39 results about "Fourth toe" patented technology

An article of footwear having an upper secured to an outsole in combination having three toe pockets, the first toe pocket having a configuration to separately receive within a big toe of a wearer, and the second toe pocket having a configuration to separately receive within a second toe of the wearer, and the third toe pocket having a configuration to receive within the remaining third toe, fourth toe and fifth toe of the wearer.

A device for the realignment of hammer toe deformities comprising a dorsal piece and a plantar piece parallel thereto. The dorsal piece and the plantar piece are held together by a first and a second connecting arm. The device being of a resilient material and of a unitary construction is suitably sized and shaped to fit around the wearer's foot, within the wearer's shoe in a position wherein the dorsal piece rests across the bases of at least two of the central three toes of the wearer's foot and the plantar piece is tapered laterally and is comma shaped to fit in the sulci formed by the central three toes of the wearer's foot. The first connecting arm extends through the interspace between the hallux and the second toe and the second connecting arm extends through the interspace between the third toe and the fourth toe.

A sock 1 according to the invention is provided with an outer low-elasticity portion 7 having a length extending from a region near a base part of a fifth toe to a region near an outer malleolus part 3a via an outer face, and a width extending from a region near a first toe side of a fourth toe on an instep side to a region near a first toe side of the fifth toe on a volar side, an upper taping low-elasticity portion 8 formed in a direction substantially toward an inner malleolus part 3b side from a portion between the ankle and the region near the first toe side of the fourth toe in the outer low-elasticity portion 7 on the instep side, and an upper ankle low-elasticity portion 10 formed in the upper ankle part in a circumferential direction.

A sole and footwear provided with such soles are capable of properly controlling the movement of a foot pressure center, using a simple configuration. This sole includes: a sole body 41 which forms each bottom part of the footwear; and a foot pressure protrusion portion 43 which is provided in this sole body 41, and guides a foot pressure center corresponding to the center of a pressure applied to the bottom of each foot that moves when a person walks or runs, along a predetermined foot pressure center route from the heel toward the vicinity of the root of the fourth toe.

The invention discloses a humanoid robot two-freedom-degree parallel-connection shock absorption mechanical foot, and belongs to the field of humanoid robots. The mechanical foot comprises an upper metatarsal bone, an ankle shaft arranged on the upper metatarsal bone, a lower metatarsal bone, four shock absorption guide columns, a toe joint shaft, a big toe, a second toe, a third toe, a fourth toe, a small toe, a tensile spring A, a tensile spring B, and a toe spring for connecting the toe joint shaft with the lower metatarsal bone. A shank rod is arranged on the ankle shaft. The tensile spring A and the tensile spring B are symmetrically arranged on the two sides of the shank rod. The four shock absorption guide columns are of the same structure and each comprises a universal joint arranged on the upper metatarsal bone, a connecting rod, a sleeve arranged on the lower metatarsal bone, a tensile spring arranged in the sleeve, and a slide block. The initial state of the shank rod is vertical, and accordingly the tensile spring A and the tensile spring B are in a zero-force state. The humanoid robot foot is simple in structure and has two movement freedom degrees, a shock absorption function and a parallel-connection mode.

The invention relates to a pair of perceptive blind guiding shoes. Each perceptive blind guiding shoe comprises a shoe pad, an upper and a sole, wherein the upper and the sole are fixed together, the shoe pad is arranged on the sole, the upper is fixedly connected with a shoe lining, the shoe lining is provided with nipple-like convex pins at positions corresponding to a big toe tip, a big toe convex point, a second toe tip, a third toe tip, a fourth toe tip, a small toe convex point, a first metatarsophalangeal joint convex point, a fifth metatarsophalangeal joint convex point and a back arc convex point of the shoe lining, and a forefoot sole of the shoe pad is provided with nipple-like convex pins at positions corresponding to a first and second toe cross point, a third and fourth toe cross point, a fourth and fifth toe cross point, a middle waist of the shoe pad, an upward bending point of a foot scaphoid, an outer side of a heel and an inner side of the heel. When the shoe touches an obstacle in a certain direction, the nipple-like convex pin in this direction stimulates a nervous system of the foot to allow the blind to make a response in time to prevent situations such as fallings and injuries from occurring, and the perceptive blind guiding shoes have the characteristics of convenience in use, avoidance of influences of external noisy environments and remarkable effect.

