Translations:Fermaglio/5/en

But if in the history of the fountain pen the clip has distinguished itself mainly as a stylistic element, it has also played a not insignificant role on the technical level, starting from the various methods of assembling it (such as the washer mounting), or the measures to facilitate its introduction in the pocket (the Roller Clip of the Eversharp), to block the screwing of the cap (the Lox-Top of the Chilton) or to block the clip on the jacket (the hook clip of the Novum). A photo gallery can be found on this page.

Related patents

  • Brevetto n° US-799038, del 1905-09-12, richiesto il 1904-03-16, di William F. Duryea, Salz. Fermaglio.
  • Brevetto n° US-1279186, del 1918-09-17, richiesto il 1917-03-08, di John C. Wahl, William H. Odlum, Wahl Eversharp. Fermaglio per matita meccanica.
  • Brevetto n° US-1310235, del 1919-07-15, richiesto il 1918-07-22, di William T. Fitzpatrick, Welty. Montaggio fermaglio.
  • Brevetto n° US-1808779, del 1931-06-09, richiesto il 1929-10-22, di William I. Ferris, Waterman. Montaggio clip.
  • Brevetto n° GB-358322, del 1931-10-08, richiesto il 1930-11-03, di Asahi Watanabe, Pilot. Montaggio del fermaglio.
  • Brevetto n° FR-1009170, del 1952-05-26, richiesto il 1950-01-26, di Robert Marie Émile Ernest Ferdinand de Riverieulx, Unbranded. Fermaglio.