CN103640655A - Knee walker - Google Patents
Knee walker Download PDFInfo
- Publication number
- CN103640655A CN103640655A CN201310264318.6A CN201310264318A CN103640655A CN 103640655 A CN103640655 A CN 103640655A CN 201310264318 A CN201310264318 A CN 201310264318A CN 103640655 A CN103640655 A CN 103640655A
- Authority
- CN
- China
- Prior art keywords
- framework
- knee
- pillar
- support platform
- attached
- 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.)
- Granted
Links
- 210000003127 knee Anatomy 0.000 title claims abstract description 129
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 47
- 210000002414 leg Anatomy 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000036541 health Effects 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 8
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- 238000007373 indentation Methods 0.000 description 11
- 230000014509 gene expression Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 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 description 6
- 210000003813 thumb Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000014616 translation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 208000027502 Ankle fracture Diseases 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- 201000005569 Gout Diseases 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000021945 Tendon injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000005195 poor health Effects 0.000 description 1
- KNVAYBMMCPLDOZ-UHFFFAOYSA-N propan-2-yl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OC(C)C KNVAYBMMCPLDOZ-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/023—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/08—Cycles with handlebars, equipped with three or more main road wheels with steering devices acting on two or more wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
Knee walker assemblies and methods of manufacturing a knee walker assembly are provided herein. A knee walker assembly is disclosed that includes a frame with a handle mounted to the frame. At least one rear wheel is mounted to the frame proximate the rear end thereof. At least one front wheel is mounted to the frame proximate the front end thereof. The knee walker assembly also includes a support platform configured to support a portion of an appendage. A collapsible stanchion arrangement movably mounts the support platform to the frame. The collapsible stanchion arrangement includes a trolley and a first stanchion attached at a first end thereof to the support platform and attached at a second end thereof to the trolley. The trolley is slidably mounted to the frame such that movement of the trolley relative to the frame operates to adjust the vertical height of the support platform.
Description
Technical field
The disclosure relates to the walk supporting device for health obstacle person on the whole, and more specifically, relates to the many wheels knee walk helper assembly for auxiliary individuals with disabilities's walking.
Background technology
Human body geneogenous, degenerated and unexpected injury may cause in poor health, sometimes cause people in the ability that loses walking without auxiliary in the situation that.The various motions that are designed to auxiliary individuals with disabilities from mule carriage, scooter, walk helper etc.The most well-known wheelchair that is exemplified as of these devices, it generally includes by rigid frame and is connected to four seats on bogie wheel.Wheelchair is rendered as motorization modification and manual drives modification, and wherein wheelchair is advanced by motor in last situation, or in a rear situation, by passenger, utilizes hand rotating drive wheel and advance.
For assisting the another kind of device of individuals with disabilities's motion, it is knee walk helper.Knee walk helper is intended to conventionally for user injured below knee, for example achilles tendon injury, pin or ankle fracture or gout.Knee walk helper is designed to promote and support non-step, makes user can utilize step to advance simultaneously.Most of knee walk helpers comprise the knee platform of the rising being arranged on rigidly on bearer frame, and bearer frame and platform all can operations on castor or wheel.There is the knee walk helper of three kinds of common types: (1) has rigidity mounting wheel and there is no the knee walk helper assembly of steering capability; (2) the knee walk helper assembly that there is rigidity mounting wheel and can turn to; And (3) have the knee walk helper assembly that turns round mounting wheel and there is no steering capability.
A kind of known knee walk helper assembly comprises and is designed for supporting people's shank and the four-wheel assisting walking cart of foot.Go-cart comprises framework, is connected to the leg part supporting member on described framework and is connected to the handle on described framework.Go-cart has two revolutions front-wheel and two rigidity installation trailing wheels is installed.Two rigidity are installed trailing wheel can be with respect to framework laterally offset between first and second asymmetric wheel location, thereby is suitable for respectively having the personnel of non-step left leg or non-step right leg.
Another kind of known knee walk helper assembly comprises and is designed for supporting people's shank and the four-wheel assisting walking cart of foot.Go-cart comprises framework, is connected to the leg part supporting member on described framework and is connected to movably the handle on described framework.Go-cart has two revolutions front-wheel and two rigidity installation trailing wheels is installed.Handle can move with respect to described framework between first and second asymmetric handling position, thereby is suitable for respectively having the personnel of non-step left leg or non-step right leg.
In another known configuration, provide treatment scooter.Scooter comprises the tubular frame with four rigidity mounting wheels.Wheel assembly comprises front axle and rear axle, and every axle keeps a pair of laterally offset wheel.Steering assembly telescopically is connected on front axle.Steering assembly has the cross bar with handle.Cross bar is provided with stop mechanism to slow down and to stop scooter.
According to the known design of another kind, provide and can turn to the walk helper of squatting, it comprises framework, is connected to steering assembly and deflecting bar on described framework.The walk helper of squatting is bearing on four rigidity mounting wheels movably.Control assembly be connected on deflecting bar so that front-wheel around independent pivotal point rotation.
There is multiple shortcoming and defect in current available knee walk helper assembly.For example, wherein wheel is that the knee walk helper design of 100% rigidity will have limited manipulative capability.If knee walk helper does not have built-in steering capability, whole knee walk helper assembly must be raised and reset and rotate.If knee walk helper has built-in steering capability, for example shop, airport, bathroom etc. may be too large for compact place for the radius of gyration.By contrast, wherein take turns 100% rotating knee walk helper configuration may due to when step does not contact with ground to the limited control of assembly and danger.Feature of the present disclosure has been eliminated the deficiency in these designs.
Accompanying drawing explanation
Detailed description below reading and during with reference to accompanying drawing, various benefits of the present disclosure and advantage will become apparent.
Fig. 1 is according to the isometric view of the exemplary knee walk helper assembly of aspect of the present disclosure;
Fig. 2 is the exploded block diagram of a part of the knee walk helper assembly of Fig. 1.
Fig. 3 is the amplification stereogram of another part of the knee walk helper assembly of Fig. 1.
Fig. 4 be can with the amplification stereogram of the exemplary lock rationed marketing mechanism using together with the knee walk helper of Fig. 1.
Fig. 5 is according to the lateral plan of another representative knee walk helper assembly of aspect of the present disclosure.
Fig. 6 is the exploded block diagram of the knee walk helper assembly of Fig. 5.
Fig. 7 be can with the enlarged side view of the exemplary lock fixed pole mechanism that Fig. 1 is used together with 5 knee walk helper assembly.
Fig. 8 is the amplification stereogram of the exemplary lock price fixing that can use together with 5 knee walk helper assembly with Fig. 1.
Fig. 9 is the amplification stereogram of the exemplary deflecting plate that can use together with 5 knee walk helper assembly with Fig. 1.
Although the present invention allows various modifications and alternative form, specific embodiment is shown in the drawings and will be described in detail herein as example.But, should be understood that, the invention is not restricted to disclosed concrete form.On the contrary, the present invention is contained to fall all modifications within the spirit and scope of the present invention, is equal to and replaces.
The specific embodiment
Although the present invention allows multiple multi-form embodiment, but shown in the drawings and be exemplary embodiment of the present invention by what describe in detail herein, and should be understood that the disclosure should be regarded as the illustration of principle of the present invention but not is intended to broad aspect of the present invention to be limited to illustrated embodiment.Thus, for example in accompanying drawing, summary and the specific embodiment, disclose but in claims, do not know that the element of explaination and restriction should not be incorporated in claim separately or jointly with hint, reasoning or other modes.In this manual, unless denied specially, singlely comprise a plurality ofly, vice versa; Word " with " the two should represent arranged side by side or separated with "or"; Word " all " expression " arbitrary and all "; Word " arbitrary " expression " arbitrary and all "; Word " comprises " expression " comprise and unrestricted ".And, the approximate word such as " approximately ", " almost ", " substantially ", " being similar to " etc. using in this article for example represents following implication: " equal, approach or approach and equal ", or " in ± 3-5% ", or " within the scope of receivable production tolerance ", or their arbitrary logical combination.
