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44 results about "Curved fingers" patented technology

Column cultivation matching transplanting robot

A column cultivation matching transplanting robot belongs to the agricultural robot field. The column cultivation matching transplanting robot comprises a mobile platform, a manipulator, an end performer inclination angle adjusting mechanism and an end performer. During working, the mobile platform carrying plug seedlings moves to the front of a cultivation column, the manipulator moves to send the end performer to the front of a plug, an electromagnet is supplied with power and drives two fingers to stretch out, and bent finger sliding sleeves guide the finger tips to inward incline and to be inserted into the holes of the pugs to clamp the seedlings; the manipulator moves to take out the seedlings and convey the seedlings to seedling falling positions, and a sliding carriage vertically descends along a sliding rail to plant the seedlings into soil; and the electromagnet is powered off to retract the two fingers into the sliding sleeves to realize the seedling disposing. The column cultivation matching transplanting robot utilizes the two-arm structure of the vertical sliding rail to realize the vertical large-range movement and the seedling delivery motion, and the inclination angle and the opening degree of the end performer are adjustable, so automatic transplanting needs of high cultivation columns by the plug seedlings are satisfied.
Owner:JIANGSU UNIV

Novel prosthetic hand without external power

The invention relates to a novel prosthetic hand without external power, and belongs to the technical field of disabled assisted instruments. The novel prosthetic hand comprises mechanical fingers, a palm fixing apparatus and a selecting mechanism, wherein each mechanical finger comprises two or three knuckles which are hinged and connected in sequence, the last knuckle of each mechanical finger is hinged onto the palm fixing apparatus, bracing wires are arranged inside the lower parts of the knuckles, one end of each of the bracing wires is fixed to the interior of the lower part of the corresponding first knuckle, a through hole capable of enabling the corresponding bracing wire to pass through is formed in the lower part of the remaining one or two knuckles of each mechanical finger, the other ends of the bracing wires penetrate through the through holes in the lower parts of the knuckles in sequence and are connected to the selecting mechanism through the through holes in the palm fixing apparatus, and an elastic wire is arranged inside the upper part of each knuckle; a fixing strap is arranged on the palm fixing apparatus, the power for bending the fingers comes from the strength of a palm, and the selecting mechanism can control the amount of bent fingers. The novel prosthetic hand is comfortable to wear, simple and reliable in structure, easy to control, high in universality and low in cost, the power is provided in virtue of the arm strength of a user, and an external power device is not required.
Owner:NORTHEASTERN UNIV

Non-invasive dynamic finger bone traction brace

InactiveCN102824244ARelieve painSatisfied with appearanceMedical scienceTraction frameEngineering
The invention discloses a non-invasive dynamic finger bone traction brace, which is characterized by comprising a traction bracket and a traction bracket fixing structure, wherein the traction bracket fixing structure comprises a palm fixing band, a palm bracket connected to the palm fixing band and a finger clamp fixed on the palm bracket; the traction bracket comprises two fixed links fixed on both sides of the finger clamp respectively, two middle links connected to the two fixed links respectively, a U-shaped traction frame of which the two feet are connected to the two middle links respectively, and a traction spring connected to the middle part of the U-shaped traction frame; an upwardly-bent finger positioning link is arranged between the two middle links; and two downwardly-bent positioning links are arranged below the traction brackets on the two lower sides of the finger positioning link. Compared with the prior art, the non-invasive dynamic finger bone traction brace has the advantages that: the traction strength and moving angle and range are adjustable and controllable, light weight and comfort are realized, daily life and learning are not influenced by wearing a hand frame, pain of a patient is relieved, recovery time is shortened greatly, and the appearances and functions of the fingers of the patient are recovered satisfactorily.
Owner:邹旭

Finger auxiliary rehabilitation finger cot based on pneumatic soft-bodied actuator and manufacturing method of finger auxiliary rehabilitation finger cot

The invention provides a finger auxiliary rehabilitation finger cot based on a pneumatic soft-bodied actuator and a manufacturing method of the finger auxiliary rehabilitation finger cot. The auxiliary rehabilitation finger cot comprises one or more spiral actuators and a connecting ring stuck to the corresponding spiral actuator according to the position of a finger joint of a patient. The initial configuration of the rehabilitation finger cot is spiral, the rehabilitation finger cot can naturally produce bending deflection without inflation to be adapted to the finger joint of the patient so as to bend into a spiral shape; and according to the shape, configuration space parameters of the spiral actuator are selected, so that the finger cot can effectively help the patient to unfold rigid bent fingers in a manner that the patient can feel comfortable. Through experiment confirmation by a prototype machine, under different input air pressure, the prototype machine can be unfolded to different angles, and the bent finger can be unfolded to different shapes. Because the input air pressure is distributed in the entire length of an executing mechanism, the finger cot can be used for all of parts of the finger.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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