A hallux valgus brace has an L-shape with a downward, pry arm portion and a horizontal, lever arm portion. The pry arm portion inserts in the interspace between a wearer's big and second toe. The lever arm portion overlies the second and third knuckles of at least the second through fourth toes of the wearer. An applied force on the lever arm portion translates into a force against the big toe prying it from out and from under the wearer's second toe. The applied force is typically supplied by the wearer's shoe or sandal.

A footbed for a skate boot having a quarter and a toe cap defining an internal space for receiving a human foot having a heel, an ankle, medial and lateral sides, a big toe, second, third and fourth toes, a little toe and a plantar surface, the footbed comprising: (a) a sole portion for facing the plantar surface of the foot, the sole portion having medial and lateral sides and front and rear ends; and (b) medial, front and lateral walls extending from the front end of the sole portion, the medial, front and lateral walls being movable from a first position, wherein the medial, front and lateral walls are generally in the same plane than that of the sole portion, to a second position, wherein each of the medial, front and lateral walls define an angle with respect to the sole portion such that, in use, the medial, front and lateral walls face the toes and are located between the toes and the toe cap of the skate boot. In one embodiment, the medial, front and lateral walls are replaced by first and second lateral walls, each having at least one flexing zone extending in a direction that is general traversal relative to the sole portion.

The invention discloses a pair of ventilating insoles. Each ventilating insole mainly comprises an insole body for a human body to step on, each insole body can be divided into an arch part corresponding to the foot sole structure of the human body, a heel part arranged at the rear side of the arch part, a toe part which is arranged at the front side of the arch part and corresponds to a first toe, a second toe, a third toe, a fourth toe and a fifth toe, as well as a metatarsal bone part arranged between the arch part and the toe part. The pair of ventilating insoles is characterized in that each insole body is provided with a first gas channel arranged on the bottom surface of the insole body, and each first gas channel longitudinally extends to the position close to the heel part towardthe heel part from the position, close to the front periphery of the toe part and corresponding to a position between the first toe and the second toe, and then further transversely extends to the position close to the inner periphery or the outer periphery of the heel part. Accordingly, the pair of ventilating insoles disclosed by the invention has a good ventilation effect, no odour can be produced easily, and thus the comfortable sensation of the foot sole of the human body can be enhanced.

The invention discloses a four-freedom-degree series-parallel high-frequency mechanical humanoid robot foot, and belongs to the field of humanoid robots.The foot comprises a mechanical shank, a tarsal skeleton, a metatarsal skeleton, parallel toes, an ankle joint, a tarsometatarsal joint and a metatarsophalangeal joint; the mechanical shank is installed at the right end of the tarsal skeleton through the ankle joint, the left end of the tarsal skeleton is connected with the right end of the metatarsal skeleton through the tarsometatarsal joint, and the left end of the metatarsal skeleton is connected with the parallel toes through the metatarsopphalangeal joint; the parallel toes comprise the big toe, the second toe, the third toe, the fourth toe and the small toe, the metatarsophalangeal joint comprises a big toe gear shaft, a small toe gear shaft, a fourth motor frame and a fourth motor, the tarsometatarsal joint comprises a small metatarsal bone gear shaft, a big metatarsal bone gear shaft, a third motor frame and a third motor, and the ankle joint comprises a small ankle gear shaft, a big ankle gear shaft, a second motor, an ankle rotating shaft, a flange plate and a first motor.The humanoid robot foot is reasonable in structure, has four motion freedom degrees and the high-frequency motion characteristic and is in a series-parallel mode.

