CN103892621A - Brake mechanism and child dinning chair with brake mechanism - Google Patents
Brake mechanism and child dinning chair with brake mechanism Download PDFInfo
- Publication number
- CN103892621A CN103892621A CN201210575676.4A CN201210575676A CN103892621A CN 103892621 A CN103892621 A CN 103892621A CN 201210575676 A CN201210575676 A CN 201210575676A CN 103892621 A CN103892621 A CN 103892621A
- Authority
- CN
- China
- Prior art keywords
- wheel
- brake member
- actuator
- fastener
- braking mechanism
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D1/00—Children's chairs
- A47D1/06—Children's chairs convertible to a push chair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/20—Furniture or medical appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/43—Carts
- B60B2200/432—Shopping carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
- B60Y2200/83—Perambulators; Buggies; Strollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake mechanism which is assembled on a wheel assembly. The wheel assembly comprises a wheel and a wheel fixing base connected to the wheel in a pivot mode. The brake mechanism comprises an installation rod, a driving piece, a brake piece, a clamping piece, an elastic piece and an operating piece, wherein the installation rod is sleeved with the driving piece, the brake piece, the clamping piece and the elastic piece. The brake piece and the driving piece are provided with a first matching position and a second matching position. The clamping piece extends to the wheel. The elastic piece can elastically drive the brake piece to be matched with the driving piece, and elastically drive the brake piece and the clamping piece to abut against each other. The operating piece is arranged on one of the brake piece and the driving piece and rotates to drive the brake piece and the driving piece to be switched to be located at the first matching position or the second matching position, and therefore the clamping piece can brake or release the wheel. The invention further discloses a child dining chair with the brake mechanisms, the wheels can be braked or released by rotating handles, and the operation is easy and convenient.
Description
Technical field
The present invention relates to children article field, relate more specifically to a kind of braking mechanism and there is the children dinning chair of this kind of braking mechanism.
Background technology
In the middle of actual life, be seen everywhere with the handcart of wheel, as perambulator, supermarket shopping car, children dinning chair or highchair etc., these all need to add braking mechanism in its wheel structure, so that it can brake is fixing.And current braking mechanism, more common is employing limited slip block or brake block technology, utilizes limited slip block compressing wheel, provides wheel frictional force by limited slip block, impels wheel brake location.Another common brake technique is for adopting locating piece to block wheel, and its principle is the inner side that utilizes locating piece to block wheel, impels wheel brake fixing, or the perforation that adopts latch to insert wheel, so that wheel alignment.Adopt the brake of limited slip block pinch roller or locating piece card wheel brake no matter be, current braking mechanism generally needs multiple parts cooperations to brake, its complex structure as seen, and processing link is various, in addition the current prices of raw and semifnished materials rise steadily, and virtually increase the production cost of enterprise.
Therefore, be necessary to provide a kind of technological means to address the aforementioned drawbacks.
Summary of the invention
The object of this invention is to provide a kind of braking mechanism and there is the children dinning chair of this kind of braking mechanism, simplify again manufacturing procedure to save raw material, also ensure the stability of brake simultaneously.
For achieving the above object, a kind of braking mechanism provided by the invention, be mounted on a wheel assembly, described wheel assembly comprises a wheel and the wheel holder with described wheel pivot joint, described braking mechanism comprises mounting rod, brake member, actuator, fastener, elastic component and operating parts, and described mounting rod extends from described wheel holder; Described brake member and actuator are all enclosed within on described mounting rod, have the first cooperation position and the second cooperation position between described brake member and actuator; Described fastener is enclosed within on described mounting rod, and stretches to described wheel; Described elastic component is enclosed within on described mounting rod, flexibly orders about described brake member and coordinates with described actuator, and flexibly order about described brake member and described fastener is tight against mutually; Described operating parts is located in described brake member and the described actuator one in the two, and the rotation of described operating parts drives described brake member and described actuator to change between the first cooperation position and the second cooperation position; When described brake member and described actuator are during in described the first cooperation position, the described fastener described wheel of conflicting; When described brake member and described actuator are during in described the second cooperation position, described fastener moves apart in described wheel.
