ES75455U - Improved air pump (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved air pump, characterized by comprising a hollow cylindrical body coupled with a top cover coupled to a support base, which in its central area has a tubular appendix through which an axial rod is guided, which at its lower end, is internal a piston is mounted and topped externally with a platform suitable to be pressed with the foot, a spring being arranged between the base and the piston tending to keep the latter in its elevated position and having been provided for said base the articulated assembly of a U-shaped element, which in the use position of the instrument adopts a lowered position in which it rests on the floor, where it is maintained when being stepped on with the other foot, and when the instrument must be stored, this U-shaped element adopts a folding, elevated position, in which by its arched end it engages on the upper platform of the stem, keeping the bolus in its low position with the compressed spring, presenting for this platform peripheral notches suitable for the eventual retention of said element that fits in them. (Machine-translation by Google Translate, not legally binding)