A pull-up latch mechanism includes a stator (2) with an inner open channel (20), a cap (10) attached to a cylinder (1) lodged into the open channel (20) of the stator (2), a shaft (8) provided with a latching pawl, and a control system connecting the shaft (8) to the cylinder. The control system is
A pull-up latch mechanism includes a stator (2) with an inner open channel (20), a cap (10) attached to a cylinder (1) lodged into the open channel (20) of the stator (2), a shaft (8) provided with a latching pawl, and a control system connecting the shaft (8) to the cylinder. The control system is adapted for generating a first movement of rotation of the cylinder, a movement of the shaft (8) away from the cylinder in the direction of the longitudinal axis, for generating a second movement of rotation of the cylinder, and a movement of the shaft towards the cylinder in the direction of a central axis.
대표청구항▼
1. A pull-up latch mechanism comprising: a stator comprising a body with a substantially cylindrical inner open channel having a longitudinal axis and extending from a front opening up to a back opening, whereby said inner channel comprises a central portion with a first substantially circular cross
1. A pull-up latch mechanism comprising: a stator comprising a body with a substantially cylindrical inner open channel having a longitudinal axis and extending from a front opening up to a back opening, whereby said inner channel comprises a central portion with a first substantially circular cross section perpendicular to the longitudinal axis and a front portion adjacent to said front opening and having a second substantially circular cross section perpendicular to the longitudinal axis and larger than the said first substantially cross section, the stator being provided with adjacent to its back opening with at least one inner groove system directed towards the inner channel, wherein the body of the stator has at least one passage extending up to the substantially inner open channel in a plane perpendicular to the longitudinal axis, wherein the said inner groove system comprising an annular groove provided with two longitudinal grooves extending between the annular groove and the back opening of the stator;a cap attached to a cylinder, wherein said cylinder attached to the cap is adapted to be lodged into the open channel of the stator, when the cap is lodged at least partly into the front portion, whereby the cap and cylinder attached to the cap are adapted to rotate with respect to a rotation axis within the substantially cylindrical inner open channel of the stator on the action of a control key, whereby the cylinder attached to the cap is provided with a key slot in which the control key can be engaged, as well as slots with movable tumblers, wherein said tumblers are each movable against the action of at least one spring within their respective tumbler slot from (a) a first position in which a portion of the tumblers extends into a means selected from the group consisting of a groove of the stator and a recess of the stator so as to prevent rotation of the cylinder attached to the cap with respect to the stator, said first position being reached when the control key is not inserted into the key slot of the cylinder attached to the cap, and (b) a second position in which the tumblers are all located completely within their respective tumbler slot of the cylinder attached to the cap, whereby enabling a rotation of the cylinder attached to the cap into the substantially cylindrical inner open channel of the stator, said second position being at least achieved when the control key is inserted within the key slot of the cylinder attached to the cap;a shaft provided with a latching pawl, anda control system connecting the shaft to the cylinder attached to the cap, said system being adapted:for generating for a first movement of rotation of the cylinder attached to the cap a movement of the shaft away from the cylinder attached to the cap in the direction of the longitudinal axis of the substantially cylindrical inner open channel of the stator, andfor generating for a second movement of rotation of the cylinder a movement of the shaft towards the cylinder attached to the cap in the direction of the longitudinal axis of the substantially cylindrical inner open channel of the stator,wherein the said control system comprises a sleeve with a first end turned towards the cylinder attached to the cap and a second end opposite to the said first end, said first end having a slot adapted to cooperate with a retainer tumbler of the cylinder attached to the cap,wherein the stator is provided with two aligned passages extendingwherein the sleeve has between its first end and second end an outer groove extending in a plane perpendicular to the rotation axis of the cylinder within the substantially cylindrical inner open channel of the stator,wherein the at least one passage of the body of the stator is adapted for the passage of a first rod adapted to have a first portion extending into the said at least one passage of the body of the stator and a second portion extending within the outer groove of the sleeve, whereby said rod and outer groove of the sleeve are adapted so that said rod acts as retaining means of the sleeve into the substantially cylindrical inner open channel of the stator, while enabling a limited rotation movement of the sleeve with respect to the stator,wherein the sleeve is provided with an inner chamber open at the second end of the sleeve, as well as with a first cam slot and a second cam slot adapted to guide a second rod having:a first end portion extending at least in the first cam slot and partly within the annular groove of the said inner groove system of the stator,a second end portion extending at least in the second cam slot and partly within the annular groove of the said inner groove system of the stator, anda central portion extending though a hole of a shaft end portion extending through the second end of the sleeve within the inner chamber thereof,wherein the said first cam slot and said second cam slot have at least a substantially helical portion and are adapted to cooperate with the annular groove of the inner groove system of the stator through the second rod, so as to transform a movement of rotation of the cylinder attached to the cap into a movement of translation of the shaft, andwherein the annular groove of the inner groove system is associated with two longitudinal grooves adapted for moving the first end portion and the second end portion of the second rod when inserting the sleeve into the open channel of the stator through its back opening. 