CA1291966C - Brush-like writing instrument - Google Patents
Brush-like writing instrumentInfo
- Publication number
- CA1291966C CA1291966C CA000499003A CA499003A CA1291966C CA 1291966 C CA1291966 C CA 1291966C CA 000499003 A CA000499003 A CA 000499003A CA 499003 A CA499003 A CA 499003A CA 1291966 C CA1291966 C CA 1291966C
- Authority
- CA
- Canada
- Prior art keywords
- brush
- sleeve
- ink
- brush point
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/12—Writing-points comprising fibres; Felt pads
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
- A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
- A46B11/0013—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs dispensing by gravity or by shaking
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/002—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
- B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
- B43K5/1827—Valves
- B43K5/1836—Valves automatically closing
- B43K5/1863—Valves automatically closing opened by actuation of the rear-side of the pen
- B43K5/1872—Valves automatically closing opened by actuation of the rear-side of the pen mounted on ink-cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/22—Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Coating Apparatus (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A brush-like writing instrument is improved in its writing reeling and in its anti-drying property of ink in that a hair of a brush point of the writing instrument is covered by a sleeve-like member for mounting the brush point to provide a clearance between two surfaces one of which is an outer peripheral surface of the brush point covered by the sleeve-like member and the other of which two surfaces is an inner peripheral surfaces of the sleeve-like member, so that the brush point is held bendable also within the sleeve-like member while held bendable outside the sleeve-like member, i.e., so that the brush point is held bendable substantially in its whole length inside and outside the sleeve-like member.
A brush-like writing instrument is improved in its writing reeling and in its anti-drying property of ink in that a hair of a brush point of the writing instrument is covered by a sleeve-like member for mounting the brush point to provide a clearance between two surfaces one of which is an outer peripheral surface of the brush point covered by the sleeve-like member and the other of which two surfaces is an inner peripheral surfaces of the sleeve-like member, so that the brush point is held bendable also within the sleeve-like member while held bendable outside the sleeve-like member, i.e., so that the brush point is held bendable substantially in its whole length inside and outside the sleeve-like member.
Description
lZ91'~6~i The present invention relates to an improvement of a brush-like writing instrument.
Hitherto, in this type of the brush-like writing instrument, a brush point thereof is so constructed that only a front portion of the brush point, which front portion extends outward from a front tip of a sleeve-like member for mounting the brush point of the writing instrument, can bend in writing operation thereof.
The above-mentioned conventional writing instrument has a defect in that it is poor in its writing feeling due to such bendable front portion of the brush point being too short.
The present invention resolves the above-mentioned defect and provides a clearance between two surfaces one of which is an outer peripheral surface of a rear portion of the brush point which rear portion exists in the sleeve-like member for mounting the brush point of the instrument, and the other of which two surfaces is an inner peripheral surface of the sleeve-like 12~
member for mounting the brush point Further, the present invention provides a brush-type wrlting instrument comprising a main body, a brush point mounted within a sleeve-like member attached to said main body, a conduit extending into said brush point, means for feeding ink from a reservoir in said main body to said brush point, and sleeve-like member having a skirt surrounding said brush point over approximately half the length thereof with clearance so as to permit flexing of the brush point within said sleeve-like member.
In the accompanying drawings which illustrate an embodiment of the present inventlon:
Fig. 1 is a longitudinal sectional view of the brush-like writing instrument of the present invention;
Fig. 2 is an exploded perspective view of the same;
Fig. 3 is a cross sectlonal view taken along the llne A-A of Fig. l;
Flg. 4 is a longitudinal view of the brush-like writing instrument ln a conditlon that a knocklng opera-B
lZ91~6~
1 tion thereor is completed;
Fig. 5 is a longitudinal sectional view of the brush-like writing instrument in a condition that the knock-ing operation i8 completely released; and Fig. 6 is a longitudinal sectional view Or the wri-ting instrument in a condition that the knocking operation thereof is stopped halfway.
