20100018334 | TELESCOPING DUAL-SPINDLE DRIVE - The present invention pertains to a linear drive and to adjustable units with a linear drive. The linear drive includes a central, drivable connecting element, a stationary first element in working connection with the connecting element, and a stationary second element in working connection with the connecting element and arranged axially opposite the first element. The first and second elements are connected to the connecting element by corresponding pairs of threads. The pairs of threads are designed as oppositely threaded pairs to create a compact, essentially three-part linear drive capable of maximum travel distance. | 01-28-2010 |