Title:
WRITING INSTRUMENTS
Document Type and Number:
WIPO Patent Application WO/2022/112160
Kind Code:
A3
Abstract:
Writing instruments An ink writing instrument (10) comprising a body (12) extending along an axis (X) and having a first end (12-1), the first end (12-1) being provided with a writing tip (14) and with an eraser (16), the eraser (16) is movable along the axis (X) with regard to the body (12), a helical-cam propelling mechanism (18) being configured to move the eraser (16) along the axis (X) between a retracted position and a protruded position, the helical-cam propelling mechanism (18) comprising a helical cam radially (18A,) protruding from one of the eraser (16) and the body (12), and two cam followers (18B) arranged on the other of the eraser (16) and the body (12), the two cam followers (18B) axially sandwiching the helical cam (18A) at least when the eraser (16) is moved between the retracted position and the protruded position.
More Like This:
| WO/2004/096577 | WRITING ASSEMBLY IN COMBINATION WITH ERASER ASSEMBLY |
| JP2005502513 | Cap member for writing, drawing or drawing equipment |
| JP6921139 | Writing core |
Inventors:
MALINVERNI SAMUEL (FR)
Application Number:
PCT/EP2021/082471
Publication Date:
August 11, 2022
Filing Date:
November 22, 2021
Export Citation:
Assignee:
SOCIÉTÉ BIC (FR)
International Classes:
B43K23/12; B43K29/02
Domestic Patent References:
| WO2020222141A1 | 2020-11-05 |
Foreign References:
| US20150043957A1 | 2015-02-12 |
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