Improvements in the object of the principal patent n 200502098 by base assembly resting with surface adaptable liftable break in width and length.

摘要

Improvements in the main patent No. P 200502098 for "Set base resting with surface liftable break, adaptable in width and length" consistent improvements in a structure consisting of two planes, one fixed bottom comprises a frame and an upper mobile consisting essentially of two longitudinal members, where both are bound by a parallelogram. In the base patent the adjustability in length and width for adaptation to the resting base is established. In the present invention it features an improved fit to support both height and width of more stable consisting in the use of a sliding telescopic structure structure.