CN103115524A - Portable strong crossbow - Google Patents
Portable strong crossbow Download PDFInfo
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- CN103115524A CN103115524A CN2013100283947A CN201310028394A CN103115524A CN 103115524 A CN103115524 A CN 103115524A CN 2013100283947 A CN2013100283947 A CN 2013100283947A CN 201310028394 A CN201310028394 A CN 201310028394A CN 103115524 A CN103115524 A CN 103115524A
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Abstract
The invention discloses a portable strong crossbow which comprises a crossbow support, a crossbow frame, a gripping handle, a trigger mechanism and an ejection mechanism. The crossbow support is fixedly connected with the rear end of the crossbow frame, a sliding groove is formed in the crossbow frame along the ejection direction, the gripping handle is fixed on the lower portion of the crossbow frame, and the trigger mechanism is arranged on the position, at the front portion, of the crossbow frame. The ejection mechanism comprises a left elasticity plate, a right elasticity plate, and a shear type telescopic mechanism, wherein the left elasticity plate and the right elasticity plate are arranged symmetrically, the rear end of the left elasticity plate and that of the right elasticity plate are fixed on the rear portion of the crossbow frame, the front of the left elasticity plate and that of the right elasticity plate are movably connected with the shear type telescopic mechanism, the shear type telescopic mechanism is connected on the crossbow frame through a rear hinge pin hole and a rear hinge pin, a front hinge pin is arranged in the front hinge pin hole, the shear type telescopic mechanism is installed in the sliding groove through the front hinge pin, and the upper end of the front hinge pin is connected with an arrow pushing stop dog. The lower end of the front hinge pin is connected with the trigger mechanism in a locking mode when the shear type telescopic mechanism retracts. The portable strong crossbow has the advantages that a firing range and a hit rate of the crossbow are improved, and operation is enabled to be more convenient.
Description
Technical field
The present invention relates to launch instrument, relate in particular to a kind of portable strong crossbow.
Background technology
Bow and crossbow have used as a kind of weapon very early in China.Crossbow is to create on the basis of bow out, and due to the restriction that is subject to muscle power, the people pulls open bow can not be lasting, in order to extend the time that draws a bow, aims at better, and our ancestors have invented crossbow.Crossbow mainly is comprised of bow and crossbow arm two parts, and on bow, the dress string, fill the trigger mechanism of a crossbow on arm, and both coordinate and shoot arrows.The use of crossbow is first string to be pulled open to be buckled on the trigger mechanism of a crossbow, when capturing best launching time, moves " outstanding cutter " (trigger), shoots the arrow from the bow.The trigger mechanism of a crossbow has the earliest just played " time-delay mechanism ", and through updating, the performance of crossbow is become better and better later on, and kind is more and more.Although now crossbow is not used further to weapon, still doted on by fan and collector as a kind of ancient shooting equipment, so to its Improvement also in continuing to carry out.Although the structural change of crossbow, innovations in pattern or design determines that the ejection mechanism of its key property substantially becomes, and namely all drives the crossbow bolt action with the elastic force that bends.The crossbow of prior art remains in following deficiency, at first be subjected to the limitation of tradition " bow " structure, long crossbow bolt boosting slideway can not be provided, the basic tension force in short-term of bow that relies on promotes crossbow bolt, its thrust is restricted, namely can not make crossbow bolt obtain enough impulse forces, range is not good, and slideway is shorter in addition is unfavorable for that also crossbow bolt keeps stable on transmit direction; Secondly, the general armrest arm of the crossbow of prior art is lifted the holder emission, and is inconvenient to aim at, and hit rate is lower; Again, rely on arm that string is pulled open and be buckled on the trigger mechanism of a crossbow, the operation effort, therefore can not bow do too strong, this has also limited the range of crossbow.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of novel portable strong crossbow is provided.It can make the crossbow emissivity stronger, and range is farther; Be convenient to aim at, shoot straight.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of portable strong crossbow, comprise crossbow holder, crossbow frame, handle, cocking mechanism and ejection mechanism, it is characterized in that, described crossbow holder is fixedly connected with the rear end of described crossbow frame, be provided with chute along direction of ejection on described crossbow frame, described handle is fixed on the bottom of described crossbow frame, and described cocking mechanism is located on the crossbow frame of described handle front portion;
Described ejection mechanism comprises symmetrically arranged left and right elastic plate and pantograph;
Described pantograph comprises cuts arm, rear pin shaft hole, front pin shaft hole and left and right foramen alare, and the described arm of cutting intersects the parallelogram sturcutre that constitutes by an active connection each other, is respectively equipped with left and right elastic plate socket on described left and right foramen alare; Described pantograph is connected on described crossbow frame by rear pin shaft hole and rear pin shaft, be provided with front bearing pin in described front pin shaft hole, and be arranged in described chute by front bearing pin, the upper end of described front bearing pin is connected with and pushes away the arrow block, when pantograph was retracted, the lower end of described front bearing pin was connected with described cocking mechanism locking;
The rear end of described left and right elastic plate is fixed on the rear portion of described crossbow frame by the frame clamp, front end inserts respectively in described left and right movable socket.
The invention has the beneficial effects as follows: owing to having adopted the elastic plate structure, can " bow " more used than prior art obtain larger emissivity, owing to adopting the scissors stretching structure, the stroke of elastic plate has been carried out abundant amplification, thereby obtained longer emission slideway, can make like this crossbow bolt obtain the thrust that continues, obtain larger acceleration on slideway, farther to guarantee range; Due to the good guide of slideway, also improved simultaneously the hit rate of crossbow bolt; This structure similar rifle in operation, be punctured into one at non-working condition along the crossbow frame in addition, adds that braces can carry than general crossbow more convenient.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described elastic plate is comprised of the multilayer elastic steel plate.
Adopt the beneficial effect of above-mentioned further scheme to be, can design according to purposes, select the steel plate number of plies assembling elastic plate of suitable dynamics.
Further, described crossbow frame is list structure, and it comprises crossbow frame and lower crossbow frame, and described pantograph is located between described upper crossbow frame and lower crossbow frame.
Adopt the beneficial effect of above-mentioned further scheme to be, adopt upper and lower crossbow shelf structure that pantograph is operated steadily.
Further, described lower crossbow frame is provided with load mechanism and the slideway that loads, and the described mechanism of loading comprises the described pedal that pushes away the rope of arrow block travelling backwards and pull described rope of traction, and described pedal slidably is arranged on the described slideway that loads.
Adopt the beneficial effect of above-mentioned further scheme to be, crossbow design as a kind of powerful degree, it is obviously unable to do what one wishes adopting conventional arm to load, and adopt the mechanism of originally loading to utilize human body weight, pin steps on thorax, can make pantograph obtain enough large restoring force, the complete arrow block that pushes away that loads can automatically reset.
Further, the front end of described lower crossbow frame also is provided with shooting rope mechanism, and described shooting rope mechanism comprises rope support and is arranged on spreader bar on described rope support.
Adopt the beneficial effect of above-mentioned further scheme to be, as a kind of expanding function, the present invention can be used as line-throwing appliance, as being used for the places such as rock-climbing, relief, its cheap property is arranged all.
Further, also be provided with elastic adjusting mechanism between the elastic plate of described left and right.Described elastic adjusting mechanism comprises regulates chute and regulating block, and described adjusting chute is arranged on the chute rear portion of described crossbow frame, and described regulating block is arranged on described adjusting chute, and described regulating block is non-metallic material.
Adopt the beneficial effect of above-mentioned further scheme to be, elastic adjusting mechanism can be regulated the clamping dynamics of elastic plate, and then regulates transmitting range.Adopt non-metallic material can effectively avoid described scissors stretching structure when launching at a high speed and between described regulating block, rigid impact to occur, thereby slow down the emission noise.
Further, described cocking mechanism comprises trigger housing, pulls button, the first block, the second block and tab, described button, tab, the second block pulled is arranged on described trigger housing by corresponding bearing pin respectively, described the first block is fixedly connected with the described button of pulling, described the first block, the second block and tab lock connection mutually, when described pantograph shrank return, the upper end of described tab gear was in the lower end of described front bearing pin.Also be provided with back-moving spring between described tab and trigger housing.
Adopt the beneficial effect of above-mentioned further scheme to be, this cocking mechanism adopts multistage block mechanism, can make finger manipulation power less.
Further, also comprise the crossbow bolt arrow storehouse of being located on described crossbow frame, described crossbow bolt arrow storehouse comprises the cabin body, goes out the arrow groove and pushes away the arrow plate, and the described arrow plate that pushes away is located at describedly go out on the arrow groove and be fixedly connected with the described arrow block that pushes away.
Adopt the beneficial effect of above-mentioned further scheme to be, arrange by arrow storehouse mechanism, can realize automatically sending the arrow function.
Further, described pantograph is provided with multistage.
Adopt the beneficial effect of above-mentioned further scheme to be, according to range size and dynamics size, choose reasonable pantograph progression is so that this portable strong crossbow can adapt to different demands.
Further, also comprise the sighting device that is located on the crossbow frame.
Adopting the beneficial effect of above-mentioned further scheme is to can further improve hit rate by sighting device.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the part assembling parts schematic diagram after the present invention removes ejection mechanism;
Fig. 5 is the pantograph structural representation;
Fig. 6 is pantograph structural representation when opening;
Fig. 7 is the elastic plate structural representation;
Fig. 8 is crossbow bolt arrow chamber structure schematic diagram;
Fig. 9 is the cocking mechanism structural representation;
Figure 10 is the elastic adjusting mechanism structural representation;
Figure 11 is shooting rope mechanism structure schematic diagram;
Figure 12 is the mechanism structure schematic diagram that loads;
Figure 13 is the structural representation of the present invention after pantograph opens.
At Fig. 1 in Figure 13,1, the crossbow holder; 2, frame clamp; 3, elastic plate; 3-1, clamping hole; 4, socket; 5, pantograph; 5-1, cut arm; 5-2, rear pin shaft hole; The 5-3 rear pin shaft; 5-4, front pin shaft hole; 5-5, front bearing pin; 5-6, push away the arrow block; 5-7, foramen alare; 6, handle; 7, cocking mechanism; 7-1, trigger housing; 7-2, pull button; 7-3, the first block; 7-4, the second block; 7-5, tab; 7-6, bearing pin; 7-7, back-moving spring; 8, crossbow bolt arrow storehouse; 8-1, warehouse; 8-2, go out the arrow groove; 8-3, push away the arrow plate; 8-4, crossbow bolt; 9, crossbow frame; 9-1, upper crossbow frame; 9-2; Lower crossbow frame; 9-3, chute; 10, the mechanism of loading; 10-1, rope; 10-2, pedal; 10-3, slideway loads; 11, shooting rope mechanism; The 11-1 rope support; 11-2, spreader bar; 12, elastic adjusting mechanism; 12-1, adjusting chute; 12-2, regulating block; 13, sighting device.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example only is used for explaining the present invention, is not be used to limiting scope of the present invention.
As Fig. 1 to as shown in Figure 12, a kind of portable strong crossbow, comprise crossbow holder 1, crossbow frame 9, handle 6, cocking mechanism 7 and ejection mechanism, it is characterized in that, described crossbow holder 1 is fixedly connected with the rear end of described crossbow frame 9, be provided with chute 9-3 along direction of ejection on described crossbow frame 9, described handle 6 is fixed on the bottom of described crossbow frame 9, and described cocking mechanism 7 is located on the crossbow frame of described handle 6 front portions;
Described ejection mechanism comprises symmetrically arranged left and right elastic plate 3 and pantograph 5;
Described pantograph 5 comprises cuts arm 5-1, rear pin shaft hole 5-2, front pin shaft hole 5-4 and left and right foramen alare 5-7, the described arm 5-1 that cuts intersects the parallelogram sturcutre that constitutes by an active connection each other, is respectively equipped with left and right elastic plate 3 sockets 4 on described left and right foramen alare 5-7; Described pantograph 5 is connected on described crossbow frame 9 by rear pin shaft hole 5-2 and rear pin shaft 5-3, be provided with front bearing pin 5-5 in described front pin shaft hole 5-4, and be arranged in described chute 9-3 by front bearing pin 5-5, the upper end of described front bearing pin 5-5 is connected with and pushes away arrow block 5-6, when pantograph 5 was retracted, the lower end of described front bearing pin 5-5 was connected with described cocking mechanism 7 lockings; Described locking connection refers to utilize cocking mechanism 7 that the front bearing pin 5-5 of described pantograph 5 is stopped, and could remove when only having cocking mechanism 7 to stop.
The rear end of described left and right elastic plate 3 is fixed on the rear portion of described crossbow frame 9 by frame clamp 2, front end inserts respectively in described left and right movable socket 4.Rear end at elastic plate 3 also is provided with clamping hole 3-1, so that more firm fixedly elastic plate 3.
Described elastic plate 3 is comprised of the multilayer elastic steel plate.During concrete enforcement, can make inner layer steel plate the longest, outer length successively decreases successively, forms stair structure.
Described crossbow frame 9 is list structure, and it comprises crossbow frame 9-1 and lower crossbow frame 9-2, and described pantograph 5 is located between described upper crossbow frame 9-1 and lower crossbow frame 9-2.
Described lower crossbow frame 9-2 is provided with load mechanism 10 and the slideway 10-3 that loads, the described mechanism 10 of loading comprises the described pedal 10-2 that pushes away the rope 10-1 of arrow block 5-6 travelling backwards and pull described rope 10-1 of traction, and described pedal 10-2 slidably is arranged on the described slideway 10-3 that loads.
The front end of described lower crossbow frame 9-2 also is provided with shooting rope mechanism 11, and described shooting rope mechanism 11 comprises rope support 11-1 and is arranged on spreader bar 11-2 on described rope support 11-1.
Also be provided with elastic adjusting mechanism 12 between described left and right elastic plate 3.Described elastic adjusting mechanism 12 comprises regulates chute 12-1 and regulating block 12-2, and described adjusting chute 12-1 is arranged on the chute 9-3 rear portion of described crossbow frame 9, and described regulating block 12-2 is arranged on described adjusting chute 12-1.Described regulating block 12-2 is non-metallic material.
Described cocking mechanism 7 comprises trigger housing 7-1, pulls button 7-2, the first block 7-3, the second block 7-4 and tab 7-5, described button 7-2, tab 7-5, the second block 7-4 of pulling is arranged on described trigger housing 7-1 by corresponding bearing pin 7-6 respectively, described the first block 7-3 is fixedly connected with the described button 7-2 that pulls, described the first block 7-3, the second block 7-4 and tab 7-5 lock connection mutually, when described pantograph 5 shrank return, the upper end gear of described tab 7-5 was in the lower end of described front bearing pin 5-5.Also be provided with back-moving spring 7-7 between described tab 7-5 and trigger housing 7-1.
Also comprise the crossbow bolt arrow storehouse 8 of being located on described crossbow frame 9, described crossbow bolt arrow storehouse 8 comprises cabin body 8-1, goes out arrow groove 8-2 and pushes away arrow plate 8-3, describedly pushes away arrow plate 8-3 to be located at the described arrow groove 8-2 of going out upper and be fixedly connected with the described arrow block 5-6 that pushes away.Crossbow bolt 8-4 in a row is contained in described crossbow bolt arrow storehouse 8.
Described pantograph 5 is provided with multistage.
Also comprise the sighting device 13 that is located on crossbow frame 9.
The present invention has purposes more widely, as storehouse 8 dismountings of crossbow bolt arrow, can also drive the thing emission of jettisoninging by pushing away arrow block 5-6, and then use as saving casting device.
