FOUNTAIN PEN Russian patent published in 1994 - IPC

FIELD: instruments for writing. SUBSTANCE: pen has a case provided with writing head having a longitudinal groove. A cap is rigidly secured to the writing head and mounted under it for rotating with respect to the case. A mechanism for projecting the writing members consists of a screw spring secured in the case and provided with a bushing freely mounted within it. The bushing is provided with a lateral pin interposed by its ends between turns of the spring and stud secured to one of its ends and received in the groove of the head. The writing members are made of a slate rod positioned within a tongs and ball rod and mounted at opposite ends of the bushing. EFFECT: improved design. 2 cl, 5 dwg