BALL-POINT PEN REFILLS Russian patent published in 1997 - IPC

FIELD: stationery. SUBSTANCE: proposed ball-point pen includes tubular case 1 where refills 5 of writing unit are placed without clearance to walls of case close to one another. Mechanism for pushing and registration of writing unit includes pushers 7 and carriers 8 coupled to them which number corresponds to that of refills. Carriers 8 have rods composed of two sections. One section has diameter corresponding to diameter of broadening of guiding slots 6 and the other section has cross-section which width corresponds to width of guiding slits 6 of case. Increased number of refills in case is obtained thanks to positioning of refills 5 of writing units without clearance with reference to one another and close to walls of case. EFFECT: increased number of refills in ball-point pen. 2 cl, 8 dwg