CN103062327B - Assembly of pin and there is this Assembly of pin roll bar chain bar - Google Patents
Assembly of pin and there is this Assembly of pin roll bar chain bar Download PDFInfo
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- CN103062327B CN103062327B CN201210580109.8A CN201210580109A CN103062327B CN 103062327 B CN103062327 B CN 103062327B CN 201210580109 A CN201210580109 A CN 201210580109A CN 103062327 B CN103062327 B CN 103062327B
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- assembly
- bearing pin
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Abstract
The present invention discloses a kind of Assembly of pin, has bearing pin, first and second stops, are all located at upper and axially spaced along bearing pin of bearing pin (8), and leaf spring (4), there is baseplate part (41), from the first and second bent plate portions (43 that two ends difference inflection two opposite directions that also edge is parallel with baseplate part of baseplate part extend, 45), the free end (13) in the first bent plate portion (43) tilts along the direction expanding interval between baseplate part, wherein, the two ends of baseplate part respectively elasticity compress the first stops (10) and the second stops (11), wherein, at least in the first and second stops, on a stops of the free end (13) in the first bent plate portion (43), be provided with restriction protrusion (12).The present invention also provides one to roll bar chain bar, and it has Assembly of pin of the present invention.When adopting Assembly of pin of the present invention to connect connected piece as link, the installation and removal of connected piece are made to become convenient and swift.
Description
Technical field
What the present invention relates to a kind of Assembly of pin and have this Assembly of pin rolls bar chain bar.
Background technique
At present, continuous flat press for the production of man-made boards such as middle and higher density wad and shaving boards (oriented wood chipboard) is mainly steel band and rolls bar chain type continuous press, by hot platen, roll bar chain and steel band forms, roll bar chain at hot platen towards between the one side and the active section steel band of motion of slab, walk around hot platen front end and back end end-to-end formed annular roll bar chain, cover the whole working surface of hot platen, this moving system can be regarded as a sizable roller bearing of diameter, rolls the roller that bar chain is then equivalent to bearing.Roll bar chain to form by rolling bar, supporting axle, chain and spring, rolling bar is an elongated axle with footpath, there is deep hole rolling bar two ends, in this deep hole, supporting axle is housed, roll bar to roll around supporting axle, the other end of supporting axle is arranged in the inner plate of chain or the through hole of outer plate, and chain is driven by supporting axle and rolls bar motion, and the spring that supporting axle is equipped with rolls the change in gap between bar when being heated pressurized in order to compensate.In prior art, chain and chain-plate is built with spring with holes, spring nose end is stuck in the groove of supporting axle, the other end of supporting axle is inserted in and rolls in rod aperture, there is following deficiency in this connecting means: one is supporting axle is roll the weakest link in bar chain system in actual applications, and the stress born is large, and supporting axle is Step Shaft form, shaft shoulder transition position easily occurs that stress is concentrated, and supporting axle is easily broken or bending; Two be spring clip in the groove of supporting axle, supporting axle dismounting be difficult to very time-consuming, be also easy to destroy spring eye; Three are supporting axles with rolling rod aperture is rigid body, and friction is large each other, and to roll bar wearing and tearing large to expensive, and to roll rod aperture be vexed hole, and the supporting axle poor lubrication of rigidity, easily occurs supporting axle wearing and tearing or suffocate and rupture; These deficiencies have impact on the operation and maintenance of equipment.
Summary of the invention
For the one or more problems existed in correlation technique, the bar chain bar Assembly of pin that rolls that the object of the present invention is to provide a kind of Assembly of pin and have this Assembly of pin is convenient to remove and install.
For achieving the above object, one aspect of the present invention provides Assembly of pin, comprising: bearing pin, also comprises: the first and second stops, to be all located on bearing pin and axially spaced along bearing pin; And leaf spring, the the first and second bent plate portions there is baseplate part, extending from two ends difference inflection two opposite directions that also edge is parallel with baseplate part of baseplate part, the free end in the first bent plate portion tilts along the direction expanding interval between baseplate part, wherein, the two ends of baseplate part respectively elasticity compress the first stops and the second stops, at least in the first and second stops, are provided with restriction protrusion on a stops of the free end in the first bent plate portion.
Preferably, bearing pin is optical axis, and the first stops, the second stops are all removably integrally fixed with bearing pin.
Preferably, Assembly of pin also comprises the sliding sleeve be set on bearing pin, and on the direction of the axis around bearing pin, sliding sleeve is fixedly connected with bearing pin, and the position relationship of sliding sleeve, the first stops and the second stops is set to: the axial interval successively along bearing pin is arranged.
Preferably, on the outer circumferential face of sliding sleeve, offer the annular groove around the axis of sliding sleeve or spiral groove.
Preferably, the material of sliding sleeve is copper-based material.
On the other hand, the present invention also provides one to roll bar chain bar, and have chain, roll bar and connect the Assembly of pin rolling bar and chain, Assembly of pin is the aforementioned arbitrary Assembly of pin of the present invention.
Preferably, chain has: opposed facing first carrier bar and the second carrier bar, run through the first through hole of the first carrier bar, with the second through hole running through the second carrier bar, Assembly of pin is set to: the second stops and the first stops insert the direction of rolling bar along bearing pin and arrange compartment of terrain successively, wherein the free end in the first bent plate portion of leaf spring points to the second stops from the first stops, second stops is provided with restriction protrusion, first clear size of opening of the first carrier bar is set to: pass for the first stops and the leaf spring be positioned between the first and second stops, the restriction protrusion of backstop second stops is passed simultaneously, second clear size of opening of the second carrier bar is set to: for the first stops, and the leaf spring between the first and first stops passes, wherein, the free end in the first bent plate portion of leaf spring is between the first and second carrier bars, and free end tilts relative to the baseplate part of leaf spring and forms block tongue to exceed the external frame of the first through hole, the part passed from the second through hole of the second carrier bar of bearing pin, insertion is rolled in bar to be formed with it to roll and is coordinated.
Preferably, the first through hole of the first carrier bar and the second through hole of the second carrier bar are square hole.
Preferably, Assembly of pin has two leaf springs, and these two leaf springs are arranged relative to the axisymmetrical of bearing pin.
Preferably, the insertion that the sliding sleeve in Assembly of pin is fixed on bearing pin is rolled on the shaft part of bar, and sliding sleeve coordinates with rolling to be formed to roll between bar.
Compared to prior art, beneficial effect of the present invention is:
1., when Assembly of pin of the present invention uses as link, make the installation and removal between connected piece become convenient and swift, illustrate for the installation and removal of rolling bar and chain below:
When needs by means of Assembly of pin of the present invention install roll bar and chain time, press the block tongue of leaf spring (namely, the free end in the first substrate portion of leaf spring) make one end of bearing pin roll bar that being formed rolls coordinates from entering after the carrier bar of chain passes, then unclamp block tongue, can prevent bearing pin from departing from the carrier bar of chain by means of the restriction protrusion of block tongue and the second stops (also can be referred to as outer stops) being arranged on bearing pin.Therefore, by pressing and discharge the simple operations of block tongue, bar can will be rolled and chain is installed together, so the installation that Assembly of pin of the present invention makes chain and rolls bar becomes convenient and swift.
When needs will roll bar and chain disassembles, when pressing block tongue, just bearing pin, the leaf spring be fixed between the first stops (also can be referred to as interior stops) on bearing pin and the second stops and this two stops can be extracted through after carrier bar together, thus completed the dismounting of rolling bar and chain.Therefore, the Assembly of pin of the present invention convenient disassembly that makes to roll bar and chain is quick.
2. when arranging annular groove or spiral groove on the outer circumferential face of the sliding sleeve of bearing pin, sliding sleeve and the component supported by sliding sleeve are formed and roll when coordinating, this groove uses the working environment that can improve between sliding sleeve and respective support parts as oil groove, thus the corresponding working life extending Assembly of pin.
3., when bearing pin is optical axis, the stress concentration point of bearing pin is decreased, improves the intensity of bearing pin.
