CN108938339A - Folding walk helper - Google Patents
Folding walk helper Download PDFInfo
- Publication number
- CN108938339A CN108938339A CN201710560428.5A CN201710560428A CN108938339A CN 108938339 A CN108938339 A CN 108938339A CN 201710560428 A CN201710560428 A CN 201710560428A CN 108938339 A CN108938339 A CN 108938339A
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- Prior art keywords
- side frame
- hinge
- pair
- cross member
- foreleg
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- 210000001364 upper extremity Anatomy 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 11
- 230000008602 contraction Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
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- 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
A kind of walk helper is provided, can be moved between compact, foldable structure and deployed configuration.Walk helper includes a pair of of side frame, and each side frame has foreleg and back leg.Leg is connected at their top by upper support member.Cross member extends between the foreleg of each of a pair of of side frame.Cross member has the hinge being placed between foreleg.Cross member can be rotated with around hinge folding and relative to foreleg, so that walk helper is moved between structure unfolding and folding, this allows frame to be placed in direction that is adjacent and being generally aligned when folding.Hinge has locking mechanism to lock hinge in deployed configuration.
Description
Technical field
The disclosure belongs to field of medical device, more particularly to mobility-aid apparatus.There has been described a kind of walk helper,
Specifically, the folding walk helper being configured in deployed configuration between more compact contraction structure is described.
Background technique
Walk helper is the mobility-aid apparatus for needing the people supported to use in standing or walking.Conventional walk helper has one
To side frame, each side frame has a pair of of foot, upper support member and lower support member.This can surround upper and lower support to frame
Component pivots so that walk helper moves between deployed configuration and compact contraction structure.In contraction structure, frame can be with that
This offset, and therefore may not as good as transport and store it is desired it is compact.It is public in U.S. Patent number 3,516,425
The walk helper opened has a pair of folding support member, and permission frame is adjacent, alignment is placed, such as Fig. 3 institute of the patent
Show.However, the pivotable member of foldable support member is not locked out, this, which may cause, is unintentionally folded, and causes to make user
At grievous injury.
Desirably, walk helper should be able to prevent from unintentionally folding.The walk helper so constructed is disclosed now.
Detailed description of the invention
Fig. 1 and 1A is the front perspective view of prior art walk helper and the prior art walk helper in folding position respectively
Perspective view;
Fig. 2 is the side view of the walk helper of the invention in foldable structure, and shows adjacent, alignment
Frame;
Fig. 3 is the rear perspective view of the walk helper of Fig. 2, but in partially expanded configuration, is shown by hinged transverse part
The frame that part separates, and the leg assembly in storage position;
Fig. 4 is the front perspective view of the walk helper of Fig. 2, but in complete package assembly, is shown by hinged transverse part
The frame that part separates, and in the leg assembly for using position;
Fig. 5 is the perspective view of the hinge component of the hinged cross member of the walk helper of Fig. 2;
Fig. 6 A-6D collectively illustrates the component after the dismantling of the hinge component of Fig. 5.
Fig. 7 is the plan view from above of the hinge component of Fig. 5;
Fig. 8 is the sectional view along the hinge component of the line VIII-VIII of Fig. 7 Fig. 5 intercepted;
Fig. 9 A-9E is the schematic side elevation of walk helper shown in Fig. 2, is moved to compact, folding from deployed configuration
Structure;
Figure 10 is the side view of the walk helper of Fig. 2, shows the placement that leg assembly enters storage position;And
Figure 11 is the perspective view of walk helper shown in Fig. 4, but depicts a leg group of walk helper in an exploded view
Part.
Specific embodiment
A kind of walk helper is provided, can be moved between compact, foldable structure and deployed configuration, deployed configuration is walk help
Device is used for typically used as position, and foldable structure is commonly used in transport or storage.Walk helper is in expanded position and folding position
A series of middle positions between setting are mobile.For walk helper, usual walk helper includes a pair of of side frame, each side frame tool
There are foreleg and back leg.Leg is connected at their top by upper support member, and optionally logical in their lower part or middle part
Cross down support member connection.Cross member extends between the foreleg of each of a pair of of side frame.Cross member is in upper support portion
It is rotatably attached below part relative to foreleg.Cross member has the hinge being placed between foreleg.Cross member can be around hinge
Chain folding is simultaneously rotated relative to foreleg, so that walk helper is moved between structure unfolding and folding, this can advantageously allow for frame
Frame is placed in direction that is compact, adjacent and being generally aligned when folding.Hinge has locking mechanism to incite somebody to action in deployed configuration
Hinge locking.Locking mechanism can drive via unlocking mechanism, and unlocking mechanism can be placed with respect to one in side frame, such as
One foreleg of one side frame, to allow user easily to unlock while limitation unintentionally folds.
There is provided locking mechanism also to prevent cross member relative to the rotation to each of frame.When combination and hinge
When associated locking mechanism, three stage unlocking processes are optionally provided to limit folding unintentionally for walk helper.More specifically
Say, the first stage of unlocking process include relative to first unlock cross member in side frame so that cross member relative to
First rotation in side frame.The second stage of unlocking process includes driving solution lock machine associated with the hinge of cross member
Structure is to allow cross member around hinge to fold.Optionally, the first side frame can drive and hinge relative to the rotation of cross member
Associated unlocking mechanism.The phase III of unlocking process is similar to first stage, but second be related in side frame.?
That is relative to second unlock cross member in side frame so that cross member is relative to second rotation in side frame.
Walk helper can be as shown setting there are four leg assembly, or can remove with a pair of of leg assembly and from walk helper
One wheel pairs or wheel assembly (not shown).Leg assembly is telescopic structure, allow adjust walk helper height and by its
Compact form is shrunk to store.
In an aspect, cross member includes the first assembly being connected by a hinge and the second component.First assembly exists
One in a pair of of side frame extends between hinge, and another in a pair of of side frame of the second component extends between hinge.
First assembly is installed relative to first sleeve, and one foreleg that first sleeve surrounds in a pair of of side frame is rotatably arranged, and
And second component installed relative to second sleeve, another the foreleg that second sleeve surrounds in a pair of of side frame is rotatably set
It sets.
Preferably, although not necessarily, single cross member is only provided.In some respects, cross member includes a pair
Oblique bracket, wherein first in bracket extends to first assembly from first sleeve, and second in bracket is from second
Sleeve extends to the second component.Bracket makes cross member with the appearance of substantially K shape.
In some respects, actuator can be pivotally mounted on relative to one in a pair of of side frame.Actuator can be handle,
The handle is pivoted to unlock cross member, makes it relative to a rotation in a pair of of side frame.More specifically, actuator has
Latched position prevents one in a pair of of side frame to rotate relative to cross member herein, and also has unlocked position, herein
One in a pair of of side frame can rotate relative to cross member.
In some respects, locking mechanism can also include locking pin associated with hinge.Pin has latched position, prevents
Only around hinge rotation and unlocked position, allow to rotate around hinge.Pin can be optionally by spring towards latched position
Biasing.
In some respects, pivot shell be arranged at least partly above locking pin and via flexible cable relative to
Locking pin is operably connected.Pivoting shell has a pivotal axis relative to hinge, and can first position and the second position it
Between pivot, locking pin is in the locked position at first position, and second place locking pin is in the unlocked position, with pivot shell
The second position is moved to from first position, draw flexible cable locking pin to unlocked position, to allow cross from latched position
Hinge folding is surrounded to component.
In some respects, locking mechanism includes pivoting the actuator line extended between one in shell and a pair of of side frame
Cable, cable have the length rotated from expansion towards foldable structure relative to cross member so that in a pair of of side frame, should
Rotation causes pivot shell to be moved to the second position from first position, and locking pin is then made to be moved to unlock from latched position
Position.
Walk helper described herein is included the following steps: from the method that deployed configuration is moved to foldable structure by making
One in a pair of of side frame rotates another in simultaneously separate a pair of of side frame relative to cross member to unlock hinge, surrounds and cuts with scissors
Chain folding cross member, and make in a pair of of side frame another rotated relative to cross member and towards in a pair of of side frame
One.Each of side frame can have the locking mechanism of their own, for selectively limiting them relative to transverse part
The rotation of part.
For example, during transportation or at point of sale, it can be with folding, cramped construction offer walk helper described herein.
In this configuration, a pair of of side frame is in the arrangement of substantially adjacent alignment, rather than deviate.Cross member is rolled over around hinge
It is folded, so that hinge is located between a pair of of side frame and between its foreleg and back leg.This compact structure is also applied for walk helper
Storage.
