EP0296607A1
Expired / Lapsed
EP
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Multifunctional pen
Assignee: CHA, HENG-JI
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Filing: 1988-06-24
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Granted: —
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Expires: 2008-06-24
Abstract
Abstract A multifunctional pen comprises an outer shell (1) having at least one partition (3) in its inner space, which separates the inner space into two chambers (a,b), at least one of which is to be filled with working fluid directly, thus increasing the volume of working fluid. At the external ends of both chambers writing, drawing or working tips (2,5) are provided. The working fluid filled in the second chamber b may be used to write and draw on the surface of materials, on which writing or drawing with a common ink or the like is not possible or may be used for correcting writing or drawing errors.
Inventors
- 👤 Yan-Ning Dr. Hou
- 👤 Heng-Ji Dr. Cha
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/05; B43K27/00; B43K27/08; B43K5/00; B43K5/18; B43K5/1818; B43K5/1827; B43K5/1836; B43K5/1845; B43L; B43L19/00; B43L19/0018
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
79 words
A multifunctional pen, comprising an outer shell (1) and a writing or drawing apparatus (2), characterized in that within the outer shell (1) at least one partition (3) is provided which separates the inner space of the outer shell (1) into two chambers (a,b), that the first chamber (a) forms part of said writing or drawing apparatus, that the second chamber (b) is filled by a working fluid (4) and has a working tip (5,15,16,17,18) at its external end.
Claim 2
Dependent Claim
79 words
A multifunctional pen, comprising an outer shell (1) and a writing or drawing apparatus (2), characterized in that within the outer shell (1) at least one partition (3) is provided which separates the inner space of the outer shell (1) into two chambers (a,b), that the first chamber (a) forms part of said writing or drawing apparatus, that the second chamber (b) is filled by a working fluid (4) and has a working tip (5,15,16,17,18) at its external end.
Claim 3
Dependent Claim
51 words
A multifunctional pen according to claim 1, characterized in that the said working fluid (4) is a physically covering-up fluid, or a chemically colourfading fluid, or a strongly adhesive coloured fluid not only capable of correction but also capable of writing and drawing on such materials as metal, glass and ceramics.
Claim 4
Dependent Claim
25 words
A multifunctional pen according to claim 1 or 2, characterized in that said working tip (15) is made of a material having good fluid permeability.
Claim 5
Dependent Claim
62 words
A multifunctional pen according to claim 1 or 2, characterized in that the working tip (16,18) is made of material which is non-permeable to the working fluid, that the working fluid flows out through a gap provided between the working tip and the outer shell, and that the position of the displacement of the working tip is controlled by a spring (6).
Claim 6
Dependent Claim
33 words
A multifunctional pen according to claim 4, characterized in that the outside surface of the working tip (18) is wrapped with a layer (11) made of a material permeable to the working fluid.
Claim 7
Dependent Claim
29 words
A multifunctional pen according to claim 1 or 2, characterized in that within the second chamber (b) felt or floss is contained to form a liquid storing body (8).
Claim 8
Dependent Claim
31 words
A multifunctional pen according to one of claims 1 to 6, characterized in that within the working tip (17) a hole (9) is provided in which a tubing (10) is inserted.
Claim 9
Dependent Claim
62 words
A multifunctional pen according to one of claims 1 to 7, characterized in that a permanent magnet ring (12) is slipped on the outside surface of said outer shell (1) at a position corresponding to the second chamber (b) and that a magnet actuated plunger (13) is accomodated within the second chamber (b) at a position opposite to said magnet ring position.
Claim 10
Dependent Claim
24 words
A multifunctional pen according to claim 8, characterized in that at least one through hole (14) is provided in said magnet actuated plunger (13).
References Cited (Backward Citations)
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Cited
GB610419A
Cited
US2999266A
Cited
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Cited
CH554248A
Cited
US4557618A
Cited
EP0197281A2
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WO1987001338A1
Cited
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