With reference to accompanying drawing, wherein identical Reference numeral represents similar parts in the accompanying drawings all the time, and Fig. 1 shows according to the isometric view of the exemplary knee walk helper assembly (on the whole with 10 expressions) of various aspects of the present disclosure.The accompanying drawing providing herein not in proportion, and is provided just to the object explained.Thus, the independent and relative size shown in the accompanying drawings and direction are not considered as restriction.In addition, space adjective such as 'fornt', 'back', " forward ", " backward ", " making progress ", " downwards " in specification sheets and claims unless etc. use clearly state in addition, be intended to regulation to limiting-members on being operably mounted into knee walk helper assembly time with respect to the relative orientation of knee walk helper assembly.
Knee walk helper assembly 10 is intended to for (although is not limited to) auxiliary health impedient people walking itself.In the illustrated embodiment, knee walk helper assembly 10 comprises: rigid frame (on the whole with 12 expressions), be installed to support platform 14, handle or handle 16 on framework 12, near the rearward end of framework 12, be installed at least one trailing wheel 18 on framework 12 and for example, near at least two front-wheels (, being respectively off front wheel 20A and the near front wheel 20B) that are installed to the leading section of framework 12 on framework 12.Framework 12 is made by rigid material ideally, and this material can include but not limited to that metal is such as aluminium and steel, poly-mer such as polyvinylchloride (PVC) and polyethylene terephthalate (PET), glass fiber compound material etc.Framework 12 is shown in the drawings is to comprise the tubular structure with base beam 22 two basic horizontal, machine-direction oriented, and base beam 22 is connected and is connected with the wheel bearing 26 of side direction orientation at rear portion with the crossbeam 24 of side direction orientation in front portion.Front axle 28 extends laterally across the front portion of framework 12, via corresponding upwardly extending connecting rack 30(wherein only one visible in the accompanying drawings, but the second connecting rack also arranges in graphic framework 12) be installed to rigidly in each in base beam 22.Optional end plug can be inserted into the open end of base beam 22, crossbeam 24 and/or other open tube ends for attractive in appearance and/or security purpose.
Understandably, framework 12 can comprise than illustrating still less or more various beam in Fig. 1.In addition, the length of framework 12, width and height can be modified, to be for example suitable for specific user and/or the expection application of knee walk helper assembly 10.Similar conception to be enough optional structure example of one or more energy in beam substitute as substrate or case.For this reason, base beam 22 and crossbeam 24 are illustrated as elongated hollow tube in the accompanying drawings; Alternatively, beam 22,24 can be fabricated to pole spar, and can adopt optional geometric configuration.
Continuation is with reference to the exemplary embodiment of Fig. 1, and each in front-wheel 20A, 20B is turned round installation (that is, with rotary type, configuration being installed attached) to front axle 28.While using in this article, " turn round and install " and " rotary type installation configuration " are intended to the mounting structure that represents that wherein wheel can rotate and rotate around non-rolling axis around rolling axis.For example, each in front-wheel 20A, 20B connects (for example, via wheel pin or roller bearing) to corresponding revolution fork 32, and making to take turns 20A, 20B can rotate by Rao Qi center rolling axis A1.Revolution fork 32 is connected on front axle 28 via swivel coupling 34 again.Swivel coupling 34 can turn round around non-rolling axis A2 revolution fork 32, and axis A2 lateral deviation is in front axle 28 center and through the diametral plane of taking turns 20A, 20B.In other words, front-wheel 20A, 20B can roll and turn round around axis A2 around axis A1 when installing in configuration in rotary type, and axis A2 is approximately perpendicular to axis A1.When along straight-line motion, revolution mounting wheel 20A, 20B will be tending towards with direct of travel auto-alignment and be parallel to this direction rotation.
Compare with front-wheel 20A, 20B, trailing wheel 18 is depicted as with rigid type the rear portion that configuration is attached to framework 12 is installed.While using in this article, " rigidity installation " and " rigid type installation configuration " is intended to when relating to wheel represent that wherein but wheel can rotate with respect to wheel installation portion take turns the mounting arrangements that installation portion is limited to rotate freely with respect to framework.For example, trailing wheel 18 is for example rotatably installed on machine-direction oriented base beam 22 via wheel bearing 26, and making to take turns 18 can rotate by Rao Qi center rolling axis A3.But, being different from front-wheel 20A, 20B, trailing wheel 18 can not be around non-rolling axis at roller bearing 26 upper rotaries.In certain embodiments, for example in Fig. 1 in illustrated embodiment, knee walk helper assembly 10 has single trailing wheel 18, and this single trailing wheel 18 is longitudinally-spaced with front-wheel 20A, 20B and aim at front-wheel 20A, 20B center.
Support platform 14 is configured to support at least one human body appendage.In the illustrated embodiment, for example, support platform 14 is designed to prop up and keep in the operating period of knee walk helper assembly 10 user's non-step shank.In the illustrated embodiment, for example, the support platform 14 of Fig. 1 comprises the mat 36 on the upper surface that is fixed to flat base 38.Mat 36 can comprise and is for example coated with vinyl compound or molded plastics body or the foam core of other suitable materials arbitrarily.
According to an aspect of the present disclosure, support platform 14 is vertical adjustable (that is, can be increased or decreased) with respect to framework 12.In an illustrative configuration, support platform 14 is installed in foldable legs structure (in Fig. 1 on the whole with 40 expressions).Foldable legs structure 40 comprises a pair of pivoting strut 42, and pillar 42 is attached to pivotly on pedestal 38 at first end place separately and at the second end place separately, is attached to pivotly on the base beam 22 of framework 12.Foldable legs structure 40 also comprises pair of sliding pillar 44, and pillar 44 is attached to pivotly on pedestal 38 and at the second end place separately and is attached to pivotly on movable carriage 46 at first end place separately.Balladeur train 46 is installed on base beam 22 slidably for straightaway between the leading section at framework 12 and rearward end.Balladeur train 46 is configured to regulate the vertical height of support platform 14.Particularly, make balladeur train 46 (that is, the left side in Fig. 1) slides forward on framework 12 that to cause pivoting strut 42 and slipping column 44 to fold in scissor-shaped mode over each other, thereby support platform 14 is pulled towards base beam 22 downwards.On the contrary, make balladeur train 46 in opposite direction towards the rearward end of framework 12 (, the right in Fig. 1) slip meeting pulls the first and second ends of pivoting strut 42 respectively together with the first and second ends of slipping column 44, thus rising support platform 14.Also conception, for example can indentation support column structure or pneumatic cylinder structure for raising and reducing the optional structure of support platform 14.
Knee walk helper assembly 10 is also provided with steering hardware (on the whole with 50 expressions) in certain embodiments, and steering hardware is configured to optionally reset front-wheel 20A, 20B, and knee walk helper assembly 10 can be handled by user.Steering hardware 50 shown in Fig. 1 and Fig. 2 comprises Steering gear 52, and Steering gear 52 is attached on framework 12 and at the second end place and is attached on handle 16 at first end place.Steering gear 52 is through hollow sleeve 58, and hollow sleeve 58 is connected on front axle 28 and base beam 22 in the front end of framework 12.As best finding in Fig. 2, connector board 72 is attached to T shape connecting rod 70 on the bottom of Steering gear 52, and connecting rod 70 is rotated together with Steering gear 52 via the manipulation of handle 16.As following, each lateral end 71 of connecting rod 70,73(Fig. 2) optionally engage with in front-wheel 20A, 20B corresponding one.When joint like this, connecting rod 70 is in response to the rotation of handle 16 and front wheel 20A, 20B in response to the rotation of Steering gear 52 thus.
In another embodiment, handle 16 comprises right handles bar 62A and the left handle bar 62B at the opposite ends place of the upper lateral part that is attached at respectively T-handle installation portion 60.Handle 16 can regulate, to be for example suitable for the user of differing heights and/or to increase compactedness for the memory period at knee walk helper assembly 10.According to an illustrative configuration, the handle installation portion 60 of Fig. 1 is designed to scalable with respect to Steering gear 52.For example, the downward extendible portion of T-handle installation portion 60 receives slidably by being arranged in the opening of hollow space of the upper segment 53 of Steering gear 52.Be provided with lock screw 64, its can reset so that user can regulating handle installation portion 60 with respect to the position of Steering gear 52.For example, the rotation of lock screw 64 (for example, in the counterclockwise direction) will be released the handle installation portion 60 of loosing one's grip, thereby allow its longitudinal translation turnover Steering gear 52.Once be oriented in the position of expectation, the rotation of (for example, cw) will be by 60 mechanical cagings of handle installation portion in selected orientation in opposite direction for lock screw 64.Any in multiple alternative coupling mechanism can easily be used as substitute (for example quick connection lock is determined device or spring-biased stop pin) of lock screw 64.In addition, optional handle arrangement, wheel or other turn to configuration in optional embodiment, to use.In addition, knee walk helper assembly 10 can be provided with optional stop mechanism (not shown), and stop mechanism can operate to slow down and/or stop knee walk helper assembly 10.
Two front-wheel 20A, 20B of knee walk helper assembly 10 are all configured to install between configuration and rigid type installation configuration and optionally switch at rotary type.The knee walk helper assembly 10 of Fig. 1-3 comprises that variable installation component (in Fig. 2 on the whole with 74 expressions) is for installing front-wheel near the leading section at framework 12 in certain embodiments.Variable installation component 74 is designed to that two front-wheel 20A, 20B are simultaneously or almost simultaneously installed to transformation of configuration from rotary type, to rigid type, configuration is installed, and changes.In certain embodiments, knee walk helper assembly 10 comprises lockout mechanism, and lockout mechanism optionally engages with front-wheel 20A, 20B so that by two front-wheel 20A, 20B simultaneously or be locked in rigid type and install in configuration substantially simultaneously.This provides and has had all advantages (for example, the road-holding property of increase) that front-wheel is installed in revolution to knee walk helper assembly 10, has eliminated simultaneously and has had the shortcoming (for example, limited control) that only the knee walk helper assembly of front-wheel is installed in revolution.
As above-mentioned, front-wheel 20A, 20B are by turning round fork 32 and swivel coupling 34 revolution is installed on framework 12.In Fig. 2 and Fig. 3 the easiest appreciiable locking disk 76 for example via compression sleeve 78 and lining and nut combinations 79(, the two is all a part for swivel coupling 34) be rigidly secured on top of each revolution fork 32.Each locking disk 76 comprises that hole 77(is easily visible in Fig. 2, but mark in Fig. 3 only), hole 77 is shaped to and is sized to and receives stop pin 86(Fig. 4), to thus corresponding front-wheel 20A, 20B are locked in rigid type installation configuration.
Knee walk helper assembly 10 also comprises a pair of retractable stop pin assembly 80, and as illustrated in Fig. 3 and Fig. 4, each stop pin assembly is installed to and turns on tab 82 at 71,73 places, respective lateral end of connecting rod 70.Each stop pin assembly 80 is configured to and in front-wheel 20A, 20B corresponding one---and be that corresponding locking disk 76 optionally engages, thus front-wheel 20A, 20B are locked in to rigid type, install in configuration.Particularly, as Fig. 3 and seen in fig. 4, each retractable stop pin assembly 80 comprise attached (for example,, via fastener or welding) to locking the general hollow in tab 82, cylindrical shell 84.Stop pin 86 is arranged in housing 84 slidably at least in part.Biasing member for example Compress Spring (invisible in provided view) is arranged in housing 84.Biasing member urges stop pin 80 in the position of extending, in the distal portion of this place stop pin 86 from housing 84(as seen in Figure 4) extend out, arrival locking disk 76(is as seen in Figure 3) hole 77 in.When stop pin 86 is suitably placed in hole 77 when interior, revolution fork 32 is limited to around non-rolling axis A2 and rotates freely.Thus, each is taken turns 20A, 20B and can, with respect to revolution fork 32 around its corresponding center rolling axis A1 rotation, but turn round fork 32, can not rotate freely with respect to front axle 28 (that is, " revolution ")---and, wheel is in " rigid type installation configuration ".
In certain embodiments, when front-wheel 20A, 20B are when rotary type is installed in configuration, steering hardware 50 can not operate, for example, because connecting rod 70 is thrown off with wheel 20A, 20B.In optional configuration, knee walk helper assembly can comprise steering lock mechanism, and steering lock mechanism can operate that steering hardware 50 is locked or otherwise fixes in place.An exemplary design comprises steering lock rationed marketing, and steering lock rationed marketing is for example operably mounted on framework 12 by U-shaped mounting bracket.Actuator cable is attached in actuator lever 98 at one end thereof place, and is attached on the close end of steering lock rationed marketing at its place, the other end.For example, when bar 98 activates (, pulling back) by user, as above-mentioned, two retractable stop pin assemblies 80 are all thrown off with locking disk 76.In addition, when bar 98 activated, the distal portion of steering lock rationed marketing engages with connecting rod 70---for example, via the complementary cavity or the hole that are arranged in a part for connecting rod 70, receive.For example, steering lock rationed marketing can be installed on U-shaped mounting bracket movably by pivot plate.In this case, stop pin is attached at the first lateral end place of pivot plate and actuator cable is attached at the second contrary lateral end place of pivot plate.Pivot plate is pivotally mounted to U-shaped support (for example,, via hinge or pin) with around its central rotation.The first lateral end of pivot plate can for example, upwards be urged by biasing member (, Compress Spring), makes engaging of the biased disengaging of steering lock rationed marketing and connecting rod 70.But when bar 98 activated, tensile force is applied on actuator cable, this tensile force is delivered on the second lateral end of pivot plate.This tensile force will make again pivot plate around its central axis rotation, thereby opposing biasing member promotes the first lateral end downwards, thereby steering lock rationed marketing is fed in the hole in connecting rod 70.At this moment, connecting rod 70 locks onto on framework 12 rigidly.Steering gear 52 locks onto on framework 12 rigidly via connector board 72 thus, and connector board 72 is attached to T shape connecting rod 70 on the bottom of Steering gear 52.Like this, steering hardware 50 can not be reset by user (or rotate).
In certain embodiments, when front-wheel 20A, 20B are when can indentation stop pin assembly 80 releasing pine, they can operate around non-rolling axis A2 pivotable, to be less than about 360 degree.In certain embodiments, when front-wheel 20A, 20B are when can indentation stop pin assembly 80 releasing pine, they can operate around non-rolling axis A2 pivotable, to be less than about 160 degree.The range of pivot of front-wheel 20A, 20B can be by interior and restricted to knee walk helper assembly 10 by stopper section or other suitable structure assemblies.Alternatively, when front-wheel 20A, 20B are when can indentation stop pin assembly 80 releasing pine, they can operate with around the free pivotable of non-rolling axis A2.
According to another aspect of the present disclosure, provide a kind of improving one's methods of knee walk helper assembly of manufacturing.In certain embodiments, the method comprises: support platform is installed on rigid frame, and described support platform is configured to support at least one human body appendage; Handle is installed on framework; At least one trailing wheel is arranged near the rearward end of framework; At least two front-wheels are arranged near the leading section of framework, make front-wheel to install between configuration and rigid type installation configuration and to change at rotary type; Lockout mechanism is attached on framework, and described lockout mechanism is configured to be locked in rigid type by two at least two front-wheels substantially simultaneously and installs in configuration.
In certain embodiments, the method for manufacture knee walk helper assembly is at least included in those steps of determining in aforementioned paragraphs.Omit step, comprise other step and/or revise said sequence also in scope and spirit of the present invention.For example, in certain embodiments, described method also comprises steering hardware is installed on framework, at least two front-wheels described in described steering hardware is configured to optionally reset.Should also be noted that the single order of described method representative manufacture knee walk helper assembly.But, be contemplated that described method implemented to manufacture a plurality of knee walk helper assemblies systematically.Although the method is described for graphic structure in Fig. 1-Fig. 4 in this article, disclosure method required for protection is not limited to these exemplary embodiments.
Fig. 5 is the lateral plan that is totally expressed as another representative knee walk helper assembly of 100 according to aspect of the present disclosure.Knee walk helper 100 can be in the above describe about the illustrative knee walk helper 10 in Fig. 1-4 multi-form, optional configuration and function replacement mode any (vice versa), thereby can comprise arbitrary corresponding selection, substitutes and feature.In this respect, knee walk helper assembly disclosed herein can comprise multiple interpolation, substitute and other known peripheral components and do not depart from desired extent of the present disclosure and spirit.Because these parts are all well known in the art, no longer describe in further detail.
Knee walk helper assembly 100 shown in Fig. 5 and 6 comprises: rigid frame (on the whole with 112 expressions), the support platform 114, the operation that are movably installed on framework 112 are installed to handle or the handle 116 on framework 112.At least one trailing wheel 118 is rotatably being installed near the rearward end of framework 112 on framework 112, and at least two front-wheels (for example, being respectively off front wheel 120A and the near front wheel 120B) are rotatably being installed on framework 112 near the leading section of framework 112.In certain embodiments, knee walk helper assembly 110 only has single trailing wheel 118, and this single trailing wheel is aimed at two the longitudinally-spaced Qie Yuqi of front-wheel 120A, 120B centers.Framework 112 is shown in the drawings is to comprise the tubular structure with base beam 122 two basic horizontal, machine-direction oriented, base beam 122 is connected with the front axle 128 of side direction orientation in front portion, and is connected with the wheel bearing 126 of side direction orientation with the crossbeam 124 of side direction orientation at rear portion.Optional poly-mer end plug 130A and 130B can be inserted into the open end of base beam 122 and other open tube ends for attractive in appearance and/or security purpose.
Configuration similar to Figure 1, Fig. 5 and 6 front-wheel 120A, 120B install configuration with swinging and are attached on front axle 128.For example, it is upper to corresponding revolution fork 132A and 132B that each in front-wheel 120A, 120B rotatably connects (for example, via wheel pin or roller bearing), and making to take turns 120A, 120B can for example, rotate around corresponding center rolling axis (the axis A1 of Fig. 1).Each revolution fork 132A, 132B are rotatably connected on front axle 128 via corresponding swivel coupling 134A and 134B respectively again.Swivel coupling 134A, 134B make revolution pitch 132A, 132B can be around corresponding vertically-oriented non-rolling axis (for example, the axis A2 of Fig. 1) rotation, this non-rolling axis lateral deviation is in front axle 128 center and through the diametral plane of taking turns 120A, 120B.Thereby front-wheel 120A, 120B can be around the rotations of center rolling axis and around vertical non-rolling axis revolution when installing in configuration in rotary type.When along straight-line motion, revolution mounting wheel 120A, 120B will be tending towards with direct of travel auto-alignment and be parallel to this direction rotation.
By contrast, trailing wheel 118 is depicted as with rigid type the rear portion that configuration is attached to framework 112 is installed.For example, trailing wheel 118 is rotatably installed on machine-direction oriented base beam 122 via wheel bearing 126, and making to take turns 118 can for example, rotate around corresponding center rolling axis (, the axis A3 of Fig. 1).But, being different from front-wheel 120A, 120B, trailing wheel 118 can not be around non-rolling axis at roller bearing 126 upper rotaries.Optional configurational energy comprises the trailing wheel that revolution is installed or mixes rigidity revolution configuration is installed.
Fig. 5 and 6 support platform 114 are configured to support at least one human body appendage.In the illustrated embodiment, for example, support platform 114 is designed to prop up and keep in the operating period of knee walk helper assembly 100 bottom of user's non-step shank.The support platform 114 of Fig. 5 comprises the mat 136 of (for example,, via screw) on the upper surface that is fixed to flat base 138.Mat 136 can comprise and is for example coated with vinyl compound or molded plastics body or the foam core of other suitable materials arbitrarily.Alternatively, support platform 114 can be integrally formed with pedestal 138.
Continuation is with reference to Fig. 5 and 6, and the motion of operation balladeur train 146 is to regulate the vertical height of support platform 114.Particularly, make balladeur train 146 on framework 112 forward (for example, the left side in Fig. 5) slide cause pivoting strut 142 and slipping column 144 folding towards framework 112 in scissor-shaped mode, thereby support platform 114 is pulled towards base beam 122 downwards.On the contrary, make balladeur train 146 in opposite direction towards the rearward end of framework 112 (for example, the right in Fig. 5) slip meeting pulls the first and second ends of pivoting strut 142 respectively towards the first and second ends of slipping column 144, thus rising pedestal 138 thereby rising support platform 114.
Fig. 5 and 6 foldable legs structure 140 can comprise for support platform 114 being fixed on to the vertically locking tool of height of expectation.According to example shown, securing rod 198 is attached at least one in slipping column 144 pivotly, or the inside face place of two in the embodiment shown.In Fig. 7, best appreciiable securing rod 198 comprises the elongated asymmetric body with tooth-like part 195, and this body is connected to handle portion 197 by curved neck 199.Optional finger-like post 167 vertically stretches out to be provided for the improved grip area of operable lock fixed pole 198 from the near-end of handle portion 197.A plurality of circular troughs 166 extend through handle portion 197 and neck 199.As shown in the figure, by making pivotal pin 191 through slipping column 144 and through a circular trough 201 in handle portion 197 or neck 199, securing rod 198 is attached to foldable legs structure 140 pivotly.On the other hand, tooth-like part 195 comprises a plurality of teeth 168, and tooth 168 is configured to receive betwixt attachment pin 193 and be mated, and attachment pin 193 is extended between the inside face of pivoting strut 142.Alternatively, securing rod 198 can be attached to one or two of pivoting strut 142 pivotally.
Fig. 5 illustrates securing rod 198, and securing rod 198 is connected to slipping column 144 by pivoting strut 142, makes support platform 114 be fixed on Desired Height.Particularly, securing rod 198 can selectivity rotate (for example, along the clockwise direction in Fig. 5), so that attachment pin 193 is inserted between two teeth 168.Like this, restriction pillar 142,144 rotates around link pin 149, thereby prevents that balladeur train from striding across framework 112 and slidably reciprocating.In order to change the height of support platform 114, user can upwards pull the handle portion 197 of finger-like post 167 and/or securing rod 198, this causes tooth-like part 195 away from attachment pin 193 rotations (for example, along the anticlockwise direction in Fig. 5), and then causes tooth 168 to depart from attachment pin 193.After support platform 114 moves to new Desired Height, securing rod 198 just can rotate that attachment pin 193 is inserted between two securing rod teeth 168.
Be similar to knee walk helper assembly 10, knee walk helper assembly 100 also can be provided with steering hardware 150, and this steering hardware is configured to optionally reset front-wheel 120A, 120B, makes user can change the direction of knee walk helper assembly 100.Steering hardware 150 shown in Fig. 5 and Fig. 6 comprises Steering gear 152, Steering gear 152 in first end place operative attachment to framework 112 and in the second end place operative attachment to handle 116.The far-end of Steering gear 152 is rotatably received in vertically-oriented hollow sleeve 158, and hollow sleeve 158 is connected on the leading section of framework 112 via front axle 128.Connector board 172 stretches out from the bottom of Steering gear 152, be positioned at hollow sleeve 158 directly over, and for example via nut-bolt, connect 175 and be attached to pivotly on the connecting rod 170 of transversal orientation.Connector board 172 is attached to connecting rod 170 on Steering gear 152, makes connecting rod 170 left and right sidesing shiftings when Steering gear 152 rotates via the operation of handle 116.As following, each lateral end operative attachment of connecting rod 170 is on corresponding one in front-wheel 120A, 120B.When joint like this, connecting rod 170 is in response to the rotation of handle 116 and front wheel 120A, 120B in response to the rotation of Steering gear 152 thus.
