Writing implement with stylus

Details Writing implement with stylus Writing implement with stylus

2006-03-28

2006-03-28

Walczak, David J. (Department: 3751)

Coating implements with material supply

Including stylus

C401S032000, C401S033000, C401S037000

Reexamination Certificate

active

07018124

ABSTRACT:
A writing implement has a barrel provided with a separate front cap or a front cap formed integrally with the barrel, a writing member placed in the barrel, pushed constantly backward by a return spring and capable of axially sliding in the barrel, and a stylus mechanism. The stylus mechanism includes: a rotating cam engaged with a back end part of the writing member, a back cap provided on its inner surface with a fixed cam and fixedly attached to a back part of the barrel, a hollow plunger placed between the back cap and the rotating cam and having an externally threaded back part provided with an external thread, a stylus having an internally threaded bore provided with an internal thread in engagement with the external thread of the externally threaded part of the plunger, and provided on its outer surface with protrusions, and a hollow push button placed axially slidably in the back cap, and provided with guide ribs for guiding the protrusions of the stylus in its inner surface, and an opening through which the stylus is projected in its back end.

REFERENCES:
patent: 5306085 (1994-04-01), Kobayashi
patent: 6893179 (2005-05-01), Kageyama et al.

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