DESCRIPTION OF THE PREFERRED EMBODIMENT
In the embodiment Or the present invention, a mouth-piece member 4 is made of a hard plastic material to have a thick sleeve-like portion 1 and a thin sleeve-like por-tion 2 integrally connected to the thick sleeve-like por-tion 1 through a rirst step portion 3. In an inner surrace Or the thin sleeve-like portion 2 Or the mouthpiece member 4~ there are provided four crosswise arranged longitudinal grooves 5 each Or which extends rrom an upper edge Or the thin sleeve-like portion 2 to the vicinity Or a lower edge oP the same. Further, in the first step portion 3, there are provided rour lateral grooves 5 each Or which extends rrom the longitudinal groove 5 to the vicinity Or an outer periphery Or the first step portion 3, in an inner periph-ery Or which step portion 3 is provided an annular groove 6. A brush point Or the writing instrument is so constr-ucted of a plurality Or thermo-plastic filaments that these filaments are bundled into a tuft and then an upper end 12gl9~f~
1 Or the thus formed turt is melted by heat to form a brush point 9 provided with a flange portion 8 in its upper and outer periphery as a mounting means thereof. At this time.
a thin diameter ink guide hole 7 having a reverse-conical shape is also formed in a center portion Or the brush po-int 9 so that the ink guide hole 7 extends from an upper end of the brush point 9 to approximately a middle portion Or the brush point 9. The thus formed brush point 9 is in-serted into the thin sleeve-like portion 2 Or the mouthpiece member 4 in dropping manner to have its flange portion 8 be inserted into the annular groove 6 Or the mouthpiece member 4. Therearter, a disc-like plate 10, which is made oP a hard plastic material and outer diameter Or which is the same in size as an inner diameter Or the thick sleeve-like portion 1 Or the mouthpiece member 4, is placed onthe r1rst step portion 3 Or the mouthpiece member 4. In a central portion oP the disc-like plate ].0, there is pro-vided an ink passing hole 11 communicating with the ink guide hole 7 Or the brush point 9. In an lower surface Or the disc-like plate 10, there are provided an annular gro-ove 12 having the ink passing hole 11 as its center and a cross groove 13 which races the lateral grooves 5 Or the mouthpiece member 4 after the disc-like plate 10 is insta-lled in place, and which cross groove 13 is connected to the annular groove 12 at its outer ends and to the ink lZ~
1 passing hole 11 at its center. In an upper surrace of the disc-like plate lC, there is integrally provided a short sleeve-like insertion portion 14 which has the ink pass-ing hole 11 as its center. An ink conduit 16 is made of a hard plastic material and provided with a closed upper end and an open lower end so that it acts also as a valve stem or a piston rod. In opposite side walls Or the upper end portion Or the ink conduit 16, there are provided two ink outlets 17. In a top surface Or the upper end portion Or the ink conduit 16, an inserting projection 18 is inte-grally provided. In an outer periphery Or a lower end Or the ink conduit 16, there is integrally provided a seat portion 20 which has a reverse dish-like shape and is pro-vided with an outwardly extending flange 19. The thus for-med lnk conduit 16 is inserted into the thick sleeve-like portlon 1 Or the mouthpiece member 4 in dropping manner to seat its seat portion 20 on the disc-like plate 10 so that a lower portion Or the ink conduit 16 is inserted into the sleeve-llke insertion portion 14 Or the disc-like plate 10 to have its inner hole 12 communicate with the ink pass-ing hole 11 Or the disc-llke plate 10. A shart sleeve 24 ls constructed Or a thln metal tube and provided with a male screw 23 ln an outer peripheral surrace Or a lower portion thereof, both upper and lower ends Or which sleeve 24 are open. This shart sleeve 24 is connected to the mouth-12~19~f~