When support platform 114 moves to its minimum altitude, for example make pivoting strut 142 and slipping column 144 roughly parallel to each other and be parallel to base beam 122, and Steering gear 152 moves to its minimum altitude, for example, when striding across the approximate horizontal position that mat 136 arranges, packaging volume and the floor area of Fig. 5 and 6 knee walk helper assembly 100 reduce.In some indefiniteness examples, the packaging volume of folding knee walk helper assembly 100 is approximate 0.13m
3to 0.50m
3, and packaging volume is approximate 0.26m in certain embodiments
3.In certain embodiments, the floor area of knee walk helper assembly 100 is approximate 0.35m
2to 0.75m
2, and floor area is approximate 0.5m in certain embodiments
2.
Knee walk helper assembly 100 can be provided with optional stop mechanism 188, and this stop mechanism can operate to slow down and/or stop knee walk helper assembly 100.For example in the embodiment shown, stop mechanism 188 comprises right side hand brake bar 190A and left side hand brake bar 190B, and they are connected to the opposite end place of the upper lateral part of handle mounting part 160.Bracing wire 194 is operationally connected to plunger detents 192 by brake rod 190A, 190B, and plunger detents is installed to framework 112 near trailing wheel 118.The actuating of either one or two in brake rod 190A, 190B is delivered to plunger detents 192 by mechanical pulling force through bracing wire 194, cause on the top that can pivotable crawler shoe be forced into trailing wheel 118 of plunger detents 192 and with its frictional engagement.As some optional modification, stop mechanism 188 can utilize single brake rod, can utilize a plurality of plunger detents, can adopt for starting the alternative mechanical device of plunger detents 192, automatically starting plunger detents 192, and can utilize the dissimilar brake assembly (for example, rim brake or plate disc brake) except plunger detents 192.
Two front-wheel 120A, 120B of knee walk helper assembly 100 are all configured to install between configuration and rigid type installation configuration and optionally switch back and forth at rotary type.Fig. 5 and 6 knee walk helper assembly 100 can comprise variable installation component 174, and it can be similar to the above installation component 74 of describing about Fig. 1-4 in design, function and operating aspect.Be similar to installation component 74, Fig. 5 and 6 variable installation component 174 are designed to that two front-wheel 120A, 120B are simultaneously or almost simultaneously installed to transformation of configuration from rotary type, to rigid type, configuration are installed, and transform back into when needed rotary type configuration is installed.In certain embodiments, knee walk helper assembly 100 comprises lockout mechanism, and lockout mechanism optionally engages with front-wheel 120A, 120B so that by two front-wheel 120A, 120B simultaneously or be locked in rigid type and install in configuration substantially simultaneously.This provides and has had all advantages (for example, the road-holding property of increase) that front-wheel is installed in revolution to knee walk helper assembly 100, has eliminated simultaneously and has had the disadvantages associated (for example, limited control) that only the knee walk helper assembly of front-wheel is installed in revolution.
Each in front-wheel 120A, 120B is installed on framework 112 by corresponding revolution fork 132A, 132B and swivel coupling 134A, 134B revolution.In Fig. 8, the easiest appreciiable locking disk 176 is for example rigidly secured on the top of each revolution fork 132A, 132B via pair of screws.Two locking disks 176 all comprise that hole 177(is separately easily visible in Fig. 6, but mark in Fig. 8 only), hole 177 is shaped to and is sized to reception stop pin 186(Fig. 6), thus corresponding front-wheel 120A, 120B are locked in to rigid type and install in configuration.Be similar to the configuration of above-mentioned knee walk helper 10, Fig. 5 and 6 knee walk helper assembly 100 comprise a pair of retractable stop pin assembly 180A and 180B, for stop pin 186 is engaged and departed from locking disk 176.In the embodiment shown, retractable stop pin assembly 180A, 180B can be equal to the retractable stop pin assembly 80 shown in Fig. 3 and 4 on 26S Proteasome Structure and Function.Therefore, for simplicity, be not described in detail these parts.In some alternate configuration, retractable stop pin assembly 180A and 180B are can be in structure and/or function single or be jointly different from the stop pin assembly 80 of Fig. 3 and 4.
According to the embodiment of Fig. 5 and 6, each retractable stop pin assembly 180A, 180B more clearly see in Fig. 9 by corresponding deflecting plate 182() be movably installed to corresponding in swivel coupling 134A, 134B.In this arrangement, stop pin assembly 180A, 180B are installed to the first end 181 of deflecting plate 182 in vertically-oriented middle rigidity roughly on the rear side of swivel coupling 134A, 134B, make stop pin 186 and to pass in and out the space 177 of locking disk 176 through the first circular hole 183 in deflecting plate 182.The second end 185, the second ends 185 that the second circular hole 187 extends through deflecting plate 182 approach the front side of swivel coupling 134A, 134B.Deflecting plate 182 is for example connected to the connecting rod 170 of transversal orientation via nut, this nut is received and coordinated with complementary bolt by the first circular hole 187.At the first end 181 of deflecting plate 182 and the hex hole between the second end 185 189, receive the complementary lining that runs through this hex hole, this lining is for being rotatably attached to deflecting plate 182 swivel coupling 134A, 134B one.
In the time of when stop pin 186 is gone forward side by side hole 177 through the first circular hole 183 in, corresponding wheel 120A, 120B are locked in rigid type and install in configuration, making to take turns 120A, 120B can rotate freely around its corresponding center rolling axis, but revolution fork 132A, 132B are limited to rotate freely around non-rolling axis.Yet when stop pin 186 is placed in hole 177, deflecting plate 182 mechanical attachment are to locking disk 176, making turning effort can transmit betwixt and take turns 120A, 120B can rotate via steering hardware 150.When stop pin 186 is during from hole 177 indentation, corresponding wheel 120A, 120B is released to rotary type configuration is installed, and making to take turns 120A, 120B can be around its corresponding center rolling axis rotation, and revolution fork 132A, 132B can be around non-rolling axis rotations.Yet when stop pin 186 indentation, deflecting plate 182 no longer can transmit turning effort via stop pin 186 mechanical attachment to locking disk 176 betwixt.Thereby, at least some embodiment, when front-wheel 120A, 120B are when rotary type is installed configuration, steering hardware 150 can not be operated.And, can for example by stop mechanism 188, come adjusting knurl 120A, 120B around the whole degree of freedom of its rolling axis rotation (in rigidity or revolution installation).Equally, describe in further detail as follows, in the time of can be for example regulating revolution fork 132A, 132B in revolution is installed by locking disk 176 around the rotating whole degree of freedom of its non-rolling axis separately.
Knee walk helper assembly 100 comprises actuating lever (here with thumb trigger 178 representatives), and it is for departing from two stop pins 186 and be re-engaged with locking disk 176 from locking disk 176.As shown in the figure, thumb trigger 178 is attached to handle 116 near right handle 162A.Tractor cable 188 is from thumb trigger 178 tunnels through sheath cover 190 and be for example attached to the close end of stop pin 186 via the cable adaptor union 94 of Fig. 4.The startup of thumb trigger 178 (can comprise and press thumb trigger 178 so that it rotates to second " startup " position from first " stopping using " position) can apply tension force to tractor cable 188.Tension force for example upwards pulls two stop pins 186 through tractor cable 188 and departs from and the engaging of locking disk 176, thereby installs and discharge front-wheel 120A, 120B from rigidity.Two wheels 120A, 120B are switched to rotary type substantially simultaneously configuration are installed, therefore can be around center rolling axis rotations separately, and two revolution forks 132A, 132B can rotate freely around non-rolling axis separately.
