A fastening assembly includes a fastening element extending along a central axis between a first and a second end. The fastening element includes a head section extending from the second end along the central axis and engageable by a tool, such as a hexagonal head. A protruding cylindrically shaped
A fastening assembly includes a fastening element extending along a central axis between a first and a second end. The fastening element includes a head section extending from the second end along the central axis and engageable by a tool, such as a hexagonal head. A protruding cylindrically shaped section has a smaller diameter than the head section. A flanged section is arranged between the head section and the protruding cylindrically shaped section. The fastening element on the cylindrically shaped section includes an engaging section. A first portion of the engaging section is positioned at a distance from the surface of the flanged section facing the first end, such that a locking washer will be stopped from reaching the surface of the flanged section if introduced on the cylindrically shaped section with its smaller central diameter in the direction of the engaging section.
대표청구항▼
1. A fastening assembly comprising: at least two locking washers including a first locking washer and a second locking washer, anda nut extending along a central axis between a first end and a second end,said nut comprising;a head section extending from the second end of the nut along the central ax
1. A fastening assembly comprising: at least two locking washers including a first locking washer and a second locking washer, anda nut extending along a central axis between a first end and a second end,said nut comprising;a head section extending from the second end of the nut along the central axis and engageable by a tool,a protruding cylindrically shaped section having a diameter smaller than a diameter of the head sectiona flanged section arranged between the head section and the protruding cylindrically shaped section, which has (a) to (c); (a) an outer diameter that is larger than the protruding cylindrically shaped section,(b) an outer diameter that is equal to or larger than the diameter of the head section,(c) a surface facing to the first end, being circumferential to the central axis of the nut,an engaging section, wherein (d) at least a first portion of the engaging section has an outer diameter that is larger than the outer diameter of the cylindrically shaped section,(e) the outer diameter of the engaging section is substantially smaller than the outer diameter of the flanged section,(f) the first portion of the engaging section is positioned at a distance from the surface of the flanged section,wherein the first locking washer is provided with a first inner diameter facing the engaging section at one axial end of the first locking washer smaller than a second inner diameter at the other axial end of the first locking washer so that the first locking washer is stopped from reaching the surface of the flanged section by engagement of the first inner diameter with the engaging section at the first portion of the engaging section when the first locking washer is introduced on the cylindrically shaped section with the first inner diameter in a direction of the engaging section,wherein the first locking washer comprises wedge locking cams on the first end surface, and the second locking washer comprises wedge locking cams engaging with the wedge locking cams of the first locking washer so that the engagement between the wedge locking cams of the first locking washer and second locking washer occurs a locking effect. 2. The fastening assembly according to claim 1 wherein the engaging section is provided in the form of a circular protrusion to the cylindrically shaped section. 3. The fastening assembly according to claim 1, wherein the engaging section is provided with an essentially flat upper surface and an essentially perpendicular surface extending to the surface of the flanged section. 4. The fastening assembly according to claim 1, wherein the engaging section is provided in the form of a bevel face running circumferentially around the cylindrically shaped section and extending from the surface of the flanged section to the cylindrically shaped section. 5. The fastening assembly according to claim 1, wherein the two locking washers are constituted in same manner. 6. A fastening assembly comprising: at least one locking washer, anda fastening element extending along a central axis between a first end and a second end,said fastening element comprising; a head section extending from the second end of the fastening element along the central axis and engageable by a tool,a protruding cylindrically shaped section having a diameter smaller than a diameter of the head sectiona flanged section arranged between the head section and the protruding cylindrically shaped section, which has (a) to (c); (a) an outer diameter that is larger than the protruding cylindrically shaped section,(b) an outer diameter that is equal to or larger than the diameter of the head section,(c) a surface facing to the first end, being circumferential to the central axis of the fastening element,an engaging section, wherein (d) at least a first portion of the engaging section has an outer diameter that is larger than the outer diameter of the cylindrically shaped section,(e) the outer diameter of the engaging section is substantially smaller than the outer diameter of the flanged section,(f) the first portion of the engaging section is positioned at a distance from the surface of the flanged section, such thatthe locking washer is provided with a first inner diameter facing the engaging section at one axial end of the locking washer smaller than a second inner diameter at the other axial end of the locking washer is stopped from reaching the surface of the flanged section by engagement of the first inner diameter with the engaging section at the first portion of the engaging section when the locking washer is introduced on the cylindrically shaped section with the first inner diameter in a direction of the engaging section,wherein the surface of the flanged section facing the first end is provided with cams for engaging a wedge locking washer with corresponding cams. 7. A fastening assembly comprising: at least two locking washers including a first locking washer and a second locking washer, anda nut extending along a central axis between a first end and a second end,the nut comprising; a head section extending from the second end along the central axis,a cylindrically shaped section having a diameter smaller than a diameter of the head section,a flanged section between the head section and the cylindrically shaped section, which has (a) to (c); (a) an outer diameter being larger than the diameter of the cylindrically shaped section,(b) an outer diameter being equal to or larger than the diameter of the head section,(c) a surface facing to the first end, being a circular shape to the central axis of the nut,an engaging section comprising a first portion, which has an outer diameter being larger than the outer diameter of the cylindrically shaped section, wherein the outer diameter of the engaging section is substantially smaller than the outer diameter of the flanged section, and the first portion is provided with a distance from the surface of the flanged section,wherein the first locking washer comprising; a first inner diameter at a first end surface,a second inner diameter at a second end surface opposite the first end surface,wherein the first inner diameter is smaller than the second inner diameter, and the first locking washer stops before reaching the surface of the flanged section by engagement of the end surface having the first inner diameter with the engaging section at the first portion when the first locking washer is introduced around the cylindrically shaped section,wherein the first locking washer comprises wedge locking cams on the first end surface, and the second locking washer comprises wedge locking cams engaging with the wedge locking cams of the first locking washer so that the engagement between the wedge locking cams of the first locking washer and second locking washer occurs a locking effect.
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이 특허에 인용된 특허 (8)
Swanson Kurt W. (Kent WA), Co-conic fastener and fastening method.
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