The present invention is work like this, when portable strong crossbow is loaded, it is upside down in ground, crossbowman's pin slams pedal 10-2 and exerts oneself downwards, rope 10-1 is pulled push away arrow block 5-6 retraction, and left and right elastic plate 3 is opened, until cocking mechanism 7 lockings push away arrow block 5-6; When needs emissions crossbow bolt 8-4, load onto crossbow bolt arrow storehouse 8, pull and pull button 7-2, crossbow bolt 8-4 is ejected at a high speed; When using as saving casting device, as to the high-altitude shooting rope, crossbow bolt arrow storehouse 8 need to be changed into the projectile storehouse, projectile and the rope termination that is hung in shooting rope mechanism 11 are fixed, cocking button 7-2 launches away projectile by pushing away arrow block 5-6, and drives rope to predetermined altitude.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. portable strong crossbow, comprise crossbow holder (1), crossbow frame (9), handle (6), cocking mechanism (7) and ejection mechanism, it is characterized in that, described crossbow holder (1) is fixedly connected with the rear end of described crossbow frame (9), upward be provided with chute (9-3) along direction of ejection at described crossbow frame (9), described handle (6) is fixed on the bottom of described crossbow frame (9), and described cocking mechanism (7) is located on the anterior crossbow frame (9) of described handle (6);
Described ejection mechanism comprises symmetrically arranged left and right elastic plate (3) and pantograph (5);
Described pantograph (5) comprises cuts arm (5-1), rear pin shaft hole (5-2), front pin shaft hole (5-4) and left and right foramen alare (5-7), the described arm (5-1) of cutting intersects the parallelogram sturcutre that constitutes by an active connection each other, is respectively equipped with left and right elastic plate (3) socket (4) on described left and right foramen alare (5-7); Described pantograph (5) is connected on described crossbow frame (9) by rear pin shaft hole (5-2) and rear pin shaft (5-3), be provided with front bearing pin (5-5) in described front pin shaft hole (5-4), and be arranged in described chute (9-3) by front bearing pin (5-5), the upper end of described front bearing pin (5-5) is connected with and pushes away arrow block (5-6), when pantograph (5) was retracted, the lower end of described front bearing pin (5-5) was connected with described cocking mechanism (7) locking;
The rear end of described left and right elastic plate (3) is fixed on the rear portion of described crossbow frame (9) by frame clamp (2), front end inserts respectively in described left and right movable socket (4).
2. portable strong crossbow according to claim 1, is characterized in that, described elastic plate (3) is comprised of the multilayer elastic steel plate.
3. portable strong crossbow according to claim 1 and 2, it is characterized in that, described crossbow frame (9) is list structure, and it comprises crossbow frame (9-1) and lower crossbow frame (9-2), and described pantograph (5) is located between described upper crossbow frame (9-1) and lower crossbow frame (9-2).
4. portable strong crossbow according to claim 3, it is characterized in that, described lower crossbow frame (9-2) is provided with the mechanism of loading (10) and the slideway that loads (10-3), the described mechanism of loading (10) comprises the described pedal (10-2) that pushes away the rope (10-1) of arrow block (5-6) travelling backwards and pull described rope (10-1) of traction, and described pedal (10-2) slidably is arranged on the described slideway that loads (10-3).
5. according to claim 1,2 or 4 described portable strong crossbows, it is characterized in that, the front end of described lower crossbow frame (9-2) also is provided with shooting rope mechanism (11), and described shooting rope mechanism (11) comprises rope support (11-1) and is arranged on spreader bar (11-2) on described rope support (11-1).
6. according to claim 1,2 or 4 described portable strong crossbows, it is characterized in that, also be provided with elastic adjusting mechanism (12) between described left and right elastic plate (3), described elastic adjusting mechanism (12) comprises regulates chute (12-1) and regulating block (12-2), described adjusting chute (12-1) is arranged on chute (9-3) rear portion of described crossbow frame (9), described regulating block (12-2) is arranged on described adjusting chute (12-1), and described regulating block (12-2) is non-metallic material.
7. portable strong crossbow according to claim 1, it is characterized in that, described cocking mechanism (7) comprises trigger housing (7-1), pull button (7-2), the first block (7-3), the second block (7-4) and tab (7-5), the described button (7-2) of pulling, tab (7-5), the second block (7-4) is arranged on described trigger housing (7-1) by corresponding bearing pin (7-6) respectively, described the first block (7-3) is decided to be connected with the described button solid (7-2) of pulling, described the first block (7-3), the second block (7-4) and tab (7-5) locking mutually connect, when described pantograph (5) shrinks return, the upper end gear of described tab (7-5) is in the lower end of described front bearing pin (5-5), also be provided with back-moving spring (7-7) between described tab (7-5) and trigger housing.
8. portable strong crossbow according to claim 1, it is characterized in that, also comprise the crossbow bolt arrow storehouse (8) of being located on described crossbow frame (9), described crossbow bolt arrow storehouse (8) comprises cabin body (8-1), goes out arrow groove (8-2) and pushes away arrow plate (8-3), and the described arrow plate (8-3) that pushes away is located at that described to go out arrow groove (8-2) upper and be fixedly connected with the described arrow block (5-6) that pushes away.
9. portable strong crossbow according to claim 1, is characterized in that, described pantograph (5) is provided with multistage.
10. portable strong crossbow according to claim 1, is characterized in that, also comprises the sighting device (13) that is located on crossbow frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028394.7A CN103115524B (en) | 2013-01-25 | 2013-01-25 | Portable strong crossbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028394.7A CN103115524B (en) | 2013-01-25 | 2013-01-25 | Portable strong crossbow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103115524A true CN103115524A (en) | 2013-05-22 |
| CN103115524B CN103115524B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310028394.7A Expired - Fee Related CN103115524B (en) | 2013-01-25 | 2013-01-25 | Portable strong crossbow |
Country Status (1)
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| CN (1) | CN103115524B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319684A (en) * | 2014-10-22 | 2015-01-28 | 国家电网公司 | Line throwing device special for power transmission |
| CN107144169A (en) * | 2017-06-13 | 2017-09-08 | 青岛多德多信息技术有限公司 | A kind of grasp that can be turned to |
| CN107144168A (en) * | 2017-06-13 | 2017-09-08 | 泉州经济技术开发区速捷体育用品有限公司 | A kind of crossbow structure for launching field climbing rope |
| CN107144167A (en) * | 2017-06-13 | 2017-09-08 | 苏州七巧板日用品科技有限公司 | A kind of crossbow structure for launching field climbing rope |
| CN107144180A (en) * | 2017-06-13 | 2017-09-08 | 苏州七巧板日用品科技有限公司 | A kind of steering grasp for being capable of measurement distance |
| CN107144179A (en) * | 2017-06-13 | 2017-09-08 | 青岛多德多信息技术有限公司 | One kind can launch field climbing rope |
| CN107167035A (en) * | 2017-06-13 | 2017-09-15 | 苏州七巧板日用品科技有限公司 | It is a kind of to launch the crossbow of climbing device |
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| US4662345A (en) * | 1984-10-15 | 1987-05-05 | Floyd Stephens | Semi-automatic crossbow apparatus and method |
| CN1095473A (en) * | 1993-05-18 | 1994-11-23 | 游侯雪 | The crossbow as shooting apparatus of improvement |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319684A (en) * | 2014-10-22 | 2015-01-28 | 国家电网公司 | Line throwing device special for power transmission |
| CN104319684B (en) * | 2014-10-22 | 2017-11-17 | 国家电网公司 | The special line-throwing appliance of one kind transmission of electricity |
| CN107144169A (en) * | 2017-06-13 | 2017-09-08 | 青岛多德多信息技术有限公司 | A kind of grasp that can be turned to |
| CN107144168A (en) * | 2017-06-13 | 2017-09-08 | 泉州经济技术开发区速捷体育用品有限公司 | A kind of crossbow structure for launching field climbing rope |
| CN107144167A (en) * | 2017-06-13 | 2017-09-08 | 苏州七巧板日用品科技有限公司 | A kind of crossbow structure for launching field climbing rope |
| CN107144180A (en) * | 2017-06-13 | 2017-09-08 | 苏州七巧板日用品科技有限公司 | A kind of steering grasp for being capable of measurement distance |
| CN107144179A (en) * | 2017-06-13 | 2017-09-08 | 青岛多德多信息技术有限公司 | One kind can launch field climbing rope |
| CN107167035A (en) * | 2017-06-13 | 2017-09-15 | 苏州七巧板日用品科技有限公司 | It is a kind of to launch the crossbow of climbing device |
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| Publication number | Publication date |
|---|---|
| CN103115524B (en) | 2015-07-08 |
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