Preferably, the one of the surface that described brake member and described actuator mate with each other in the two protruded out several projections, and the another one of the surface that described actuator and described brake member mate with each other in the two offers several grooves; When described brake member and described actuator are during in described the second cooperation position, described projection screws in described groove; When described brake member and described actuator are during in the first cooperation position, described projection screws out described groove.
Preferably, described projection is positioned at that two relative side in rotation direction is outward-dipping from top to bottom, and described groove has the shape of mating with described projection, to facilitate projection to screw in or to screw out groove, is conducive to locking and release the lock wheel.
Preferably, described fastener is between described wheel holder and described brake member.
Preferably, described elastic component is butted between described wheel holder and described fastener, is conducive to elastic component and orders about fastener.
Preferably, described fastener has the connecting hole coordinating with described mounting rod near one end of described brake member, described fastener has near one end of described wheel holder the holding tank that aperture is greater than described connecting hole, and one end of described elastic component is housed in described holding tank.
Preferably, described fastener is near the end of described wheel holder outwardly to downward-extension one flange, and described flange stretches to described wheel, when described brake member and described actuator are during in the first cooperation position, described flange props up described wheel, to play the effect of the brake of conflicting.
Preferably, one end of described operating parts is connected in described brake member, and the other end of described operating parts has leader, facilitates user to stop to stop or discharges wheel.
A kind of children dinning chair provided by the invention, there is a bracing frame, a wheel assembly and above-mentioned braking mechanism, described braking mechanism is installed between described wheel assembly and support frame as described above, and described wheel assembly comprises a wheel and the wheel holder with described wheel pivot joint.
Preferably, offer the through hole of opening surface to described wheel on described wheel holder, described fastener stretches into described through hole, and described fastener can pass described through hole and the described wheel of conflicting.
Preferably, the lower end of support frame as described above is provided with a fixed block, described mounting rod has a cavity, a connection piece is through described cavity, and one end of described connector connects described fixed block, the other end of described connector connects described wheel assembly, thereby described wheel assembly and braking mechanism are installed on to support frame as described above.
Preferably, the junction of described braking mechanism and support frame as described above is wrapped up by a housing, on described housing, offer an elongated hole, described operating parts stretches out from described elongated hole, and in the time that described operating parts moves to a side of described elongated hole, described brake member and described actuator are in the first cooperation position, the described fastener described wheel of conflicting, in the time moving to opposite side, described brake member and described actuator are in the second cooperation position, and described fastener discharges described wheel.
Compared with prior art, braking mechanism of the present invention, simple in structure, easy to operate, and there is the children dinning chair of this kind of braking mechanism, when brake, as long as relatively the independent operation part of lower end, mobile both sides is to the opposite side of its corresponding elongated hole, corresponding wheel just can be stopped and stop, and while being moved back into an original side, discharges corresponding wheel.
Brief description of the drawings
Fig. 1 is the stereogram of children dinning chair of the present invention.
Fig. 2 is the stereogram that the wheel assembly of children dinning chair of the present invention is removed housing.
Fig. 3 is the exploded view of the braking mechanism of the wheel assembly of children dinning chair of the present invention.
Fig. 4 is the wheel assembly of children dinning chair of the present invention and the schematic diagram of the actuator separating.
Fig. 5 is the schematic diagram in wheel assembly when locking of children dinning chair of the present invention.
Fig. 6 is the schematic internal view in braking mechanism when locking of the wheel assembly of children dinning chair of the present invention.
Schematic diagram when Fig. 7 is the wheel assembly release the lock of children dinning chair of the present invention.
Schematic internal view when Fig. 8 is the braking mechanism release the lock of wheel assembly of children dinning chair of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described, but embodiments of the present invention are not limited to this.
