Electromotive linear drive

1. An electromotive drive, comprising:

a casing having at least two casing parts connected to one another to form a butt joint, said casing having end portions provided with U-shaped recesses for securement of the linear drive;

a pair of slides movably attached to the casing, with one slide covering one of the recesses and the other slide covering the other one of the recesses;

at least one motor mounted in the casing;

a power cord connectable to a power outlet for providing electric energy to the motor; and

a seal substantially extending coextensive with the butt joint, except in an area of the U-shaped recesses, for sealing the butt joint between the casing parts.

2. The linear drive of claim 1 , wherein the casing is constructed to form a labyrinth seal in the area of the slides.

3. The linear drive of claim 1 , and further comprising connecting terminals, placed externally to the casing parts, for attachment of at least one of mechanical and electrical components.

4. The linear drive of claim 1 , wherein the power cord has a casing-proximal end which supports an exchangeable electrical attachment element, and further comprising a mounting member which covers the attachment element and is detachably secured to the casing.

5. The linear drive of claim 4 , wherein the attachment element is a plug or a cable gland.

6. The linear drive of claim 4 , wherein the mounting member is detachably secured to the casing by a screw connection.

7. The linear drive of claim 4 , wherein the mounting member is constructed in one piece with the power cord.

8. The linear drive of claim 4 , wherein the mounting member is molded around the power cord.

9. The linear drive of claim 4 , wherein the mounting member has a grounding terminal.

10. The linear drive of claim 9 , wherein the ground terminal is a grounding screw.

11. The linear drive of claim 4 , wherein the casing-proximal end of the power cord is connected to the mounting member by a cable gland.

12. The linear drive of claim 4 , and further comprising electric safety fuses covered by the mounting member so that a removal of the mounting member allows replacement of the safety fuses.

13. The linear drive of claim 1 , wherein at least one of the casing parts has at least one opening for receiving a cable and/or cable gland and, optionally, a strain relief.

14. The linear drive of claim 1 , wherein at least one of the casing parts has at least one compartment for receiving an accumulator or battery for electric connection with the drive via a cable or integrated contacts.

15. The linear drive of claim 1 , wherein at least one of the casing parts has a compartment for receiving a transformer.

16. The linear drive of claim 15 , wherein the transformer is an electric core transformer or a magnetic core transformer.

17. The linear drive of claim 1 , wherein at least one of the casing parts has a compartment for receiving at least one electric device in force-fitting engagement and/or form-fitting engagement.

18. The linear drive of claim 17 , wherein the electric device is a device of the entertainment electronics and/or a safety sensor.

19. The linear drive of claim 1 , wherein at least one of the casing parts has a compartment for receiving at least one of tool box, spare part box, and service box.

20. The linear drive of claim 1 , wherein at least one of the casing parts is provided with an insecticide.

21. The linear drive of claim 1 , provided with a diagnostic system.

22. The linear drive of claim 21 , wherein the diagnostic system includes a plug-type diagnostic link for attachment of a test device.

23. The linear drive of claim 1 , provided with a terminal for an electric household appliance.

24. The linear drive of claim 23 , wherein the household appliance is a vacuum cleaner.

25. The linear drive of claim 1 , provided with a programming unit which is independent from a patient.

26. The linear drive of claim 1 , provided with a safety device.

27. The linear drive of claim 26 , wherein the safety device is a carbon dioxide cartridge and a fire extinguisher.

28. The linear drive of claim 1 , provided with a container for receiving a disinfectant.

29. The linear drive of claim 28 , wherein the container is an atomizer.

30. The linear drive of claim 1 , provided with a speech recognition chip and/or a indication for noise, sounds, or light.

31. The linear drive of claim 14 , and further comprising a voltage control, when operating with the accumulator or battery.

32. The linear drive of claim 1 , provided with at least one of an air-circulation device for heat dissipation and a heater for drying purposes.

33. The linear drive of claim 1 , wherein at least one of the casing parts has an opening for passage of a lever or rope to disengage a supply of electric energy to the motor.

34. The linear drive of claim 1 , wherein the seal is a toroidal sealing ring.

35. The linear drive of claim 1 , wherein the seal is a sealing strip which overlaps the butt joint.

36. The linear drive of claim 35 , wherein the sealing strip is a sealing tape.

37. The linear drive of claim 1 , wherein at least one of the casing parts has outwardly directed projections which have one casing-distal open end, and further comprising snap-on end caps for sealingly covering the open end of the projections by O-rings or adhesive compound.

38. The linear drive of claim 1 , wherein the mounting member for the power cord is sealed against the casing by a flat packing.

39. The linear drive of claim 1 , wherein the electric attachment member is sealed against the casing by a seal.

40. The linear drive of claim 1 , wherein the seal is an O ring or a plastic sealing compound.

41. The linear drive of claim 3 , and further comprising a safety cover for covering the terminals.