Integral Or Interlocked Patents (Class 401/250)
  • Patent number: 5161906
    Abstract: A writing instrument including a top part (4) which has a movable clip (20) arranged therein in a reliably functioning and stable manner so that the clip can be operated securely. The top part (4) contains a function section in the form of an inner cap (8) which includes a guiding portion (38) along which the clip (20) slides, and the function section is enveloped by a permanently attached outer cap (6).
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: November 10, 1992
    Assignee: C. Josef Lamy GmbH
    Inventor: Gunter Eppler