CN212185477U - Manual opening and closing four-folding umbrella - Google Patents
Manual opening and closing four-folding umbrella Download PDFInfo
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- CN212185477U CN212185477U CN202020133372.2U CN202020133372U CN212185477U CN 212185477 U CN212185477 U CN 212185477U CN 202020133372 U CN202020133372 U CN 202020133372U CN 212185477 U CN212185477 U CN 212185477U
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Abstract
A manual folding and unfolding four-folding umbrella comprises a multi-section middle rod, an upper nest, a lower nest and four-folding umbrella ribs, wherein the four-folding umbrella ribs comprise inner main ribs, when the umbrella is unfolded, a user firstly stretches an inner pipe and an outer pipe, then holds and presses a linkage handle to enable the linkage handle to drive a push rod, the push rod pushes and stretches the upper section of the middle rod upwards through a positioning sleeve, an umbrella head at the other end of the linkage handle pulls an inner pipe out of the upper section middle rod, the inner pipe pulls the linkage lower nest upwards through a pulling structure and simultaneously drives the lower nest and a support rib to be pulled upwards until the four-folding umbrella ribs are unfolded, a buckling button is buckled with the middle rod to be stable and unfolded, the umbrella unfolding work is completed, when the umbrella is folded, a buckling button on the linkage handle is pressed and unfolded, an umbrella folding spring drives the four-folding umbrella ribs to be folded, the four-folding umbrella ribs drive the lower nest to be pulled downwards to link the lower nest to drive the positioning sleeves connected with the multi-section, furthermore, a positioning sleeve which is not fixedly connected with the multi-section middle rod is manufactured, and the push rod can be retracted into the linkage handle to complete the complete umbrella folding.
Description
Technical Field
The utility model relates to a manual four-fold umbrella of opening and shutting belongs to manual four-fold umbrella field of opening and shutting.
Background
The prior umbrella is generally unlocked by holding and pressing the umbrella opening fastening button to unlock the lower nest of the umbrella, and then the lower nest of the hand-pushed umbrella moves upwards along the umbrella middle rod to open the umbrella, or the umbrella is unfolded by an automatic umbrella opening mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a manual four books parachute kit of opening and receiving exists to solve current umbrella and generally remove the locking of opening umbrella lock button to the umbrella nest down through holding and pressing umbrella lock button, then shift up along the umbrella stick through the umbrella nest down under the hand push umbrella and realize opening the umbrella, perhaps the problem that the mechanism through automatic opening the umbrella struts the umbrella.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a manually opened and folded four-fold umbrella comprises a multi-section middle rod, an upper nest, a lower nest and four-fold umbrella ribs, wherein each four-fold umbrella rib comprises an inner main rib, an inner branch rib, an inner middle rib, an outer main rib and an outer branch rib, the upper nest is arranged at the upper end of the multi-section middle rod, the lower nest is movably sleeved on the multi-section middle rod, the four-fold umbrella ribs are pivoted at the outer sides of the upper nest and the lower nest, umbrella folding springs are arranged on the four-fold umbrella ribs, the outer ends of the inner main ribs are pivoted at the middle section of the inner branch rib, the outer ends of the inner branch ribs are pivoted at the inner middle main rib inner end, the outer ends of the inner middle main ribs are pivoted at the inner middle main rib inner end, the inner middle branch rib inner ends are pivoted at the inner main rib outer main rib end, the outer ends of the outer middle branch ribs are pivoted at the inner main rib outer branch rib end, the outer branch rib end is pivoted at the inner middle rib end, the outer branch rib end is pivoted at the inner branch, the outer end of the outer supporting rib is pivoted with the inner end of the outer main rib, the lower end of the multi-section middle rod is provided with an umbrella head, the umbrella unfolding and folding linkage device, the linkage lower nest, the linkage handle, the push rod, the positioning sleeve and the buckling button are further included, the umbrella unfolding and folding linkage device comprises a pulling structure and a fixed pulley, the fixed pulley is arranged on the upper nest, one end of the pulling structure is connected to the multi-section middle rod, the linkage lower nest is movably sleeved between the upper nest and the lower nest on the multi-section middle rod, the linkage supporting rib is pivoted on the outer side of the linkage lower nest, the outer end of the linkage supporting rib is pivoted on the middle section of the inner main rib or the middle section of the inner supporting rib, the other end of the pulling structure is connected with the linkage lower nest by bypassing the fixed pulley, one end of the linkage handle is pivoted with the push rod, the other end of the linkage handle is pivoted with the umbrella.
Furthermore, the movable pulley is arranged on the lower interlocking nest, and the pulling structure sequentially passes through the multi-section middle rod, the fixed pulley and the movable pulley and is finally connected to the upper nest.
Further, the pulling structure is composed of a pull rope or three pull rods and a pull rope.
A manually opened and folded four-fold umbrella comprises a multi-section middle rod, an upper nest, a linkage lower nest and four-fold umbrella ribs, wherein each four-fold umbrella rib comprises an inner main rib, a linkage supporting rib, an inner middle main rib, an inner middle supporting rib, an outer middle main rib, an outer middle supporting rib, an outer main rib and an outer supporting rib, the upper nest is arranged at the upper end of the multi-section middle rod, the linkage lower nest is movably sleeved on the multi-section middle rod, the inner end of the inner main rib is pivoted with the upper nest, the inner end of the linkage supporting rib is pivoted with the lower nest, the outer end of the inner main rib is pivoted with the middle section of the inner supporting rib, the outer end of the linkage supporting rib is pivoted with the inner end of the inner middle main rib, the outer end of the inner middle main rib is pivoted with the inner end of the outer middle main rib, the outer end of the outer middle main rib is pivoted with the inner end of the outer main rib, the inner end of the inner middle supporting rib is pivoted with the outer main rib, the outer end of the outer middle supporting rib is pivoted with the outer main rib, the outer end of the outer supporting rib is pivoted with the inner end of the outer main rib, umbrella folding springs are arranged on four folding umbrella ribs, umbrella heads are arranged at the lower ends of the multi-section middle rods, the umbrella folding linkage device further comprises an umbrella folding linkage device, a linkage handle, a push rod, a positioning sleeve and a buckling button, the umbrella folding linkage device comprises a pulling structure and a fixed pulley, the fixed pulley is arranged on the upper nest, one end of the pulling structure is connected to the multi-section middle rods, the other end of the pulling structure bypasses the fixed pulley to be connected with the linkage lower nest, one end of the linkage handle is pivoted with the push rod, the other end of the linkage handle is pivoted with the umbrella heads, the other end of the push rod is pivoted with the positioning sleeve, the positioning.
Furthermore, the movable pulley is arranged on the lower interlocking nest, and the pulling structure sequentially passes through the multi-section middle rod, the fixed pulley and the movable pulley and is finally connected to the upper nest.
The utility model has the advantages that: when opening the umbrella, a user firstly stretches the inner and outer tubes, then holds and presses the linkage handle to enable the linkage handle to drive the push rod, the push rod pushes the upper section of the middle rod upwards through the positioning sleeve, the umbrella head at the other end of the linkage handle pulls the inner tube out of the upper section of the middle rod, the inner tube pulls the linkage lower nest upwards through the pulling structure, simultaneously, the lower nest and the supporting ribs are driven to be pulled upwards until the four-fold umbrella ribs are unfolded, the buckling buttons are buckled with the middle rod to stably unfold the umbrella, the umbrella unfolding work is completed, when the umbrella is folded, the umbrella folding device comprises a linkage handle, a push rod, a linkage handle, a linkage spring, a lower nest and a positioning sleeve, wherein the linkage handle is connected with the push rod in a non-fixed mode, the linkage handle is connected with the lower nest in a matched mode, the push rod can be pulled out of the linkage handle, the linkage handle is connected with the linkage handle in a matched mode, the buckling button on the linkage handle is pressed open, the umbrella folding spring drives four-fold umbrella ribs to fold, the four-fold umbrella ribs drive the lower nest to pull down, the linkage lower nest to pull down, the.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a two-stage middle rod structure according to example 2;
FIG. 2 is a schematic diagram of a three-stage medium rod structure of example 2;
FIG. 3 is a schematic view of a four-stage medium rod structure of example 2;
FIG. 4 is a drawing structure of example 2;
FIG. 5 is a schematic view of the linkage in an umbrella opening and closing state;
FIG. 6 is a schematic view of another connection structure of the linking branch in embodiment 2;
FIG. 7 is a schematic view of the umbrella of embodiment 1;
FIG. 8 is a drawing structure diagram of embodiment 1;
FIG. 9 is a schematic view of the umbrella of embodiment 3;
FIG. 10 is a schematic view of a four-fold umbrella;
FIG. 11 is an enlarged view of a portion of the umbrella;
fig. 12 is a schematic view of another connecting structure of the positioning sleeve.
In the figure: the umbrella comprises a multi-section middle rod-1, an upper nest-2, a lower nest-3, four-fold umbrella ribs-4, a linkage lower nest-13, a linkage handle-9, a push rod-10, a positioning sleeve-11, a buckling button-15, a linkage supporting rib-14, an umbrella folding spring-5, an umbrella head-8, a movable pulley-12, a pull rod-701, a pull rope-702, a pulling structure-7 and a fixed pulley-6.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1:
referring to fig. 5, 7, 8 and 10, the present invention provides a technical solution of a manual folding umbrella: comprises a multi-section middle rod 1, an upper nest 2, a lower nest 3 and a four-fold umbrella rib 4, wherein the four-fold umbrella rib 4 comprises an inner main rib, an inner supporting rib, an inner middle rib, an outer main rib and an outer supporting rib, the upper nest 2 is arranged at the upper end of the multi-section middle rod 1, the lower nest 3 is movably sleeved on the multi-section middle rod 1, the four-fold umbrella rib 4 is pivoted at the outer sides of the upper nest 2 and the lower nest 3, an umbrella-folding spring 5 is arranged on the four-fold umbrella rib 4, the outer end of the inner main rib is pivoted at the middle section of the inner supporting rib, the outer end of the inner supporting rib is pivoted at the inner middle main rib inner end, the outer end of the inner middle main rib is pivoted at the inner middle main rib inner end, the outer end of the inner middle supporting rib is pivoted at the inner middle main rib inner main rib outer section, the inner end of the outer middle supporting rib is pivoted at the inner middle rib outer supporting rib outer section, the outer supporting rib is pivoted at the inner middle rib outer main, the outer end of the outer supporting rib is pivoted with the inner end of the outer main rib, the lower end of the multi-section middle rod 1 is provided with an umbrella head 8, the umbrella unfolding and folding linkage device, a linkage lower nest 13, a linkage handle 9, a push rod 10, a positioning sleeve 11 and a buckling button 15 are further included, the umbrella unfolding and folding linkage device comprises a pulling structure 7 and a fixed pulley 6, the fixed pulley 6 is arranged on the upper nest 2, one end of the pulling structure 7 is connected with the multi-section middle rod 1, the linkage lower nest 13 is movably sleeved on the multi-section middle rod 1 between the upper nest 2 and the lower nest 3, the outer side of the linkage lower nest 13 is pivoted with a linkage supporting rib 14, the outer end of the linkage supporting rib 14 is pivoted on the middle section of the inner main rib or the middle section of the inner supporting rib, the other end of the pulling structure 7 bypasses the fixed pulley 6 to be connected with the linkage lower nest 13, one end of the linkage handle 9 is pivoted with the push rod 10, the other end of the linkage handle 9, the buckling button 15 is arranged on the linkage handle 9, and the pulling structure 7 is composed of a pull rope 702 or three pull rods 701 and a pull rope 702.
For example, the connection between the positioning sleeve 12 and the multi-section middle rod is divided into two ways, one way is that the positioning sleeve 12 is fixedly connected with the multi-section middle rod, the other way is that the positioning sleeve 12 is non-fixedly connected with the multi-section middle rod, when opening the umbrella, a user firstly stretches the inner and outer tubes, then holds and presses the linkage handle 9, so that the linkage handle 9 drives the push rod 10, the push rod 10 pushes the upper section of the middle rod upwards through the positioning sleeve 11, the umbrella head 8 at the other end of the linkage handle 9 pulls the inner tube out of the upper section middle rod, the inner tube pulls the linkage lower nest 13 through the pulling structure 7, simultaneously drives the lower nest 3 and the support rib to pull upwards until the four-fold umbrella rib is unfolded, the buckling button 15 is buckled with the middle rod to be stable opening the umbrella, when closing the umbrella, the buckling button 15 on the linkage handle 9 is pressed, the umbrella closing spring 5 drives the four-fold umbrella rib 4, the four-fold umbrella rib 4 drives the lower nest to pull downwards, and drives the lower nest 13 to drive the, the linkage handle 9 and the push rod 10 are folded into a bow shape to finish the umbrella folding work, and further, a positioning sleeve 11 which is not fixedly connected with the multi-section middle rod is manufactured, and the push rod 10 can be folded into the linkage handle 9 to finish the complete umbrella folding.
Example 2:
referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 10, fig. 11, and fig. 12, the present invention provides a technical solution of a manual folding and unfolding umbrella: comprises a multi-section middle rod 1, an upper nest 2, a lower nest 3 and a four-fold umbrella rib 4, wherein the four-fold umbrella rib 4 comprises an inner main rib, an inner supporting rib, an inner middle rib, an outer main rib and an outer supporting rib, the upper nest 2 is arranged at the upper end of the multi-section middle rod 1, the lower nest 3 is movably sleeved on the multi-section middle rod 1, the four-fold umbrella rib 4 is pivoted at the outer sides of the upper nest 2 and the lower nest 3, an umbrella-folding spring 5 is arranged on the four-fold umbrella rib 4, the outer end of the inner main rib is pivoted at the middle section of the inner supporting rib, the outer end of the inner supporting rib is pivoted at the inner middle main rib inner end, the outer end of the inner middle main rib is pivoted at the inner middle main rib inner end, the outer end of the inner middle supporting rib is pivoted at the inner middle main rib inner main rib outer section, the inner end of the outer middle supporting rib is pivoted at the inner middle rib outer supporting rib outer section, the outer supporting rib is pivoted at the inner middle rib outer main, the outer end of the outer supporting rib is pivoted with the inner end of the outer main rib, the lower end of the multi-section middle rod 1 is provided with an umbrella head 8, the umbrella unfolding and folding linkage device, a linkage lower nest 13, a linkage handle 9, a push rod 10, a positioning sleeve 11 and a buckling button 15 are further included, the umbrella unfolding and folding linkage device comprises a pulling structure 7 and a fixed pulley 6, the fixed pulley 6 is arranged on the upper nest 2, one end of the pulling structure 7 is connected with the multi-section middle rod 1, the linkage lower nest 13 is movably sleeved on the multi-section middle rod 1 between the upper nest 2 and the lower nest 3, the outer side of the linkage lower nest 13 is pivoted with a linkage supporting rib 14, the outer end of the linkage supporting rib 14 is pivoted on the middle section of the inner main rib or the middle section of the inner supporting rib, the other end of the pulling structure 7 bypasses the fixed pulley 6 to be connected with the linkage lower nest 13, one end of the linkage handle 9 is pivoted with the push rod 10, the other end of the linkage handle 9, the buckling button 15 is arranged on the linkage handle 9, and further comprises a movable pulley 12, the movable pulley 12 is arranged on the linkage lower nest 13, the pulling structure 7 sequentially passes through the multi-section middle rod 1, the fixed pulley 6 and the movable pulley 12 and finally is connected to the upper nest 2, and the pulling structure 7 is composed of a pull rope 702 or three pull rods 701 and a pull rope 702.
For example, the connection between the positioning sleeve 12 and the multi-section middle rod is divided into two ways, one way is that the positioning sleeve 12 is fixedly connected with the multi-section middle rod, the other way is that the positioning sleeve 12 is non-fixedly connected with the multi-section middle rod, when opening the umbrella, a user firstly stretches the inner and outer tubes, then holds and presses the linkage handle 9, so that the linkage handle 9 drives the push rod 10, the push rod 10 pushes the upper section of the middle rod upwards through the positioning sleeve 11, the umbrella head 8 at the other end of the linkage handle 9 pulls the inner tube out of the upper section middle rod, the inner tube pulls the linkage lower nest 13 through the pulling structure 7, simultaneously drives the lower nest 3 and the support rib to pull upwards until the four-fold umbrella rib is unfolded, the buckling button 15 is buckled with the middle rod to be stable opening the umbrella, when closing the umbrella, the buckling button 15 on the linkage handle 9 is pressed, the umbrella closing spring 5 drives the four-fold umbrella rib 4, the four-fold umbrella rib 4 drives the lower nest to pull downwards, and drives the lower nest 13 to drive the, the linkage handle 9 and the push rod 10 are folded into a bow shape to finish the umbrella folding work, and further, a positioning sleeve 11 which is not fixedly connected with the multi-section middle rod is manufactured, and the push rod 10 can be folded into the linkage handle 9 to finish the complete umbrella folding.
Example 3:
referring to fig. 5, 9 and 10, the present invention provides a technical solution of a manual folding umbrella: comprises a multi-section middle rod 1, an upper nest 2, a linkage lower nest 13 and a four-fold umbrella rib 4, wherein the four-fold umbrella rib 4 comprises an inner main rib, a linkage supporting rib 14, an inner middle main rib, an inner middle supporting rib, an outer middle main rib, an outer middle supporting rib, an outer main rib and an outer supporting rib, the upper nest 2 is arranged at the upper end of the multi-section middle rod 1, the linkage lower nest 13 is movably sleeved on the multi-section middle rod 1, the inner main rib is pivoted with the upper nest 2, the inner end of the linkage supporting rib 14 is pivoted with a lower nest 3, the outer end of the inner main rib is pivoted with the middle section of the inner main rib, the outer end of the linkage supporting rib 14 is pivoted with the inner end of the inner middle main rib, the outer end of the outer middle main rib is pivoted with the inner main rib, the inner middle supporting rib is pivoted with the outer end of the inner main rib, the outer end of the inner middle supporting rib is pivoted with the inner main rib, the outer middle supporting rib is pivoted with the outer section of the outer middle rib 14, the outer end of the outer supporting rib is pivoted with the inner end of the outer main rib, an umbrella folding spring 5 is arranged on a four-fold umbrella rib 4, an umbrella head 8 is arranged at the lower end of the multi-section middle rod 1, the umbrella folding and unfolding linkage device further comprises an umbrella unfolding and folding linkage device, a linkage handle 9, a push rod 10, a positioning sleeve 12 and a buckling button 15, the umbrella unfolding and folding linkage device comprises a pulling structure 7 and a fixed pulley 6, the fixed pulley 6 is arranged on an upper nest 2, one end of the pulling structure 7 is connected to the multi-section middle rod 1, the other end of the pulling structure 7 bypasses the fixed pulley 6 to be connected with a linkage lower nest 13, one end of the linkage handle 9 is pivoted with the push rod 10, the other end of the linkage handle 9 is pivoted with the umbrella head 8, the other end of the push rod 10 is pivoted with the positioning sleeve 11, the positioning sleeve 11 is arranged above a lower-section inner tube of the multi-section middle rod, the buckling button, The movable pulley 12 is finally connected with the upper nest 2.
