“ETERNAL” CUFF

The weak point of any piston pump — automobile, motorcycle or Bicycle, as is well known, piston, or rather, leather cuff, and the main fault is a loose fit it to the cylinder walls. The fact that the skin shrinks, warps, cracks.

The case may help washer star-shaped cut from an elastic foil or plastic. The dimensions of the washer are determined by the diameter of the cylinder of the pump and the height of the piston. The part is placed under the nut of the piston, the petals of the pressed ribs cuffs to the walls of the cylinder. As the experience of operation of the pump with such a washer, the cuff works great the wear, while maintaining the pump output constant.
 
S. JAKAB, Lvovskaya oblast

Recommend to read

  • AFTER LIPSTICKAFTER LIPSTICK
    The vacant tube from under lipstick it is easy to turn into a pincushion. Just fill it with foam, inserting the strip, cut from plastic. Get two departments: the strip of needles...
  • SAVE YOUR TIMESAVE YOUR TIME
    When painting window frames faced with the need to protect glass so as to remove dried paint is difficult and time-consuming — it takes a lot of time. Apply on the glass a thin layer of...