For optional security feature, thumb trigger 178 can be made tractor cable 188 to stop pin 186, not apply tension force by towards first " stopping using " position spring bias voltage, and stop pin 186 keeps engaging with its locking disk 176 separately.Like this, knee walk helper 100 is defaulted as rigid type configuration is installed, making to take turns 120A, 120B can still can turn to via steering hardware 150 although 132A, 132B are pitched in revolution around center rolling axis rotation separately, but is limited to rotate freely around non-rolling axis separately.
When front-wheel 120A, 120B are discharged into revolution installation by retractable stop pin assembly 180, the rotary freedom of revolution fork 132A, 132B can be defined as pivotable in predetermined rotating range.In indefiniteness example, post 179 generally perpendicularly stretches out (for example Fig. 5 and 6, stretching out) downwards from the second end 185 of deflecting plate 182.The first shoulder 173A and the second shoulder 173B are around the periphery circumferentially spaced of locking disk 176.The locking disk 176 of installing with the revolution of its common rotation of revolution fork 132A, 132B separately when being installed by rigidity is when non-rolling axis rotation, the rotary freedom of revolution fork 132A, 132B is limited by post 179, thereby post 179 engages being further rotated of limitation lock price fixing 176 with shoulder 173A and 173B.In certain embodiments, when front-wheel 120A, 120B are discharged by retractable stop pin assembly 180, revolution fork 132A, 132B are limited and are less than 360 degree around non-rolling axis pivotable.In other embodiments, revolution fork 132A, 132B are limited and are less than 160 degree around non-rolling axis pivotable, for example therefrom left 80 degree of mind-set and to the right 80 degree.Certainly, the rotary freedom of revolution fork 132A, 132B being restricted to other predetermined rotating range also falls in the scope of the present disclosure and aim.Alternatively, can allow revolution fork 132A, 132B when rotating freely, not to have any restriction when revolution is installed.
Knee walk helper assembly 100 also can be provided with some optional security features.In indefiniteness example, knee walk helper assembly 100 can comprise one or more safety reflecting mirror for rears so that knee walk helper assembly 100 is more easily seen by other people, particularly between dusk, dawn and night used life.Safety reflecting mirror for rear can have back reflective apparatus or from the character of light equipment or arbitrary other appropriate device.As another selection or alternative, knee walk helper assembly 100 can comprise reflecting coating.
Following exemplary embodiment of the present invention is not in order to represent each embodiment of the present invention or each aspect.From following example, will be more prone to clear more of the present invention above disclosed feature and advantage and further feature and advantage.
According to an embodiment of the present disclosure, a kind of knee walk helper assembly is disclosed, it comprises having the framework of support platform and be installed to the handle on framework.At least one trailing wheel is installed on described framework near the rearward end of described framework, and at least two front-wheels are all installed on described framework near the leading section revolution of framework.Lockout mechanism operationally engages with at least two front-wheels.Lockout mechanism is configured to that two front wheel locks are fixed on to rigid type and installs in configuration.
According to an optional aspect, lockout mechanism comprise at least two can indentation stop pin assembly, each can indentation stop pin assembly be installed on described framework and be configured to and optionally engages with in two front-wheels corresponding one, thus corresponding front wheel lock is fixed on to described rigid type and installs in configuration.
Alternatively, lockout mechanism also can comprise at least two locking disks, each locking disk install for rotation together with corresponding of at least two front-wheels, and be configured to can indentation stop pin assembly in corresponding one coordinate, thus corresponding front wheel lock is fixed on to described rigid type and installs in configuration.
Alternatively, each can comprise by indentation stop pin assembly: housing; Be slidably mounted at least in part the pin in described housing; The biasing member that described pin is released from described housing; And be configured to described pin to draw in the tractor cable in described housing.
According to another optional aspect, knee walk helper assembly can comprise at least two revolution forks, and each revolution fork is installed on framework corresponding one of front-wheel.Revolution fork is all configured to the non-rolling axis rotation around separately, and at least two front-wheels are all configured to the rolling axis rotation around separately.
Alternatively, when front-wheel is locked by described lockout mechanism, restriction revolution fork rotating freely around non-rolling axis.
Alternatively, two front-wheels, when being discharged by lockout mechanism, can operate to be less than 360 degree around non-rolling axis pivotable.
Alternatively, lockout mechanism can comprise single actuating lever, and described actuating lever is configured to make described lockout mechanism and two front-wheels optionally to depart from.
Another embodiment of the present disclosure is intended to a kind of for helping the knee walk helper assembly of health impedient people walking.This knee walk helper assembly comprises rigid frame, and this rigid frame has the support platform being installed on framework.Support platform is configured to support at least one human body appendage.At least one trailing wheel is installed near the rearward end of described framework.Knee walk helper assembly also comprises at least two front-wheels.Variable installation component is installed described at least two front-wheels near the leading section of described framework.At rotary type, configuration is installed, with rigid type, transformations simultaneously between configuration is installed for two described in variable installation component is configured to make at least two front-wheels.
Another embodiment of the present disclosure is intended to a kind of method of manufacturing knee walk helper assembly.Described method comprises: support platform is installed on rigid frame, and described support platform is configured to support at least one human body appendage; Handle is installed on described framework; Rearward end near described framework is installed at least one trailing wheel; Leading section near described framework is installed at least two front-wheels, makes described front-wheel to install between configuration and rigid type installation configuration and to change at rotary type; And lockout mechanism is attached on described framework, described lockout mechanism comprises single actuating lever, this actuating lever is attached on handle, and is configured to two in described at least two front-wheels to be locked in described rigid type installation configuration substantially simultaneously.
According to another embodiment, provide a kind of knee walk helper assembly.This knee walk helper assembly comprises framework, and this framework has the handle being installed on framework.At least one trailing wheel is installed near the rearward end of described framework, and at least one front-wheel is installed near the leading section of described framework.Knee walk helper assembly also comprises the support platform of at least a portion that is configured to support appendage.Foldable legs structure is movably installed to support platform on framework.Foldable legs structure comprises balladeur train and the first pillar, and the first pillar is attached to support platform at its first end, at its second end, is attached to balladeur train.Balladeur train is installed to framework slidably, thus operation balladeur train with respect to the motion of framework to regulate the vertical height of support platform.
According to an optional aspect, the first end of the first pillar is attached to support platform pivotly, and the second end of the first pillar is attached to balladeur train pivotly.
According to another optional aspect, foldable legs structure also comprises the second pillar, and the second pillar is attached to support platform pivotly at its first end, at its second end, is attached to pivotly framework.
Alternatively, the first pillar is rotatably attached to the second pillar, makes when balladeur train slides to regulate the vertical height of support platform along framework, and the first and second pillars move in scissor-shaped mode.
Alternatively, the first end of the second pillar is attached to support platform pivotly via slide hinge.
According to another optional aspect, knee walk helper assembly can comprise securing rod, and this securing rod is configured to the first pillar optionally to lock onto the second pillar, makes support platform be fixed on Desired Height.
Alternatively, securing rod can comprise the tooth-like part that is connected to handle portion by neck.Neck is configured to securing rod to be attached to pivotly in the first and second pillars.Tooth-like part is configured to coordinate with another attachment pin of stretching out from the first and second pillars, thus the first pillar is locked onto to the second pillar.
According to another optional aspect, knee walk helper assembly can comprise steering hardware, and described steering hardware is installed on described framework and is operationally attached to described at least one front-wheel, described steering hardware described at least one front-wheel that can operate optionally to reset.
Alternatively, described steering hardware can comprise Steering gear, and described Steering gear is attached on described framework and at its second end place and is attached on described handle at its first end place, and described Steering gear can optionally be reset between stand up position and folding position.
Alternatively, when support platform is in its minimum vertical height and Steering gear during in its minimum folding position, knee walk helper assembly has approximate 0.13m
3to 0.50m
3packaging volume.
According to another optional aspect, at least one front-wheel comprises the first front-wheel and the second front-wheel, and knee walk helper assembly also comprises the first revolution fork and the second revolution fork, and each revolution fork is installed to corresponding front-wheel revolution on framework.Each revolution fork is configured to the non-rolling axis rotation around separately, and front-wheel is all configured to the rolling axis rotation around separately.
Alternatively, knee walk helper assembly can comprise lockout mechanism, and described lockout mechanism is configured to that two front wheel locks are fixed on to rigid type and installs in configuration, thereby restriction revolution fork rotates freely around non-rolling axis.
Alternatively, described lockout mechanism utilizes single actuating lever, so that described lockout mechanism and two front-wheels optionally depart from.
Alternatively, when front-wheel is not locked in rigid type installation configuration, the first revolution fork and the second revolution fork are limited and are less than 360 degree around non-rolling axis pivotable.
Alternatively, when front-wheel is not locked in rigid type installation configuration, the first revolution fork and the second revolution fork are limited and are less than and are similar to 160 degree around non-rolling axis pivotable.
Another embodiment of the present disclosure is intended to a kind of for helping the knee walk helper assembly of health impedient people walking.This knee walk helper assembly comprises rigid frame, and at least one trailing wheel is installed near the rearward end of framework, and at least two front-wheels are installed near the leading section of described framework.Knee walk helper assembly also comprises the support platform of at least a portion that is configured to support people's leg.Foldable legs structure is movably installed to support platform on framework.Foldable legs structure comprises balladeur train, the first pillar and the second pillar being installed to slidably on framework, the first pillar is attached to pivotly support platform and is attached to pivotly balladeur train at its second end at its first end, and the second pillar is attached to pivotly support platform and is attached to pivotly framework at its second end at its first end.Balladeur train is configured to optionally slidably reciprocate along framework, thereby regulates the vertical height of support platform.
Another embodiment of the present disclosure is intended to a kind of method of manufacturing knee walk helper assembly.Described method comprises: handle is attached on rigid frame; Attached at least one trailing wheel of rearward end near described framework; Attached at least two front-wheels of leading section near described framework; Steering hardware is attached on framework, and this steering hardware can operate with at least two front-wheels of selectivity replacement; Support platform is attached in foldable legs structure, and this support platform is configured to support at least a portion of human body appendage; Foldable legs structure is attached on framework, foldable legs structure is movably installed on framework by support platform, foldable legs structure comprises balladeur train and the first pillar, the first pillar is attached to support platform at its first end, at its second end, be attached to balladeur train, balladeur train is installed to framework slidably, thus operation balladeur train with respect to the motion of framework to regulate the vertical height of support platform.
Although described in detail for implementing many exemplary embodiment of the present invention and mode, the technical personnel that the present invention relates to field will be recognized, for implementing various optional design and implementation example of the present invention, fall within the scope of the appended claims.
Claims (20)
1. a knee walk helper assembly, comprising:
Framework, described framework has contrary leading section and rearward end;
Handle, described handle is installed on described framework;
At least one trailing wheel, described at least one trailing wheel is installed on described framework near the described rearward end of described framework;
At least one front-wheel, described at least one front-wheel is installed on described framework near the described leading section of described framework;
Support platform, this support platform is configured to support at least a portion of appendage;
Foldable legs structure, this foldable legs structure is movably installed on framework by support platform, this foldable legs structure comprises balladeur train and the first pillar, the first pillar is attached to support platform at its first end, at its second end, be attached to balladeur train, balladeur train is installed to framework slidably, thus operation balladeur train with respect to the motion of framework to regulate the vertical height of support platform; And
Blocking device, described blocking device operationally connects with described foldable legs structure, and is configured to support platform to be fixed on any height in a plurality of vertical height.
2. knee walk helper assembly as claimed in claim 1, wherein, the first end of described the first pillar is attached to support platform pivotly, and the second end of described the first pillar is attached to balladeur train pivotly.
3. knee walk helper assembly as claimed in claim 2, wherein, described foldable legs structure also comprises the second pillar, the second pillar is attached to support platform pivotly at its first end, at its second end, is attached to pivotly framework.
4. knee walk helper assembly as claimed in claim 3, wherein, described the first pillar is rotatably attached to the second pillar, makes when balladeur train slides to regulate the vertical height of support platform along framework, and the first pillar and the second pillar move in scissor-shaped mode.
5. knee walk helper assembly as claimed in claim 3, wherein, the first end of described the second pillar is attached to support platform pivotly via slide hinge.
6. knee walk helper assembly as claimed in claim 3, wherein, described blocking device comprises securing rod, this securing rod is configured to the first pillar optionally to lock onto the second pillar, makes support platform be fixed on a Desired Height in a plurality of vertical height.
7. knee walk helper assembly as claimed in claim 6, wherein, described securing rod comprises the tooth-like part that is connected to handle portion by neck, described neck is attached in the first pillar and the second pillar pivotly by securing rod, described tooth-like part is configured to coordinate with another attachment pin of stretching out from the first pillar and the second pillar, thus the first pillar is locked onto to the second pillar.
8. knee walk helper assembly as claimed in claim 1, also comprise steering hardware, described steering hardware is installed on described framework and is operationally attached to described at least one front-wheel, described steering hardware described at least one front-wheel that can operate optionally to reset.
9. knee walk helper assembly as claimed in claim 8, wherein, described steering hardware comprises Steering gear, described Steering gear is attached on described framework and at its second end place and is attached on described handle at its first end place, and described Steering gear can optionally be reset between stand up position and folding position.
10. knee walk helper assembly as claimed in claim 9, wherein, described support platform has minimum vertical height and Steering gear has minimum folding position, and when described support platform is in minimum vertical height and Steering gear during in minimum folding position, knee walk helper assembly has approximate 0.13m
3to 0.50m
3packaging volume.
11. knee walk helper assemblies as claimed in claim 1, wherein, described at least one front-wheel comprises the first front-wheel and the second front-wheel, knee walk helper assembly also comprises the first revolution fork and the second revolution fork, each revolution fork is installed to corresponding front-wheel revolution on framework, each revolution fork is configured to the non-rolling axis rotation around separately, and front-wheel is all configured to the rolling axis rotation around separately.
12. knee walk helper assemblies as claimed in claim 11, also comprise lockout mechanism, and described lockout mechanism is configured to that two front wheel locks are fixed on to rigid type and installs in configuration, thereby restriction revolution fork rotates freely around non-rolling axis.
13. knee walk helper assemblies as claimed in claim 12, wherein, described lockout mechanism comprises single actuating lever, this actuating lever is configured to make described lockout mechanism and two revolution forks optionally to depart from, thus release the first front-wheel and the second front-wheel.
14. knee walk helper assemblies as claimed in claim 11, wherein, when front-wheel is not locked in rigid type installation configuration, the first revolution fork and the second revolution fork are limited and are less than 360 degree around non-rolling axis pivotable.
15. knee walk helper assemblies as claimed in claim 11, wherein, described balladeur train comprises a pair of T shape plate being linked together by a plurality of sliding pins.
16. 1 kinds of knee walk helper assemblies for helping health impedient people to walk, this knee walk helper assembly comprises:
Rigid frame, this framework has contrary leading section and rearward end;
At least one trailing wheel, described at least one trailing wheel is installed near the rearward end of framework;
At least two front-wheels, described at least two front-wheels are installed near the leading section of described framework;
Support platform, this support platform is configured to support at least a portion of people's leg; And
Foldable legs structure, this foldable legs structure is movably installed to support platform on framework, and this foldable legs structure comprises:
Be installed to slidably the balladeur train on framework;
The first pillar, this first pillar is attached to pivotly support platform and is attached to pivotly balladeur train at its second end at its first end; And
The second pillar, this second pillar is attached to pivotly support platform and is attached to pivotly framework at its second end at its first end,
Wherein said balladeur train is configured to optionally slidably reciprocate along framework, thereby regulates the vertical height of support platform; And
Blocking device, described blocking device operationally connects with described foldable legs structure, and is configured to support platform to be fixed on any height in a plurality of vertical height.
17. knee walk helper assemblies as claimed in claim 16, wherein, described blocking device comprises securing rod, this securing rod is configured to the first pillar optionally to lock onto the second pillar, makes support platform be fixed on a Desired Height in a plurality of vertical height.
18. knee walk helper assemblies as claimed in claim 16, wherein, described the first pillar is rotatably directly attached to the second pillar, makes when balladeur train slides to regulate the vertical height of support platform along framework, and the first pillar and the second pillar move in scissor-shaped mode.
19. knee walk helper assemblies as claimed in claim 16, wherein, the first end of described the second pillar is attached to support platform pivotly via slide hinge.
20. 1 kinds of methods of manufacturing knee walk helper assembly, described method comprises:
Handle is attached on rigid frame;
Attached at least one trailing wheel of rearward end near described framework;
Attached at least one front-wheel of leading section near described framework;
Support platform is attached in foldable legs structure, and this support platform is configured to support at least a portion of human body appendage;
Foldable legs structure is attached on framework, this foldable legs structure is movably installed on framework by support platform, foldable legs structure comprises balladeur train and the first pillar, the first pillar is attached to support platform at its first end, at its second end, be attached to balladeur train, balladeur train is installed to framework slidably, thus operation balladeur train with respect to the motion of framework to regulate the vertical height of support platform; And
Blocking device is attached to foldable legs structure, and this blocking device is configured to support platform to be fixed on any height in a plurality of vertical height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158465.3A CN106945770B (en) | 2012-06-28 | 2013-06-28 | Knee walking aid |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/535,700 US8827284B2 (en) | 2010-08-20 | 2012-06-28 | Knee walker |
| US13/535,700 | 2012-06-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158465.3A Division CN106945770B (en) | 2012-06-28 | 2013-06-28 | Knee walking aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640655A true CN103640655A (en) | 2014-03-19 |
| CN103640655B CN103640655B (en) | 2017-07-14 |
Family
ID=49775798
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158465.3A Active CN106945770B (en) | 2012-06-28 | 2013-06-28 | Knee walking aid |
| CN201310264318.6A Active CN103640655B (en) | 2012-06-28 | 2013-06-28 | Knee walker assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158465.3A Active CN106945770B (en) | 2012-06-28 | 2013-06-28 | Knee walking aid |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN106945770B (en) |
| CA (1) | CA2820031C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977590A (en) * | 2021-03-09 | 2021-06-18 | 广东乐美达集团有限公司 | Folding frame for trailer |
| CN114904223A (en) * | 2022-06-10 | 2022-08-16 | 南昌交通学院 | Aerobics exercises is with tensile trainer |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018116612A1 (en) | 2018-07-10 | 2020-01-16 | Orthoscoot Gmbh | Upholstered body for a leg rest of a mobile walking aid |
| WO2020249797A1 (en) | 2019-06-13 | 2020-12-17 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
| AU2020346362B2 (en) * | 2019-09-11 | 2024-02-08 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
| CN112319682B (en) * | 2020-11-05 | 2021-10-22 | 山东建筑大学 | Automatically foldable electric walking aid and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066271U (en) * | 1990-04-23 | 1990-11-28 | 侯建一 | Health chair adjustable in three driections |
| US6343802B1 (en) * | 1995-12-14 | 2002-02-05 | Ultimate Support Systems, Inc. | Method and system for concentrated primary support for a user in support assistive devices |
| US20070182116A1 (en) * | 2006-01-31 | 2007-08-09 | Enhanced Mobility Systems, Inc. | Mobility scooter |
| US7311319B1 (en) * | 2003-11-05 | 2007-12-25 | Ortega Kathryn Mcdaniel | Therapeutic scooter system |
| US7341310B1 (en) * | 2005-06-24 | 2008-03-11 | Betty Ross | Office chair with automated height adjustment |
| CN102189945A (en) * | 2010-03-04 | 2011-09-21 | 格拉默公司 | Vehicle seat provided with sliding piece |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB108777A (en) * | 1916-10-23 | 1917-08-23 | Henry Blatherwick | Improvements in Apparatus for Aiding the Locomotion of Injured Persons. |
| US20040217565A1 (en) * | 2003-04-08 | 2004-11-04 | Ramm Sharalyn S. | Kneeling walker systems and methods |
| US7780180B2 (en) * | 2007-08-27 | 2010-08-24 | Hoepner John M | Knee walker |
| ITMC20080019U1 (en) * | 2008-05-28 | 2009-11-28 | Ormesa S R L | WALKER. |
| JP5429938B2 (en) * | 2010-01-26 | 2014-02-26 | 学校法人慶應義塾 | Self-compensation type walking assist device |
-
2013
- 2013-06-26 CA CA2820031A patent/CA2820031C/en active Active
- 2013-06-28 CN CN201710158465.3A patent/CN106945770B/en active Active
- 2013-06-28 CN CN201310264318.6A patent/CN103640655B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066271U (en) * | 1990-04-23 | 1990-11-28 | 侯建一 | Health chair adjustable in three driections |
| US6343802B1 (en) * | 1995-12-14 | 2002-02-05 | Ultimate Support Systems, Inc. | Method and system for concentrated primary support for a user in support assistive devices |
| US7311319B1 (en) * | 2003-11-05 | 2007-12-25 | Ortega Kathryn Mcdaniel | Therapeutic scooter system |
| US7341310B1 (en) * | 2005-06-24 | 2008-03-11 | Betty Ross | Office chair with automated height adjustment |
| US20070182116A1 (en) * | 2006-01-31 | 2007-08-09 | Enhanced Mobility Systems, Inc. | Mobility scooter |
| CN102189945A (en) * | 2010-03-04 | 2011-09-21 | 格拉默公司 | Vehicle seat provided with sliding piece |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977590A (en) * | 2021-03-09 | 2021-06-18 | 广东乐美达集团有限公司 | Folding frame for trailer |
| CN114904223A (en) * | 2022-06-10 | 2022-08-16 | 南昌交通学院 | Aerobics exercises is with tensile trainer |
| CN114904223B (en) * | 2022-06-10 | 2023-04-28 | 南昌交通学院 | Stretching training device for aerobics exercises |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106945770B (en) | 2020-03-31 |
| CA2820031C (en) | 2017-01-17 |
| CN106945770A (en) | 2017-07-14 |
| CA2820031A1 (en) | 2013-12-28 |
| CN103640655B (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103068353B (en) | Knee walk helper | |
| US8827284B2 (en) | Knee walker | |
| CN103640655A (en) | Knee walker | |
| US7261113B2 (en) | Step-up cane | |
| US6877519B2 (en) | Collapsible side wheeled walker | |
| US20120018968A1 (en) | Scooter and method of use thereof | |
| US20080079230A1 (en) | Bipedal motion assisting method and apparatus | |
| US10092475B2 (en) | Combination crutch and knee walker device | |
| US20120267175A1 (en) | Three-wheel pedal-style wheelchair | |
| CN208785216U (en) | A kind of Multifunctional walking aid | |
| US10717491B1 (en) | Folding scooter | |
| US11052001B2 (en) | Mobile chair apparatus comprising foot pedals | |
| US9757289B1 (en) | Mobile chair apparatus comprising foot pedals | |
| WO2004093595A1 (en) | Trolley type contaiiner, convertible into a scooter | |
| US20170239109A1 (en) | Mobile Chair Apparatus Comprising Foot Pedals | |
| US20220202642A1 (en) | Assisted walking device | |
| CA2845476A1 (en) | A mobile support assembly | |
| US8523213B2 (en) | Orthopedic mobility device | |
| KR101209830B1 (en) | Walking supporter | |
| CN110882136B (en) | Multifunctional walking aid device for old people | |
| WO2021061696A1 (en) | Folding scooter | |
| JPH04124141U (en) | Walking aid cane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |