal's triangular mass of muscle on the side of the neck or any other injection target, thus achieving the highest efficiency and least amount of damage and stress to the animal, without risk to humans.

The invention belongs to an aircraft assembly technology, and relates to a tubular sleeving type structure high-precision cross hole forming device and method. The device is composed of a device body structure, a connecting pipe positioning mechanism, a connector positioning mechanism and a drill jig. The device body structure is composed of a device body structure, a connecting pipe positioning mechanism, a connector positioning mechanism and a drill jig. The device body structure is provided with a connecting pipe positioning mechanism, a connector positioning mechanism and a drill jig. The connecting pipe positioning mechanism is used for positioning and fastening a connecting pipe on the device main body structure, the joint positioning mechanism is used for positioning and fixing a joint on the connecting pipe, and the drilling jig is used for drilling holes in the connecting pipe to ensure the drilling position degree and precision. The economical efficiency is excellent; the drilling quality is consistent and stable, ergonomics is met, the labor intensity of an operator is low, and operation is convenient. Through long-term application verification, the method has the characteristics of high reliability, stable quality and the like, and has wide popularization and application values.

An improved glove has both anatomically correlating stress relief zones and / or reinforced zones to add support in areas opposite the stress relief zones to keep bunching or slipping of the glove from interfering with the bending of the user's joints. The glove may have corrugated relief zones over some or all of the joints and knuckles of the hand, wherein the relief zones are formed of peaks and valleys. A relief zone can also be provided over the webbing between the thumb and the palm. The vertical or longitudinal relief zones provide for improved glove quality while keeping manufacturing difficulty and costs at a minimum.

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.