CN1169698A - Side-knock mechanical pencil - Google Patents
Side-knock mechanical pencil Download PDFInfo
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- CN1169698A CN1169698A CN 96191658 CN96191658A CN1169698A CN 1169698 A CN1169698 A CN 1169698A CN 96191658 CN96191658 CN 96191658 CN 96191658 A CN96191658 A CN 96191658A CN 1169698 A CN1169698 A CN 1169698A
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- lead
- retractable pencil
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- stack shell
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Abstract
A side-knock mechanical pencil comprises a lend extending mechanism disposed inside a barrel, and a knock piece so disposed on the side of the barrel as to be pushed diametrically. The lead extending mechanism is moved axially by the pushing action of the knock piece to thereby extend the lead from the barrel. The side-knock mechanical pencil further comprises a lead insertion portion for allowing the lead to pass in the direction where the knock piece is pushed, the lead insertion portion having a diameter at least two times or more the diameter of the lead, and at least one lead receiving portion in front of the lead insertion portion.
Description
Technical field
The present invention relates to side-knock mechanical pencil, wherein the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of this stack shell, so that button can upwards inwardly be depressed in the footpath of stack shell, and button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feeds a lead for retractable pencil from stack shell.
Background technology
Japanese Utility Model discloses 55-171577/1980 number and it is reported it is an a kind of example of side-knock mechanical pencil.This file specification one end is by a formula and a side-knock mechanical pencil, and wherein interior Guan Zaiqi lower end is provided with mouth of pipe ring, and pipe is shorter than urceolus and is housed among the urceolus movably in this; Return spring of interior arrangement and suitable fitting apparatus are arranged among the urceolus, and its role is, mouth of pipe ring is stretched out from the lower end of urceolus and make mouth of pipe ring indentation urceolus; Outer hole is arranged near the gripping sign of urceolus; Endoporus is arranged on corresponding on the pipe in outer hole that part of; Lead box, conjugation tube and three subdivision chucks are housed among the interior pipe with being integral; It is inner and from three subdivision chuck outsides that interior pipe stretches out that fastener is arranged on mouth of pipe ring; Slider, in being arranged among the pipe, it can make three subdivision chucks move in interior pipe and restored by spring towards the lead for retractable pencil head; Side button is arranged among the outer hole, and it can depress the inclined surface of slider upper end; And press cover, being arranged on the upper end of lead box, it can press to the lead for retractable pencil head with three subdivision chucks.
In use, be separated upper end some lead for retractable pencils among being stored in lead box of a lead for retractable pencil dependence conjugation tube, and be admitted to three subdivision chucks by conjugation tube subsequently.Slider and three subdivision chucks are owing to the radial pressure of side button moves forward, so that the lead for retractable pencil that is clamped by three subdivision chucks is fed forward.
Generally, feed operation, that is if side button is depressed, then various power are not only the making progress forwards of slider, and act on the slider on the direction that side button is depressed if make side-knock mechanical pencil finish a lead for retractable pencil.The power that acts on one direction on the slider in the back becomes a kind of power that slider is tilted, and this power can be depressed and increases along with side button.The inclination of slider can make the connecting portion between conjugation tube and the three subdivision chucks bend.At this moment, certain fault can occur aspect the lead for retractable pencil feeding, that is lead for retractable pencil is stuck owing to this is crooked, so that it can not perhaps can not be fed with sufficient degree forwards upwards being fed.
In recent years, client likes cheap products day by day.Need to reduce product cost day by day because labor cost is higher.Various writing implements, such as ball pen and propelling pencil, all non-exception, and above-mentioned side-knock mechanical pencil has been forced to and will have made with inexpensive way.In order to make propelling pencil with inexpensive way, many operational methods are arranged, synthesize an integral part, adopt the assemble method of simplifying such as two parts, perhaps reduce the part number of packages.But, two parts synthesize an integral part and make and may make each part itself with inexpensive way, but may need a kind of complexity and expensive shaping dies, so that make a kind of product with special shape.Cause for this reason can take to reduce the method for part number of packages.If reduced the part number of packages, assemble also just simple.
But, if reduce the part number of packages simply, then can lose some required functions.Such as, under the situation of above-mentioned example, if lead box and conjugation tube are saved, lead for retractable pencil may exceed slider and enter spring portion, so that this lead for retractable pencil may be can't help three subdivision chucks and clamped and may not be fed forward.In addition, when side button was pressed, lead for retractable pencil may be fractureed.
Disclosure of an invention
According to a first aspect of the present invention, in side-knock mechanical pencil, the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of this stack shell, so that this button can upwards inwardly be depressed in the footpath of stack shell, button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feed a lead for retractable pencil from stack shell, in this pencil, configuration lead for retractable pencil insertion section, lead for retractable pencil can pass through from the lead for retractable pencil insertion section on the direction of exerting pressure to button, and the diameter of this lead for retractable pencil insertion section doubles the diameter of lead for retractable pencil at least, also at least one lead for retractable pencil receptacle of former configuration of lead for retractable pencil insertion section.According to a second aspect of the present invention, in side-knock mechanical pencil, the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of this stack shell, so that button can upwards inwardly be depressed in the footpath of stack shell, and button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feeds a lead for retractable pencil from stack shell, in this pencil, at least one lead for retractable pencil receptacle be arranged on button near; The lead for retractable pencil patchhole that lead for retractable pencil can pass through is arranged on the lead for retractable pencil receptacle; And each space, cross-sectional area separately is formed on the opposite flank of lead for retractable pencil receptacle greater than the cross-sectional area of lead for retractable pencil insertion section.
Brief description of drawings
Fig. 1 shows vertical semi-section schematic diagram of the present invention;
Fig. 2 is the perspective illustration that shows engomphosis relation between button and the fitting portion;
Fig. 3 is the viewgraph of cross-section that the straight line A-A along Fig. 1 is got;
Fig. 4 is the perspective illustration that shows the part of the stack shell that is shown in Fig. 1;
Fig. 5 shows the button semi-section schematic diagram of depressed state;
Fig. 6 is the viewgraph of cross-section that the straight line B-B along Fig. 5 is got;
Fig. 7 is the perspective view that shows another example of button;
Fig. 8 is the viewgraph of cross-section that shows another example of stack shell;
Fig. 9 is the perspective view that shows guide member;
Figure 10 is the vertical semi-section view that shows second embodiment of the invention;
Figure 11 is the perspective illustration that shows engomphosis relation between button and the fitting portion;
Figure 12 shows button vertical semi-section schematic diagram of depressed state;
Figure 13 is the perspective view that shows another example of button;
Figure 14 is the longitudinal profile view that shows Another Application example of the present invention;
Figure 15 is the viewgraph of cross-section that the straight line C-C along Figure 14 is got;
Figure 16 is the viewgraph of cross-section that shows third embodiment of the invention;
Figure 17 shows depressed state, that the be similar to Figure 16 viewgraph of cross-section of button;
Figure 18 is the viewgraph of cross-section that shows fourth embodiment of the invention;
Figure 19 shows depressed state, that the be similar to Figure 18 viewgraph of cross-section of button;
Figure 20 is the viewgraph of cross-section that shows fifth embodiment of the invention;
Figure 21 is the perspective illustration that shows engomphosis relation between button and the fitting portion;
Figure 22 is the vertical semi-section schematic diagram that shows sliding part;
Figure 23 is the cross section view that the straight line D-D along Figure 20 is got;
Figure 24 shows depressed state, that the be similar to Figure 23 viewgraph of cross-section of button;
Figure 25 is the longitudinal profile view that shows sliding part remodeling;
Figure 26 is the longitudinal profile view that shows another remodeling of sliding part;
Figure 27 is the longitudinal profile schematic diagram that shows sixth embodiment of the invention;
Figure 28 is the viewgraph of cross-section that the straight line E-E along Figure 27 is got;
Figure 29 is the viewgraph of cross-section that shows the 6th embodiment one remodeling of Figure 27;
Figure 30 is the viewgraph of cross-section that shows the 6th another remodeling of embodiment of Figure 27;
Figure 31 is the viewgraph of cross-section that shows the 6th another remodeling of embodiment of Figure 27;
Figure 32 is the viewgraph of cross-section that shows another remodeling of sliding part;
Figure 33 is the view of being got on the direction of the arrow F of Figure 32;
Figure 34 is the longitudinal profile view that shows the another remodeling of sliding part;
Figure 35 is the view of being got on the direction of the arrow G of Figure 33;
Figure 36 is the longitudinal profile view that shows the another remodeling of sliding part;
Figure 37 is the view of being got on the direction of the arrow H of Figure 34;
Figure 38 is the longitudinal profile schematic diagram that shows another remodeling of stack shell;
Figure 39 is the longitudinal profile schematic diagram that shows another remodeling of stack shell;
Figure 40 is the longitudinal profile schematic diagram that shows button one remodeling;
Figure 41 is the longitudinal profile view that is shown in the 6th another remodeling of embodiment of Figure 27;
Figure 42 is the longitudinal profile view that shows another remodeling of button;
Figure 43 is the longitudinal profile schematic diagram that shows another remodeling of button;
Figure 44 is the schematic diagram that shows the outward appearance of another remodeling of stack shell;
Figure 45 is the viewgraph of cross-section that shows engomphosis relation between sliding part and the stack shell;
Figure 46 is the longitudinal profile schematic diagram that shows the another remodeling of button;
Figure 47 shows depressed state, that the be similar to Figure 46 viewgraph of cross-section of button;
Figure 48 is the longitudinal profile schematic diagram that shows the another remodeling of button;
Figure 49 is the viewgraph of cross-section that the straight line I-I along Figure 48 is got;
Figure 50 shows viewgraph of cross-section another remodeling of button, that be similar to Figure 49;
Figure 51 is the viewgraph of cross-section that shows engomphosis relation between sliding part and the stack shell;
Figure 52 is the viewgraph of cross-section that the straight line J-J along Figure 51 is got; And
Figure 53 is the longitudinal profile schematic diagram that shows the another remodeling of button;
Figure 54 is the longitudinal profile schematic diagram that shows the state of the button shown in Figure 53 of wherein packing into; And
Figure 55 is the longitudinal profile schematic diagram that shows the another remodeling of button.
The optimal morphology that carries out an invention
Fig. 1 to 6 is the explanatory that shows first embodiment.Through hole 2 is formed in the sidepiece of stack shell 1, and each guide projections 3 is among through hole 2.Button 4 with U-shaped cross-section is equipped by through hole 2, and button can upwards moved perpendicular to two of stack shell 1 opposite footpaths.Each guide channel 5 is embedded in corresponding projection 3 slidably, is formed on two relative outsides of button 4.The end face 6 that button 4 also has each to tilt is used for the lead for retractable pencil apparatus for feeding that will be illustrated is afterwards passed forward.Each inclined end face 7 is parallel to each corresponding inclined end face 6, is formed on each side that is opposite to each inclined end face 6.In addition, be used to prevent that each chimeric pawl 9 of button 4 disengaging stack shells 1 is formed in the end of each abutment surface 8 of button 4 respectively.
Lead for retractable pencil jar 11 wherein stores some lead for retractable pencils and by pushing backward such as helical spring elastic component 10, is arranged within the front portion of stack shell 1.This lead for retractable pencil jar 11 can store at least two lead for retractable pencils, and button 4 is positioned at the middle part of lead for retractable pencil jar 11.Chuck 13 is equipped with chuck ring 12 on it, be installed in the front of lead for retractable pencil jar 11.Chuck 13 is in order to getting loose and to hold with a firm grip a lead for retractable pencil, and chuck ring 12 is in order to open and close chuck 13.Above-mentioned configuration has constituted the lead for retractable pencil apparatus for feeding.
Each guide channel can be formed among the through hole 2 of stack shell 1, and each guide projections that is embedded in each corresponding guide channel can be formed in two relatively on the outside of button 4.Each guide channel and guide projections can have such as the rectangular shape that is shown in the cross section, perhaps the shape that also can have arcuate shape or be made up of in conjunction with arcuate shape rectangular shape.In other words, can adopt any can satisfy their engomphosis relation and prevent button 4 stack shell 1 vertically on the shape of shaking.
