A hinge device for rotatably moving a closing element includes a fixed element anchorable to a stationary support structure coupled to a movable element anchorable to the closing element for rotating around a first longitudinal axis between an open position and a closed position. The device further
A hinge device for rotatably moving a closing element includes a fixed element anchorable to a stationary support structure coupled to a movable element anchorable to the closing element for rotating around a first longitudinal axis between an open position and a closed position. The device further includes at least one slider movable along a second axis between a compressed and an extended position. One between the movable element and the fixed element includes at least one operating chamber defining the second axis so as to slidably house the slider, the other element including a pivot defining the first axis. The pivot and the slider are reciprocally coupled so that to the rotation of the movable element around the first axis corresponds the sliding of the slider along the second axis and vice versa.
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1. A hinge for automatically closing a closing element which is anchored to a stationary support structure, the hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element fixable to the closing element, the movable element and the fixed element bei
1. A hinge for automatically closing a closing element which is anchored to a stationary support structure, the hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element fixable to the closing element, the movable element and the fixed element being mutually coupled so that the closing element rotates around a longitudinal axis between an open position and a closed position, one of the movable element or the fixed element comprising a box-shaped hinge body including a working chamber defining the longitudinal axis, the other one of the movable element and the fixed element including a pivot coaxial to the longitudinal axis;a slider slidably movable within the working chamber between a retracted end position and an extended end position, the pivot and the slider being telescopically coupled to each other such that a rotation of the movable element around the longitudinal axis corresponds to a sliding of the slider along the longitudinal axis and vice versa; anda counteracting elastic member acting on the slider for automatically returning the slider from the retracted end position toward the extended end position, the counteracting elastic member being configured to slidably move along the longitudinal axis between a maximum elongation position, corresponding to the extended end position of the slider, and a minimum elongation position, corresponding to the retracted end position of the slider,wherein the pivot includes a cylindrical portion having a plurality of substantially equal grooves angularly spaced 180° each including a helical portion wound around the longitudinal axis, the grooves being communicating with each other to define a single guide element passing through the cylindrical portion,wherein the slider includes an elongated body with a first end which comprises a pin transversely inserted through the single guide element to slide therein, such to allow a mutual engagement of the cylindrical portion and the elongated body, the elongated body of the slider including a second end slidably moving between a position proximal to the cylindrical portion of the pivot, corresponding to the retracted position of the slider, and a position distal from the cylindrical portion of the pivot, corresponding to the extended position of the slider, the counteracting elastic member being interposed between the cylindrical portion of the pivot and the second end of the slider so that the cylindrical portion is in a position of minimum elongation when the second end is in the retracted end position and in a position of maximum elongation when the slider is in the extended end position, such to promote an automatic closing of the closing element from the open position, andwherein the box-shaped hinge body includes a support portion to be loaded by the pivot, the support portion being configured to separate the box-shaped hinge body into a first area and a second area, the pivot being housed into the first area, the counteracting elastic member being housed in the second area. 2. The hinge according to claim 1, wherein the counteracting elastic member interacts with the support portion so as to be interposed between the support portion and the second end of the slider. 3. The hinge according to claim 2, wherein the counteracting elastic member includes an end abutting against the support portion. 4. The hinge according to claim 1, wherein the pin has a portion sliding into a respective groove, the portion of the pin having an outer diameter substantially equal to a width of the respective groove. 5. The hinge according to claim 1, wherein the single guide element is closed at both ends, thereby defining a closed path having two blocking end points for the pin to slide therethrough, the closed path being defined by the grooves. 6. The hinge according to claim 1, wherein the helical portion extends for at least 180° along the cylindrical portion, the slider further comprising a tubular bushing having a couple of cam slots coaxially coupled externally to the pivot such that the pin operatively engages the cam slots. 7. The hinge according to claim 1, wherein the movable element includes the pivot, the fixed element including the working chamber. 