2. The pull-up latch mechanism of claim 1, in which the retaining tumbler of the cylinder attached to the cap is adapted to be operated by a retaining control key able to move the retaining tumbler within the slot of the cylinder attached to the cap, so as to be able to remove the cap and the cylinder away from the stator via the front opening of the stator, and in which the retaining tumbler is adapted for not being operated by the locking control key adapted for moving the locking tumblers within their respective slot of the cylinder. 3. The pull-up latch mechanism of claim 1, in which the retaining tumbler of the cylinder attached to the cap is adapted to be operated by a retaining control key able to move: (a) the retaining tumbler within the slot of the cylinder attached to the cap, as well as (b) the locking tumblers in their respective slot of the cylinder, so as to be able to remove the cap and cylinder away from the stator via the front opening of the stator, and in which the retaining tumbler is adapted for not being operated by the locking control key adapted for moving the locking tumblers within their respective slot of the cylinder. 4. The pull-up latch mechanism of claim 1, in which the retaining tumbler is adapted for having a retaining end portion to be inserted within an element of the first end of the sleeve selected from the group consisting of a slot of the said first end, an opening of the said first end and combination thereof. 5. The pull-up latch mechanism of claim 4, in which the stator is provided with a substantially annular groove adapted to receive the retaining end of the portion of the retaining tumbler inserted in the said element of the first end of the sleeve. 6. The pull-up latch mechanism of claim 1, in which the retaining tumbler is adapted for having a retaining end portion to be inserted within an element of the first end of the sleeve selected from the group consisting of a slot of the said first end, an opening of the said first end and combination thereof, and in which the stator is provided with a substantially annular groove adapted to receive the opposite end of the retaining tumbler opposite to the retaining end. 7. The pull-up latch mechanism of claim 1, in which the retaining tumbler is adapted for having a retaining end portion to be inserted within an element of the first end of the sleeve selected from the group consisting of a slot of the said first end, an opening of the said first end and combination thereof, and in which the stator is provided with a substantially annular groove adapted to receive the retaining end of the portion of the retaining tumbler inserted in the said element of the first end of the sleeve, as well as adapted to receive the opposite end of the retaining tumbler opposite to the retaining end. 8. The pull-up mechanism of claim 4, in which the cylinder attached to the cap has a back end having a shape, and a in which the first end of the sleeve provided with the element adapted for receiving the retaining end portion of the retaining tumbler has the shape of a portion of a hollow cylindrical element extending on an arc comprised between 90° and 180°, wherein said shape of said portion of hollow cylindrical element is adapted to fit with the shape of the back end of the cylinder. 9. The pull up latch mechanism of claim 1, in which the sleeve is provided with an indexing means cooperating or working with at least one recess of the stator. 10. The pull up latch mechanism of claim 1, in which the cylinder is provided with at its back end opposite to the front end, with at least one protuberance adapted to be inserted within a recess of the front face of the sleeve, wherein said protuberance and recess have each at least three planar faces, and wherein said protuberance and recess are shaped so that said at least three planar faces of the protuberance contact at least three planar faces of the recess. 11. The pull-up latch mechanism of claim 1, in which the stator is provided with a passage for a rod, said passage and rod being adapted so that at least a portion of the first rod inserted into said passage extends within the substantially cylindrical inner open channel of the stator, and in which the sleeve is provided with a groove extending in a plan perpendicular to the longitudinal axis of the substantially cylindrical inner open channel of the stator, wherein the portion of the rod located within the substantially cylindrical inner open channel of the stator extends into said groove of the sleeve. 12. The pull-up latch mechanism of claim 11, in which the stator has two aligned passages at least open along the substantially cylindrical inner open channel, wherein the said first rod extends between and partly within two aligned passages of the stator, wherein the said rod has a central portion located within the stator channel extends with said groove of the sleeve. 13. The pull-up mechanism of claim 1, in which the stator is provided with means for attaching the stator onto a support. 14. The pull-up mechanism of claim 13, in which the stator is provided with a means for attaching it on a support element selected from the group consisting of doors, windows, door frames, window frames, and profiles thereof. 