Referring now to the drawings, the walk helper 6 of the prior art shown in Fig. 1 and 1A is shown as in normal behaviour in Fig. 1
Make structure and in figure 1A in relatively more compact storage configuration.With reference to Fig. 2-4, walk helper 10 of the invention can also be
It is moved between compact, foldable structure as shown in Figure 2 and normal operating deployed configuration as shown in Figure 4.For walk helper
Speech, and with specific reference to Fig. 3, usual walk helper 10 includes a pair of of side frame 12,14 and upper support member 24,26 and lower support
Component 28,30, wherein each side frame 12,14 has foreleg 16,20 and back leg 18,22.Upper support member 24,26 can include making
The comfortable handle 25 of user, such as the covering of rubber or polymer material.
Side frame is connected by cross member structure 32.As indicated, cross member structure 32 includes the central part in walk helper
The first and second truss structures 33,35 being connected to each other at hinge 34 at point, function will be described in greater detail below,
To generally form K shape structure.Truss structure includes primary clustering 36,38 and oblique bracket 40,42.The hinge 34 of setting is permitted
Perhaps walk helper 10 is placed in and is unfolded and folded between structure, frame 12,14 is advantageouslyed allow for be placed in compact position when folding
It sets, as shown in Figure 2.Compared with the walk helper 6 of the prior art shown in FIG. 1, this can produce more compact foldable structure, Fig. 1
Middle cross member 8 is rigid and frame 2,4 deviates opposite to each other when folding.
With specific reference to Fig. 4, truss structure 33,35 is typically connected to a pair of of tubular sleeve 44,46, the foreleg of side frame 12,14
16, it 20 is placed in tubular sleeve.Side frame 12,14 is rotatable relative to tubular sleeve 44,46.During normal use, side frame
It is rotatably locked relative to tubular sleeve to prevent unintentionally to rotate.Each sleeve is equipped with locking mechanism, including paddle handle
47, it 48 and is operably connected to each paddle handle and cooperates the spring loads of the socket (not shown) in foreleg 16,20
Tubular sleeve locking pin (not shown).In order to fold walk helper, paddle handle is depressed, and each handle 47,48 is caused to surround
Pivotal axis pivots.The movement retracts tubular sleeve locking pin from the opening of foreleg 16,20, so that side frame is relative to tubular casing
Cylinder 44,46 rotates, to rotate relative to cross member structure 32.
Similarly, hinge 34 generally remains in lock state to limit the unintentionally contraction of walk helper 10.As Fig. 5-8 institute
Show, hinge 34 includes first axle side 60 and second hinge side 62.Each side 60,62, which has, surrounds public pivotal axis phase each other
To a pair of of plate of rotation.More specifically, first axle side 60 includes the plate with centre bore 64, and second hinge side 62 is also
Including the plate with centre bore 66, as best seen in Fig. 6 A.Joint pin (not shown) may extend through hole 64,66 to limit
Determine the pivotal axis of hinge 34.First axle side 60 is connected to the first primary clustering 36, and second hinge side 62 is connected to the second master
Want component 38.
Each plate of first and second hinge sides 60,62 further includes the offset apertures 70,68 separated with pivotal axis.Shown tool
The locking mechanism of body embodiment includes locking pin 82 (Fig. 6 C), is slidably received within the offset apertures 70,68 of hinge 34
It is interior.When locking pin 82 is in retracted position, it is detached from the offset apertures 68 of second hinge side 62, so that the first and second hinges
Side 60,62 is pivoted relative to each other around pivotal axis.However, extending through the first hinge when locking pin 82 is in extended position
Offset apertures 70 of chain side 60 and partially across the offset apertures of second hinge side 62 68, to prevent the first and second hinges
The relative rotation of pivot is surrounded between side 60,62.
As shown in figure 8, locking pin 82 extends towards location bias by spring 94.More specifically, as shown in Fig. 6 C,
Locking pin 82 has the widened head 86 that relatively narrow 84 one end of axis is arranged in.Also as shown in Figure 6 C, widened head 86 and compared with
The intersection of narrow axis 84 is formed with step 88.Spring 94 is arranged around relatively narrow axis 84, and one end of spring 94 is against step 88.Bullet
The other end of spring 94 is biased against the surface of first axle side 60, by locking pin 82 towards extended position.
