CN1439559A - Push trolley - Google Patents
Push trolley Download PDFInfo
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- CN1439559A CN1439559A CN 02105073 CN02105073A CN1439559A CN 1439559 A CN1439559 A CN 1439559A CN 02105073 CN02105073 CN 02105073 CN 02105073 A CN02105073 A CN 02105073A CN 1439559 A CN1439559 A CN 1439559A
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- vehicle wheel
- pair
- luggage carrier
- wheel frame
- transport cart
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Abstract
A manual push type porter is composed of a pair of external skeletons, a curve handle, a pair of telescopic rods, an upper fixed frame, a lower fixed frame, a goods carrier, a pair of wheels and their holders, and a pedal lever unit. Its advantages are high stability, saving labour, and the lift of the goods in inclined mode.
Description
Technical field
The present invention relates to a kind of hand pulling type transport cart.
Background technology
General sell on the market variously can be available for users to carry very easily above-mentioned dead weight cargo in order to deliver the hand pulling type transport cart of any article, packing chest, packing chest is walked with laborsaving.
Yet general hand push transport trolley only can be carried lighter baggage container of some weight or object, for general factory, the hypermarket ... Deng the occasion that often needs high dead weight cargo of delivery and object, it is available then not have suitably easy transport trolley, though the inventor once designed one " hand barrow (HANDCART) ", in on August 7th, 1997 to the U. S. application patent, and win the 5th on November 16th, 1999,984, No. 327 patent certificates, though this case hand barrow can carry than parcel and object, and when not in use, also can easily hand barrow be shunk folding in order to collection, very convenient.Yet when launching this hand barrow when desiring carrying and walking than parcel, regular meeting is difficult to exert all one's strength because of its weight is very heavy hand barrow is tilted, so contained goods is walked because of can't liftoffly being difficult to propelling, this is the shortcoming of this hand barrow carrying during than parcel.In addition, when hand barrow carrying weight advances when walking in broken terrain, overall weight can fall within two wheels unequally and bear, and two wheels is produced rock and may bend, and this real this hand barrow uses not attain and improves and remain to be improved part.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of hand pulling type transport cart, its decapacitation delivers various weight haulings for the people labour-saving, and can easily hand barrow be shunk folding and be beneficial to outside collection deposits, can also exert all one's strength easily and tilted hand barrow and institute's cargo liftoff for people, also two wheels can be fixed powerfully, and can not make two wheels walk in concavo-convex ground the phenomenon of rocking and bending is not arranged, more reach perfection with the use that makes hand push transport trolley of the present invention, this is a purpose of the present invention.
In order to achieve the above object, the invention provides a kind of hand pulling type transport cart, it mainly is by fixed frame on a pair of outer skeleton, a crooked handle, a pair of expansion bracket,, once fixed frame, a luggage carrier, a pair of vehicle wheel frame and a treadle device are combined; Wherein, described a pair of outer skeleton, its top is fixedly arranged in the two side frame holes of following upward fixed frame, and then insert in the axis hole of following vehicle wheel frame the bottom; In addition, the pipe inside of skeleton bottom is provided with a movable rod member and a compression spring outside this, and outside this pipe outside of skeleton bottom, then be arranged with a return spring in addition; And described a pair of expansion bracket plugs by a pair of inner sleeve and a pair of outer tube and forms, and the top of this two outer tube and bottom respectively by following go up fixed frame and down fixed frame coat inlay fixing; And the described fixed frame of going up, it is provided with one can be compressed the action button that spring is replaced, and on these action button two sidewalls is offer two oblique-shaped holes, can give ccontaining for two set lugs of trace one end by means of it; And described luggage carrier two side ends are equipped with by two and connect that pedestal institute frames enclose and the caulking groove that forms; And described a pair of vehicle wheel frame, it is provided with the axis hole that can be planted for the bottom of described outer skeleton, and other all convexes with a block on the exine shells of this vehicle wheel frame; Described crooked handle, it is fixedly arranged on the top of the inner sleeve of described a pair of expansion bracket, and the appearance