For example, the connection between the positioning sleeve 12 and the multi-section middle rod is divided into two ways, one way is that the positioning sleeve 12 is fixedly connected with the multi-section middle rod, the other way is that the positioning sleeve 12 is non-fixedly connected with the multi-section middle rod, when opening the umbrella, a user firstly stretches the inner and outer tubes, then holds and presses the linkage handle 9, so that the linkage handle 9 drives the push rod 10, the push rod 10 pushes the upper section of the middle rod upwards through the positioning sleeve 11, the umbrella head 8 at the other end of the linkage handle 9 pulls the inner tube out of the upper section middle rod, the inner tube pulls the linkage lower nest 13 through the pulling structure 7, simultaneously drives the lower nest 3 and the support rib to pull upwards until the four-fold umbrella rib is unfolded, the buckling button 15 is buckled with the middle rod to be stable opening the umbrella, when closing the umbrella, the buckling button 15 on the linkage handle 9 is pressed, the umbrella closing spring 5 drives the four-fold umbrella rib 4, the four-fold umbrella rib 4 drives the lower nest to pull downwards, and drives the lower nest 13 to drive the, the linkage handle 9 and the push rod 10 are folded into a bow shape to finish the umbrella folding work, and further, a positioning sleeve 11 which is not fixedly connected with the multi-section middle rod is manufactured, and the push rod 10 can be folded into the linkage handle 9 to finish the complete umbrella folding.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. A manually opened and folded four-fold umbrella comprises a multi-section middle rod, an upper nest, a lower nest and four-fold umbrella ribs, wherein each four-fold umbrella rib comprises an inner main rib, an inner branch rib, an inner middle rib, an outer main rib and an outer branch rib, the upper nest is arranged at the upper end of the multi-section middle rod, the lower nest is movably sleeved on the multi-section middle rod, the four-fold umbrella ribs are pivoted at the outer sides of the upper nest and the lower nest, umbrella folding springs are arranged on the four-fold umbrella ribs, the outer ends of the inner main ribs are pivoted at the middle section of the inner branch rib, the outer ends of the inner branch ribs are pivoted at the inner middle main rib inner end, the outer ends of the inner middle main ribs are pivoted at the inner middle main rib inner end, the inner middle branch rib inner ends are pivoted at the inner main rib outer main rib end, the outer ends of the outer middle branch ribs are pivoted at the inner main rib outer branch rib end, the outer branch rib end is pivoted at the inner middle rib end, the outer branch rib end is pivoted at the inner branch, outer support bone outer end and the pin joint of outer main bone inner, stick lower extreme is equipped with umbrella head in the multistage, its characterized in that: the umbrella folding and unfolding linkage device comprises a pulling structure and a fixed pulley, the fixed pulley is arranged on an upper nest, one end of the pulling structure is connected to a multi-section middle rod, the multi-section middle rod is movably sleeved between the upper nest and a lower nest, a linkage supporting bone is pivoted to the outer side of the linkage lower nest, the outer end of the linkage supporting bone is pivoted to the middle section of an inner main bone or the middle section of an inner supporting bone, the other end of the pulling structure is connected with the linkage lower nest by bypassing the fixed pulley, one end of the linkage handle is pivoted with the push rod, the other end of the linkage handle is pivoted with an umbrella head, the other end of the push rod is pivoted with the positioning sleeve, the positioning sleeve is arranged above the lower section of an inner tube of the multi-section middle rod, and the buckling button is arranged on the linkage handle.
2. The manual folding and unfolding four-folding umbrella as claimed in claim 1, wherein: the movable pulley is arranged on the linkage lower nest, and the pulling structure sequentially passes through the multi-section middle rod, the fixed pulley and the movable pulley and is finally connected to the upper nest.
3. A manually collapsible four-fold umbrella as claimed in claim 1 or 2, wherein: the pulling structure consists of one pull rope or three pull rods and one pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133372.2U CN212185477U (en) | 2020-01-20 | 2020-01-20 | Manual opening and closing four-folding umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133372.2U CN212185477U (en) | 2020-01-20 | 2020-01-20 | Manual opening and closing four-folding umbrella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212185477U true CN212185477U (en) | 2020-12-22 |
Family
ID=73811059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020133372.2U Expired - Fee Related CN212185477U (en) | 2020-01-20 | 2020-01-20 | Manual opening and closing four-folding umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212185477U (en) |
-
2020
- 2020-01-20 CN CN202020133372.2U patent/CN212185477U/en not_active Expired - Fee Related
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