8. The hinge according to claim 1, wherein the slider includes a plunger element movable into the working chamber along the longitudinal axis, the working chamber including a working fluid acting on the plunger element to hydraulically counteract an action thereof, the plunger element being configured to separate the working chamber into a first and a second variable volume compartments fluidically communicating with each other, the first and the second variable volume compartments being configured to have at the closed position of the closing element respectively maximum and minimum volume. 9. The hinge according to claim 8, wherein a pushing head of the plunger element includes a valve member to allow a passage of the working fluid between the first compartment and the second compartment during one of the opening and closing of the closing element and to prevent a backflow of the working fluid during the other one of the opening and the closing of the closing element, a hydraulic circuit being provided for a controlled backflow of the working fluid between the first compartment and the second compartment during the other one of the opening and the closing of the closing element. 10. The hinge according to claim 9, wherein the hinge body includes at least partially the hydraulic circuit, the hydraulic circuit including a first opening for the working fluid which is in the first compartment and a second opening for the working fluid which is in the second compartment, the plunger element being in a spaced relationship with the working chamber and the first and the second opening such to remain fluidly uncoupled from the first opening during an entire stroke of the plunger element, the box-shaped hinge body having a first adjustment member having a first end interacting with the first opening and a second end operable by a user from outside to adjust flow speed of the working fluid flowing through the hydraulic circuit. 11. The hinge according to claim 10, wherein the hydraulic circuit has a third opening in the first compartment, the plunger element being in a spaced relationship with the third opening such to remain fluidly coupled with the third opening for a part of the stroke of the plunger element and to be fluidly uncoupled therefrom for a remaining part of the stroke, thereby imparting a latch action to the closing element toward the closed position when the movable element is in proximity of the fixed element, the box-shaped hinge body including a second adjustment member having a first end interacting with the third opening and a second end operable by the user from the outside to adjust a force by which the closing element latches toward the closed position. 12. The hinge according to claim 11, wherein the first and the third openings of the hydraulic circuit are fluidically connected to one another in parallel. 13. The hinge according to claim 9, wherein the valve member is adapted to allow a passage of the working fluid from the first compartment to the second compartment during the opening of the closing element and to prevent the backflow thereof during a closure of the closing element. 14. A hinge for automatically closing a closing element which is anchored to a stationary support structure, the hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element fixable to the closing element, the movable element and the fixed element being mutually coupled so that the closing element rotates around a longitudinal axis between an open position and a closed position, one of the movable element and the fixed element comprising a box-shaped hinge body including a working chamber defining the longitudinal axis, the other one of the movable element and the fixed element including a pivot coaxial to the longitudinal axis;a slider slidably movable within the working chamber between a retracted end position and an extended end position, the pivot and the slider being telescopically coupled to each other such that a rotation of the movable element around the longitudinal axis corresponds to the sliding of the slider along the longitudinal axis and vice versa; anda counteracting elastic member acting on the slider for the automatically returning thereof from the retracted end position toward the extended end position, the counteracting elastic member being configured to slidably move along the longitudinal axis between a maximum elongation position, corresponding to the extended end position of the slider, and a minimum elongation position, corresponding to the retracted end position of the slider,wherein the pivot includes a cylindrical portion having a plurality of substantially equal grooves angularly spaced of 180° each including a helical portion wound around the longitudinal axis, the grooves being communicating with each other to define a single guide element passing through the cylindrical portion,wherein the slider includes an elongated body with a first end which comprises a pin transversely inserted through the single guide element to slide therein, such to allow a mutual engagement of the cylindrical portion and elongated body, the elongated body of the slider including a second end slidably moving between a position proximal to the cylindrical portion of the pivot, corresponding to the retracted position of the slider, and a position distal from the cylindrical portion of the pivot, corresponding to the extended position of the slider, the counteracting elastic member being interposed between the cylindrical portion of the pivot and the second end of the slider so that the cylindrical portion is in a position of minimum elongation when the second end is in the retracted end position and in a position of maximum elongation when the slider is in the extended end position, such to promote the automatic closing of the closing element from the open position,wherein the box-shaped hinge body includes a support portion to be loaded by the pivot, the support portion being adapted to separate the box-shaped hinge body into a first area and a second area, the pivot being housed into the first area, the counteracting elastic member being housed in the second area, andwherein the box-shaped hinge body further includes an antifriction element interposed between the support portion and the pivot to facilitate a mutual rotation thereof. 