18 expressions are screwed in the nib spare on stack shell 1 front end with reference to numbering, and nib spare 18 can be made one with stack shell 1.Lead for retractable pencil holding part 19 press fit over nib spare 18 the insides, is used to prevent that the lead for retractable pencil from moving backward, and lead for retractable pencil protection tube 20; such as stainless steel tube; press fit among nib spare 18 top, be used to protect lead for retractable pencil, lead for retractable pencil holding part 19 and lead for retractable pencil protection tube 20 can be made one with nib spare 18.
In use, depress if button 4 radially goes ahead, 6 of each inclined end faces of button 4 are forwards upwards compressing chimeric 14, slide on each inclined groove 15 simultaneously.Depress action by this, lead for retractable pencil jar 11 and chuck 13 move forward (referring to Fig. 5 and 6), and lead for retractable pencil stretches out from lead for retractable pencil protection tube 20.
The remodeling of button 4 is illustrated with reference to Fig. 7.Be made for each projection tape on the relative inner face that is positioned at button 22 with each fitting portion 21 of each corresponding inclined groove 15 tabling of chimeric 14.Certainly, each fitting portion 21 is made for and is in heeling condition.By this way, by means of on the relative inner face of button 22, making each fitting portion 21, can form the very long guide projections 23 of button 22 and make it to be embedded in each guide channel 5 (through hole 2) of stack shell 1, so that compare with the foregoing description, shaking of button 22 can be prevented effectively.
Except being configured to of the foregoing description, one minor diameter 24 can be formed in the inside of through hole 2 back stack shells 1, and button 22 can design to such an extent that make a rear portion end face 26 be contacted with the end face portion 25 that is formed by minor diameter 24 and slide, thereby can further improve the effect (referring to Fig. 8) that prevents button 22 and shake.
Be formed in another example on the stack shell as wherein each guide channel or projection, guide member 27 can be used as independent one and is fitted among the stack shell 1, has as shown in Figure 9 each guide channel or projection.More effectively prevent the method that button shakes as another kind, except above-mentioned being configured to, a kind of elastic film such as natural rubber or silicon rubber film, can cover on the surface of button; Perhaps a kind of elastic component such as helical spring or the flat thin magnet that repels each other each other, can be installed between button and the stack shell.
Figure 10 to 12 is the explanatory that show second embodiment.Through hole 2 is formed in the sidepiece of stack shell 1, and that the button 28 with U-shaped cross-section passes through hole 2 is equipped, and button can upwards be moved in opposite two footpaths perpendicular to stack shell 1.Each otch 30 is formed in the middle part of each sidepiece 29 of button 28 respectively, and each front end face 31 that tilts is formed in the front end place of corresponding each sidepiece 29 of button 28.Each sidepiece of button 28 limits with a corresponding inclination front end face 31 one of in each free two otch 30, has constituted each first fitting portion 32 respectively.Each rear end face 33 that tilts is formed in the rear side of each otch 30 respectively.Each sidepiece of button 28, the rear end face 34 of an one of rear end face 33 of each free two inclination and a corresponding button 28 limits, and has constituted each second fitting portion 35 respectively.Each is with reference to numbering 36 each chimeric pawl of expression, they be formed in respectively button 28 two relatively the outside the place, bottom and in order to prevent that button 28 from deviating from from stack shell 1.
Lead for retractable pencil jar 37 wherein stores many lead for retractable pencils and by pushing backward such as helical spring elastic component 10, is arranged on the front portion of stack shell 1.Chuck 13 is equipped with chuck ring 12 on it, be installed in the front of lead for retractable pencil jar 37.
One is made at chimeric 38 middle part with lead for retractable pencil jar 37.Can be prepared into independent one for chimeric 38.If be prepared into independent one for chimeric 38, then chimeric 38 and lead for retractable pencil jar 37 be mount each other, such as with press fit method, with the interlock method of each projection and each groove, perhaps uses adhering method.
Each otch 39 is formed in chimeric 38 middle part, and has constituted each first chimeric receptacle 40 from each otch 39 part forward, and they are embedded in each first fitting portion 32 of button 28 respectively.Each middle part end face 41 that tilts is formed in the rear end of each first chimeric receptacle 40 respectively, and is embedded in each corresponding inclination front end face 31 of each first fitting portion 32.Constituted each second chimeric receptacle 42 from each otch 39 part backward, they are embedded in each second fitting portion 35 of button 28 respectively.Each rear end face 43 that tilts is formed in the rear end of each second chimeric receptacle 42 respectively, and is embedded in each middle part end face 33 that tilts accordingly of button 28 each second fitting portion 35.Say that more specifically each first fitting portion 32 of button 28 embeds each otch 39 of chimeric 38 respectively, and each second chimeric receptacle 42 of chimeric 38 is embedded in respectively between each first fitting portion 32 and each second fitting portion 35 of button 28.
Being formed in the front end face 31 and be formed in each middle part end face 33 that tilts on each second fitting portion 35 of button 28 of respectively tilting on each first fitting portion 32 of button 28, can be crooked reducing resistance to sliding, so that button 28 can more successfully be depressed.
Be similar to the remodeling of first embodiment, each first fitting portion 45 and each second fitting portion 46 can be formed on the inner surface of button 44, and each chimeric receptacle 48 of channel shaped and 49 that tilts is embedded in each first fitting portion 45 and each second fitting portion 46 respectively, can be formed on chimeric 47.Because each first fitting portion 45 and each second fitting portion 46 of button 44 can cover up, so a kind of product with good appearance may be provided.
In use, depress if button 28 radially goes ahead, the front end face 31 that respectively tilts of button 28 is forwards upwards compressing chimeric 38 with each 33 of end face in inclination middle part, is sliding on end face 41 and angied posterior end face 43 in the middle part of each inclination of chimeric 38 simultaneously.Depress action by this, lead for retractable pencil jar 37 and chuck 13 move forward (referring to Figure 12), thereby a lead for retractable pencil is fed forward.
Example of the present invention with a kind of bigger meaning will be illustrated with reference to Figure 14 and 15 following.In this example, a kind of bar-shaped feed arrangement that can change the overhang of rubber is arranged on the rear portion.This bar-shaped apparatus for feeding will be illustrated following.The rearward end inboard of stack shell 1 (rear portion 1a) has hexagonal configuration, shown in cross section among Figure 15, but also can have square shape, elliptical shape or any be not circular shape.Bar-shaped guide member 50, having a cross section in its front portion is the equipped 50a of portion of hexagonal configuration, be fitted among the 1a of rear portion, so that the joint of stack shell 1 and bar-shaped guide member 50 makes each other and can not relatively rotate.Guide channel 50b opposite each other be formed in the rear portion of bar-shaped guide member 50, and the rear end of each guide channel 50b links together and form flange 50c.Outer tube 51 is fitted on the bar-shaped guide member 50, and spiral grooves 51a is formed on the inner surface of outer tube 51.Outer tube 51 be clamped in closing in the flange 50c of outer tube 51 1 ends and closing between the keeper 52 (such as O shape ring) of outer tube 51 other ends, and be fastened at bar-shaped guide member 50.
With reference to numbering 53 expressions one bar-shaped female part, be used to clamp a rubber 54.Mosaic process 53a is arranged on the side of bar-shaped female part 53, and is embedded in spiral grooves 51a via each guide channel 50b.
In use, if outer tube 51 relatively rotates with respect to stack shell 1 (bar-shaped guide member 50), 50 of bar-shaped guide members move up by means of spiral grooves 51a, as seeing among Figure 14.Because this moving, rubber 54 has been stretched.If rubber 54 will be got back, can rotate outer tube 51 round about.
If be used to feed the pressue device of lead for retractable pencil, such as being used for the above-mentioned first embodiment person, be arranged on the lead for retractable pencil jar, then can add bar-shaped apparatus for feeding and can not increase the length of stack shell.If above-mentioned bar-shaped apparatus for feeding is provided with in the prior art among the side-knock mechanical pencil, the whole length of stack shell will increase, so that its operability suffers damage.This is because the STATEMENT OF FEDERALLY SPONSORED that constitutes pressue device is not arranged on the lead for retractable pencil jar (lead for retractable pencil pipe), but in the cause of the position of the lead for retractable pencil chuck that constitutes cartridge device.
The 3rd embodiment is described as follows with reference to Figure 16 and 17.In this 3rd embodiment,, in each first and second embodiment, button is passed through hole and equipped improvement of state introducing in order to prevent shaking of button.What be equal in the following description, is used for representing to be equal to each constituent part that those are used for second embodiment with reference to numbering.Button 28 make on width towards its underpart (towards each chimeric pawl 36) and increase, as seeing on cross section, so that through hole 2 is passed in the bottom interference fit of button 28.This big width segments constitutes a press-fitted portions 54.In addition, button 28 is made to such an extent that reduce towards its top on width, so that the width on top is less than the width of through hole 2.This less width segments constitutes a non-press-fitted portions 55.If button 28 is depressed, then each gap S is created between the wall of button 28 and through hole 2 in the process of press push button 28.
In use, if being press-fitted the button 28 that passes through hole 2 is radially vertically depressed, such as with a finger, then respectively tilt front end face 31 and the middle part end face 33 that tilts of button 28 compress chimeric 38 on direction forward, slide above the angied posterior end face 43 in tilt middle part end face 41 and each of each of chimeric 38 simultaneously.Depress in the process of action at this, button 28 has not had with respect to the effect that is press-fitted of through hole 2, and each gap S has formed, and lead for retractable pencil jar 37 and chuck 13 move forward and feed a lead for retractable pencil.
The remodeling of the 3rd embodiment is described as follows with reference to Figure 18 to 20.In this remodeling, each otch 39 of chimeric 38 is made trapezoidal shape of cross section (trapezoidal 56), and its upside is wider than downside, and the interior shape of U-shaped button 28 is made for and has trapezoidal cross-section (trapezoidal 57).As shown in figure 18, when not depressing when action, chimeric 38 trapezoidal 56 struts the lower end of 28 trapezoidal 57 on button, so that button 28 is press-fitted and passes through hole 2.
In use, if being in the button 28 of the state of being press-fitted is depressed, then trapezoidal 57 middle part moves through chimeric 38 trapezoidal 56 top, trapezoidal 56 top is arrived on trapezoidal then 57 top, so that former state is recovered in trapezoidal 57 bottom of button 28 on the direction that reduces trapezoidal 57 lower width.This restitution also is that the lower width owing to chimeric 38 trapezoidal 56 reduces and causes.By means of trapezoidal 57 restitution of button 28, the state that is press-fitted of through hole 2 just has been eliminated, and each gap S is created between each outside and the wall of through hole 2 of button 28.The moment that elimination is press-fitted state select the state of being press-fitted is arrived at chimeric 38 at the middle part of 28 trapezoidal 57 on button trapezoidal 56 upside be eliminated in the past.
The 4th embodiment is described as follows with reference to Figure 20 to 24.Grip part 58, dependence applies and solidifies a kind ofly to have higher soft paint or a kind of liquid rubber material and gives embossing or making, be formed on the grip part, front of stack shell 1 when writing (so that grip), perhaps, the tubular rubber grip sleeve can be used as independent one and loads onto.Rely on grip part 58 or rubber grips cover, all may alleviate or reduce because of writing the fatigue that causes, the pain of finger etc.Through hole 2 is formed in the back of grip part 58 on the sidepiece of stack shell 1, and that the button 28 with U-shaped cross-section passes through hole 2 is equipped, and button 28 can radially moved on two rightabouts perpendicular to stack shell 1.Button 28 has a kind of structure that is used among second embodiment that is similar to, and its explanation has been removed from this.
The block 60 of making one with clamp 59 removably is fitted in the rear portion of stack shell 1, has clamp 59 only and can make one with stack shell 1.
One is made at chimeric 38 middle part with sliding part 62, but can be prepared into independent one.If be prepared into independent one for chimeric 38, sliding part 62 and chimeric 38 be mount each other, such as, by be press-fitted, chimeric by between each projection and each groove, perhaps pass through bonding.Have a kind of chimeric structure that is used among second embodiment that roughly is similar to for chimeric 38, its explanation has been removed from this.
Be used to pass its and insert roughly the lead for retractable pencil of two or three lead for retractable pencils and send into the rear end that hole 63 is formed in sliding part 62, and its external diameter is substantially equal to the lead for retractable pencil female part 64 of the internal diameter of stack shell 1 and is press fitted into the rearward end the inside that lead for retractable pencil is sent into hole 63.The shape of similar circular cone is made in the inboard of lead for retractable pencil female part 64, and consequently a lead for retractable pencil is easy to fall into, and is used for lead for retractable pencil is sent into the lead for retractable pencil patchhole 66 that lead for retractable pencil is sent into hole 63, is formed among the lower end of conical portion 65.Constitute lead for retractable pencil jar portion 67 from the inside of lead for retractable pencil female part 64 stack shell 1 backward, and each lead for retractable pencil falls into lead for retractable pencil one by one by lead for retractable pencil patchhole 66 and sends into hole 63.Eyelet 68 and chuck press-fit holes 69 diameter separately are substantially equal to the diameter (external diameter) of a lead for retractable pencil, are formed among the front portion of sliding part 62, send into hole 63 near lead for retractable pencil.The diameter of eyelet 68 can be made and equal lead for retractable pencil and send into the internal diameter in hole 63 or the internal diameter of chuck press-fit holes 69, and the diameter that is formed in the eyelet 70 of chuck 13 rear ends can be made the diameter that equals lead for retractable pencil.
The details of above-mentioned the 5th embodiment will be described as follows.Because lead for retractable pencil sends into the diameter of the diameter in hole greater than lead for retractable pencil, thereby under the situation of injection-molded etc., the core pin be do not allow flexible.In addition, even, send into the hole so can make straight lead for retractable pencil because the product with a non-circular cross sectional shape also is not allow flexiblely during molded.
Because button 28 is arranged on after the grip part 58 and before the clamp 59, thus might prevent button 28 during writing owing to chance is depressed.
In use, if many lead for retractable pencils are inserted into lead for retractable pencil jar portion 67, then lead for retractable pencil is separated from each lead for retractable pencil by the lead for retractable pencil patchhole 66 of conical portion 65 and is sent into hole 63 and eyelet 68 is admitted to chuck 13 by lead for retractable pencil.Such as since molded due to, even lead for retractable pencil bends to a certain degree, perhaps sliding part 62 bends to a certain degree, but since lead for retractable pencil send into the external diameter of the diameter in hole 63 greater than every lead for retractable pencil, so lead for retractable pencil also can successfully be admitted to chuck 13.At this moment, depress if button 28 radially goes ahead, the front end face 31 that respectively tilts of button 28 is forwards upwards compressing chimeric 38 with each 33 of end face in inclination middle part, is sliding on end face 41 and each angied posterior end face 43 in the middle part of each inclination of chimeric 38 simultaneously.Depress action by this, sliding part 62 and chuck 13 move forward, thereby lead for retractable pencil is fed forward.
Although do not draw, but because the length of chuck from its lead for retractable pencil grip part to its lead for retractable pencil receptacle is selected greater than the length of used lead for retractable pencil, so, remove out the lead for retractable pencil that follows the lead for retractable pencil that feeds forward closely, each remaining lead for retractable pencil can not contact its rear end, so that the lead for retractable pencil that feeds the forward lead for retractable pencil grip part of successfully inserting (or successfully falling into) chuck.Because a lead for retractable pencil follows hard on the lead for retractable pencil that feeds forward, little by little wears away (shortening gradually) along with feeding lead for retractable pencil forward, the lead for retractable pencil that follows hard on just successfully moves and feeds forward.
As shown in figure 25, sliding part 62 can be made for the sliding part of forming by two.If sliding part 62 is formed by two, preferably constitute a concavo-convex fitting portion 69 or an analog, as shown in figure 26, so that these two can be located toward each other.
The 6th embodiment is illustrated in down with reference to Figure 27 and 28.Through hole 71 longitudinally is formed among the sidepiece of stack shell 70, and that the button 72 with U-shaped cross-section passes through hole 71 is equipped, and button 72 can upwards be rotated around the rear end of button 72 in the footpath of stack shell 1.In illustrated embodiment, button 72 is fixed in stack shell 1, groove 73 on the rear end that is formed in button 72 is fitted on the end (rearward end) of through hole 71, and projection 74 closings at front end place that are formed in button 72 are in the other end of through hole 71 (leading section).(top of Figure 27 and bottom respectively corresponding " back " and " preceding ".) but, the method that button 72 is fixed in stack shell 1 is not limited to this example.Can design to such an extent that be parallel to radially moving of stack shell 70 such as, button 72.Nib spare 76 is screwed on the front portion of stack shell 70 via fastener 75.Lead for retractable pencil holding part 77 press fit among the nib spare 76, is used to prevent that lead for retractable pencil from moving backward, and lead for retractable pencil protection tube 78, press fit among nib spare 76 top such as a stainless steel tube, is used to protect lead for retractable pencil.
Sliding part 80 is arranged among the fastener 75, by elastic component 79, pushes backward such as helical spring.Chuck 82 is installed on the front of sliding part 80, and chuck ring 81 is housed above.Chuck 82 is in order to getting loose and to clamp a lead for retractable pencil, and chuck ring 81 is in order to open and close chuck 82.Lead for retractable pencil jar portion 83 is located at the place, rear portion of sliding part 80, wherein store many lead for retractable pencils, and lead for retractable pencil jar portion 83 has also constituted the inside of stack shell 70, that is stack shell 70 itself has constituted lead for retractable pencil jar portion 83.
Sliding part 80 will explain in following.Each inclined end face 84 is formed in the rear end of sliding part 80, and the bottom end face 85 of button 72 front ends that recline.The rear portion of sliding part 80 has circular shape of cross section, and as shown in figure 28, and external diameter is substantially equal to the internal diameter of stack shell 70.The footpath is selected as to form a gap in addition, allows sliding part 80 to move among stack shell 70, does not pass through but do not allow lead for retractable pencil to be used.Specifically, if use so-called 0.5 millimeter lead for retractable pencil (have be specified among JIS (Japanese Industrial Standards) S6013, nominal diameter is that permission diameter range 0.5 millimeter, a lead for retractable pencil is 0.55 millimeter to 0.58 millimeter), the spacing between stack shell 1 and the slider 9 can be set at about 0.1～0.3 millimeter.If use 0.2 millimeter lead for retractable pencil of a what is called, then the gap is about 0.05～0.1 millimeter.The size in this gap can be arbitrarily selected according to the diameter that a lead for retractable pencil to be used is arranged.
Lead for retractable pencil patchhole 86 is formed in the center along its length of sliding part 80, is used for a lead for retractable pencil is sent into chuck 82.
By adopting above-mentioned basic structure, the invention enables and itself to constitute lead for retractable pencil jar portion 83 to stack shell 70, but also a lead for retractable pencil is correctly sent into chuck 13 from stack shell 70 (lead for retractable pencil jar portion 83).
Several remodeling will explain in following.In first remodeling, the rear portion of sliding part 80 has different shape of cross sections.In being shown in the example of Figure 29, sliding part 80 is made a roughly square shape, and its four wedge angles have been removed, so that sliding part 80 can slide on the inner wall surface of stack shell 70.Relation between the shape of the shape of sliding part 80 and stack shell 70 inner wall surface can be conversely.Certainly, the size that is created in each gap 87 between sliding part 80 and the stack shell 70 is done less than the diameter that a lead for retractable pencil to be used is arranged.In being shown in the example of Figure 30, each microspike (longitudinal rib) 88 can be formed on the surface of sliding part 80, so that sliding part 80 can slide on the inner wall surface of stack shell 70.But, be similar to aforesaid example, the relation between the shape of the shape of sliding part 80 and stack shell 70 inner wall surface can be conversely, that is, the shape of cross section of sliding part 80 can be made round-shaped, and each microspike can be formed on the inner wall surface of stack shell.Also be in this example, the height of each projection 88 is made less than the diameter that a lead for retractable pencil to be used is arranged, and any one these example all expects to reduce the resistance to sliding of sliding part for stack shell.In example shown in Figure 31, the interior shape of stack shell 70 is made hexagonal configuration, and the outer shape of sliding part 80 is also made hexagonal configuration, except above-mentioned different shape, can take some other shape miscellaneous.
Second remodeling is intended to prevent to have the sliding part of circular cross sectional shape reliably or the sliding part 80 of first remodeling rotates with respect to stack shell 70.Each fitting portion 89 is formed in the outside of each corresponding inclined end face 84 of sliding part 80, and is surperficial contact (referring to Figure 32 and 33) with each respective side end face of button 72.Like this, though just prevented that by button 72 rotation of sliding part 80 from not drawing, a projection can be formed on the bottom of sliding part, and one can be formed on the inner wall surface of stack shell with the chimeric sliding channel of projection, in case the rotation of on-slip moving part.
The 3rd remodeling can make this part thing of lead for retractable pencil patchhole of a lead for retractable pencil insertion sliding part much easier.As shown in figure 33, cone shape (conus portion 90) can be made in the upper end of the lead for retractable pencil patchhole 86 of sliding part 80.Shown in Figure 34 to 37, can make each sloped surface portion 90, its each diameter all reduces towards its inside center (lead for retractable pencil patchhole 86) gradually from the upper end of corresponding inclined end face 84.
Figure 38 shows the 4th embodiment, makes this part thing of lead for retractable pencil insertion sliding part much easier.Step 91 is formed on the inner wall surface of stack shell 70 of after 80s of sliding part, and a minor diameter 92 is made to such an extent that stretch backward from step 91.Thereby, can prevent that the lead for retractable pencil from being blocked by the back edge 93 of sliding part 80.
In each above-mentioned remodeling, because button is made the sliding part that directly reclines, the whole length of stack shell can be done shortly.In addition, each inclined end face of sliding part because each lead for retractable pencil reclines is so the lead for retractable pencil oil that is included in each lead for retractable pencil can be adhered to each inclined end face, so that button can successfully be pressed on (slip) each inclined end face (sliding part).
As shown in figure 39, constriction 95 has eyelet 94, passes it and can insert a lead for retractable pencil, and this constriction can be formed in the inside of the stack shell 70 of button 72 back.As shown in figure 40, constriction 97 has eyelet 96, passes it and can insert a lead for retractable pencil, and this constriction can be formed in the back of button 72.Owing to do not have lead for retractable pencil to rest on the rear portion of sliding part 80, so each lead for retractable pencil can successfully be admitted to lead for retractable pencil patchhole 86.Specifically, constriction 95 or constriction 97 are used as the lead for retractable pencil receptacle in fact, and are used as lead for retractable pencil jar portion from part 95 or 97 part backward.
Though the above-mentioned remodeling of each that the present invention was employed all has a fastener, as shown in figure 41, nib spare can directly be fixed in the front end of stack shell, and the lead for retractable pencil apparatus for feeding can be fixed among the front portion of stack shell.Thereby, can realize the further reduction of price.
In addition, button can have otch 98 and each inclined end face 99 or arc sections, so that when button is depressed, can prevent that the lead for retractable pencil from being fractureed, such as by button front end one jiao fracture (referring to Figure 42).Certainly, the length of otch 98 is selected must make lead for retractable pencil can not pass through otch 98.
Below explanation is formed near the remodeling of the various constrictions the button rear end.
Figure 43 shows first remodeling, the wherein position of constriction 100 and the position opposite that is shown in the constriction in the example of Figure 40, that is constriction 100 is made to such an extent that be positioned among the through hole 71, so that constriction 100 does not enter stack shell 70, as shown in figure 44, constriction 100 can be equipped with through hole 71 back that wherein major diameter eyelet 101 is formed in stack shell 70.Button 72 can be secured to stack shell 70 by injecting through hole 71 and major diameter eyelet 101, so that this propelling pencil can be assembled by simple process.
Each mosaic process 102 is formed in the rearward end of button 72, and each mosaic process 102 is embedded in the inner wall surface of stack shell 70, throws off stack shell 70 to prevent button 72.Projection 103 is formed in the bottom of sliding part 80, and projection 103 is embedded in the groove 104 that is formed on stack shell 1 inner wall surface, and can prevent that sliding part 80 is with respect to stack shell 70 rotate (referring to Figure 45).
Figure 46 shows an example, and wherein button 72 can rotate on the different pivotal points on radially two rightabouts of stack shell 70.The constriction 105 of button 72 has triangular cross-sectional shape, and step 106 is formed on the inner surface of stack shell 70, and a part of rear end of constriction 105 is embedded in step 106.Button 72 chimericly is rotated (referring to Figure 47) as pivotal point by using this.
In each aforementioned example with constriction, the external diameter of sliding part 80 is done to such an extent that be substantially equal to the internal diameter of stack shell 70, so that can prevent that the lead for retractable pencil from entering the gap between elastic component 10 or elastic component 80 and the stack shell 70.But, the present invention is not confined to this example especially.
Because the rear portion of stack shell 70 formation lead for retractable pencil jar itself, thus unnecessary resemble in the prior art to be advised the lead for retractable pencil jar is prepared as independent one.Thereby, can realize the further reduction of production cost.In addition, because the lead for retractable pencil receptacle is formed in the back of button,,, the rear portion is treated as anterior so that can prevent that button is embedded stack shell mistakenly when button must be put into stack shell (at assembly process) so can distinguish the front portion and the rear portion of button clearly.Owing to can clearly distinguish the front portion and the rear portion of button, can make very soon about the decision of push-button, so that button and stack shell can be easily and assemble soon and improved productivity ratio.
Figure 48 and 49 shows second remodeling, and wherein the lead for retractable pencil patchhole 108 of constriction 107 is made slotted eye shape shape.Through hole 71 is formed in stack shell 70 longitudinally on the sidepiece, and that the button 72 with U-shaped cross-section passes through hole 71 is equipped, and button 72 can the rearward end around button 72 be rotated on radially two rightabouts of stack shell 1.Constriction (lead for retractable pencil receptacle) 107, its external diameter are substantially equal to the internal diameter of stack shell 70 and from axis slight inclination forward, make one with the rearward end of button 72.If the external diameter of constriction is done to such an extent that be substantially equal to the internal diameter of stack shell 70, constriction 107 can be fitted among the stack shell 70, perhaps can form a gap that does not allow lead for retractable pencil to pass through between constriction 107 and stack shell 70.Constriction 107 forms wallboard at the middle part of stack shell 70, so that constitutes lead for retractable pencil patchhole 108 from constriction 107 part (top of Figure 48) backward.The lead for retractable pencil patchhole 109 of slotted eye shape is formed in the central authorities of constriction 107, and still, inclined surface also can be formed in the back of lead for retractable pencil patchhole 109, so that a lead for retractable pencil falls towards lead for retractable pencil patchhole 109 easily.Inclined surface 110 is formed in the lower end (constriction 107, become thereon that opposite end of a side with push-button system) of constriction 107.Inclined surface 110 is in order to prevent that when button 72 was depressed, the bottom of constriction 107 was contacted with the inner surface of stack shell 70.
Each projection 112 and 113 is formed in the preceding and back two ends of button 72 respectively, and respectively closing consequently can prevent that button 72 bullets are from (deviating from) stack shell 70 in through hole 71 before and the inner face 114 and 115 at two ends, back.
Figure 50 shows an example, designs to such an extent that can prevent that sliding part from rotating with respect to stack shell.In this example, roughly square shape of cross section is made in the inboard of stack shell, and sliding part 80 is made square shape of cross section.Thereby the constriction 115 of button 72 is made square shape of cross section.
In order to prevent the rotation of sliding part 80, projection 116 can be formed in the inboard that lead for retractable pencil patchhole 109 is positioned at stack shell 70 wherein, and the groove 117 that is embedded in projection 116 can be formed in (referring to Figure 51 and 52) among the sliding part 80.
Being intended to pack into the example of process of stack shell of simplified push button will be illustrated in down.In being shown in the example of Figure 53, each slotted eye 118 is formed in the rear portion of button 72, so that give elastic force to corresponding each projection 113, causes can easily pack into the through hole 71 (referring to Figure 54) of stack shell 70 of button 72.When button 72 is packed through hole 71 into, can prevent that also on the length direction certain from moving about.Each slotted eye 118 also can be formed in the front portion of button 72, so that give elastic force to corresponding each projection 112.Each slotted eye 118 can just be formed in the front portion of button 72, so that just give elastic force to corresponding each projection 112.Shown in Figure 55, each projection 113 can be made outstandingly to the inside of button 72, thereby the position of each projection and each slotted eye can arbitrarily be selected.
Figure 56 and 57 shows a kind of remodeling of button 72.In this remodeling, each projection 113 that is embedded in the through hole 71 of stack shell 70 is made outstandingly backward, so that button 72 does not contact when button 72 is depressed each other with sliding part 80.In this remodeling, though a kind of strength always can make button 72 disengagement tubes act on 70 direction above the button 72, the chimeric button 72 that prevents of each projection 112 is thrown off stack shells 70; Pushing button 72 can prevent shaking of button 72 on disengaged direction.
According to a first aspect of the present invention, in a side-knock mechanical pencil, the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is placed on the sidepiece of this stack shell, so that this button can upwards inwardly be depressed in the footpath of stack shell, button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feed a lead for retractable pencil from stack shell, in this pencil, configuration lead for retractable pencil insertion section, lead for retractable pencil can pass through on the direction of exerting pressure to button, and the diameter of this lead for retractable pencil insertion section doubles the diameter of lead for retractable pencil at least, also at least one lead for retractable pencil receptacle of former configuration of lead for retractable pencil insertion section.According to a second aspect of the present invention, in side-knock mechanical pencil, the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of this stack shell, so that button can upwards inwardly be depressed in the footpath of stack shell, and button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feeds a lead for retractable pencil from stack shell, in this pencil, at least one lead for retractable pencil receptacle be arranged on button near; The lead for retractable pencil patchhole is arranged on the lead for retractable pencil receptacle; Lead for retractable pencil can from this lead for retractable pencil insert in the hole by; Cross-sectional area is formed on the opposite flank of lead for retractable pencil receptacle greater than each space of the cross-sectional area of lead for retractable pencil patchhole.Thereby, a kind of propelling pencil might be provided, make marked downly, but can realize under the situation of not damaging key property that a kind of lead for retractable pencil smoothly feeds operation.
