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US 8,410,731 B2Granted
Actuator
AssigneeLinak A/S
InventorsMartin Kahr Knudsen, René Sørensen, Anders B. Lorenzen
Life of this patent
Estimating the term…
Abstract
Linear actuator (1) comprising an electric motor connected to a spindle via a transmission, on said spindle is mounted a spindle nut secured to an activation element (2), said activation element (2) being equipped with a front attachment (3). The actuator (1) is further furnished with a rear attachment (4), which is axially displaceable between defined stops. The rear attachment (4) activates a switch (7) in at least one of the displaceable positions of the rear attachment (4).
Claims8
A linear actuator comprising:
- an electric motor,
- a transmission,
- a spindle which is driven by the electric motor through the transmission,
- a spindle nut located on the spindle and secured against rotation,
- an activation element connected to the spindle nut,
- a rear attachment and a front attachment for mounting the actuator,
- an electric control, and
- at least one switch located in connection with the rear attachment,
- wherein the rear attachment is arranged freely displaceable in an axial direction in the actuator between a first position and a second position, such that the rear attachment at least in one of said first and second positions activates the switch.
6 more elements
Dependencies are inferred from the claim text.