Illuminating ball-point pen

  • US 6,158,871 A
  • Filed: 10/14/1998
  • Issued: 12/12/2000
  • Est. Priority Date: 10/14/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. An illuminating ball-point pen comprising:

  • an elongated tubular holder;

    a hollow protective member fitted on an upper end of said elongated tubular holder;

    a battery mounting arranged inside said protective seat;

    batteries fitted inside said battery mounting and electrically connected in series;

    a seat mounted in a top of said battery mounting;

    a metal stopper mounted under said battery mounting and having a bottom provided with a flange;

    a spring enclosing said battery mounting and said metal stopper and having an upper end bearing against said battery mounting and a lower end bearing against said flange of said metal stopper;

    a light-emitting means disposed on said seat and having a leg extending downwardly through said seat to contact an electrode of said batteries and another leg extending downwardly between said battery mounting and said spring;

    a transparent hood engageable with an upper end of said hollow protective member; and

    a reservoir tube fitted inside said elongated tubular holder and having an upper end bearing against a bottom of said metal stopper.

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