Please refer to shown in Fig. 2 to Fig. 6, a kind of braking mechanism 3 provided by the invention, be mounted on a wheel assembly 4, wheel assembly 4 comprises a wheel 41 and the wheel holder 42 with wheel 41 pivot joints, and braking mechanism 3 comprises mounting rod 31, brake member 33, actuator 32, fastener 34, elastic component 35 and operating parts 36.
When brake member 33 and actuator 32 are during in the first cooperation position, conflict wheel 41 and realize the locking to wheel 41 of fastener 34; When brake member 33 and actuator 32 are during in the second cooperation position, fastener 34 moves apart in wheel 41 and realizes the release the lock to wheel 41.
Refer to shown in Fig. 3 and Fig. 4, particularly, surface that brake member 33 and actuator 32 mate with each other 323,334 one in the two has protruded out several projections 332, and surface that actuator 32 and brake member 33 mate with each other 323,334 another one in the two offers several grooves 322.
Wherein, projection 332 can convexedly stretch on the surface 334 of brake member 33 or the surface 323 of actuator 32, and groove 322 is opened in the surface 323 of actuator 32 accordingly, or on the surface 334 of brake member 33.That is projection 332 convexedly stretches on the surface 334 of brake member 33, groove 322 is opened on the surface 323 of actuator 32; If projection 332 convexedly stretches on the surface 323 of actuator 32, groove 322 is opened on the surface 334 of brake member 33.And the projection 332 of the present embodiment is to convexedly stretch on the surface 334 of brake member 33, correspondingly, groove 322 is opened on the surface 323 on actuator 32.
When brake member 33 and actuator 32 are during in the second cooperation position, projection 332 screws in groove 322, and fastener 34 discharges wheel 41; And when brake member 33 and actuator 32 are during in the first cooperation position, projection 332 screws out groove 322, fastener 34 is supported wheel 41.Understandably, braking mechanism 3 in the present embodiment, its brake operation and release the lock operation, be projection 332 with groove 322 between separate and coordinate, be equivalent to separating and conflict between cam in cam structure and cam follower, virtually both ensured the convenience of operation, and can ensure that again brake and release the lock put in place.
More particularly, it is outward-dipping from top to bottom that projection 332 is positioned at two relative side in rotation direction, and groove 322 has the shape of mating with projection 332.Preferably, the profile of projection 332 can be isosceles trapezoid or hemispherical, and it can make projection 332 screw out like a cork or screw in groove 322, and being conducive to stops like a cork stops and release the lock wheel 41.
Refer to shown in Fig. 6, fastener 34 is between wheel holder 42 and brake member 33, and elastic component 35 is butted between wheel holder 42 and fastener 34.Particularly, fastener 34 has the connecting hole 341 coordinating with mounting rod 31 near one end of brake member 33, fastener 34 has near one end of wheel holder 42 holding tank 342 that aperture is greater than connecting hole 341, elastic component 35 is housed in holding tank 342, so that elastic component 35 can be supported compression up and down, thereby reach and flexibly order about brake member 33 and coordinate with actuator 32, and flexibly order about fastener 34 and be tight against brake member 33.Wherein, elastic component 35 adopts Compress Spring.More particularly, fastener 34 is near the end of wheel holder 42 outwardly to downward-extension one flange 343, and flange 343 stretches to wheel 41, in order to the wheel 41 of conflicting to complete brake.
Particularly, one end of operating parts 36 is connected in brake member 33, and the other end of operating parts 36 has the leader 361 who stretches out outwardly.But the invention is not restricted to this, operating parts 36 also can be connected in actuator 32.Wherein, operating parts 36 is stopped and is stopped or discharge wheel 41 for handle 361 can facilitate user to control, and improves the lightness of its operation.
Please refer to shown in Fig. 1 and Fig. 2, the present invention also provides a kind of children dinning chair 1, comprise bracing frame 2, wheel assembly 4 and above-mentioned braking mechanism 3, braking mechanism 3 is installed between wheel assembly 4 and bracing frame 2, and wheel assembly 4 comprises the wheel holder 42 of wheel 41 and pivot joint wheel 41.Wherein, bracing frame 2 is in order to support children on children dinning chair 1, and wheel assembly 4 use are so that children dinning chair 1 has sliding function takes food near dining table with convenient for children.
Refer to shown in Fig. 3, on wheel holder 42, offer the through hole 421 of opening surface to wheel 41, fastener 34 stretch into through hole 421(specifically the flange 343 of fastener 34 stretch into through hole 421), and can be through through hole 421 and conflict wheel 41 stops wheel 41 to stop.
Refer to shown in Fig. 1 to Fig. 3, wherein, the lower end of bracing frame 2 is provided with fixed block 21, in order to connect braking mechanism 3 on bracing frame 2, as shown in Figure 2; And mounting rod 31 has cavity 311, so that braking mechanism 3 is installed on bracing frame 2, as shown in Figure 3; Connector 6 is through cavity 311, and on fixed block 21 in its one end connection layout 2, other end fifth wheel sub-component 4, thus wheel assembly 4 and braking mechanism 3 are installed on bracing frame 2.Particularly, braking mechanism 3 is wrapped up by a housing 5 with the junction of bracing frame 2, offers an elongated hole 51 on housing 5, and operating parts 36 stretches out for operation from elongated hole 51.In the time that operating parts 36 moves to a side of elongated hole 51, brake member 33 and actuator 32 are in the first cooperation position, and fastener 34 is conflicted and arrived wheel 41; In the time moving to the opposite side of elongated hole 51, brake member 33 and actuator 32 are in the second cooperation position, and fastener 34 separates with wheel 41.
As the preferred embodiments of the present invention, when installation, first elastic component 35 is set on mounting rod 31; Then fastener 34 is enclosed within on mounting rod 31 by its connecting hole 341, and make flange 343 stretch into through hole 421, the upper end of elastic component 35 is resisted against within the holding tank 342 of fastener 34 on wall; Then, brake member 33 is enclosed within on mounting rod 31 by its connecting hole 331, and makes the holding tank 333 of brake member 33 accommodate the upper end of fastener 34; Then, actuator 32 is enclosed within on mounting rod 31 by its connecting hole 321; Then, the upper end of connector 6 is connected with the fixed block 21 in Fig. 2, the lower end of connector 6 is connected with cavity 311 couplings of mounting rod 31, so that wheel assembly 4 and braking mechanism 3 are mounted on bracing frame 2; Finally, wrap up braking mechanism 3 with housing 5, and make the handle 361 of operating parts 36 stretch out the elongated hole 51 of housing 5.
Complete after installation, move operation part 36 is to a side of elongated hole 51, and brake member 33 and actuator 32 can be in the first cooperation positions, and fastener 34 props up wheel 41 to complete brake; And move operation part 36 is to opposite side, brake member 33 and actuator 32 can be in the second cooperation positions, and fastener 34 discharges wheel 41 to remove brake.
Below in conjunction with diagram, the operation principle of braking mechanism 3 of the present invention is further described.
Refer to shown in Fig. 5 and Fig. 6, when brake, two operating parts 36 on outside mobile children dinning chair 1 are to the side of elongated hole 51 as shown by arrows, operating parts 36 drives brake member 33 to rotate around mounting rod 31 linkedly, makes projection 332 on brake member 33 depart from the groove 322 on actuator 32 and is resisted against the surface 323 of actuator 32.Meanwhile, actuator 32 pressurizeds and reaction force is put on to brake member 33, make the stressed fastener 34 that presses to of brake member 33, order about fastener 34 to press down along mounting rod 31, until its flange 343 props up wheel 41.And be butted on the also pressurized compression along with pressing down of fastener 34 of elastic component 35 between wheel holder 42 and the holding tank 342 of fastener 34, and its screen resilience reaches brake member 33 by heading on the holding tank 342 of fastener 34 by power, make projection 332 on brake member 33 be tight against the surface 323 of actuator 32.
