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公开(公告)号：US20210054895A1
公开(公告)日：2021-02-25
申请号：US16622232
申请日：2018-10-16
发明人： Joerg Zamberger
摘要： In a method for producing a spring leaf (2) for a leaf spring, in particular a parabolic spring or suspension spring, wherein the spring leaf (2) comprises two end regions, a central region, a top side which is subjected to tensile stress in the operative state, and a bottom side (1) which is subjected to pressure in the operative state, at least one hole (3) is introduced into the bottom side (1). The bottom side (1) is peened locally in the region around the hole (3).
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公开(公告)号：US10890228B2
公开(公告)日：2021-01-12
申请号：US15652945
申请日：2017-07-18
发明人： Gerhard Kuhnelt , Jorg Zamberger
摘要： A vehicle spring for a spring system, includes a spring body (20) and is produced, in particular rolled, from a profiled bar (1) made of a flat steel bar, in particular spring steel, in a hot deformation process. The profiled bar (1) or the spring body (20) has at least one material recess (6) which is provided over the length of the profiled bar or the spring body at least in some regions. The cross-sectional shape of the profiled bar (1) can be the same over the entire length of the profiled bar, whereas the cross-sectional shape in the spring body (20) can vary over the length of the spring body.
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公开(公告)号：US09726245B2
公开(公告)日：2017-08-08
申请号：US14418220
申请日：2013-07-25
发明人： Gerhard Kuhnelt , Jorg Zamberger
CPC分类号： F16F1/185 , B21D53/886 , B60G11/02 , B60G2202/11 , B60G2206/8109 , F16F1/26 , Y10T29/49611 , Y10T428/12389
摘要： A vehicle spring for a spring system, includes a spring body (20) and is produced, in particular rolled, from a profiled bar (1) made of a flat steel bar, in particular spring steel, in a hot deformation process. The profiled bar (1) or the spring body (20) has at least one material recess (6) which is provided over the length of the profiled bar or the spring body at least in some regions. The cross-sectional shape of the profiled bar (1) can be the same over the entire length of the profiled bar, whereas the cross-sectional shape in the spring body (20) can vary over the length of the spring body.
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公开(公告)号：US11607922B2
公开(公告)日：2023-03-21
申请号：US16970055
申请日：2019-01-09
摘要： A spring for use in conjunction with a vehicle, in particular a leaf spring (1), preferably a parabolic spring, has a single-part spring leaf (12) made of steel, in particular spring steel, having a central region (2) and two adjoining edge regions (4a, 4b), wherein the edge regions (4a, 4b) each have an end region (5a, 5b), the end regions (5a, 5b) can each be connected to a chassis in a stationary manner via a rolled eye (11), and the total length of the spring when installed on the vehicle is substantially unchangeable in all load states. In the unloaded state, the spring leaf (12) has two bending sections (13, 14), which each have a curvature with a curvature direction, wherein the curvature directions of the two bending sections (13, 14) are opposed, and the two bending sections (13, 14) merge into each other in the region of a turning point (15). The first bending section (13) is a vertical spring section and runs from the end region (5a) of the first edge region (4a) via the central region (2) to the turning point (15). The second bending section (14) is a horizontal and vertical spring section and runs from the turning point (15) to the end region (5b) of the second edge region (4b).
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公开(公告)号：US11536342B2
公开(公告)日：2022-12-27
申请号：US16622232
申请日：2018-10-16
发明人： Joerg Zamberger
摘要： In a method for producing a spring leaf (2) for a leaf spring, in particular a parabolic spring or suspension spring, wherein the spring leaf (2) comprises two end regions, a central region, a top side which is subjected to tensile stress in the operative state, and a bottom side (1) which is subjected to pressure in the operative state, at least one hole (3) is introduced into the bottom side (1). The bottom side (1) is peened locally in the region around the hole (3).
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公开(公告)号：US11536341B2
公开(公告)日：2022-12-27
申请号：US16618777
申请日：2018-05-16
摘要： A spring leaf for a leaf spring (1) has an upper side (13), a lower side (14), two lateral sections extending between the upper side (13) and the lower side (14), a longitudinal axis (15), a section plane (III) extending perpendicularly to the upper side (13) and lower side (14) and through the longitudinal axis (15), two end sections (3a, 3b), and a middle section (4) extending between the end sections (3a, 3b). The middle section (4) has a clamping region (5). A main tension region (6a, 6b) is provided between at least one of the end sections (3a, 3b) and the clamping region (5), the thickness (S) of which decreases in the direction from the clamping region (5) to the end section (3a, 3b), in particular decreases parabolically. The width (B) of the main tension region (6a, 6b) extending between the section plane (III) and a lateral section of the spring leaf (2) increases over a part of its length or over its entire length in the direction from the end section (3a, 3b) toward the clamping region (5) according to a quadratic function.
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公开(公告)号：US20200096071A1
公开(公告)日：2020-03-26
申请号：US16618777
申请日：2018-05-16
摘要： A spring leaf for a leaf spring (1) has an upper side (13), a lower side (14), two lateral sections extending between the upper side (13) and the lower side (14), a longitudinal axis (15), a section plane (III) extending perpendicularly to the upper side (13) and lower side (14) and through the longitudinal axis (15), two end sections (3a, 3b), and a middle section (4) extending between the end sections (3a, 3b). The middle section (4) has a clamping region (5). A main tension region (6a, 6b) is provided between at least one of the end sections (3a, 3b) and the clamping region (5), the thickness (S) of which decreases in the direction from the clamping region (5) to the end section (3a, 3b), in particular decreases parabolically. The width (B) of the main tension region (6a, 6b) extending between the section plane (III) and a lateral section of the spring leaf (2) increases over a part of its length or over its entire length in the direction from the end section (3a, 3b) toward the clamping region (5) according to a quadratic function.
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公开(公告)号：US20210070122A1
公开(公告)日：2021-03-11
申请号：US16970055
申请日：2019-01-09
摘要： A spring for use in conjunction with a vehicle, in particular a leaf spring (1), preferably a parabolic spring, has a single-part spring leaf (12) made of steel, in particular spring steel, having a central region (2) and two adjoining edge regions (4a, 4b), wherein the edge regions (4a, 4b) each have an end region (5a, 5b), the end regions (5a, 5b) can each be connected to a chassis in a stationary manner via a rolled eye (11), and the total length of the spring when installed on the vehicle is substantially unchangeable in all load states. In the unloaded state, the spring leaf (12) has two bending sections (13, 14), which each have a curvature with a curvature direction, wherein the curvature directions of the two bending sections (13, 14) are opposed, and the two bending sections (13, 14) merge into each other in the region of a turning point (15). The first bending section (13) is a vertical spring section and runs from the end region (5a) of the first edge region (4a) via the central region (2) to the turning point (15). The second bending section (14) is a horizontal and vertical spring section and runs from the turning point (15) to the end region (5b) of the second edge region (4b).
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公开(公告)号：US10371224B2
公开(公告)日：2019-08-06
申请号：US15533464
申请日：2015-12-04
摘要： A spring, in particular a flat spring (5), for use in connection with a vehicle, has a middle region (6) which has a curve with a first curve direction, as well as two edge regions (7). In an unladen state, the edge regions (7) each have a curve with a second curve direction and vertices (10), with the second direction of curve being opposed to the first direction of curve. The flat spring (5) has a vertex axis (11) running through the vertices (10) of the curves of the edge regions (7). End regions (8) of the edge regions (7) are tilted away from the vertex axis (11) toward the side of the vertex axis (11) on which the middle region (6) lies.
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公开(公告)号：US20180051763A1
公开(公告)日：2018-02-22
申请号：US15552564
申请日：2015-12-28
CPC分类号： F16F1/027 , B60G11/02 , B60G2206/428 , F16F1/185 , F16F1/368
摘要： A spring, in particular a flat spring (1), for use in connection with a vehicle, has a middle region (2), with the middle region (2) featuring a central axis (3), as well as two edge regions (4), with the edge regions (4) each having an end region (5). In an unladen state, at least one edge region (4) adjacent to the middle region (2) has a first curve region (6) with a first curve direction and a first vertex (7), with the first vertex (7) lying on one side of the central axis (3). Toward its end region (5), this edge region (4) has a second curve region (8) with a second curve direction and a second vertex (9), with the second curve direction opposed to the first curve direction and with the second vertex (9) lying on the opposite side of the central axis (3) to the first vertex (7).
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