1 piece member 4 through a threadable connection between the male screw 23 Or the former and a female screw 24 provided in an inner surface of the thick sleeve-like portion 1 Or the latter, so that a lower end edge of the shaft sleeve 24 urges an upper surface of the flange 19 Or the ink con-duit 16 to rixedly hold the disc-like plate 10 and the ink conduit 16 in place so that the brush point 9 is held to be directed downward by the disc-like plate 10 and so that the ink conduit 16 is held to be directed upward. In such a condition, a clearance is provided between the outer pe-ripheral surface of the brush point 9 and the inner peri-pheral surface of the thin sleeve-like portion 2 Or the mouthpiece member 4. A pipe-like mouth element 29 is made Or a plastic material to have a tapered thin diameter and short length portion in lts front portion and a second step portion 28 in an inner peripheral surface of its middle portion. In an upper surface of the second step portion 28 of the mouth element 29, there is provided a packing groove 30 which is open radially and upward and in which groove 30 is inserted a doughnut-like packing 31 having a concave portion 33 which forms a cavity 32 adjacent to a wall surface of the packing groove 30 when the packing 31 is inserted into the packing groove 30. A valve box/
cylinder 39 is made of a plastic material and provided with: an outwardly extending flange 35 in an outer peri-12~
1 phery in the vicinity of a lower edge thereor; a valveseat 36 in an inner peripheral sur~ace of a middle portion thereof; three longitudinally elongated ink passing holes 37 in a peripheral wall of an upper half thereor, which 5 holes 37 are spaced apart from each other; and a guide hole 38 in a top wall thereof, respectively. In this valve box/
cylinder 39 is inserted a valve body/piston 42 which is provided with an insertion hole 40 in a center portion of its lower surrace and a guide rod 41 in its upper surface, respectively. The valve body/piston 42 is in slidable con-tact with an inner peripheral surPace Or an upper half of the valve box/cylinder 39 in its outer peripheral surface while guided by the guide hole 38 of the valve box/cylinder 39 in its guide rod 41, to make it possible that the valve body/plston 42 moves up and down in the valve box/cylinder 39. A coil spring 43 is mounted around the guide rod 41 Or the valve body/piston 42 in the valve box/cylinder 39 so that the coil spring 43 imparts an upward force to each of the valve box/cylinder 39, the packing 31, the mouth 20 element 29 and an ink bottle 45. At this time, the valve box/cylinder 39 has been inserted in the mouth element 29 in dropping manner to have seated on the second step por-tion 28 Or the mouth element 29, while the ink bottle 45 which is constructed Or a thin metal tube, provided with 25 a closed upper portion and a male screw 44 in an outer lZ~
1 peripheral surrace of its open lower end portion and con-tains, ror example, a golden or a silver color ink therein is connected to the mouth member 29 through a threadable connection between the male screw 44 Or the ink bottle 45 5 and a remale screw 46 provided in an inner surrace Or the mouth element 29 so that a lower end edge Or the thus con-nected ink bottle 45 urges an upper surrace Or the out-wardly extending flange 35 Or the valve box/cylinder 39 to have a lower surface Or the valve box/cylinder 39 be brought into firm contact with an upper surface of the packing 31 inserted in the packing groove 30 Or the upper surface Or the second step portion 28 Or the mouth element 29. Further, the thus assembled ink bottle 45 is inserted into the shaft sleeve 24 so that the ink conduit 16 is in-15 serted into a lower opening Or the mouth element 29 to havean outer peripheral surrace Or its middle portion be brou-ght lnto firm contact with an inner peripheral surrace Or the packing 31 and to have its inserting projection 18 be inserted into the insertion hole 40 Or the valve body/pis-ton 42. Therearter, a ring-like edge reinforcing member 47 is fixedly inserted in the upper opening Or the shart sleeve 24 to make it impossible that the ink bottle 45 is withdrawn rrom the shart sleeve 24. A cap 49 made Or a plastic material ror use in covering the brush point 9 is 25 so rormed in size and contour that into the cap 49 can be lZ~19~tj 1 detachably inserted the thin sleeve-like portion 2 of the mouthpiece member 4 and that the cap 49 can be detachably inserted into the upper portion Or the shart sleeve 24.
A tail plug 50 which is removed in use is firmly inserted into the upper end Or the shaft sleeve 24 so that an inner end Or the tail plug 50 abuts against the upper end Or the ink bottle 45.
Namely, in use, the user Or the writing instru-ment rirst removes the tail plug 50 and the cap 49 attached to the mouthpiece member 4 rrom the writing instrument and then the thus removed cap 49 is inserted into a concave portion 51 in the upper end Or the shaft sleeve 24 so that a lower end Or the cap 49 is placed on the upper end of the ink bottle 45. When the cap 49 is knocked downward by the user, all the lnk bottle 45, the valve box/cylinder 39, the packing 31 and the mouth element 29 are moved down-ward against the upward rorce imparted to them by the coil spring 43. At the beginning Or such downward movement Or the cap 49, an outer air is introduced into a space unde a lower surrace Or the valve body/piston 42 by sucking action Or the valve body/piston 42 through the clearance 9 , the longitudinal grooves 5, the lateral grooves 5 , the annular groove 12, the cross groove 13, the ink con-duit 16 and the ink outlets 17. When such downward move-ment Or the cap 49 is further continued, the space under 12~19~oti 1 the lower surrace Or t~e valve body/piston 42 is rurtherincreased in volume to be rinally communicated with the inner space of the bottle 45 when the ink outlets 17 is brought into open to the inner space Or the ink bottle 45 above the valve seat 36, so that a part Or the ink con-tained in the ink bottle 45 is replaced with the thus in-troduced outer air and flows downward into the space under the lower surrace Or the valve body/piston 42 through the ink passing holes 37. When the knocking action of the cap 49 mentioned above is resolved, all the ink bottle 45, the valve box/cylinder 39, the packing 31 and the mouth ele-ment 29 are moved upward under the errect Or the upward force imparted to them by the coil spring 43. In such up-ward movement thereof, when the lower end edge Or the ink passing hole 37 becomes coincident in level with the bo-ttom surrace Or the valve body/piston 42, the ink exist-ing in the space under the valve body/piston 42 is trans-rerred into the ink conduit 16 through the ink outlets 17.
Namely, when the knocking operation and its releasing op-eration o~ the cap 49 are alternately repeated, the ink contained ln the bottle 45 is gradually replaced with the outer air to be red to the brush point 9 through the ink conduit 16 and the ink guide hole 7 of the brush point 9 so that the brush point 9 is wet with the thus fed ink.
As described above, the upper halr Or the brush lZ919~
1 point 9 is inserted into the thin sleeve-like portion 2 Or the mouthpiece member 4 to have its upper flange por-tion 8 be seated in the annular groove 6 Or the thin sleeve-like portion 2 Or the mouthpiece member 4, while the clear-ance is provided between two surfaces one Or which is theouter peripheral surrace Or a portion Or the brush point 9 which portion exists in the thin sleeve-like portion 2 Or the mouthpiece member 4 and the other of which two sur-races is the inner peripheral surrace Or the thin sleeve-like portion 2 Or the mouthpiece member 4, so that thebrush point 9 is held bendable within the thin sleeve-like portion 2 Or the mouthpiece member 4. This is a feature of the present invention.
According to the present invention, since the brush point 9 i8 bendable also within the thin sleeve-like por-tion 2, the writing instrument Or the present invention is excellent in its writing reeling while excellent in preventing the ink rrom being dried owing to the half Or the brush point 9 being covered with the thin sleeve-like portion 2 Or the mouthpiece member 4. These are excellent erfects inherent in the brush-like writing instrument Or the present invention.
Hitherto, in this type of the brush-like writing instrument, a brush point thereof is so constructed that only a front portion of the brush point, which front portion extends outward from a front tip of a sleeve-like member for mounting the brush point of the writing instrument, can bend in writing operation thereof.
The above-mentioned conventional writing instrument has a defect in that it is poor in its writing feeling due to such bendable front portion of the brush point being too short.
The present invention resolves the above-mentioned defect and provides a clearance between two surfaces one of which is an outer peripheral surface of a rear portion of the brush point which rear portion exists in the sleeve-like member for mounting the brush point of the instrument, and the other of which two surfaces is an inner peripheral surface of the sleeve-like 12~
member for mounting the brush point Further, the present invention provides a brush-type wrlting instrument comprising a main body, a brush point mounted within a sleeve-like member attached to said main body, a conduit extending into said brush point, means for feeding ink from a reservoir in said main body to said brush point, and sleeve-like member having a skirt surrounding said brush point over approximately half the length thereof with clearance so as to permit flexing of the brush point within said sleeve-like member.
In the accompanying drawings which illustrate an embodiment of the present inventlon:
Fig. 1 is a longitudinal sectional view of the brush-like writing instrument of the present invention;
Fig. 2 is an exploded perspective view of the same;
Fig. 3 is a cross sectlonal view taken along the llne A-A of Fig. l;
Flg. 4 is a longitudinal view of the brush-like writing instrument ln a conditlon that a knocklng opera-B
lZ91~6~
1 tion thereor is completed;
Fig. 5 is a longitudinal sectional view of the brush-like writing instrument in a condition that the knock-ing operation i8 completely released; and Fig. 6 is a longitudinal sectional view Or the wri-ting instrument in a condition that the knocking operation thereof is stopped halfway.
DESCRIPTION OF THE PREFERRED EMBODIMENT
In the embodiment Or the present invention, a mouth-piece member 4 is made of a hard plastic material to have a thick sleeve-like portion 1 and a thin sleeve-like por-tion 2 integrally connected to the thick sleeve-like por-tion 1 through a rirst step portion 3. In an inner surrace Or the thin sleeve-like portion 2 Or the mouthpiece member 4~ there are provided four crosswise arranged longitudinal grooves 5 each Or which extends rrom an upper edge Or the thin sleeve-like portion 2 to the vicinity Or a lower edge oP the same. Further, in the first step portion 3, there are provided rour lateral grooves 5 each Or which extends rrom the longitudinal groove 5 to the vicinity Or an outer periphery Or the first step portion 3, in an inner periph-ery Or which step portion 3 is provided an annular groove 6. A brush point Or the writing instrument is so constr-ucted of a plurality Or thermo-plastic filaments that these filaments are bundled into a tuft and then an upper end 12gl9~f~
1 Or the thus formed turt is melted by heat to form a brush point 9 provided with a flange portion 8 in its upper and outer periphery as a mounting means thereof. At this time.
a thin diameter ink guide hole 7 having a reverse-conical shape is also formed in a center portion Or the brush po-int 9 so that the ink guide hole 7 extends from an upper end of the brush point 9 to approximately a middle portion Or the brush point 9. The thus formed brush point 9 is in-serted into the thin sleeve-like portion 2 Or the mouthpiece member 4 in dropping manner to have its flange portion 8 be inserted into the annular groove 6 Or the mouthpiece member 4. Therearter, a disc-like plate 10, which is made oP a hard plastic material and outer diameter Or which is the same in size as an inner diameter Or the thick sleeve-like portion 1 Or the mouthpiece member 4, is placed onthe r1rst step portion 3 Or the mouthpiece member 4. In a central portion oP the disc-like plate ].0, there is pro-vided an ink passing hole 11 communicating with the ink guide hole 7 Or the brush point 9. In an lower surface Or the disc-like plate 10, there are provided an annular gro-ove 12 having the ink passing hole 11 as its center and a cross groove 13 which races the lateral grooves 5 Or the mouthpiece member 4 after the disc-like plate 10 is insta-lled in place, and which cross groove 13 is connected to the annular groove 12 at its outer ends and to the ink lZ~
1 passing hole 11 at its center. In an upper surrace of the disc-like plate lC, there is integrally provided a short sleeve-like insertion portion 14 which has the ink pass-ing hole 11 as its center. An ink conduit 16 is made of a hard plastic material and provided with a closed upper end and an open lower end so that it acts also as a valve stem or a piston rod. In opposite side walls Or the upper end portion Or the ink conduit 16, there are provided two ink outlets 17. In a top surface Or the upper end portion Or the ink conduit 16, an inserting projection 18 is inte-grally provided. In an outer periphery Or a lower end Or the ink conduit 16, there is integrally provided a seat portion 20 which has a reverse dish-like shape and is pro-vided with an outwardly extending flange 19. The thus for-med lnk conduit 16 is inserted into the thick sleeve-like portlon 1 Or the mouthpiece member 4 in dropping manner to seat its seat portion 20 on the disc-like plate 10 so that a lower portion Or the ink conduit 16 is inserted into the sleeve-llke insertion portion 14 Or the disc-like plate 10 to have its inner hole 12 communicate with the ink pass-ing hole 11 Or the disc-llke plate 10. A shart sleeve 24 ls constructed Or a thln metal tube and provided with a male screw 23 ln an outer peripheral surrace Or a lower portion thereof, both upper and lower ends Or which sleeve 24 are open. This shart sleeve 24 is connected to the mouth-12~19~f~
1 piece member 4 through a threadable connection between the male screw 23 Or the former and a female screw 24 provided in an inner surface of the thick sleeve-like portion 1 Or the latter, so that a lower end edge of the shaft sleeve 24 urges an upper surface of the flange 19 Or the ink con-duit 16 to rixedly hold the disc-like plate 10 and the ink conduit 16 in place so that the brush point 9 is held to be directed downward by the disc-like plate 10 and so that the ink conduit 16 is held to be directed upward. In such a condition, a clearance is provided between the outer pe-ripheral surface of the brush point 9 and the inner peri-pheral surface of the thin sleeve-like portion 2 Or the mouthpiece member 4. A pipe-like mouth element 29 is made Or a plastic material to have a tapered thin diameter and short length portion in lts front portion and a second step portion 28 in an inner peripheral surface of its middle portion. In an upper surface of the second step portion 28 of the mouth element 29, there is provided a packing groove 30 which is open radially and upward and in which groove 30 is inserted a doughnut-like packing 31 having a concave portion 33 which forms a cavity 32 adjacent to a wall surface of the packing groove 30 when the packing 31 is inserted into the packing groove 30. A valve box/
cylinder 39 is made of a plastic material and provided with: an outwardly extending flange 35 in an outer peri-12~
1 phery in the vicinity of a lower edge thereor; a valveseat 36 in an inner peripheral sur~ace of a middle portion thereof; three longitudinally elongated ink passing holes 37 in a peripheral wall of an upper half thereor, which 5 holes 37 are spaced apart from each other; and a guide hole 38 in a top wall thereof, respectively. In this valve box/
cylinder 39 is inserted a valve body/piston 42 which is provided with an insertion hole 40 in a center portion of its lower surrace and a guide rod 41 in its upper surface, respectively. The valve body/piston 42 is in slidable con-tact with an inner peripheral surPace Or an upper half of the valve box/cylinder 39 in its outer peripheral surface while guided by the guide hole 38 of the valve box/cylinder 39 in its guide rod 41, to make it possible that the valve body/plston 42 moves up and down in the valve box/cylinder 39. A coil spring 43 is mounted around the guide rod 41 Or the valve body/piston 42 in the valve box/cylinder 39 so that the coil spring 43 imparts an upward force to each of the valve box/cylinder 39, the packing 31, the mouth 20 element 29 and an ink bottle 45. At this time, the valve box/cylinder 39 has been inserted in the mouth element 29 in dropping manner to have seated on the second step por-tion 28 Or the mouth element 29, while the ink bottle 45 which is constructed Or a thin metal tube, provided with 25 a closed upper portion and a male screw 44 in an outer lZ~
1 peripheral surrace of its open lower end portion and con-tains, ror example, a golden or a silver color ink therein is connected to the mouth member 29 through a threadable connection between the male screw 44 Or the ink bottle 45 5 and a remale screw 46 provided in an inner surrace Or the mouth element 29 so that a lower end edge Or the thus con-nected ink bottle 45 urges an upper surrace Or the out-wardly extending flange 35 Or the valve box/cylinder 39 to have a lower surface Or the valve box/cylinder 39 be brought into firm contact with an upper surface of the packing 31 inserted in the packing groove 30 Or the upper surface Or the second step portion 28 Or the mouth element 29. Further, the thus assembled ink bottle 45 is inserted into the shaft sleeve 24 so that the ink conduit 16 is in-15 serted into a lower opening Or the mouth element 29 to havean outer peripheral surrace Or its middle portion be brou-ght lnto firm contact with an inner peripheral surrace Or the packing 31 and to have its inserting projection 18 be inserted into the insertion hole 40 Or the valve body/pis-ton 42. Therearter, a ring-like edge reinforcing member 47 is fixedly inserted in the upper opening Or the shart sleeve 24 to make it impossible that the ink bottle 45 is withdrawn rrom the shart sleeve 24. A cap 49 made Or a plastic material ror use in covering the brush point 9 is 25 so rormed in size and contour that into the cap 49 can be lZ~19~tj 1 detachably inserted the thin sleeve-like portion 2 of the mouthpiece member 4 and that the cap 49 can be detachably inserted into the upper portion Or the shart sleeve 24.
A tail plug 50 which is removed in use is firmly inserted into the upper end Or the shaft sleeve 24 so that an inner end Or the tail plug 50 abuts against the upper end Or the ink bottle 45.
Namely, in use, the user Or the writing instru-ment rirst removes the tail plug 50 and the cap 49 attached to the mouthpiece member 4 rrom the writing instrument and then the thus removed cap 49 is inserted into a concave portion 51 in the upper end Or the shaft sleeve 24 so that a lower end Or the cap 49 is placed on the upper end of the ink bottle 45. When the cap 49 is knocked downward by the user, all the lnk bottle 45, the valve box/cylinder 39, the packing 31 and the mouth element 29 are moved down-ward against the upward rorce imparted to them by the coil spring 43. At the beginning Or such downward movement Or the cap 49, an outer air is introduced into a space unde a lower surrace Or the valve body/piston 42 by sucking action Or the valve body/piston 42 through the clearance 9 , the longitudinal grooves 5, the lateral grooves 5 , the annular groove 12, the cross groove 13, the ink con-duit 16 and the ink outlets 17. When such downward move-ment Or the cap 49 is further continued, the space under 12~19~oti 1 the lower surrace Or t~e valve body/piston 42 is rurtherincreased in volume to be rinally communicated with the inner space of the bottle 45 when the ink outlets 17 is brought into open to the inner space Or the ink bottle 45 above the valve seat 36, so that a part Or the ink con-tained in the ink bottle 45 is replaced with the thus in-troduced outer air and flows downward into the space under the lower surrace Or the valve body/piston 42 through the ink passing holes 37. When the knocking action of the cap 49 mentioned above is resolved, all the ink bottle 45, the valve box/cylinder 39, the packing 31 and the mouth ele-ment 29 are moved upward under the errect Or the upward force imparted to them by the coil spring 43. In such up-ward movement thereof, when the lower end edge Or the ink passing hole 37 becomes coincident in level with the bo-ttom surrace Or the valve body/piston 42, the ink exist-ing in the space under the valve body/piston 42 is trans-rerred into the ink conduit 16 through the ink outlets 17.
Namely, when the knocking operation and its releasing op-eration o~ the cap 49 are alternately repeated, the ink contained ln the bottle 45 is gradually replaced with the outer air to be red to the brush point 9 through the ink conduit 16 and the ink guide hole 7 of the brush point 9 so that the brush point 9 is wet with the thus fed ink.
As described above, the upper halr Or the brush lZ919~
1 point 9 is inserted into the thin sleeve-like portion 2 Or the mouthpiece member 4 to have its upper flange por-tion 8 be seated in the annular groove 6 Or the thin sleeve-like portion 2 Or the mouthpiece member 4, while the clear-ance is provided between two surfaces one Or which is theouter peripheral surrace Or a portion Or the brush point 9 which portion exists in the thin sleeve-like portion 2 Or the mouthpiece member 4 and the other of which two sur-races is the inner peripheral surrace Or the thin sleeve-like portion 2 Or the mouthpiece member 4, so that thebrush point 9 is held bendable within the thin sleeve-like portion 2 Or the mouthpiece member 4. This is a feature of the present invention.
According to the present invention, since the brush point 9 i8 bendable also within the thin sleeve-like por-tion 2, the writing instrument Or the present invention is excellent in its writing reeling while excellent in preventing the ink rrom being dried owing to the half Or the brush point 9 being covered with the thin sleeve-like portion 2 Or the mouthpiece member 4. These are excellent erfects inherent in the brush-like writing instrument Or the present invention.
Claims (3)
1. A brush-type writing instrument comprising a main body, a brush point mounted within a sleeve-like member attached to said main body, a conduit extending into said brush point, means for feeding ink from a reservoir in said main body to said brush point, the sleeve-like member having a skirt surrounding said brush point over approximately half the length thereof with clearance so as to permit flexing of the brush point within said sleeve-like member.
2. A brush-type writing instrument as claimed in claim 1, wherein the upper end of the brush point has a flange by means of which said brush point is secured within said sleeve-like member.
3. A brush-type writing instrument as claimed in claim 2, wherein valve means are provided in said main body to control the flow of ink from a liquid reservoir in said main body to said brush point, said valve means being operable by reciprocal movement of the liquid reservoir within the instrument.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985024153U JPH0445915Y2 (en) | 1985-02-20 | 1985-02-20 | |
| JP24153/1985 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1291966C true CA1291966C (en) | 1991-11-12 |
Family
ID=12130394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000499003A Expired - Fee Related CA1291966C (en) | 1985-02-20 | 1986-01-06 | Brush-like writing instrument |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH0445915Y2 (en) |
| CA (1) | CA1291966C (en) |
| DE (1) | DE3545977A1 (en) |
| FR (1) | FR2577473B1 (en) |
| GB (1) | GB2170998B (en) |
| IT (1) | IT1188395B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3809985A1 (en) * | 1987-03-24 | 1988-10-06 | Mitsubishi Pencil Co | DEVICE FOR WRITING OR APPLYING A LIQUID SUBSTANCE |
| JPH0725259Y2 (en) * | 1989-10-19 | 1995-06-07 | 三菱鉛筆株式会社 | Fluid applicator |
| ES2334603B1 (en) * | 2007-05-02 | 2011-03-28 | F. Javier Porras Vila | WATERCOLOR PAINT INSTRUMENT. |
| JP6406970B2 (en) * | 2014-10-16 | 2018-10-17 | 株式会社呉竹 | Pen and pen refill |
| JP2020172030A (en) * | 2019-04-08 | 2020-10-22 | 株式会社サクラクレパス | Applicator and brush tip fixture |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1526093A (en) * | 1923-05-23 | 1925-02-10 | William K Rockman | Fountain brush |
| US2601132A (en) * | 1946-10-02 | 1952-06-17 | Woo Wong Gim | Fountain brush pen with reciprocal pin feed |
| FR1007004A (en) * | 1948-02-11 | 1952-04-30 | Reservoir instrument applied in particular as a drawing instrument | |
| US2887708A (en) * | 1953-08-07 | 1959-05-26 | Haelan Lab Inc | Dispenser for dispensing liquid by brush, swab or rod application |
| GB792571A (en) * | 1954-06-30 | 1958-04-02 | Usk Patent Products Ltd | Improvements in or relating to the securing of tufts in ferrules for paint and like brushes |
| GB755482A (en) * | 1954-08-24 | 1956-08-22 | Jan Romkes Zeilstra | A method for the manufacture of brushware having a metal holder, in which the fibre tufts consist of thermoplastic, material, and brushware manufactured by said method |
| US3003181A (en) * | 1959-07-29 | 1961-10-10 | Speedry Chemical Products Inc | Marking device with snap-on head assembly |
| US3203025A (en) * | 1962-08-15 | 1965-08-31 | Pacific Res Lab | Writing instrument |
| FR1401592A (en) * | 1963-09-18 | 1965-06-04 | Sheaffer W A Pen Co | Writing instrument |
| GB2041740B (en) * | 1979-02-15 | 1983-01-26 | Talva Ets | Liquid dispenser |
| JPS5671781U (en) * | 1979-11-08 | 1981-06-12 | ||
| GB2108910A (en) * | 1981-11-04 | 1983-05-25 | Widgets Limited | Venting of pens |
| JPS59141907U (en) * | 1983-03-11 | 1984-09-21 | 小川化工株式会社 | makeup brush |
| JPS6128689U (en) * | 1984-07-27 | 1986-02-20 | 益山興業株式会社 | writing brush |
-
1985
- 1985-02-20 JP JP1985024153U patent/JPH0445915Y2/ja not_active Expired
- 1985-11-15 FR FR858516914A patent/FR2577473B1/en not_active Expired - Fee Related
- 1985-12-23 GB GB08531703A patent/GB2170998B/en not_active Expired
- 1985-12-23 DE DE19853545977 patent/DE3545977A1/en active Granted
-
1986
- 1986-01-06 CA CA000499003A patent/CA1291966C/en not_active Expired - Fee Related
- 1986-02-17 IT IT8619429A patent/IT1188395B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61140876U (en) | 1986-09-01 |
| IT8619429A1 (en) | 1987-08-17 |
| IT1188395B (en) | 1988-01-07 |
| FR2577473A1 (en) | 1986-08-22 |
| FR2577473B1 (en) | 1991-05-10 |
| GB8531703D0 (en) | 1986-02-05 |
| DE3545977A1 (en) | 1986-08-21 |
| IT8619429A0 (en) | 1986-02-17 |
| DE3545977C2 (en) | 1988-11-10 |
| GB2170998A (en) | 1986-08-20 |
| JPH0445915Y2 (en) | 1992-10-28 |
| GB2170998B (en) | 1988-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |