CN203793376U - Foldable trolley - Google Patents
Foldable trolley Download PDFInfo
- Publication number
- CN203793376U CN203793376U CN201320794265.4U CN201320794265U CN203793376U CN 203793376 U CN203793376 U CN 203793376U CN 201320794265 U CN201320794265 U CN 201320794265U CN 203793376 U CN203793376 U CN 203793376U
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- China
- Prior art keywords
- hinged
- storage bag
- pull bar
- body frame
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Abstract
The utility model relates to a foldable trolley which comprises a foldable trolley body frame and a storage bag, wherein the trolley body frame comprises a lateral support and a supporting underframe, the lateral support is composed of two cross connecting rods, the centers of the connecting rods are hinged together, and the supporting underframe comprises a supporting bottom rod and a center hinging base. The foldable trolley is characterized in that the lateral support comprises a multi-level connecting rod structure composed of at least two pairs of correspondingly hinged connecting rods, the ends of corresponding connecting rods are hinged to form a bag body supporting end, a fixed bag opening is formed downwards in the storage bag, and a lifting part which corresponds to the center hinging base in position and is used for folding the trolley body in a lifting mode is arranged on the bottom of the inner side of the storage bag. According to the foldable trolley, the whole trolley can be folded conveniently and effortlessly, the strength of the edge of the opening of the storage bag is improved, the trolley can be pushed and pulled by different users freely and conveniently, the structure is stable, and more loads can be borne.
Description
Technical field
The utility model relates to a kind of hand barrow, relates in particular to a kind of portable and collapsible formula hand barrow for transporting cargo.
Background technology
Hand barrow is a kind of dolly that facilitates a small amount of goods of short-distance transport, in daily life, and particularly leisure, tourism, shopping, deliver goods, a kind of instrument of commonly using in even going on business.The hand barrow of existing folding portable type, ubiquity folding convenient not, and after folding, volume is still very large, can not realize maximized folding, and is not easy to deposit and carry.
For above problem, number of patent application is that 01811289.7 patent discloses following technical scheme, can select folding framework for one, when described framework is in the time opening and use state, can hold storage bag, form an open-topped rectangle car body, framework comprises side and chassis array, the side that framework is corresponding comprises two connecting rods that center is hinged, interlinking lever end corresponding to each side passes through a sleeve pipe, pin and fin are realized rotatable connection, bottom array, chassis array comprises that multiple strut bars and one are positioned at the load-supporting part of chassis array center substantially, multiple strut bars one end portion is articulated with respectively load-supporting part, the other end is movably hinged with the bottom of side respective link respectively, in folding process, the connecting rod that each side is corresponding and strut bar inwardly shrink centered by load-supporting part, in the process of shrinking, elevator is moving in vertical direction for load-supporting part, realize the connection of each side and fold, the folding mode of prior art is generally by each side ecto-entad application of force, each side is drawn close to the load-supporting part of center, and such folding mode is relatively required great effort, and is inconvenient to fold, because vehicle body frame is mainly made up of four sides, the connection pole that is connected in the upper and lower pin jointed end in side is not set, can not be applicable to the support of high strength and weight,
Moreover its storage bag of above patent arranges by similar die mechanism in its bottom corner, be used for storage bag bottom to be fixed together with framework, the top of storage bag edge and framework is carried out fastening, realizes fixing of storage bag; Because storage bag is generally the soft and elastomeric material manufacturing such as cloth or plastics, only be fixed on four jiaos of ends of rectangular frame port, storage bag edge between corresponding both ends is through using all the time in the state of suspending for a long time, owing to there is no support component, its undercapacity, is easy to occur the damage of storage bag;
Last above patent is because its cart handle that limits of the framework foldable structure of hand barrow is to be for to be obliquely installed or to be connected in the two ends that framework is corresponding and to be parallel to framework port under integral type and use state with connecting rod, such handle is arranged on has certain use limitation in practical operation, can not meet can not height people use, be more conducive to go-cart simultaneously, and cannot realize the action of pulling a cart.
Utility model content
For the deficiency existing in background technology, the utility model object is to provide a kind of foldable hand cart, for realize overall hand barrow convenient and strength-saving fold, strengthen the sack edge strength of storage bag and the engagement process storage bag of vehicle body frame and be conveniently applicable to different use crowds go-cart carried out to push-and-pull freely operate, there is Stability Analysis of Structures simultaneously, can adapt to more load-carrying.
For achieving the above object, the utility model provides following technical scheme: a kind of foldable hand cart, comprise collapsible and open-topped rectangle vehicle body frame and be placed in the storage bag in vehicle body frame, vehicle body frame comprises four side supports and corresponding support underframe, and the bottom of vehicle body frame arranges corresponding wheel; Side supports is intersected by two and the hinged connecting rod in center forms, and support underframe comprises corresponding four support bottom bars and center hinge joint chair; It is characterized in that: two side supports of described at least one pair of symmetry comprise at least two pairs of corresponding hinged corresponding multistage bar linkage structures of connecting rod composition, corresponding interlinking lever ends at different levels are movably hinged and form in the time that vehicle body frame launches bag support end mutually, in corresponding storage bag, be provided for hanging the fixing sack on bag support end, Open Side Down coordinates with bag support end for described fixing sack; The setting of described storage bag inside bottom is corresponding with center hinge joint chair position and by lifting, car body is carried out to folding lifting piece.
By above structure setting: the interlinking lever end that multistage bar linkage structure is corresponding is movably hinged, can realize enlarged areas and the extension of vehicle body frame corresponding side surface, in the time that vehicle body frame launches completely, corresponding pin jointed end position can be realized the state of being completely fixed and be formed corresponding bag support end, the fixing sack that now Open Side Down can be realized with hanging of bag support end and coordinating, complete storage bag port multi-endpoint is fixed, strengthen the working strength of storage bag port part; In inner side, storage bag bottom surface, lifting piece is set simultaneously, in the time folding, can make center hinge joint chair increase by the form lifting, make to support bottom bar and realize gathering, corresponding side supports completes corresponding gathering action, in cooperation, side supports is drawn in, labour-saving completes folding hand barrow more simultaneously.
The utility model is also further set to: described adjacent two side supports vertically arrange corresponding connection pole, the upper and lower end parts that connects pole arranges respectively coupler link and the hinged fixing hinged seat of support underframe, and connection pole is telescoping, the hinged seat of corresponding upper-lower position is individually fixed in pole body and the telescopic strut of connection bracket.
By above structure setting: connecting rod corresponding to side supports realized and being connected and fixed by connecting pole and hinged seat thereof, and the telescopic strut automatic-ascending of the hinged seat of upper end correspondence in folding process, coordinate jackknife action, increase on the basis of existing technology connection pole and can strengthen overall structural strength, to adapt to more load-carrying.
The utility model is also further set to: described hand barrow also comprises pull bar, and pull bar is connected in the center of side supports; Described pull bar is movably hinged respectively corresponding push-and-pull connecting rod in its body of rod both sides, and push-and-pull connecting rod the other end connects and realizes the connection of pull bar and fold with corresponding hinged seat respectively.
By above structure setting: pull bar can be realized and coordinate vehicle body frame to fold, reduce folding after the volume of whole car body.
The utility model is also further set to: the upper surface of the upper articulation seat of described vehicle body frame is provided with multiple for supporting the strut bar of ceiling, and strut bar is fixed on hinged seat by corresponding connecting element.
By above structure setting: in use, can the ceiling for sunshade be installed at the top of strut bar.
The utility model is also further set to: between described push-and-pull connecting rod and corresponding hinged seat, U-shaped leg is set, push-and-pull connecting rod is movably hinged the two sides in U-shaped leg, and U-shaped leg bottom surface is articulated with hinged seat, realizes pull bar and swing on perpendicular to side supports place face.
By above structure setting: pull bar in normal operation, can on perpendicular to side supports place face, freely swing, corresponding pull bar end can be applicable to different operation height, can be applicable to different use crowds and carry out easily go-cart and pull a cart moving, there is certain alerting ability simultaneously.
The utility model is also further set to: described connecting element is socketed on corresponding hinged seat through the fixed orifice in storage bag, realizes the fixing in vehicle body frame upper end to storage bag.
By above structure setting: in the time that storage bag is installed, can be by connecting element the fixed orifice through storage bag correspondence position, four bights of storage bag are individually fixed on the hinged seat at place.
The utility model is also further set to: on the body of rod of described pull bar, be fixedly installed the attaching parts for hinged two push-and-pull connecting rods, described attaching parts is placed in the middle part of pull bar.
By above structure setting: push-and-pull connecting rod folds in folding process centered by attaching parts, in folding process, attaching parts is similar to center hinge joint chair and rises.
The utility model is also further set to: described strut bar, connecting element and hinged seat are fixed by socket successively, and is provided for the fixing pluge of fixed pedestal bar in connecting element side.
By above structure setting: ceiling can carry out the adjusting of upper-lower position in the process using, strut bar partial fixing part is placed in corresponding hollow telescopic strut below, by fixing pluge, the position of strut bar is fixed.
The utility model is also further set to: described pull bar is multistage telescoping, is provided for the engaging member of fixing vertical state lower push-pull bar on the connecting rod in the described side supports corresponding with pull bar.
By above structure setting: carrying out conventional go-cart and when folding, generally pull bar is coordinated with engaging member, pull bar can be contracted to short status simultaneously.
The utility model is also further set to: described fixing pluge is captive nut, and connecting element side arranges the screw communicating with strut bar connecting bore.
By above structure setting: after the location positioning of strut bar, can pass through rotary fixing screw mother, realize fixing to post position.
Brief description of the drawings
Fig. 1 is the part exploded perspective view of hand barrow described in the utility model;
Fig. 2 is the structural representation that hand barrow described in the utility model is not installed storage bag;
Fig. 3 is the structural representation that the utility model pull bar and push-and-pull connecting rod thereof coordinate;
Fig. 4 is the partial enlarged drawing of Fig. 2 at A place;
Fig. 5 is the partial enlarged drawing of Fig. 2 at B place;
Fig. 6 is the structural representation of the utility model fixing pluge.
Number in the figure implication: 1-storage bag; 11-fixes sack; 12-lifting piece; 13-fixed orifice; 2-vehicle body frame; 21-side supports; 211-connecting rod; 212-bag support end; 21A-side supports; 23-support underframe; 231-supports bottom bar; 232-center hinge joint chair; 24-connects pole; 241-pole body; 242-telescopic strut; 25-upper end hinged seat; 26-lower end hinged seat; 261-U type hinged seat; 27-connecting element; 271-fixing pluge; 272-screw; 28-strut bar; 29-engaging member; 3-wheel; 4-pull bar; 41-attaching parts; 42-push-and-pull connecting rod; 43-U type leg; 431-U type leg side; 432-U type leg bottom surface; 5-ceiling.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
With reference to Fig. 1, a kind of foldable hand cart, comprise collapsible and open-topped rectangle vehicle body frame 2 and be placed in the storage bag 1 in vehicle body frame 2, vehicle body frame 2 comprises four side supports 21 and corresponding support underframe 23, and the bottom of vehicle body frame 2 arranges four corresponding wheels 3; Side supports 21 is intersected by two and the hinged connecting rod 211 in center forms, and support underframe 23 comprises four corresponding support bottom bars 231 and center hinge joint chair 232; The side supports 21 of vehicle body frame 2 both sides comprises two pairs of intersections and the hinged connecting rod 211 in center forms corresponding two-stage bar linkage structure, it is four-bar linkage structure, corresponding connecting rods at different levels 211 ends are movably hinged and form in the time that vehicle body frame 2 launches bag support end 212 mutually, in corresponding storage bag 1, be provided for hanging the fixing sack 11 on bag support end 212, Open Side Down coordinates with bag support end 212 for described fixing sack 11; Described storage bag 1 inside bottom setting is corresponding with center hinge joint chair 232 positions and by lifting, car body is carried out to folding lifting piece 12.Connecting rod 211 ends corresponding to multistage connecting rod 211 structures are movably hinged, can realize enlarged areas and the extension of vehicle body frame 2 corresponding side surface, in the time that vehicle body frame 2 launches completely, corresponding pin jointed end position can be realized the state of being completely fixed and be formed corresponding bag support end 212, the fixing sack 11 that now Open Side Down can be realized with hanging of bag support end 212 and coordinating, complete storage bag 1 port multi-endpoint is fixed, strengthen the working strength of storage bag 1 port part; In storage bag 1 inner side, bottom surface, lifting piece 12 is set simultaneously, in the time folding, can make center hinge joint chair 232 increase by the form lifting, make to support bottom bar 231 and realize gathering, corresponding side supports 21 completes corresponding gathering action, in cooperation, side supports 21 is drawn in, labour-saving completes folding hand barrow more simultaneously.
Described hand barrow also comprises pull bar 4, and pull bar 4 is connected in the center of side supports 21A; Described pull bar 4 is movably hinged respectively corresponding push-and-pull connecting rod 42 in its body of rod both sides, and push-and-pull connecting rod 42 the other end connect and realize the connection of pull bar 4 and fold with corresponding lower end hinged seat 26 respectively; Pull bar 4 can be realized and coordinate vehicle body frame 2 to fold, and reduces the volume of folding rear whole car body.
Shown in Fig. 1, Fig. 2, described adjacent two side supports 21 vertically arrange corresponding connection pole 24, connect the upper and lower end parts of pole 24 coupler link 211 and the hinged fixing upper end hinged seat 25 of support underframe 23, lower end hinged seat 26 are set respectively, and connecting pole 24 is telescoping, the upper end hinged seat 25 of corresponding upper-lower position, pole body 241 and the telescopic strut 242 that lower end hinged seat 26 is individually fixed in connection bracket.The connecting rod 211 of side supports 21 correspondences by connecting pole 24 and upper end hinged seat 25 thereof, lower end hinged seat 26 is realized and being connected and fixed, and telescopic strut 242 automatic-ascendings of the upper end hinged seat 25 of upper end correspondence in folding process, coordinate jackknife action, increase on the basis of existing technology connection pole 24 and can strengthen overall structural strength, to adapt to more load-carrying.The upper surface of upper end, the top hinged seat 25 of described vehicle body frame 2 is provided with multiple for supporting the strut bar 28 of ceiling 5, and strut bar 28 is fixed on upper end hinged seat 25 by corresponding connecting element 27.In use, can the ceiling 5 for sunshade be installed at the top of strut bar 28.
Described connecting element 27 is socketed on corresponding upper end hinged seat 25 through the fixed orifice 13 in storage bag 1, realizes the fixing in vehicle body frame 2 upper ends to storage bag 1.In the time that storage bag 1 is installed, connecting element 27 can be passed to the fixed orifice 13 of storage bag 1 correspondence position, four bights of storage bag 1 are individually fixed on the upper end hinged seat 25 at place.
In conjunction with Fig. 1, Fig. 3 and Fig. 5: between described push-and-pull connecting rod 42 and corresponding lower end hinged seat 26, U-shaped leg 43 is set, push-and-pull connecting rod 42 is movably hinged the two U-shaped leg sides 431 in U-shaped leg 43, and U-shaped leg bottom surface 432 is articulated with the U-shaped hinged seat 261 on lower end hinged seat 26, realizes pull bar 4 and swing on perpendicular to side supports 21A place face.Pull bar 4 in normal operation, can on perpendicular to side supports 21A place face, freely swing, corresponding pull bar 4 ends can be applicable to different operation height, can be applicable to different use crowds and carry out easily go-cart and pull a cart moving, there is certain alerting ability simultaneously.
On the body of rod of described pull bar 4, be fixedly installed the attaching parts 41 for hinged two push-and-pull connecting rods 42, described attaching parts 41 is placed in the middle part of pull bar 4.Push-and-pull connecting rod 42 folds in folding process centered by attaching parts 41, and in folding process, attaching parts 41 is similar to center hinge joint chair 232 and rises.
Described pull bar 4 is multistage telescoping, is provided for the engaging member 29 of fixing vertical state lower push-pull bar 4 on the connecting rod 211 on the described side supports 21A corresponding with pull bar 4.Carrying out conventional go-cart and when folding, generally pull bar 4 is coordinated with engaging member 29, pull bar 4 can be contracted to short status simultaneously.
In conjunction with Fig. 4 and Fig. 6, described strut bar 28, connecting element 27 and upper end hinged seat 25 are fixed by socket successively, and are provided for the fixing pluge 271 of fixed pedestal bar 28 in connecting element 27 sides.Ceiling 5 can carry out the adjusting of upper-lower position in the process using, and strut bar 28 parts are positioned at connecting element and below 27, are placed in corresponding hollow telescopic strut 242, by fixing pluge 271, the position of strut bar 28 are fixed.Described fixing pluge 271 is captive nut, and connecting element 27 sides arrange the screw 272 communicating with strut bar 28 connecting bores.After the location positioning of strut bar 28, can pass through rotary fixing screw mother, realize fixing strut bar 28 positions.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these of above-mentioned hypothesis improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. a foldable hand cart, comprises collapsible and open-topped rectangle vehicle body frame and is placed in the storage bag in vehicle body frame, and vehicle body frame comprises four side supports and corresponding support underframe, and the bottom of vehicle body frame arranges corresponding wheel; Side supports is intersected by two and the hinged connecting rod in center forms, and support underframe comprises corresponding four support bottom bars and center hinge joint chair; It is characterized in that: two side supports of described at least one pair of symmetry comprise at least two pairs of corresponding hinged corresponding multistage bar linkage structures of connecting rod composition, corresponding interlinking lever ends at different levels are movably hinged and form in the time that vehicle body frame launches bag support end mutually, in corresponding storage bag, be provided for hanging the fixing sack on bag support end, Open Side Down coordinates with bag support end for described fixing sack; The setting of described storage bag inside bottom is corresponding with center hinge joint chair position and by lifting, car body is carried out to folding lifting piece.
2. a kind of foldable hand cart according to claim 1, it is characterized in that: described adjacent two side supports vertically arrange corresponding connection pole, the upper and lower end parts that connects pole arranges respectively coupler link and the hinged fixing hinged seat of support underframe, and connection pole is telescoping, the hinged seat of corresponding upper-lower position is individually fixed in pole body and the telescopic strut of connection bracket.
3. a kind of foldable hand cart according to claim 1 and 2, is characterized in that: described hand barrow also comprises pull bar, pull bar is connected in the center of side supports; Described pull bar is movably hinged respectively corresponding push-and-pull connecting rod in its body of rod both sides, and push-and-pull connecting rod the other end connects and realizes the connection of pull bar and fold with corresponding hinged seat respectively.
4. a kind of foldable hand cart according to claim 2, is characterized in that: the upper surface of the upper articulation seat of described vehicle body frame is provided with multiple for supporting the strut bar of ceiling, and strut bar is fixed on hinged seat by corresponding connecting element.
5. a kind of foldable hand cart according to claim 3, it is characterized in that: between described push-and-pull connecting rod and corresponding hinged seat, U-shaped leg is set, push-and-pull connecting rod is movably hinged the two sides in U-shaped leg, and U-shaped leg bottom surface is articulated with hinged seat, realizes pull bar and swing on perpendicular to side supports place face.
6. a kind of foldable hand cart according to claim 4, is characterized in that: described connecting element is socketed on corresponding hinged seat through the fixed orifice in storage bag, realizes the fixing in vehicle body frame upper end to storage bag.
7. a kind of foldable hand cart according to claim 5, is characterized in that: on the body of rod of described pull bar, be fixedly installed the attaching parts for hinged two push-and-pull connecting rods, described attaching parts is placed in the middle part of pull bar.
8. according to a kind of foldable hand cart described in claim 4 or 6, it is characterized in that: described strut bar, connecting element and hinged seat are fixed by socket successively, and be provided for the fixing pluge of fixed pedestal bar in connecting element side.
9. a kind of foldable hand cart according to claim 7, is characterized in that: described pull bar is multistage telescoping, is provided for the engaging member of fixing vertical state lower push-pull bar on the connecting rod in the described side supports corresponding with pull bar.
10. a kind of foldable hand cart according to claim 8, is characterized in that: described fixing pluge is captive nut, and connecting element side arranges the screw communicating with strut bar connecting bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794265.4U CN203793376U (en) | 2013-12-04 | 2013-12-04 | Foldable trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794265.4U CN203793376U (en) | 2013-12-04 | 2013-12-04 | Foldable trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793376U true CN203793376U (en) | 2014-08-27 |
Family
ID=51375621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794265.4U Expired - Lifetime CN203793376U (en) | 2013-12-04 | 2013-12-04 | Foldable trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203793376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693086A (en) * | 2013-12-04 | 2014-04-02 | 金旭刚 | Foldable trolley |
| CN104386106A (en) * | 2014-11-14 | 2015-03-04 | 青岛昌盛日电太阳能科技有限公司 | Photovoltaic stacking assembly transferring trolley |
| CN104943720A (en) * | 2015-06-29 | 2015-09-30 | 张广舜 | Foldable trolley |
-
2013
- 2013-12-04 CN CN201320794265.4U patent/CN203793376U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693086A (en) * | 2013-12-04 | 2014-04-02 | 金旭刚 | Foldable trolley |
| CN104386106A (en) * | 2014-11-14 | 2015-03-04 | 青岛昌盛日电太阳能科技有限公司 | Photovoltaic stacking assembly transferring trolley |
| CN104943720A (en) * | 2015-06-29 | 2015-09-30 | 张广舜 | Foldable trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200427 Address after: 321000 Building 2, Jindong New Area Industrial Park, Jinhua City, Zhejiang Province Patentee after: Zhejiang Dongrun Industry Co.,Ltd. Address before: 321000 the people of East Zhejiang province Jinhua city Wucheng District Ming Lane No. 16 Patentee before: Jin Xugang |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |