# Group Dynamic

These elevators of car are commercialized in order that the mechanical client or factory, develops a work of repair without limitations as far as work spaces. Normally, an elevator of two columns or elevating bridge is almost indispensable nowadays at the time of working on the parts inferiors of a car, because it is the unique elevator that is going to let manipulate any piece by different that it is his situation. The elevators of two columns, are compound of a structure divided in two groups: Fixed part, this is included/understood of two columns, each of them acts as of guide in all their or descendent upstroke, and who normally take advantage in installing a series of extras like their blockades of security. Movable part, this is leaves it key from the elevator, is the one that transports the arms or legs throughout the routes. This is divided in two groups: Static group, is the one that transports all the elements while it is in movement, normally are protective rubber arms, tornillera, linings among others. Group Dynamic, these are those that ordinarily are called arms or legs, which adjust each in an Angle of 180 of turn and in extension. Each elevator of two columns has four arms altogether or column is compound of two arms, with the purpose of to locate each front and partly back of its corresponding side.

5A. Symmetrical or Asymmetric elevator? Symmetrical Basically the difference of these is the peculiarity, that the symmetrical elevator has the 4 arms the same, with the same measures On guard gathered and extended. Same capacities and thicknesses. This benefits to us in which he is indifferent that the vehicle I was placed ahead on the elevator towards a or reverse gear. It is always going to work equal with all the vehicles, coverall, in the majority of factories, that they have reduced spaces that do not let enter the vehicle the elevator because the front or back zone to repair this on a fixed zone of work (moving, parts of the premises, others).