15. A method of assembling of a pull-up latch mechanism comprising: a stator comprising a body with a substantially cylindrical inner open channel having a longitudinal axis and extending from a front opening up to a back opening, whereby said inner channel comprises a central portion with a first substantially circular cross section perpendicular to the longitudinal axis and a front portion adjacent to said front opening and having a second substantially circular cross section perpendicular to the longitudinal axis and larger than the said first substantially cross section, the stator being provided with adjacent to its back opening with at least one inner groove system directed towards the inner channel, wherein the body of the stator has at least one passage extending up to the substantially inner open channel in a plane perpendicular to the longitudinal axis, wherein the said inner groove system comprising an annular groove provided with two longitudinal grooves extending between the annular groove and the back opening of the stator;a cap attached to a cylinder, wherein said cylinder attached to the cap is adapted to be lodged into the open channel of the stator, when the cap is lodged at least partly into the front portion, whereby the cap and cylinder attached to the cap are adapted to rotate with respect to a rotation axis within the substantially cylindrical inner open channel of the stator on the action of a control key, whereby the cylinder attached to the cap is provided with a key slot in which the control key can be engaged, as well as slots with movable tumblers, wherein said tumblers are each movable against the action of at least one spring within their respective tumbler slot from (a) a first position in which a portion of the tumblers extends into a means selected from the group consisting of a groove of the stator and a recess of the stator so as to prevent rotation of the cylinder attached to the cap with respect to the stator, said first position being reached when the control key is not inserted into the key slot of the cylinder attached to the cap, and (b) a second position in which the tumblers are all located completely within their respective tumbler slot of the cylinder attached to the cap, whereby enabling a rotation of the cylinder attached to the cap into the substantially cylindrical inner open channel of the stator, said second position being at least achieved when the control key is inserted within the key slot of the cylinder attached to the cap;a shaft provided with a latching pawl, anda control system connecting the shaft to the cylinder attached to the cap, said system being adapted:for generating for a first movement of rotation of the cylinder attached to the cap a movement of the shaft away from the cylinder attached to the cap in the direction of the longitudinal axis of the substantially cylindrical inner open channel of the stator, andfor generating for a second movement of rotation of the cylinder a movement of the shaft towards the cylinder attached to the cap in the direction of the longitudinal axis of the substantially cylindrical inner open channel of the stator,wherein the said control system comprises a sleeve with a first end turned towards the cylinder attached to the cap and a second end opposite to the said first end, said first end having a slot adapted to cooperate with a retainer tumbler of the cylinder attached to the cap,wherein the stator is provided with two aligned passages extendingwherein the sleeve has between its first end and second end an outer groove extending in a plane perpendicular to the rotation axis of the cylinder within the substantially cylindrical inner open channel of the stator,wherein the at least one passage of the body of the stator is adapted for the passage of a first rod adapted to have a first portion extending into the said at least one passage of the body of the stator and a second portion extending within the outer groove of the sleeve, whereby said rod and outer groove of the sleeve are adapted so that said rod acts as retaining means of the sleeve into the substantially cylindrical inner open channel of the stator, while enabling a limited rotation movement of the sleeve with respect to the stator,wherein the sleeve is provided with an inner chamber open at the second end of the sleeve, as well as with a first cam slot and a second cam slot adapted to guide a second rod having:a first end portion extending at least in the first cam slot and partly within the annular groove of the said inner groove system of the stator,a second end portion extending at least in the second cam slot and partly within the annular groove of the said inner groove system of the stator, anda central portion extending though a hole of a shaft end portion extending through the second end of the sleeve within the inner chamber thereof,wherein the said first cam slot and said second cam slot have at least a substantially helical portion and are adapted to cooperate with the annular groove of the inner groove system of the stator through the second rod, so as to transform a movement of rotation of the cylinder attached to the cap into a movement of translation of the shaft, andwherein the annular groove of the inner groove system is associated with two longitudinal grooves adapted for moving the first end portion and the second end portion of the second rod when inserting the sleeve into the open channel of the stator through its back opening,said method comprising at least the following steps: attaching the shaft to the sleeve by inserting the second rod through a cam slot of the sleeve, through the hole of the shaft end portion and through the other cam slot of the sleeve;inserting the sleeve attached to the shaft by the second rod into the substantially cylindrical inner open channel of the stator, by sliding the end portions of the second rod into the two longitudinal grooves up to the annular groove of the inner groove system, so that the second rod attaching the shaft to the sleeve has its end portions located within the inner groove system of the stator, whereby;inserting the cylinder into the stator channel so that the retainer tumbler of the cylinder has a portion entering within the opening of the first end of the sleeve, so that the cylinder is attached to the sleeve. 16. The method of claim 15, in which the cylinder is inserted at least partly within the substantially cylindrical inner open channel of the stator by operating a retaining control key, so that the retaining tumbler can be placed in front of the opening of the first end of the sleeve, and in which the retaining control key is removed from the key slot so that part of the retainer tumbler extends within the said opening of the first end of the sleeve.
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이 특허에 인용된 특허 (5)
Vickers,James H., Binary coded key and tamper resistant latch.
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