Coating implements with material supply – Plural exposed tools each with individual supply
Patent
1989-12-14
1991-09-03
DeMille, Danton D.
Coating implements with material supply
Plural exposed tools each with individual supply
401 35, 401 57, 401 88, B43K 2708, B43K 2300, A45D 4020
Patent
active
050448048
ABSTRACT:
A writing instrument in which plural cartridges are fitted and coupled in series with each other in their longitudinal direction so that the cartridges are removable from each other. Each of the cartridges comprises a tubular body having a tubular projection at one end of the tubular body and having an optionally shaped cross section, and a core unit inserted in the tubular projection so that the core unit is held in it. The tubular body has an insertion hole into which the tubular projection of the adjacent cartridge, which is coupled to the tubular body, is fitted in the longitudinal direction of each cartridge so that the tubular projection is held in the insertion hole removable from it. The former tubular projection has an insertion hole in which the core unit of the adjacent cartridge is housed. The circumferential outside of the tubular body has at least one engagement projection and at least one engagement groove, each of which can be engaged with the engagement groove or engagement projection of the tubular body of another cartridge so as to couple the cartridge in parallel with each other in their transverse direction removably from each other.
REFERENCES:
patent: 1737798 (1929-12-01), Kinzinger
patent: 3708235 (1973-01-01), Kolomeir
patent: 3862683 (1975-01-01), Koelichen
patent: 3993409 (1976-01-01), Hart
patent: 4702633 (1987-10-01), Schmidt
DeMille Danton D.
Pioneer Industrial Corp.
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