Claims (11)
1. side-knock mechanical pencil, wherein the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of described stack shell, so that described button can upwards inwardly be depressed in the footpath of described stack shell, described button is depressed described lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feed a lead for retractable pencil from described stack shell, it is characterized in that, configuration lead for retractable pencil insertion section, being used for lead for retractable pencil can pass through on the direction of exerting pressure to described button, this lead for retractable pencil insertion section makes to such an extent that the diameter that has doubles the diameter of lead for retractable pencil, also at least one lead for retractable pencil receptacle of configuration before described lead for retractable pencil insertion section at least.
2. side-knock mechanical pencil, wherein the lead for retractable pencil apparatus for feeding is arranged on the inside of stack shell, and button is arranged on the sidepiece of described stack shell, so that button can upwards inwardly be depressed in the footpath of described stack shell, button is depressed the lead for retractable pencil apparatus for feeding is moved forward and backward, thereby feed a lead for retractable pencil from described stack shell, it is characterized in that, at least one lead for retractable pencil receptacle be arranged on described button near; The lead for retractable pencil patchhole is arranged on the described lead for retractable pencil receptacle, and lead for retractable pencil can pass through from this lead for retractable pencil patchhole; And cross-sectional area is formed on the opposite flank of described lead for retractable pencil receptacle greater than each space of the cross-sectional area of described lead for retractable pencil patchhole.
3. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, described button is arranged on the sidepiece of described stack shell, so that described button can upwards inwardly be depressed in the footpath of described stack shell always, and described button has fitting portion, be formed on the incline direction with respect to described button moving direction, described lead for retractable pencil apparatus for feeding has chimeric receptacle, be used to be embedded in described fitting portion, and described button and described lead for retractable pencil apparatus for feeding are chimeric each other slidably under the state that clamps described fitting portion and described chimeric receptacle.
4. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, described button is arranged on the sidepiece of described stack shell, so that described button can upwards inwardly be depressed in the footpath of described stack shell always, and described button has at least two fitting portions, be formed on the incline direction with respect to described button moving direction, described lead for retractable pencil apparatus for feeding has each chimeric receptacle, be embedded in described two fitting portions respectively, and described button and described lead for retractable pencil apparatus for feeding are chimeric each other slidably under the state that clamps described each fitting portion and described each chimeric receptacle.
5. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, described button is arranged on the sidepiece of described stack shell, and consequently described button can upwards inwardly be depressed in the footpath of described stack shell always, and press-fitting portion and non-press-fitting portion are formed on the described button.
6. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that the grip part is formed in the front portion of described stack shell, and clamp is arranged on the rear portion of described stack shell, and described button is arranged on the back of described grip part and the front of described clamp.
7. one kind according to the described side-knock mechanical pencil of claim 2, it is characterized in that described lead for retractable pencil patchhole is formed on the described lead for retractable pencil receptacle, and its diameter allows a lead for retractable pencil to pass through.
8. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, sliding part is used for described lead for retractable pencil apparatus for feeding is passed in the operation of described button, be arranged among the described lead for retractable pencil apparatus for feeding, so that constitute the part of described lead for retractable pencil apparatus for feeding, the lead for retractable pencil patchhole is formed on the described sliding part, and the gap is formed between the external diameter and described stack shell of described sliding part, and described gap is done less than the external diameter of lead for retractable pencil.
9. one kind according to the described side-knock mechanical pencil of claim 8, it is characterized in that, inclined surface is formed on the surface, inside of described sliding part, described inclined surface, its diameter reduces gradually towards the center of described sliding part, be formed on the surface, inside of described sliding part, and described inclined surface and described lead for retractable pencil patchhole are located adjacent one another.
10. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, the lead for retractable pencil receptacle is formed in the rear portion of described button, the external diameter that described lead for retractable pencil receptacle has is substantially equal to the internal diameter of described stack shell, and the lead for retractable pencil patchhole is formed on the described lead for retractable pencil receptacle, and lead for retractable pencil can pass through from this lead for retractable pencil patchhole.
11. one kind according to claim 1 or 2 described side-knock mechanical pencils, it is characterized in that, one is made at the rear portion of lead for retractable pencil receptacle and described button, the external diameter that described lead for retractable pencil receptacle has is substantially equal to the internal diameter of described stack shell, and slotted eye shape lead for retractable pencil patchhole is formed on the described lead for retractable pencil receptacle, and lead for retractable pencil can pass through from this lead for retractable pencil patchhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96191658 CN1169698A (en) | 1995-01-30 | 1996-01-26 | Side-knock mechanical pencil |
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33065/95 | 1995-01-30 | ||
| JP64843/95 | 1995-02-28 | ||
| JP100763/956 | 1995-03-31 | ||
| JP100762/95 | 1995-03-31 | ||
| JP127173/95 | 1995-04-27 | ||
| JP155306/95 | 1995-05-30 | ||
| JP336159/95 | 1995-11-30 | ||
| JP336163/95 | 1995-11-30 | ||
| CN 96191658 CN1169698A (en) | 1995-01-30 | 1996-01-26 | Side-knock mechanical pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1169698A true CN1169698A (en) | 1998-01-07 |
Family
ID=5128218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96191658 Pending CN1169698A (en) | 1995-01-30 | 1996-01-26 | Side-knock mechanical pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1169698A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108698434A (en) * | 2016-02-11 | 2018-10-23 | 法商Bic公司 | Mechanical pencil with side button and rubber distributor and assemble method |
| USD866662S1 (en) | 2016-12-06 | 2019-11-12 | Sanford L.P. | Writing instrument |
-
1996
- 1996-01-26 CN CN 96191658 patent/CN1169698A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108698434A (en) * | 2016-02-11 | 2018-10-23 | 法商Bic公司 | Mechanical pencil with side button and rubber distributor and assemble method |
| CN108698434B (en) * | 2016-02-11 | 2020-12-25 | 法商Bic公司 | Mechanical pencil with side button and eraser dispenser and method of assembly |
| USD866662S1 (en) | 2016-12-06 | 2019-11-12 | Sanford L.P. | Writing instrument |
| US10525762B2 (en) | 2016-12-06 | 2020-01-07 | Sanford L.P. | Writing instrument side-knock mechanism |
| US10843502B2 (en) | 2016-12-06 | 2020-11-24 | Sanford L.P. | Writing instrument side-knock mechanism |
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