ES81457U - Retractable ball point pen (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

"RETRACTABLE BOLºGRAFO, PERFECTED" which is characterized by a device of push and retention of the ink tank and coupled graphic tip, consisting of a piece of flat shape and broken perimeter, which is partially housed inside the hollow back part of the body of the ballpoint pen, passing to the outside through a slot made in said aforementioned hollow rear part of the ballpoint pen, so that a peak-shaped part of said flat piece is located under the ballpoint pen holder, and the upper end thereof, It has transverse grooves, it projects outwards through a fiber groove and position corresponding to the aforementioned one of the back body of the ballpoint pen, so that the flat piece is provided with two consecutive steps at the back and duly spaced apart, being permanently pressed by the rear end of the ink tank by the effect of the spring located at its front end that s e supports against the inner side of the exit hole of the graphic tip, said flat piece can be supported by its steps at the rear end of the groove of the rear hollow part of the ball-point pen, the support step is determined by the forward pull of the said flat piece when pushing its fluted outer part, or by voluntary sinking thereof, by impulse of the spring mounted on the front part of the ballpoint pen. (Machine-translation by Google Translate, not legally binding)