4. of the present inventionly roll in bar chain bar, because the connection of rolling between bar and chain adopts the above-mentioned arbitrary Assembly of pin of the present invention, therefore obtain relevant art effect.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is an embodiment of Assembly of pin of the present invention, and the sliding sleeve be set in shown in it on bearing pin has annular groove;
Fig. 2 is another embodiment of Assembly of pin of the present invention, and the sliding sleeve be set in shown in it on bearing pin has spiral groove;
Fig. 3 is the stereogram of an example of leaf spring in Assembly of pin of the present invention, and leaf spring shown in it is the situation of semielliptic spring;
Fig. 4 is the schematic perspective view that the present invention rolls the partial structurtes of bar chain bar, illustrated therein is the situation adopting Assembly of pin of the present invention to roll bar and be connected with chain;
Fig. 5 is the vertical view cutaway drawing of structure shown in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described.
On the one hand, the invention provides, a kind of Assembly of pin, see Fig. 1-3, Assembly of pin of the present invention comprises: bearing pin 8, first stops (also can be referred to as interior stops) 10, second stops (also can be referred to as outer stops) 11 and leaf spring 4.First stops 10 and the second stops 11 were separate piece before installing with bearing pin 8, and these two stops can means of fixation to be fixedly installed on bearing pin 8 and axis along bearing pin 8 separates arbitrarily.
As shown in Figure 3, leaf spring 4 has baseplate part 41 and inflection first bent plate portion 43 and the second bent plate portion 45 of extending respectively from the two ends of baseplate part 41, these two bent plate portions are all parallel to baseplate part 41 and extend, and the bearing of trend in these two bent plate portions is opposite each other.And as shown in Figure 3, these two bent plate portions 43 and 45 are in the same side of baseplate part 41.The leaf spring 4 of structure like this can be referred to as semielliptic spring.Further, the direction that the free end 13 in the first bent plate portion 41 is set to along expanding interval between baseplate part 41 and this free end 13 tilts, and namely this free end 13 upwarps relative to baseplate part 41 in figure 3.In Assembly of pin of the present invention, when in a state of use, the two ends of the baseplate part 41 of leaf spring 4 respectively elasticity compress the first stops 10 and the second stops 11, and this is as can be seen from Fig. 4 and Fig. 5.It can also be seen that from Fig. 3, be formed with breach in the position of the close free end 13 in the first bent plate portion 43 of leaf spring 4, this makes the first bent plate 43 narrow at free end 13 place.
In the present invention, at least in the first and second stops towards on a stops of the free end 13 in the first bent plate portion 43 of leaf spring 4, be provided with restriction protrusion.See Fig. 1-2, can arrange restriction protrusion 12 on the second stops 11, this restriction protrusion 12 can be such as any structure that can play position-limiting action such as shoulder or projection short column.The free end 13 of the tilting of restriction protrusion 12 and leaf spring 4, together form two bounding meanss of Assembly of pin.Following see in the description of Fig. 4 and Fig. 5, it is spacing how these two bounding meanss known realize bearing pin.
Further, as Fig. 1 and Fig. 2 illustrates, Assembly of pin can also include sliding sleeve 9.Sliding sleeve 9 be set in bearing pin 8 away from the shaft part of the first stops 10 and the second stops 11, and sliding sleeve 9 is fixedly connected with (such as interference fit) in the circumference around bearing pin 8 with bearing pin 8.The outer circumferential face of sliding sleeve 9 can arrange annular groove (as shown in Figure 1) or spiral groove (as shown in Figure 2) as oil duct, working environment between the supporting element that can improve sliding sleeve 9 and supported by it, thus the corresponding working life extending bearing pin.But the present invention is not limited to above-mentioned annular and these two kinds of grooves of spirality, and other can play the groove structure of lubrication effect.Sliding sleeve 9 preferably adopts copper-based material, as tin bronze, lead bronze etc., other wear resistancies and the good material of greasy property also passable.
Preferably, bearing pin 8 can be set to optical axis, and due to the structure characteristic not having step etc. to cause stress concentrated, this makes the stress concentration point of bearing pin 8 reduce, and the corresponding intensity of bearing pin 8 that makes of the intensity that improve bearing pin 8 is improved.Optical axis herein can be isodiametric optical axis, also can be the optical axis of variable diameters, if straighten the variable diameters that journal axle then needs for smooth transition, as diminished shaft, does not namely have step.
As for the first stops 10, second stops 11, connection between sliding sleeve 9 and bearing pin 8, such as hot jacket or freezing method can be adopted, they are integrally fixed.Hot jacket method is heating first stops 10, second stops 11, sliding sleeve 9 makes them be socketed on bearing pin 8, then cools they and bearing pin 8 are integrally fixed; Otherwise freezing method, freezing to as if bearing pin 8, first stops 10, second stops 11, sliding sleeve 9 respectively with freezing after bearing pin 8 be socketed, after the freezing releasing of bearing pin 8, bearing pin 8, first stops 10, second stops 11, sliding sleeve 9 are integrally fixed.
On the other hand, the present invention also provides one to roll bar chain bar, see Fig. 4 and Fig. 5, rolls bar 2 and chain 5 is linked together by the aforementioned arbitrary Assembly of pin of the present invention.
As shown in Figure 4, chain 5 has the first carrier bar 61 (also can be referred to as inner plate) and the second carrier bar 63 (also can be referred to as outer plate) toward each other and runs through the first through hole of the first carrier bar 61, runs through the second through hole of the second carrier bar 63.
Composition graphs 4-Fig. 5, in Assembly of pin, the position relationship of the first and second stops is set to: the second stops 11 and the first stops 10 insert the direction of rolling bar 2 along bearing pin 8 and be fixed on successively on bearing pin 8.Meanwhile, leaf spring 4 is mounted in Assembly of pin: make the free end 13 in the first bent plate portion 43 of leaf spring 4 point to the second stops 11 from the first stops 10, even if obtain free end 13 towards the second stops 11.Second stops 11 is provided with restriction protrusion 12.
Continue see shown in Fig. 4 and Fig. 5, in order to install chain 5 by means of Assembly of pin and roll bar 2, the first clear size of opening of the first carrier bar 61 is set to: for the first stops 10 and be positioned at leaf spring 4 between described first and second stops through, simultaneously the described restriction protrusion of backstop second stops 11 pass; Second clear size of opening of the second carrier bar 63 is set to: pass for the first stops 10 and the leaf spring 4 between the first and first stops.In other words, when promoting bearing pin 8 along L direction in Fig. 5 (pointing to the direction of the first stops 10 from the second stops 11), restriction protrusion 12 on second stops 11 can compress the outer plate surface 65 of the first carrier bar 61, thus stops Assembly of pin to depart from chain 5 along L direction.
It can also be seen that from Fig. 4 and Fig. 5, the free end 13 in the first bent plate portion of leaf spring 4 is between the first and second carrier bars 61,63, and this free end 13 tilts the external frame of the first through hole to exceed the first carrier bar relative to the baseplate part of leaf spring and forms block tongue.When promoting bearing pin 8 along K direction in Fig. 5 (contrary with L direction), block tongue compresses the inner plate surface 67 of the first carrier bar 61, thus stops Assembly of pin to depart from chain 5 along K direction.
See shown in Fig. 5, the part passed from the second through hole of the second carrier bar 63 of bearing pin 8, insert roll in bar 2 with roll bar 2 and formed to roll and coordinate.
Obviously, the block tongue in Assembly of pin, restriction protrusion 12, together with the first carrier bar 61, just can prevent bearing pin 8 from chain 5 and roll bar 2 and depart from.Thus achieve by Assembly of pin by chain 5 with roll bar 2 and be fixedly connected with.The sheathed aforesaid sliding sleeve 9 in one end rolling bar 2 in the insertion of bearing pin 8 is a kind of preferred versions.Bearing pin 8 coordinates with the rolling of rolling between bar 2 and is embodied as: sliding sleeve 9 coordinates with the rolling of rolling bar 2.
Below with further reference to Fig. 4-Fig. 5, illustrate and utilize Assembly of pin of the present invention to mount and dismount chain 5 and roll the process of bar 2, this sentences situation bearing pin being arranged with sliding sleeve 9 is example:
(1) when chain 5 being installed and rolling bar 2:
The block tongue (being herein the free end in the first bent plate portion 43 of leaf spring 4) of extruding leaf spring 4, make leaf spring 4 together with bearing pin 8, sliding sleeve 9 and the first stops 10 the first and second carrier bars through chain 5, until one end being provided with sliding sleeve 9 of bearing pin 8 is inserted roll bar 2.Wherein, block tongue is between the first and second carrier bars 61,63, and block tongue resilience after unclamping block tongue also exceeds the external frame of the first through hole of the first carrier bar 61, stops bearing pin 8 to depart from chain 5 along K direction can coordinate with the first carrier bar 61.And the restriction protrusion 12 of the second stops 11, by outer plate surface 65 backstop of the first carrier bar 61, namely cannot be passed from the first through hole of the first carrier bar 61, thus this restriction protrusion 12 coordinates with the first carrier bar 61 and stops bearing pin 8 to depart from chain along L direction.In brief, by means of only the pressing and unclamp of block tongue of leaf spring 4, just bar 2 can will be rolled and chain 5 is fixed together.Chain after installation and roll bar as shown in Figure 4 and Figure 5.
(2) when dismantling chain 5 and roll bar 2:
The block tongue of extruding leaf spring 4, then by bearing pin 8 together with leaf spring 4, be sheathed on the sliding sleeve 9 on bearing pin 8 and the first stops 10 be fixedly arranged on bearing pin 8 is extracted, just can realize chain 5 and roll the dismounting of bar 2.In brief, by means of only the block tongue pressing leaf spring 4, just bar 2 can will be rolled and chain 5 is taken apart.
According to the above description to rolling bar chain bar, obviously, Assembly of pin of the present invention makes the installation and removal of rolling bar and chain all become convenient and swift.
As can be seen from Figure 4, the first through hole of the first carrier bar 61, the second through hole of the second carrier bar 63 can be square hole, but this is only example, and the present invention is not limited to this.In addition, in the working procedure of rolling bar chain bar, bearing pin 8 meeting is along the axis deviation of bearing pin 8, or overall displacement, therefore needs to set right to bearing pin 8 and reset.For this reason, a pair above-mentioned leaf spring 4 can be set on bearing pin 8, and this pair leaf spring 4 is arranged relative to the axisymmetrical of bearing pin 8, thus this pair leaf spring 4 just can play the above-mentioned effect of setting right and resetting.
It may be noted that Assembly of pin of the present invention may be used for other and is similar to the similar occasions of rolling bar and chain Placement, and be not only confined to the occasion for rolling bar chain bar.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an Assembly of pin, comprising: bearing pin (8), the first and second stops (10,11), is all located at upper and axially spaced along described bearing pin of described bearing pin (8); And
Leaf spring (4), there is baseplate part (41), distinguish inflection from the two ends of described baseplate part and the first and second bent plate portions (43,45) extended along two opposite directions parallel with described baseplate part, the free end (13) in described first bent plate portion (43) tilts along the direction expanding interval between described baseplate part, it is characterized in that, also comprise:
The two ends of described baseplate part (41) respectively elasticity compress described first stops (10) and the second stops (11),
Wherein, at least in described first and second stops (10,11) towards on a stops of the free end (13) in described first bent plate portion (43), be provided with restriction protrusion (12).
2. Assembly of pin according to claim 1, is characterized in that,
Described bearing pin (8) is optical axis, and described first stops (10), the second stops (11) are all removably integrally fixed with described bearing pin (8).
3. Assembly of pin according to claim 1, is characterized in that,
Also comprise the sliding sleeve (9) be set on described bearing pin (8), and on the direction of the axis around described bearing pin, described sliding sleeve (9) is fixedly connected with described bearing pin (8),
The position relationship of described sliding sleeve (9), described first stops (10) and the second stops (11) is set to: the axial interval successively along described bearing pin is arranged.
4. Assembly of pin according to claim 3, is characterized in that,
On the outer circumferential face of described sliding sleeve (9), offer the annular groove around the axis of described sliding sleeve or spiral groove.
5. the Assembly of pin according to claim 3 or 4, is characterized in that,
The material of described sliding sleeve (9) is copper-based material.
6. roll a bar chain bar, there is chain (5), roll the Assembly of pin rolling bar (2) and described chain (5) described in bar (2) and connection,
It is characterized in that, described Assembly of pin is the Assembly of pin described in aforementioned any one claim.
7. according to claim 6ly roll bar chain bar, it is characterized in that,
Described chain has: opposed facing first carrier bar (61) and the second carrier bar (63), run through the first through hole of described first carrier bar and run through the second through hole of described second carrier bar,
Described Assembly of pin is set to: the direction of rolling bar described in described second stops (11) and the first stops (10) insert along described bearing pin (8) is arranged compartment of terrain successively, the free end (13) in the first bent plate portion (43) of wherein said leaf spring points to described second stops (11) from described first stops (10), described second stops (11) is provided with described restriction protrusion (12)
First clear size of opening of described first carrier bar (61) is set to: pass for described first stops (10) and the leaf spring (4) be positioned between described first and second stops, described in backstop, the described restriction protrusion of the second stops (11) is passed simultaneously
Second clear size of opening of described second carrier bar (63) is set to: pass for described first stops (10) and the described leaf spring (4) between the described first and first stops,
Wherein, the free end (13) in the first bent plate portion (43) of described leaf spring is positioned between described first and second carrier bars (61,63), and described free end (13) tilts relative to the baseplate part (41) of described leaf spring and forms block tongue to exceed the external frame of described first through hole
Wherein, the part passed from described second through hole of described second carrier bar of described bearing pin (8), rolls described in insertion in bar (2) and forms cooperation of rolling with it.
8. according to claim 7ly roll bar chain bar, it is characterized in that,
Described first through hole of described first carrier bar (61) and described second through hole of described second carrier bar (63) are square hole.
9. according to claim 8ly roll bar chain bar, it is characterized in that,
Described Assembly of pin has two described leaf springs (4), and these two described leaf springs (4) are arranged relative to the axisymmetrical of described bearing pin (8).
10. according to any one of claim 6-9, roll bar chain bar, it is characterized in that,
Roll on the shaft part of bar (2) described in the insertion that sliding sleeve (9) in described Assembly of pin is fixed on described bearing pin (8), sliding sleeve (9) with described roll to be formed to roll between bar (2) coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580109.8A CN103062327B (en) | 2012-12-27 | 2012-12-27 | Assembly of pin and there is this Assembly of pin roll bar chain bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580109.8A CN103062327B (en) | 2012-12-27 | 2012-12-27 | Assembly of pin and there is this Assembly of pin roll bar chain bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062327A CN103062327A (en) | 2013-04-24 |
| CN103062327B true CN103062327B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580109.8A Expired - Fee Related CN103062327B (en) | 2012-12-27 | 2012-12-27 | Assembly of pin and there is this Assembly of pin roll bar chain bar |
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| Country | Link |
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| CN (1) | CN103062327B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928146A (en) * | 2019-04-18 | 2019-06-25 | 黄山鼎奇链传动有限公司 | A kind of dish conveying device |
| CN110017324A (en) * | 2019-04-19 | 2019-07-16 | 中国福马机械集团有限公司 | Supporting shaft for continuous press |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2624774A (en) * | 1948-12-29 | 1953-01-06 | Ibm | Plugboard contactor |
| US4232764A (en) * | 1977-07-25 | 1980-11-11 | Sumitomo Electric Industries, Ltd. | Apparatus for mounting elongated rod-like member |
| US4449448A (en) * | 1981-10-13 | 1984-05-22 | Santrade Ltd. | Double band press |
| CN202468610U (en) * | 2012-03-06 | 2012-10-03 | 福建富兴工业彩弹枪有限公司 | Quick mounting and dismounting structure for paintball gun fastening component |
-
2012
- 2012-12-27 CN CN201210580109.8A patent/CN103062327B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2624774A (en) * | 1948-12-29 | 1953-01-06 | Ibm | Plugboard contactor |
| US4232764A (en) * | 1977-07-25 | 1980-11-11 | Sumitomo Electric Industries, Ltd. | Apparatus for mounting elongated rod-like member |
| US4449448A (en) * | 1981-10-13 | 1984-05-22 | Santrade Ltd. | Double band press |
| CN202468610U (en) * | 2012-03-06 | 2012-10-03 | 福建富兴工业彩弹枪有限公司 | Quick mounting and dismounting structure for paintball gun fastening component |
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| CN103062327A (en) | 2013-04-24 |
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