The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 21, 2025

Filed:

Nov. 22, 2021
Applicant:

Société Bic, Clichy, FR;

Inventor:

Samuel Malinverni, Clichy, FR;

Assignee:

SOCIÉTÉ BIC, Clichy, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 23/12 (2006.01); B43K 24/00 (2006.01); B43K 29/02 (2006.01);
U.S. Cl.
CPC ...
B43K 23/12 (2013.01); B43K 24/00 (2013.01); B43K 29/02 (2013.01);
Abstract

An ink writing instrument comprising a body extending along an axis and having a first end, the first end being provided with a writing tip and with an eraser, the eraser is movable along the axis with regard to the body, a helical-cam propelling mechanism being configured to move the eraser along the axis between a retracted position and a protruded position, the helical-cam propelling mechanism comprising a helical cam radially protruding from one of the eraser and the body, and two cam followers arranged on the other of the eraser and the body, the two cam followers axially sandwiching the helical cam at least when the eraser is moved between the retracted position and the protruded position.


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