A ring nut. A suspension ring includes a base having a sleeve with a threaded bore that is rotatably mounted in a penetration opening. The sleeve is supported by a circumferential annular collar at a bearing surface, surrounding the penetration opening, that is on an exterior at the end of the sleev
A ring nut. A suspension ring includes a base having a sleeve with a threaded bore that is rotatably mounted in a penetration opening. The sleeve is supported by a circumferential annular collar at a bearing surface, surrounding the penetration opening, that is on an exterior at the end of the sleeve facing away from the underside of the base with a non-rotationally symmetrical head profile. The sleeve protrudes at the lower end into a central opening of a disc resting against the underside of the base and is connected thereto in a rotationally fixed manner but does not project at the underside from the disc. A locking member on the base can be brought into a locking position, cooperating with the head profile for locking in the rotational direction, and into a neutral position where the head profile is released in the direction of rotation.
대표청구항▼
1. A ring nut, comprising: a suspension ring including a base part, said base part defining a penetration opening and including a bearing surface surrounding said penetration opening on an underside of said base part;a disc in contact with said underside of said base part, said disc defining a centr
1. A ring nut, comprising: a suspension ring including a base part, said base part defining a penetration opening and including a bearing surface surrounding said penetration opening on an underside of said base part;a disc in contact with said underside of said base part, said disc defining a central opening;a sleeve defining a threaded bore and including a first end and a second end separated by an annular collar, said first end being disposed in said penetration opening and defining a non-rotationally symmetric head profile that is rotatable within said penetration opening with said annular collar seated against said bearing surface, said second end being disposed in said central opening and rotationally fixed to said disc, said second end not projecting through said central opening of said disc; andat least one locking member operatively coupled to said base part of said suspension ring and disposed adjacent to said non-rotationally symmetric head profile, said at least one locking member being selectively configurable in a locking position and in a neutral position,wherein, when in said locking position, said at least one locking member cooperates with said non-rotationally symmetric head profile to prevent rotation of said sleeve relative to said suspension ring, andwherein, when in said neutral positon, said at least one locking member releases said non-rotationally symmetric head profile to enable rotation of said sleeve relative to said suspension ring,wherein each of said at least one locking member is a tilt lever that is seated in a respective notch defined adjacent said penetration opening, said notch being in a perpendicular alignment with a middle axis of said penetration opening, each tilt lever being seated on a respective swivel axle that is perpendicular to said perpendicular alignment of said notch, each tilt lever being supported by a respective retaining bracket coupled to said notch, said retaining bracket defining a U-shaped cross section having two lateral arms that extend from a center bar. 2. The ring nut of claim 1, wherein said at least one locking member locks said non-rotationally symmetric head profile of said sleeve in a positive-fitting manner when in said locking position. 3. The ring nut of claim 1, wherein said non-rotationally symmetric head profile of said sleeve defines a hexagonal head. 4. The ring nut of claim 1, wherein said at least one locking member includes two locking members opposing each other radially with respect to said sleeve. 5. The ring nut of claim 1 wherein each of said at least one locking member is releasably locked in at least one of said neutral position and said locking position. 6. The ring nut of claim 1, wherein said sleeve is welded to said disc. 7. The ring nut of claim 1, wherein said sleeve is screwed to the disc. 8. The ring nut of claim 1, wherein said sleeve is connected to said disc by adhesion. 9. The ring nut of claim 1, wherein each tilt lever can only be moved from said neutral position into said locking position by passing through a predetermined angle of rotation. 10. The ring nut of claim 9, wherein said predetermined angle of rotation is 110°. 11. The ring nut of claim 1, wherein: each tilt lever includes a respective projection and said center bar of said respective retaining includes a spring bar protruding therefrom;said projection elastically deforms said spring bar when said tilt lever is rotated from said neutral position to said locking position; andsaid spring bar assuming an initial shape when in either of said neutral position or said locking position to lock said tilt lever in position.
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이 특허에 인용된 특허 (7)
Lecourt Marc,FRX, Articulated ring for lifting loads.
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