Movement of the locking pin 82 from extended position to retracted position is the controlled operation of leaning device, wherein in extended position
Locate the first and second hinge sides 60,62 to be prevented from around the rotation of pivotal axis, the rotation at retracted position around pivotal axis is
It is allowed to.Leaning device includes pivoting shell 76, has inner chamber 80 forward and the curved pivot surface towards after
78, as shown in Figure 8.The plate of first axle side 60 includes the pivot shell installation part 72 with socket 74, has and pivots shell 76
Curved pivot surface 78 cooperate surface.Hole 90 He of the pivotal pin cable 81 (Fig. 8) in the relatively narrow axis 84 of locking pin 82
It pivots and extends between the inner surface of shell installation part 72.Upon assembly, locking pin 82 is partially disposed at the inner chamber for pivoting shell 76
In 80.When pivot shell 76 is tilted backwards around curved pivot surface 78, pivotal pin cable 81 cuts with scissors locking pin 82 from second
It is pulled out in the offset apertures 68 of chain side 62, to allow the first and second hinge sides 60,62 around the rotation of pivotal axis.Instead of pivot
It ships and resell on another market cable, cross bar can extend through the hole 90 of locking pin 82 and extend in a pair of holes for pivoting shell installation part 72, and
And specifically, the side wall for pivoting shell installation part surrounds to form its inner chamber 80.Locking pin 82 can be around cross bar rotation and/or pivot
Transcapsidation 76 is rotated around cross bar.
It is tilted backwards to make to pivot shell 76, as shown in Figure 3 and Figure 4, actuator cables 58 are pivoting shell 76 and side frame 12
Or one of 14 foreleg between extend.One end of actuator cables 58 extends through the (figure of angled hole 92 for pivoting shell 76
7), there is the amplifier element (not shown) for the free end for being attached at actuator cables 58, to prevent it from angled hole
It is drawn out in 92.The other end of actuator cables 58 be fixed to a side frame foreleg, such as by extend through its opening or
It is anchored.The length of selection actuator cables 58 is biased to enough degree backward will pivot shell 76 to overcome spring 94
Bias force, so that pivotal pin 82 is pulled out of second hinge side 62 offset apertures 68, to allow the first and second hinge sides
60,62 rotate around pivotal axis.This is realized and partly winding actuator cables 58 around the foreleg of the first side frame
, by the first side frame in associated tubular sleeve (being 6 in shown specific embodiment) (shown specific
It is the rotation of foreleg 14) in embodiment to realize.Actuator cables 58 can be attached to the first and second frames 12,14
Any one of, as long as it is configured to pivot the inclination of shell 76.
In order to which walk helper is folded into compact, contraction structure from deployed configuration, as schematically illustrated in fig. 9, a system is performed
The pivoting action of column.Since deployed configuration, after using the unlock of associated paddle handle, (the figure of actuator cables 58
9A-9E is not shown) side frame 14 that is connected rotates outward around its foreleg, far from the second side frame 12.With continued reference to previous description
Locking mechanism, the movement of the side frame 14 pivots shell 76 so that actuator cable 58 biases backward, and then by pivotal pin 82
It pulls out that the first and second hinge sides 60,62 is allowed to rotate around pivotal axis out of second hinge side 62 offset apertures 68.This
Cross member structure 32 is allowed to fold around hinge 34.After unlocking associated paddle handle, walk helper be folded and
The position for entering the alignment of the first and second side frames 12,14, as shown in Fig. 9 E and Fig. 2.The step can be in reverse order
It repeats, walk helper is moved to non-collapsible, deployed configuration from contraction structure.Expansion does not need to release various locking machines
Structure because they have been released at this point, but can cooperate again automatically in deployed configuration.
In order to further provide for more compact structure, the leg 16/18,20/22 of each frame 12,14 is optionally included
The leg assembly part of individual lower part.With reference to Figure 10 and 11, leg assembly 52 includes telescopic inside and outside leg group
Part part 54,56 can be folded into compact form and is fixed to the other assemblies of walk helper via clip 58.Inner leg portion group
Part part 54 includes the narrow upper end for being sized for insert into the respective leg portions part (being in this instance 18) of corresponding side frame (12)
60.Interior section 54 is provided with spring loaded pin 62, the mounting hole 64 being inserted into Leg portion 16.Outer leg portion assembly portion
Divide 56 to include series installation hole 66 (to scheme with the second spring load pin 68 being equipped in inner leg portion components 54
The second pin 68 is shown in 10), allow to adjust the height of walk helper.Outer leg portion components are provided with for front leg portions
Point elastic foot 70 or optionally take turns (not shown).Conventional spring loaded pin or other suitable structures can be used,
Such as bolt and wing nut (not shown).Other leg assemblies can be configured substantially similarly.
By above-mentioned, it can be seen that provide a kind of walk helper resisted and be not intended to fold and can be folded into cramped construction.
Unless otherwise indicated herein, or clearly with contradicted by context, otherwise singular references such as " one (a) ", " one
The use of a (an) " is intended to cover odd number and plural number.Term " includes ", " having ", "comprising" and " containing " will be considered as open
Formula term.Any description and specific embodiment, spy of certain specific embodiments as " preferably " specific embodiment
It is that preferred other explanations are not to be considered as being restrictive that sign or range, which are used as preferably or suggest,.The present invention should be regarded as
It is presently considered to not preferred specific embodiment and specific embodiment as described herein.All sides described here
Method can execute in any suitable order, unless otherwise indicated herein or be apparently contradicted in the context.Use provided herein
Any and all examples or exemplary language (for example, " such as ") it is intended to illustrate the present invention, the scope of the present invention is not constituted
Limitation.Any statement herein in relation to the present invention or the essence or benefit of preferred embodiment does not constitute a limitation.The present invention
All modifications and equivalent including the theme recorded that applicable law allows herein.In addition, unless otherwise indicated herein or with
The clear contradiction of context, otherwise present invention encompasses said elements with any combination of all possible variant.Herein to appoint
The description of what document or patent is not construed as composition and recognizes these cited literature 2s or patent composition pair even if being identified as " existing "
The anti-prior art of the invention.Unstated language should not be considered as limitation invention scope.Institute is constituted herein in relation to certain features
Any statement or suggestion of the component part of claimed invention, and do not constitute a limitation, unless anti-in the following claims
It reflects.The mark of the mark of the patent No. on any product and the patent No. relevant to any service should not be construed as representing
All specific embodiments described herein are incorporated to the product or service.
Claims (14)
1. a kind of walk helper, comprising:
A pair of of side frame, each side frame have foreleg and back leg, and leg is connected and at it at their top by upper support member
Middle part connected by lower support member;And
Cross member extends between the foreleg of each of a pair of of side frame, and the cross member, which has, to be arranged in foreleg
Between hinge, and the lower section of upper support member and in the top of lower support member it is rotatably attached relative to the foreleg
Connect, the cross member be folding around the hinge and relative to the foreleg be it is rotatable so that the walk help
Device is moved between structure unfolding and folding, and thus in foldable structure, compared with deployed configuration, side frame is close together simultaneously
And the hinge, between the foreleg and the back leg, the hinge has the activatable lock of user for unlocking hinge
Mechanism is determined, to allow the cross member around the hinge folding.
2. walk helper according to claim 1, wherein the cross member includes passing through described hinged first group
Part and the second component, the first assembly extend between the hinge in one in a pair of of side frame, and described second group
Part extends between the hinge in another in a pair of of side frame, and wherein the first assembly is attached relative to first sleeve
It connects, one foreleg that first sleeve surrounds in a pair of of side frame is rotatably arranged, and the second component is relative to second sleeve
Attachment, another the foreleg that second sleeve surrounds in a pair of of side frame are rotatably arranged.
3. walk helper according to claim 2, wherein the cross member includes a pair of brackets, first in bracket from
The first sleeve extends to the first assembly, and second in bracket extends to described second group from the second sleeve
Part.
4. walk helper according to any one of claim 1-3, wherein each of foreleg and back leg have extensible
Leg, has foot at one end and the other end is slidably engaged with the leg, every in foldable structure compared with deployed configuration
The foot of a extensible leg is closer to the lower support member.
5. walk helper described in any one of -4 according to claim 1, wherein being provided with handle in each upper support member.
6. walk helper according to any one of claims 1-5, wherein the locking mechanism includes relative to a pair of of side frame
In a pivotable actuator.
7. walk helper according to claim 6, wherein locking pin is associated with the hinge, and has and prevent around institute
The latched position of hinge rotation is stated, and allows the unlocked position around hinge rotation.