15. The hinge according to claim 14, wherein the antifriction element and the pivot are configured and/or are in a mutual spaced relationship so that the pivot is spaced apart from the support portion. 16. The hinge according to claim 15, wherein the pivot has a loading surface susceptible to came into contact with the antifriction element so that the loading surface rotates thereon. 17. The hinge according to claim 16, wherein the loading surface of the pivot is in mutual contact with a first surface of the antifriction element, the antifriction element having a second surface opposed to the first surface which is in contact with the support portion. 18. A hinge for automatically closing a closing element which is anchored to a stationary support structure, the hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element fixable to the closing element, the movable element and the fixed element being mutually coupled so that the closing element rotates around a longitudinal axis between an open position and a closed position, one of the movable element and the fixed element comprising a box-shaped hinge body including a working chamber defining the longitudinal axis, the other one of the movable element and the fixed element including a pivot coaxial to the longitudinal axis;a slider slidably movable within the working chamber between a retracted end position and an extended end position, the pivot and the slider being telescopically coupled to each other such that a rotation of the movable element around the longitudinal axis corresponds to the sliding of the slider along the longitudinal axis and vice-versa; anda counteracting elastic member acting on the slider for the automatically returning thereof from the retracted end position toward the extended end position, the counteracting elastic member being configured to slidably move along the longitudinal axis between a maximum elongation position, corresponding to the extended end position of the slider, and a minimum elongation position, corresponding to the retracted end position of the slider,wherein the pivot includes a cylindrical portion having a plurality of substantially equal grooves angularly spaced of 180° each including a helical portion wound around the longitudinal axis, the grooves being communicating with each other to define a single guide element passing through the cylindrical portion,wherein the slider includes an elongated body with a first end which comprises a pin transversely inserted through the single guide element to slide therein, such to allow a mutual engagement of the cylindrical portion and elongated body, the elongated body of the slider including a second end slidably moving between a position proximal to the cylindrical portion of the pivot, corresponding to the retracted position of the slider, and a position distal from the cylindrical portion of the pivot, corresponding to the extended position of the slider, the counteracting elastic member being interposed between the cylindrical portion of the pivot and the second end of the slider so that the cylindrical portion is in a position of minimum elongation when the second end is in the retracted end position and in a position of maximum elongation when the slider is in the extended end position, such to promote the automatic closing of the closing element from the open position,wherein the movable element includes a fixing leaf for the fixing with the closing element, the box-shaped hinge body including a first support portion susceptible to be loaded by the closing element through the fixing leaf and a second support portion to be loaded by the pivot, the first support portion being positioned in correspondence of an end of the box-shaped hinge body to be loaded by a loading surface of the fixing leaf,wherein the box-shaped hinge body further including a first antifriction element interposed between first support portion and the loading surface of the fixing leaf and a second antifriction element interposed between the a second support portion and the pivot to facilitate a mutual rotation thereof, the pivot being interposed between the first and the second antifriction elements, andwherein the second support portion being adapted to separate the box-shaped hinge body into a first area and a second area, the pivot being housed into the first area, the counteracting elastic member being housed in the second area. 19. The hinge according to claim 18, wherein the first antifriction element and the first support portion are configured and/or are in a mutual spaced relationship so that the loading surface of the fixing leaf is spaced apart from the box-shaped hinge body and from the pivot, the second antifriction element and the pivot being configured and/or in a mutual spaced relationship so that the pivot is spaced apart from the second support portion. 20. The hinge according to claim 19, wherein the loading surface of the fixing leaf is susceptible to came into contact with the first antifriction element so as to rotate thereon, the pivot having a loading surface susceptible to came into contact with the second antifriction element so as to rotate thereon.
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이 특허에 인용된 특허 (8)
Idler Richard L. (Denver CO), Cam actuated self-locking hinge.
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