The invention discloses sterilization and deodorization massage stockings. Each sterilization and deodorization massage stocking comprises a stocking body and a smooth layer, wherein a heel thickening layer is arranged at the rear end inside the stocking body; an ankle thickening layer is arranged above the heel thickening layer; the outer side of the stocking body is connected with a hanging belt; the upper end of the stocking body is connected with a lengthening body through a zipper; a closing device is mounted on the outer side of the zipper; covering cloth strips are connected to both the inner and outer sides of the lower end of the lengthening body; stocking holes are formed in the upper surfaces of the stocking body and the lengthening body. By the adoption of the design of the heel thickening layers, the ankle thickening layers, the covering cloth strips, the lengthening bodies, third-toe holes and fourth-toe holes which have the rear ends communicated with each other, antiskid particles, the smooth layers, sterilization and deodorization layers and cotton cloth layers, the sterilization and deodorization massage stockings are favorable for protecting the heels and the ankles of a user, can prevent the heels and the ankles from being hurt, prevent shanks from being galled by the zippers, relieve the pain caused by wearing of shoes and massage the soles of feet, is beneficial for the health of the user and can enhance the wearing comfortableness.

A short pitch tooth chain that reduces the level of impact noise generated during operation is disclosed. A chain system includes a first sprocket having a plurality of sprocket teeth spaced apart by a first distance, a second sprocket also having a plurality of sprocket teeth spaced apart by the first distance, and a short pitch tooth chain wrapped around the first and second sprockets. The short pitch tooth chain includes a first link having a first aperture spaced from a second aperture by a second distance, a second link having a first toe spaced from a second toe by the first distance, the second link having a third aperture and being connected to the first link by a first pin extending through the first and third apertures, and a third link having a third toe spaced from a fourth toe by the first distance, the third link having a fourth aperture and being connected to the first link by a second pin extending through the second and fourth apertures. The first distance defines a sprocket chordal pitch and the second distance defines a chain pitch wherein the chain pitch is about twice the sprocket chordal pitch.

The invention discloses a bionic shoe sole with adhesion and wear-resisting functions. The bionic shoe sole comprises a foot sole part, a foot arch part and a heel part; a pangolin scale-like protrusion structure is arranged at the front part of the foot sole part, front toe groups simulating straight movement gaits of pheasants are arranged at a large foot sole portion at the rear end of the footsole part, and front toe groups simulating turning movement gaits of the pheasants are arranged at a small foot sole portion at the rear end of the foot sole part; an ostrich scale-like long strip structure is arranged at the rear part of the heel part, rear toe groups simulating the straight movement gaits of the pheasants are arranged at a large heel portion of the heel part, and rear toe groups simulating the turning movement gaits of the pheasants are arranged at a small heel portion of the heel part. The shoe sole is based on the macroscopic shape of ostrich scales and pangolin scales and the straight and turning movement gaits of the toes of the pheasants, wear-resisting areas of the foot sole part and heel part are designed, a size relationship between the front and back toes of the second, third and fourth toes is determined, and the adhesion, wear resistance and direction change capability are effectively improved.

[Problems] To provide an interdigital pad to be fitted on toes, so that interdigital pad portions are positioned between adjacent toes, to produce a firmly-standing force, to produce a force for holding the pad by toes, and to correct the standing posture and walking posture so as to keep a proper or good posture in walking and in exercise. [Solution] An interdigital pad for toes, made of an elastomer material having elasticity and flexibility, characterized by a larger diameter engaging ring part to be fitted on the big toe and providing an interdigital pad portion positioned between the first toe and the second toe, a smaller diameter engaging ring part to be fitted on the fourth toe and providing an interdigital pad portion positioned between the third toe and the fifth toe, a base part connecting said engaging ring parts and to be positioned on the sole of the foot, a projected part functioning as an interdigital pad portion when the projected part is fitted between the second toe and third toe, and being caught by the second tor and third toe, said base part and two engaging ring parts forming an arched edge which contacts with the roots of respective toes, and a thickness of a lower ring portion of said larger diameter engaging ring par and a thickness of the base part of the second toe being thicker than a thickness of a portion located from the third toe to the fifth toe, so that a height from the floor surface at a side of the little toe and forth toe is a little higher than at a side of the big toe.

