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US 11,814,874 B2Granted
Locking device
AssigneeKendrion Kuhnke Automation GmbH
InventorsJochen Stegelmann, Borgar Pfeiffer, Lukas Nuppenau
Life of this patent
Estimating the term…
Abstract
A locking device including: a locking pin movable in a linear direction; a tappet movable in the linear direction; and a clamping device connecting the tappet to the locking pin. Wherein the clamping device having an inner spring and an outer spring arranged coaxially relative to each other in the linear direction, and the inner spring is at least partially surrounded by the outer spring in a radial direction orthogonal to the linear direction.
Claims18
A locking device comprising:
- a tappet having a first end drivable in a linear direction by an actuator between an extended position and a retracted position;
- a locking pin engaged with a second end of the tappet to move the locking pin in the linear direction between an unlocked position and a locked position corresponding to the extended position and the retracted position, respectively;
- and
- a clamping device indirectly coupling the tappet to the locking pin;
- wherein the clamping device having an inner spring and an outer spring arranged coaxially relative to each other in the linear direction, and the inner spring is at least partially surrounded by the outer spring in a radial direction orthogonal to the linear direction;
- a coupling body is formed in a sleeve shape arranged between the inner spring and the outer spring in the radial direction to indirectly couple movement between the second end of the tappet and locking pin via the inner spring and the outer spring;
- and
- the outer spring is arranged between the coupling body a portion of the locking pin surrounding the second end of the tappet.
5 more elements
A method for locking an appliance, the method comprising:
- driving a first end of a tappet in a linear direction between an extended position and a retracted position;
- indirectly coupling a second end of the tappet to a locking pin to move the locking pin in the linear direction between an unlocked position and a locked position corresponding to the extended position and the retracted position, respectively;
- wherein the coupling comprises:
- providing an inner spring and an outer spring arranged coaxially relative to each other in the linear direction;
- providing the inner spring to at least partially surround the outer spring in a radial direction orthogonal to the linear direction;
- arranging a coupling body in a sleeve shape between the inner spring and the outer spring in the radial direction to indirectly couple movement between the second end of the tappet and locking pin via the inner spring and the outer spring;
- and
- arranging the outer spring between the coupling body a portion of the locking pin surrounding the second end of the tappet.
5 more elements
Dependencies are inferred from the claim text.