Refer to shown in Fig. 7 and Fig. 8, when release the lock, move inward as shown by arrows two operating parts 36 on children dinning chair 1 side to elongated hole 51, operating parts 36 drives brake member 33 to rotate around mounting rod 31 linkedly, and the projection 332 on brake member 33 is placed in the groove 322 on actuator 32.Now, elastic component 35 is compressed, and its elastic pressure makes it head on fastener 34 to move up, and power is reached to brake member 33.Make the projection 332 on brake member 33 be placed in the groove 322 on actuator 32, thereby the flange 343 of fastener 34 is braked to remove away from wheel 41, ensure that wheel 41 is in active state.
In conjunction with most preferred embodiment, invention has been described above, but the present invention is not limited to the embodiment of above announcement, and should contain the various amendments of carrying out according to essence of the present invention, equivalent combinations.
Claims (12)
1. a braking mechanism, is mounted on a wheel assembly, and described wheel assembly comprises a wheel and the wheel holder with described wheel pivot joint, it is characterized in that, described braking mechanism comprises:
One mounting rod, described mounting rod extends from described wheel holder;
One brake member;
One actuator, described brake member and actuator are all enclosed within on described mounting rod, have the first cooperation position and the second cooperation position between described brake member and actuator;
One fastener, is enclosed within on described mounting rod and stretches to described wheel;
One elastic component, is enclosed within on described mounting rod, and described elastic component flexibly orders about described brake member and coordinates with described actuator, and described elastic component also flexibly orders about described brake member and described fastener is tight against mutually; And
One operating parts, is located in described brake member and the described actuator one in the two, and the rotation of described operating parts drives described brake member and described actuator to change between the first cooperation position and the second cooperation position; When described brake member and described actuator are during in described the first cooperation position, the described fastener described wheel of conflicting; When described brake member and described actuator are during in described the second cooperation position, described fastener moves apart in described wheel.
2. braking mechanism as claimed in claim 1, it is characterized in that, the one of the surface that described brake member and described actuator mate with each other in the two protruded out several projections, and the another one of the surface that described actuator and described brake member mate with each other in the two offers several grooves; When described brake member and described actuator are during in described the second cooperation position, described projection screws in described groove; When described brake member and described actuator are during in the first cooperation position, described projection screws out described groove.
3. braking mechanism as claimed in claim 2, is characterized in that, it is outward-dipping from top to bottom that described projection is positioned at two relative side in rotation direction, and described groove has the shape of mating with described projection.
4. braking mechanism as claimed in claim 1, is characterized in that, described fastener is between described wheel holder and described brake member.
5. braking mechanism as claimed in claim 4, is characterized in that, described elastic component is butted between described wheel holder and described fastener.
6. braking mechanism as claimed in claim 5, it is characterized in that, described fastener has the connecting hole coordinating with described mounting rod near one end of described brake member, described fastener has near one end of described wheel holder the holding tank that aperture is greater than described connecting hole, and one end of described elastic component is housed in described holding tank.
7. braking mechanism as claimed in claim 6, it is characterized in that, described fastener is near the end of described wheel holder outwardly to downward-extension one flange, and described flange stretches to described wheel, when described brake member and described actuator are during in the first cooperation position, described flange props up described wheel.
8. braking mechanism as claimed in claim 1, is characterized in that, one end of described operating parts is connected in described brake member, and the other end of described operating parts has leader.
9. a children dinning chair, there is a bracing frame and a wheel assembly, it is characterized in that, described children dinning chair also has the braking mechanism as described in claim 1 to 8 any one, described braking mechanism is installed between described wheel assembly and support frame as described above, and described wheel assembly comprises a wheel and the wheel holder with described wheel pivot joint.
10. children dinning chair as claimed in claim 9, is characterized in that, offers the through hole of opening surface to described wheel on described wheel holder, and described fastener stretches into described through hole, and described fastener can pass described through hole and the described wheel of conflicting.
11. children dinning chairs as claimed in claim 9, it is characterized in that, the lower end of support frame as described above is provided with a fixed block, described mounting rod has a cavity, a connection piece is through described cavity, and one end of described connector connects described fixed block, the other end of described connector connects described wheel assembly.
12. children dinning chairs as claimed in claim 9, is characterized in that, the junction of described braking mechanism and support frame as described above is wrapped up by a housing, offer an elongated hole on described housing, and described operating parts stretches out from described elongated hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575676.4A CN103892621B (en) | 2012-12-26 | 2012-12-26 | Braking mechanism and there is the children dinning chair of this braking mechanism |
| GB1322831.7A GB2511611B (en) | 2012-12-26 | 2013-12-23 | Brake mechanism and child chair therewith |
| DE102013227110.7A DE102013227110B4 (en) | 2012-12-26 | 2013-12-23 | Brake mechanism and child seat equipped with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575676.4A CN103892621B (en) | 2012-12-26 | 2012-12-26 | Braking mechanism and there is the children dinning chair of this braking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103892621A true CN103892621A (en) | 2014-07-02 |
| CN103892621B CN103892621B (en) | 2016-11-09 |
Family
ID=50114609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210575676.4A Active CN103892621B (en) | 2012-12-26 | 2012-12-26 | Braking mechanism and there is the children dinning chair of this braking mechanism |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103892621B (en) |
| DE (1) | DE102013227110B4 (en) |
| GB (1) | GB2511611B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314513A (en) * | 2016-08-25 | 2017-01-11 | 马卓娅 | Movable frame of planter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020134378A1 (en) | 2020-12-21 | 2022-06-23 | Wanzl GmbH & Co. KGaA | luggage and/or shopping carts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6834746B1 (en) * | 2003-11-04 | 2004-12-28 | Ching-Sung Lin | Caster brake system |
| GB2430719A (en) * | 2005-09-28 | 2007-04-04 | Wonderland Nursery Goods | Brake device for pushcart/stroller having a rotary cam |
| CN2900283Y (en) * | 2006-01-20 | 2007-05-16 | 明门实业股份有限公司 | Brake device for child chair |
| CN101934811A (en) * | 2009-06-30 | 2011-01-05 | 宝钜儿童用品香港股份有限公司 | Braking mechanism for a childs pram |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH350774A (en) * | 1957-04-25 | 1960-12-15 | Schnetzler Graf Anton | Braking device on a swivel castor |
| DE202004014197U1 (en) * | 2004-04-16 | 2004-12-02 | Link Treasure Ltd., Tai Pao | Frame for child's high chair comprises front and rear leg frames which can be folded together by lever at top, folding chair being held on legs by connector and adjusting mechanism allowing them to be locked in position |
-
2012
- 2012-12-26 CN CN201210575676.4A patent/CN103892621B/en active Active
-
2013
- 2013-12-23 DE DE102013227110.7A patent/DE102013227110B4/en active Active
- 2013-12-23 GB GB1322831.7A patent/GB2511611B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6834746B1 (en) * | 2003-11-04 | 2004-12-28 | Ching-Sung Lin | Caster brake system |
| GB2430719A (en) * | 2005-09-28 | 2007-04-04 | Wonderland Nursery Goods | Brake device for pushcart/stroller having a rotary cam |
| CN2900283Y (en) * | 2006-01-20 | 2007-05-16 | 明门实业股份有限公司 | Brake device for child chair |
| CN101934811A (en) * | 2009-06-30 | 2011-01-05 | 宝钜儿童用品香港股份有限公司 | Braking mechanism for a childs pram |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314513A (en) * | 2016-08-25 | 2017-01-11 | 马卓娅 | Movable frame of planter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103892621B (en) | 2016-11-09 |
| DE102013227110A1 (en) | 2014-06-26 |
| GB2511611B (en) | 2018-12-12 |
| GB2511611A (en) | 2014-09-10 |
| DE102013227110B4 (en) | 2020-07-09 |
| GB201322831D0 (en) | 2014-02-12 |
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