The invention discloses a connecting structure for end parts of longitudinal aggregates of a bulk carrier. The connecting structure comprises a connecting plate; the web of a transverse strong frame is perpendicular to a deck longitudinal beam, the connecting plate comprises a plate body and a toe end, the toe end is connected to the plate body, the free edge of the plate body comprises a first plate body edge and a second plate body edge, and the free edge of the toe end comprises a first toe end edge, a second toe end edge, a third toe end edge and a fourth toe end edge; the first toe end edge is connected to the second plate body edge; the first plate body edge is a straight line which is obliquely distributed upwards, and the second plate body edge is a concave arc; the first toe end edge is a straight line parallel to the deck longitudinal bone; the fourth toe end edge is a straight line perpendicular to the deck longitudinal beam; and the second toe end edge is a convex arc, andthe third toe end edge is a concave arc. The connecting structure can improve the fatigue strength of longitudinal end connection and relieve the problem of stress concentration at the joint, and alsocan effectively control the weight of steel materials and reduce the construction cost.

The invention discloses a marking system for human leg and foot multi-joint fine motion analysis and a shank and foot segment division method, which comprises the shank and foot segment division method and the design of the marking system. The shank and the foot are divided into 12 segments including the shank, the heel, the scaphoid bone, the dice bone, the cuneiform bone, the inner side plantar part, the outer side plantar part, the big toe, the second toe, the third toe, the fourth toe and the fifth toe according to the anatomic forms of the shank, the foot bones and the joints of the human body, and joint movement of the shank and the foot can be comprehensively researched. The marking system comprises a technical marking point cluster system and an anatomic marking point system which are used for determining a technical coordinate system and a key anatomic position point of movement of each segment. According to the size and the shape of each segment, different technical marking point cluster systems are designed. The marking system provided by the invention comprises the marking points for preventing the points from being lost and falling and the marking point cluster, has relatively good human body fitness, and can effectively improve the capture precision.

The invention discloses a toe exposing sock. An elastic fabric is adopted at a toe tip part and is sutured to form two openings; a suture part between the big toe and the second toe is sutured to form a first opening (1) from which the big toe can be exposed; and a suture part between the second toe and the third toe is sutured to form a second opening (2) from which the second toe can be exposed, and the size of the second opening is adjusted as required so that the third toe and the fourth toe can be exposed from the tip of the sock. In order to have an attractive appearance, the tip of the sock adopts an ascending line design from the big toe to the little toe to ensure that the fourth toe and the fifth toe can be in the sock (3). The adjustable toe exposing sock is suitable for matching various styles of open toe shoes and sandals, and no mater how narrow a hollow part of a vamp shoe is, embarrassing sock edges cannot be exposed. The toe exposing sock is worn for matching the open toe shoes and the sandals, and avoids discomforts for wearing the open toe shoes barefootly and the awkwardness that the tip of the sock is exposed at a hollow part in the front of the open toe shoes which are worn together with the sock.

The invention discloses a series-parallel shock-resistant humanoid three-degree-of-freedom mechanical foot and belongs to the field of humanoid robots. The series-parallel shock-resistant humanoid three-degree-of-freedom mechanical foot comprises a mechanical shank, a sole board, a tarsal skeleton hinged to the lower end of the mechanical shank, a metatarsal skeleton hinged to the tarsal skeleton and parallel toes hinged to the metatarsal skeleton. The tarsal skeleton is a triangular frame composed of a tarsal bone rod A, a tarsal bone rod B and a tarsal bone rod C. The metatarsal skeleton is a triangular frame composed of a metatarsal bone rod A, a metatarsal bone rod B and a metatarsal bone rod C. The parallel toes comprise the big toe, the second toe, the third toe, the fourth toe and the small toe, all of which are sequentially arranged on a toe shaft. A torsion spring A is arranged between the mechanical shank and the tarsal bone rod B. A torsion spring B is arranged between the tarsal bone rod A and the metatarsal bone rod B. A torsion spring C is arranged between the parallel toes and the metatarsal bone rod A. The series-parallel shock-resistant humanoid three-degree-of-freedom mechanical foot is reasonable in structure, has the three degrees of motion freedom and shake resistance and is in a series-parallel mode.