8. walk helper according to claim 7 is arranged to be at least partially disposed on the locking pin wherein pivoting shell
It top and is operably connected via flexible cable relative to the locking pin, the pivot shell has relative to the hinge
Pivotal axis, and can pivot between the first position and the second position, wherein locking pin is in the locked position at first position,
Second place locking pin is in the unlocked position, and the pivot shell, which is moved to the second position from first position, leads to the flexible wires
Cable pulls the locking pin from latched position to unlocked position, to allow the cross member around the hinge folding.
9. walk helper according to claim 8, wherein actuator cables are in the pivot shell and one in a pair of of side frame
Between extend, cable has so that one in a pair of of side frame rotates relative to the cross member from expansion towards foldable structure
Length, cause the pivot shell to be moved to the second position from first position, and keep the locking pin mobile from latched position
To unlocked position.
10. walk helper according to claim 10, wherein the locking pin is biased by spring towards its latched position.
11. a kind of method, comprising:
A kind of walk helper is provided, the walk helper includes:
A pair of of side frame, each side frame have foreleg and back leg, and leg is connected and at it at their top by upper support member
Middle part connected by lower support member;And
Cross member extends between the foreleg of each of a pair of of side frame, and the cross member, which has, to be arranged in foreleg
Between hinge, and the lower section of upper support member and in the top of lower support member it is rotatably attached relative to the foreleg
Connect, the cross member be folding around the hinge and relative to the foreleg be it is rotatable so that the walk help
Device is moved between structure unfolding and folding, and thus in foldable structure, compared with deployed configuration, side frame is close together simultaneously
And the hinge, between the foreleg and the back leg, the hinge has the activatable lock of user for unlocking hinge
Determine mechanism;And
The mobile walk helper is from deployed configuration to foldable structure, which comprises
It is solved by making one in a pair of of side frame relative to cross member rotation and far from another in a pair of of side frame
Lock the hinge;
Around cross member described in the hinge folding;And
Another for making in a pair of of side frame is rotated relative to the cross member and towards one in a pair of of side frame.
12. according to the method for claim 11, further comprising the steps of: unlocking a pair of of side frame relative to the cross member
In one, with allow one in a pair of of side frame before the step of unlock the hinge relative to cross member rotation
Turn.
13. according to the method for claim 12, further comprising the steps of: unlocking a pair of of side frame relative to the cross member
In another with allow in a pair of of side frame another rotated relative to the cross member.
14. further including according to the method for claim 14, rotation side frame, so that they are aligned and placement adjacent each other.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US201762508813P | 2017-05-19 | 2017-05-19 | |
US62/508,813 | 2017-05-19 | ||
US201762518957P | 2017-06-13 | 2017-06-13 | |
US62/518,957 | 2017-06-13 |
Publications (2)
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CN108938339A true CN108938339A (en) | 2018-12-07 |
CN108938339B CN108938339B (en) | 2021-05-25 |
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CN201720854975.XU Active CN208770312U (en) | 2017-05-19 | 2017-07-11 | Walk helper |
CN201710560428.5A Active CN108938339B (en) | 2017-05-19 | 2017-07-11 | Foldable walking aid |
Family Applications Before (1)
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CN201720854975.XU Active CN208770312U (en) | 2017-05-19 | 2017-07-11 | Walk helper |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115770173A (en) * | 2022-12-02 | 2023-03-10 | 中国人民解放军总医院第二医学中心 | Old person's prevention and control device that tumbles |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN208770312U (en) * | 2017-05-19 | 2019-04-23 | 美联实业有限公司 | Walk helper |
EP3624750B1 (en) | 2017-05-19 | 2024-02-28 | Medline Industries, Inc. | Foldable walker |
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- 2017-07-11 CN CN201710560428.5A patent/CN108938339B/en active Active
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Cited By (2)
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CN115770173A (en) * | 2022-12-02 | 2023-03-10 | 中国人民解放军总医院第二医学中心 | Old person's prevention and control device that tumbles |
CN115770173B (en) * | 2022-12-02 | 2024-05-10 | 中国人民解放军总医院第二医学中心 | Old person prevents accuse device that tumbles |
Also Published As
Publication number | Publication date |
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CN108938339B (en) | 2021-05-25 |
CN208770312U (en) | 2019-04-23 |
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