of this bending handle is and extends upward and the design of curved incline backward; And described down fixed frame, be respectively to be formed with a recess at its two side bottom, by this two recess can across ground be provided with one can upper and lower activity following treadle device; And described luggage carrier, its two side end is equipped with two and connects pedestal, wherein, be positioned at the connection pedestal in the outside, at its outside lateral surface is to be arranged with to be formed with a rectangle inner fovea part, borrow the design of its indent and just can inlay densely, and by the screwing togather an of axostylus axostyle and a nut for a pulling assembly of establishing in addition, and with this connection pedestal of pulling element and the outside mutually spiral shell be solidified as a whole and do not come off; And described a pair of vehicle wheel frame, all convex with a semicircle cartridge clip in its axial region, can be nested with for two cantilevers of following treadle device by means of this semicircle cartridge clip; And described treadle device, it is arranged in the formed recess of two side bottoms of described fixed frame down across ground, and two ends of this treadle device are to reach out to respectively convex with a cantilever, borrow this two cantilever and just can overlap and insert in the semicircle cartridge clip that described two vehicle wheel frame axial regions are convexly equipped with, treadle device cover is fixed on two vehicle wheel frames; Formation by described hand pulling type transport cart, its decapacitation delivers outside the various weight haulings for the people labour-saving, more can reach and to exert all one's strength easily and hand barrow and the institute's cargo liftoff purpose that tilted, and can two wheels are powerful fixing, make two wheels walk in concavo-convex ground and unlikely generation swag phenomenon.
In other words, hand pulling type transport cart of the present invention, it comprises by fixed frame on a pair of outer skeleton, a crooked handle, a pair of expansion bracket,, once fixed frame, a luggage carrier, a pair of vehicle wheel frame and a treadle device are made up; And the present invention mainly has following characteristics, and wherein, above-mentioned crooked handle is and extends upward and the design of curved incline backward; Two side bottoms that reach above-mentioned following fixed frame are respectively to be formed with a recess, can stride and establish a treadle device by means of this two recess; And above-mentioned luggage carrier is set in the connection pedestal in the outside, is arranged with at its outside lateral surface to be formed with a rectangle inner fovea part, borrows the design of its indent, and just can supply an element of establishing in addition of pulling to inlay densely; Above-mentioned vehicle wheel frame all convexes with a semicircle cartridge clip at its axial region; And two ends of above-mentioned treadle device respectively reach out to convex with a cantilever.
By above-mentioned formation, its decapacitation delivers outside the various weight haulings effortlessly for people, can also reach and exert all one's strength easily and hand barrow and the institute cargo liftoff purpose that tilts, and can two wheels are powerful fixing, make two wheels walk in the unlikely generation swag phenomenon in concavo-convex ground.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples:
The transport trolley of the present invention of Fig. 1 and Fig. 2 front upon deployment and the stereoscopic figure at the back side;
To be transport trolley of the present invention shrinking front when folding and the stereoscopic figure at the back side for Fig. 3 and Fig. 4;
Fig. 5 is the action signal and the cut-away view of fixed frame in the present invention;
Fig. 6 and Fig. 7 are the exploded drawingss of the outer skeleton of the present invention, luggage carrier and vehicle wheel frame;
Fig. 8 and Fig. 9 are luggage carrier and the cut-away view of vehicle wheel frame when launching and fold;
Figure 10 and Figure 11 are the cut-away views that the wall shell of caulking groove of the present invention and movable rod member can corresponding another alternate embodiment;
Figure 12 and Figure 13 are the exploded drawingss of luggage carrier of the present invention and another embodiment of vehicle wheel frame;
Figure 14 and Figure 15 are that transport trolley of the present invention is not installed the expansion of treadle device and the stereoscopic figure when folding.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, hand pulling type transport cart of the present invention, it mainly comprises by fixed frame 40 on a pair of outer skeleton 10, the one crooked handle 20, a pair of expansion bracket 30,, once fixed frame 50, a luggage carrier 60, a pair of vehicle wheel frame 70 and a treadle device 80 members are combined.
As Fig. 1, Fig. 5, Fig. 6, Fig. 7 and above-mentioned two outer skeletons 10 shown in Figure 8, its top is fixedly arranged in the two side frame hole A of fixed frame 40, the bottom then is to insert in the axis hole 71 of vehicle wheel frame 70, and pass through the fixed orifice 11 of skeleton 10 bottoms with an axostylus axostyle 61A who is provided with screw thread, after relending a nut 61B and this axostylus axostyle 61A and screwing togather, and this skeleton 10 is journaled into caulking groove 62 inside of luggage carrier 60 movably, and skeleton of the present invention, vehicle wheel frame and luggage carrier are formed as one.
Reach upward fixed frame 40 as Fig. 1 to a pair of expansion bracket shown in Figure 5 30, it designs also as No. 5984327 " hand barrow (HANDCART) " similar operating principle of US Patent.This expansion bracket 30 is plugged by a pair of inner sleeve 31 and a pair of outer tube 32 to be formed, so that inner sleeve 31 can be made upper and lower expanding-contracting action in the pipe inside of sleeve pipe 32.This outer tube 32 by last fixed frame 40 and down fixed frame 50 coated inlay fixing, these two fixed frames 40,50 then fix with the top ends and the middle part of two outer skeletons 10 respectively, are combined as a whole so that two outer tubes 32 can fix with two fixed frames and outer skeleton.
Above-mentioned last fixed frame 40, it is provided with one can be compressed the action button 42 that spring 41 is replaced, and on these action button 42 2 sidewalls is offer two oblique-shaped holes 44, can give ccontaining for two set lugs 45 of trace 43 1 ends by means of it.When downward pressing operation button 42, oblique-shaped hole 44 will affect lug 45 to move toward interior along its inclined-plane, and make the set pin 46 of trace 43 other ends can break away from the jack 33 that inner sleeve 31 and outer tube 32 are offered respectively, make inner sleeve 31 be mobilizable state, so the action that this inner sleeve 31 can freely be done stretching or shrink in the inside of outer tube 32.
As Fig. 1, Fig. 6, Fig. 7 and luggage carrier 60 and a pair of vehicle wheel frame 70 shown in Figure 8.This luggage carrier 60 is tabular, its two side end be equipped with by two connect pedestal 63A, 63B institute frame encloses and the caulking groove 62 that forms, this two caulking groove can give ccontaining for the bottom of the present invention's two outer skeletons 10, and borrow an axostylus axostyle 61A and nut 61B and this two outer skeleton can be journaled in two caulking grooves 62, and outer skeleton and luggage carrier are assembled into one.Above-mentioned two connect pedestal, wherein, be positioned at the connection pedestal 63B in the outside, at its outside lateral surface is to be arranged with to be formed with a rectangle inner fovea part 63C, borrow the design of its indent and just can supply an element of establishing in addition 64 of pulling to inlay densely, and screwing togather by above-mentioned axostylus axostyle 61A and nut 61B, and with this pull element 64 can with the connection pedestal 63B in the outside mutually spiral shell be solidified as a whole and do not come off, and when this is pulled element 64 fracture damage is arranged, also can be easily with its dismounting and the new product that changes the outfit is very convenient.
The above-mentioned element 64 of pulling, in its top ends is to reach out to be convexly equipped with form one and pull arm 64A, it just can be replaced mutually with the block 72 that is convexly equipped with on vehicle wheel frame 70 exine shells and be corresponding, when as shown in Figure 1 luggage carrier 60 being launched (moving down) or being given folding (moving up) as Fig. 3, borrow this to pull mutual the replacing correspondence and pull of arm 64A and block 72, activation makes and drives vehicle wheel frame 70 and also do linkedly simultaneously to launch outward or the inwardly action of folding.
As Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, the present invention is the pipe inside of skeleton 10 bottoms outside, be to be provided with a movable rod member 12, and be arranged with a compression spring 13 in the upper end of this activity rod member 12, the pipe outside of skeleton 10 bottoms then is arranged with a return spring 14 in addition outside.When 10 bottoms of skeleton outside the present invention were inserted in the axis hole 71 of vehicle wheel frame 70, an end of this return spring 14 was planted and is fixed in the suitable wall shell hole (not shown) of outer skeleton, and the other end then is fixed in the interior cinclides 73 of vehicle wheel frame; When operation luggage carrier 60 little by little during horizontal development outward, vehicle wheel frame 70 also synchronously moves toward left and right directions, this moment return spring 14 also thereby be forced to uphold and produce torsion, when being unfolded fully as Fig. 1, Fig. 6 and vehicle wheel frame shown in Figure 8 60,60 2 of luggage carriers connect pedestal 63A, 63B top rearward position the fixed stop 65 that is convexly equipped with to upper process, will holding go into hold down groove 74 inside that vehicle wheel frame 70 base end wall shells are arranged with, except that make vehicle wheel frame be fixing, the support when also can be used as simultaneously the carrying weight; And when transport trolley desire contraction of the present invention is folding, only need operation luggage carrier 60 up to move, the depression constraint of the hold down groove 74 that the fixed stop 65 separating wheel framves 70 that above-mentioned luggage carrier 60 is convexly equipped with are arranged with, above-mentioned return spring 14 will be subjected to the effect of itself spring restoring force this moment, and traction belt motor-car wheel carrier 70 also produces the folding action of contraction simultaneously, to link the purpose of folding.
As Fig. 6, Fig. 7, Fig. 8 and luggage carrier shown in Figure 9, the caulking groove 62 that 60 2 of this luggage carriers connect pedestal 63A, 63B institute frame encloses and form, on the wall shell at its bottom and rear side position, all dig to establish and be formed with a concavity chute 66, it can be replaced holding for the inner set movable rod member 12 of outer skeleton 10 bottoms pipe, and reaches the function of location.Because of the curved sliding surface of the wall of this caulking groove 62, and the bottom of movable rod member 12 also forms the slick and sly conical surface 15 that can be complementary with concavity chute 66, so this activity rod member can be in doing smooth slippage and conversion on the wall of caulking groove 62 and between two concavity chutes 66, so that can fold smoothly or launch between luggage carrier 60 and the outer skeleton 10, and reach the function and the effect of mutual card fastening position.
As shown in the figure, the concavity chute 66 of establishing formation that digs on above-mentioned caulking groove 62 bottoms and the rear side position wall shell, it can be replaced holding for the movable rod member 12 of outer skeleton 10, make this activity rod member reach the effect of card fastening position simultaneously in reaching slippage and conversion smoothly between two concavity chutes 66 on the wall of caulking groove 62; Yet in intelligible various writing space shape, also there is other possible embodiments can reach above-mentioned identical purpose and effect in addition, Figure 10 and shown in Figure 11 for example, can be on above-mentioned caulking groove 62 bottoms and rear side position wall shell, saliently be convexly equipped with respectively at transverse direction and be formed with a microscler projection 66A, the bottom of movable rod member 12 then in the elongate recesses 15A that is complementary of this microscler projection 66A of concave relief Cheng Keyu, to borrow the corresponding relation of this microscler projection 66A and elongate recesses 15A, movable rod member 12 can be blocked on the microscler projection 66A that fastening is positioned at caulking groove 62.Similarly, above-mentioned corresponding relation also can various variation and hyperplasia, for example the microscler projection 66A of above-mentioned caulking groove 62 can be changed to " inclined plane groove " of indent formula, the bottom of movable rod member 12 is then changed to " the oblique conical surface " of convex type, this all can reach the corresponding relation of mutual card fastening position, really these examples are real too numerous to enumerate, but it is those skilled in the art and is easy to know and changes, and all belongs to the same creation category on the spatial form of the present invention.
Another embodiment as Figure 12 and luggage carrier of the present invention 60 shown in Figure 13 and a pair of vehicle wheel frame 70, that is, at two set connection pedestals of two side ends of this luggage carrier 60, wherein, be positioned at the connection pedestal 67 in the outside, it has been convexly equipped with moulding in its top ends with directly extending upward and has pulled piece 67A, borrow it can replace mutually with the block 72 that is convexly equipped with on vehicle wheel frame 70 exine shells and corresponding, similarly, borrow this to pull mutual the replacing correspondence and pull of piece 67A and block 72, also can make to drive vehicle wheel frame 70 and also do linkedly simultaneously to launch outward, or the inwardly action of folding.In addition, rearward position place above 60 2 of this luggage carriers connect pedestal 63A, 63B, concave relief Cheng Youyi blocked socket 68 in being, and in the base end wall shell position of above-mentioned vehicle wheel frame 70, then relatively protrude downwards and be formed with a holding piece 76, when vehicle wheel frame 60 was unfolded, the holding piece 76 of vehicle wheel frame 70 bottoms can be gone in the blocked socket 68 of above-mentioned luggage carrier 60 in holdings, except can make vehicle wheel frame be fixing, the support when also can be used as simultaneously the carrying weight.
As the following fixed frame 50 of Fig. 1, offer a rectangular opening 51 and a plurality of narrow groove 52 respectively in its two lateral plates, rectangular opening 51 can be carried for taking of people's hand, the usefulness that narrow groove then can supply a fastening straps to inlay the clamping goods.
As shown in Figures 1 and 2 and following fixed frame 50, at its two side bottom is respectively to be formed with a recess 53, can be provided with one across ground by this two recess 53 can go up, following movable treadle device 80 of the present invention, two ends of this treadle device 80 are to reach out to respectively be convexly equipped with a cantilever 81, with when treadle device 80 of the present invention is down pulled it as shown in Figure 2, borrow this two cantilever 81 and just can overlap insert about in the semicircle cartridge clip 75 that is convexly equipped with of two vehicle wheel frames, 70 axial regions, treadle device 80 can be overlapped be fixed on two vehicle wheel frames 70, when transport trolley delivery parcel, people can ride this treadle device 80 and exert all one's strength easily and tilted transport trolley and institute's cargo liftoff, and sharp transport trolley push-and-pull walking, solid and arrive close to two vehicle wheel frames 70 are locked in addition and because of treadle device 80 covers, and can not make two vehicle wheel frames 70 have the phenomenon of rocking and bending because of walking in concavo-convex ground, very practical.
As Figure 14 and another embodiment of hand pulling type transport cart of the present invention shown in Figure 15, this kind transport trolley also possesses fixed frame 40 on a pair of outer skeleton 10, the one crooked handle 20, a pair of expansion bracket 30,, members such as fixed frame 50, a luggage carrier 60 and a pair of vehicle wheel frame 70 once; Its characteristic is to have simplified a treadle device, yet the material that hand barrow of the present invention adopted is tough and tensile, so also can be competent at and very handy the load of high loading.
In sum, a kind of hand pulling type transport cart of the present invention, it is not only novel, and it also can provide the user to operate easily and use, and it really has progressive and creativeness, and this meets the requirement of patent of invention, specially proposes patent application.
Claims (13)
1. hand pulling type transport cart, it mainly is by fixed frame on a pair of outer skeleton, a crooked handle, a pair of expansion bracket,, once fixed frame, a luggage carrier, a pair of vehicle wheel frame and a treadle device are combined; Wherein,
Described a pair of outer skeleton, its top are fixedly arranged in the two side frame holes of following upward fixed frame, and then insert in the axis hole of following vehicle wheel frame the bottom; In addition, the pipe inside of skeleton bottom is provided with a movable rod member and a compression spring outside this, and outside this pipe outside of skeleton bottom, then be arranged with a return spring in addition; And
Described a pair of expansion bracket is plugged by a pair of inner sleeve and a pair of outer tube to be formed, and the top of this two outer tube and bottom respectively by following go up fixed frame and down fixed frame coat inlay fixing; And
The described fixed frame of going up, it is provided with one can be compressed the action button that spring is replaced, and on these action button two sidewalls is offer two oblique-shaped holes, can give ccontaining for two set lugs of trace one end by means of it; And
Described luggage carrier two side ends are equipped with by two and connect that pedestal institute frames enclose and the caulking groove that forms; And
Described a pair of vehicle wheel frame, it is provided with the axis hole that can be planted for the bottom of described outer skeleton, and other all convexes with a block (72) on the exine shells of this vehicle wheel frame;
It is characterized in that:
Described crooked handle, it is fixedly arranged on the top of the inner sleeve of described a pair of expansion bracket, and the appearance of this bending handle is and extends upward and the design of curved incline backward; And
Described down fixed frame is respectively to be formed with a recess at its two side bottom, by this two recess can across ground be provided with one can upper and lower activity following treadle device; And
Described luggage carrier, its two side end is equipped with two and connects pedestal, wherein, be positioned at the connection pedestal (63B) in the outside, at its outside lateral surface is to be arranged with to be formed with a rectangle inner fovea part, borrow the design of its indent and just can inlay densely, and by the screwing togather an of axostylus axostyle and a nut for a pulling assembly of establishing in addition, and with this connection pedestal (63B) of pulling element and the outside mutually spiral shell be solidified as a whole and do not come off; And
Described a pair of vehicle wheel frame all convexes with a semicircle cartridge clip (75) in its axial region, can be nested with for two cantilevers of following treadle device by means of this semicircle cartridge clip; And
Described treadle device, it is arranged in the formed recess of two side bottoms of described fixed frame down across ground, and two ends of this treadle device are to reach out to respectively convex with a cantilever, borrow this two cantilever and just can overlap and insert in the semicircle cartridge clip (75) that described two vehicle wheel frame axial regions are convexly equipped with, treadle device cover is fixed on two vehicle wheel frames.
2. hand pulling type transport cart as claimed in claim 1, it is characterized in that: described outer skeleton, insert in the axis hole of vehicle wheel frame its bottom, and pass through this set fixed orifice in outer skeleton bottom with an axostylus axostyle that is provided with screw thread, after relending a nut and this axostylus axostyle and screwing togather, and will be somebody's turn to do the caulking groove inside that outer skeleton is journaled into luggage carrier movably, and described outer skeleton, vehicle wheel frame and luggage carrier are formed as one.
3. hand pulling type transport cart as claimed in claim 1, it is characterized in that: described luggage carrier is established in addition pulls element, in its top ends is to reach out to be convexly equipped with form one and pull arm, and this pulls arm is just can replace mutually with the block that is convexly equipped with on the described vehicle wheel frame exine shells and corresponding.
4. hand pulling type transport cart as claimed in claim 1, it is characterized in that: two connection pedestals that two side ends of described luggage carrier are set, it is positioned at the connection pedestal in the outside, can change in addition and be designed to: that is can be convexly equipped with in the top ends of this connection pedestal with directly extending upward and to form one and pull piece (67a), borrow this to pull piece and just can replace mutually and corresponding with the block that is convexly equipped with on the described vehicle wheel frame exine shells.
5. hand pulling type transport cart as claimed in claim 1, it is characterized in that: two connection pedestals that described luggage carrier two side ends are set, the position of rear side above it, be to convex with a fixed stop (65) to upper process, but hold down groove (74) inside that vehicle wheel frame base end wall shell is arranged with is gone in this fixed stop holding, except can make vehicle wheel frame be fixing, the support when also can be used as simultaneously the carrying weight.
6. hand pulling type transport cart as claimed in claim 1, it is characterized in that: two connection pedestals that described luggage carrier two side ends are set, the position of rear side above it, can change in addition and be designed to: that is these two connect pedestals above the position of rear side, can buy car in installments the holding piece (76) that protrudes in wheel carrier base end wall shell place and form of concave relief Cheng Youyi blocked socket (68) in being, this blocked socket gives holding and fixes.
7. hand pulling type transport cart as claimed in claim 1, it is characterized in that: the caulking groove that described luggage carrier is set, on its bottom and the wall shell at rear side position, all dig to establish and be formed with a concavity chute (66), it just can be replaced holding for the inner set movable rod member of outer skeleton bottom pipe.
8. hand pulling type transport cart as claimed in claim 7 is characterized in that: the set movable rod member in dermoskeleton frame bottom that is set forth in, its bottom are to form the slick and sly conical surface (15) that can be complementary with described concavity chute.
9. hand pulling type transport cart as claimed in claim 1, it is characterized in that: the caulking groove that described luggage carrier is set, on the wall shell at its bottom and rear side position, also can change in addition to be designed to saliently be convexly equipped with and be formed with a microscler projection (66A), borrow this microscler projection and can be replaced holding for the inner set movable rod member of outer skeleton bottom pipe respectively at transverse direction.
10. hand pulling type transport cart as claimed in claim 9, it is characterized in that: the set movable rod member in dermoskeleton frame bottom that is set forth in, also can change in addition and be designed to, the bottom of this activity rod member be in concave relief become the elongate recesses (15A) that can be complementary with described microscler projection.
11. hand pulling type transport cart as claimed in claim 1, it is characterized in that: the caulking groove that described luggage carrier is set, on the wall shell at its bottom and rear side position, also can change the inclined plane groove that is designed to the indent formula in addition, borrow it to be designed to the movable rod member that the bottom is the oblique conical surface of convex type and to be complementary corresponding with changing.
12. hand pulling type transport cart as claimed in claim 1 is characterized in that: described down fixed frame, thereon, two lateral plates offer a rectangular opening and a plurality of narrow groove respectively down.
13. hand pulling type transport cart as claimed in claim 1, it is characterized in that: its another embodiment also possesses fixed frame on two external skeletons, a crooked handle, a pair of expansion bracket,, members such as fixed frame, a luggage carrier and a pair of vehicle wheel frame once for this kind transport trolley, but its characteristic has been to simplify original treadle device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105073 CN1439559A (en) | 2002-02-20 | 2002-02-20 | Push trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105073 CN1439559A (en) | 2002-02-20 | 2002-02-20 | Push trolley |
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| Publication Number | Publication Date |
|---|---|
| CN1439559A true CN1439559A (en) | 2003-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02105073 Pending CN1439559A (en) | 2002-02-20 | 2002-02-20 | Push trolley |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013118A (en) * | 2010-11-22 | 2011-04-13 | 上海市城市建设设计研究院 | Solid road toll system |
| CN102717296A (en) * | 2012-06-27 | 2012-10-10 | 大连四达高技术发展有限公司 | Six-point floating system |
| CN104606813A (en) * | 2015-02-06 | 2015-05-13 | 余姚天博消防设备有限公司 | Novel fire extinguisher |
-
2002
- 2002-02-20 CN CN 02105073 patent/CN1439559A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013118A (en) * | 2010-11-22 | 2011-04-13 | 上海市城市建设设计研究院 | Solid road toll system |
| CN102717296A (en) * | 2012-06-27 | 2012-10-10 | 大连四达高技术发展有限公司 | Six-point floating system |
| CN102717296B (en) * | 2012-06-27 | 2015-07-22 | 大连四达高技术发展有限公司 | Six-point floating system |
| CN104606813A (en) * | 2015-02-06 | 2015-05-13 | 余姚天博消防设备有限公司 | Novel fire extinguisher |
| CN104606813B (en) * | 2015-02-06 | 2018-02-23 | 余姚天博消防设备有限公司 | A kind of fire extinguisher |
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