CN109009900B - Foldable portable walking aid - Google Patents

Foldable portable walking aid Download PDF

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Publication number
CN109009900B
CN109009900B CN201811100025.3A CN201811100025A CN109009900B CN 109009900 B CN109009900 B CN 109009900B CN 201811100025 A CN201811100025 A CN 201811100025A CN 109009900 B CN109009900 B CN 109009900B
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China
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support
brackets
bracket
limiting
supports
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CN201811100025.3A
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CN109009900A (en
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潘峰
付政文
惠艳
王瑞芳
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Fu Zhengwen
Hui Yan
Pan Feng
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Individual
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/04Wheeled walking aids for patients or disabled persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/04Wheeled walking aids for patients or disabled persons
    • A61H2003/046Wheeled walking aids for patients or disabled persons with braking means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01Constructive details
    • A61H2201/0157Constructive details portable

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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

The invention provides a foldable portable walking aid, which adopts a support design in a shape like a Chinese character 'in', so that the whole walking aid is stable in structure, the walking aid can be folded in the transverse and longitudinal directions, is convenient to store and arrange at ordinary times, does not occupy space, is suitable for various people who are inconvenient to move, is particularly suitable for rehabilitation people, and enhances the muscle strength of upper and lower limbs.

Description

Foldable portable walking aid
Technical Field
The invention relates to a walking aid, in particular to a foldable portable walking aid, belonging to the technical field of appliances for assisting patients or disabled people to walk.
Background
The walking aid is an appliance for assisting a human body to support the weight, keep balance and walk. Through the support of the apparatus, the elderly patients with inconvenient legs and feet, and the like, who have inflexible legs and feet and even lose walking ability, can take care of themselves and walk like normal people. The most common walkers include two-and four-wheeled walkers. Both walkers provide stability to the user when the user has difficulty in maintaining balance or is prone to falling.
The invention aims to take the storage portability and the use stability of the walking aid into consideration, the walking aid can be easily stored after being used, the occupied space is small, and the user can safely and stably experience the product function in use.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the related art to a certain extent.
The invention relates to a foldable portable walking aid, which can enable the elderly and patients and other people with inflexible legs and feet or even without walking ability to take care of themselves, can be stored by simple operation after use, and saves space.
The invention is realized by adopting the following technical means:
the collapsible portable walker device comprises: a bracket assembly, a beam assembly and a handle assembly; the bracket assembly consists of two first brackets and two second brackets, the two first brackets are connected together through the beam assembly, the first brackets and the second brackets form a shape like a Chinese character 'in', the two second brackets are respectively hinged with the middle parts of the two first brackets, and the two second brackets are both positioned at the inner sides of the two first brackets; the handle assembly is positioned at the upper part of the bracket assembly;
the beam assembly consists of a first beam, a second beam and a third beam, the first beam, the second beam and the third beam have the same structure and are respectively positioned at the upper part, the middle part and the lower part of the first support, and two ends of the first beam, the second beam and the third beam are respectively fixedly connected with the two first supports;
the first cross beam, the second cross beam and the third cross beam are of a two-link structure with a pivot in the middle, so that the folding in the cross beam direction can be realized; the first cross beam, the second cross beam and the third cross beam are all provided with fastening devices, when the cross beams are in an unfolded state, the cross beams are kept in the unfolded state, and the fastening devices are arranged on one side of the cross beams, which faces away from a user;
the fastening device comprises two studs fixedly arranged on the two connecting rod structures, a fastening piece and two nuts matched with the two studs, when the first, second and third cross beams are in an unfolded state, the fastening piece penetrates through the two studs of the cross beam and is fixed on the cross beam through the two nuts;
preferably, a washer is matched with the nut;
the handle assembly comprises two upright posts, two handles and two protective arms, the tops of the two upright posts are respectively hinged with the two first supports and are positioned at the inner sides of the two first supports, the two handles are respectively positioned at the lower parts of the two upright posts, and the two protective arms can respectively slide and rotate on the two upright posts and can be fastened on the upright posts through locking screws;
the two first brackets are also provided with a pair of first limiting and fixing devices and a pair of second limiting and fixing devices for limiting the moving positions of the handle assembly and the two second brackets;
the first limiting fixing device is positioned at the upper end of the first support, one end of the first limiting fixing device is fixedly connected to the inner side of the first support, the other end of the first limiting fixing device is of an arc structure matched with the stand column of the handle assembly, two opposite through holes are formed in the arc structure, and when the stand column is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the stand column fall into the through holes in the arc structure, so that limiting and fixing of the stand column are realized;
the second limiting fixing device is positioned at the middle lower part of the first support, between the second cross beam and the third cross beam, one end of the second limiting fixing device is fixedly connected to the inner side of the first support, the other end of the second limiting fixing device is of an arc structure matched with the second support, two opposite through holes are formed in the arc structure, and when the second support is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the second support fall into the through holes in the arc structure, so that limiting and fixing of the second support are realized;
furthermore, the protective arm is in a cylindrical shape with an opening on the side surface of the cylinder, and comprises an inner layer and an outer layer, wherein the outer layer is made of plastic with certain structural strength and can provide necessary support for a user, and the inner layer is made of flexible materials such as sponge and provides protection for the arms of the user;
the springs for connecting the first support and the second support are respectively arranged below the two second limiting fixing devices, the springs can provide buffering in the use process of the walking aid, so that the mechanism rigidity of the walking aid is not too high, the use comfort is improved, meanwhile, the tension of the springs plays a role in protecting the second limiting fixing devices so as to prevent the second support from being damaged due to too high force acting on the second limiting fixing devices, and meanwhile, the springs can also provide tension when the second support is folded, so that the folding efficiency of the walking aid is improved;
the trundles are arranged under the two first supports and the two second supports, the trundles arranged under the second supports are universal trundles, the movement capability of the walking aid and the controllability of a user are improved, and the distance between the two universal trundles is smaller than that between the trundles of the two first supports, so that the design enables the user to be more flexible when the walking aid is used for steering;
furthermore, the two universal casters are provided with brake devices, so that a user can step down the brake devices by feet when stopping for rest or stopping using the walking aid, and the safety of the walking aid is improved;
the projection of the handle assembly on the horizontal plane is positioned in a quadrangle formed by the four trundles, when a user uses the walking aid, the arm passes through the protective arm, the two hands hold the handles, the body naturally tilts forwards, the projection of the handle assembly on the horizontal plane is positioned between the trundles of the second support and the trundles of the first support, so that the walking aid does not have the risk of toppling, and the structural center of gravity of the walking aid is positioned in the middle;
be provided with an elastic webbing at first crossbeam towards user one side intermediate position, the both ends of elastic webbing are respectively through the two connecting rod both sides of fix with screw at first crossbeam, and when first crossbeam expansion state, the elastic webbing is for expanding the state of tiling, and when first crossbeam was fold condition, the elastic webbing perk formed a pull ring, and the pull ring is convenient for drag the capable ware that helps under the fold condition, makes things convenient for the removal that helps the capable ware.
The use method of the foldable portable walking aid comprises the following steps:
walking aid deployment procedure
(1) Rotating the two second supports to the two second limiting fixing devices respectively around the positions hinged with the two first supports, so that the telescopic clamping mechanisms oppositely arranged on the second supports fall into through holes on the circular arc structures of the second limiting fixing devices, and the support assemblies are unfolded;
(2) pulling the two first supports transversely in opposite directions to unfold the first, second and third cross beams, mounting the fastening devices of the cross beams on the cross beams, and screwing nuts to unfold the cross beam assembly;
(3) the two upright posts of the handle assembly rotate to the two first limiting fixing devices around the hinged positions of the two first supports respectively, so that the telescopic clamping mechanisms oppositely arranged on the upright posts fall into the through holes on the circular arc structures of the first limiting fixing devices, and the handle assembly is unfolded.
Folding process of walking aid
(1) The telescopic clamping mechanisms oppositely arranged on the two upright posts of the handle assembly are pressed down, the telescopic clamping mechanisms are released from the two first limiting fixing devices, and the handle assembly is folded towards the first support direction to complete the folding of the handle assembly;
(2) detaching the fastening devices on the first, second and third cross beams, and moving and folding the two connecting rod structures of the first, second and third cross beams upwards to complete the folding of the cross beam assembly;
(3) the telescopic clamping mechanisms oppositely arranged on the second support are pressed down, are released from the two second limiting fixing devices, and are folded towards the first support direction to complete the folding of the support assembly.
The invention has the following advantages
(1) The handle assembly is provided with a protective arm which can provide necessary support for a user and protect the arm of the user;
(2) the spring connecting the first support and the second support can provide buffering in the use process of the walking aid, so that the use comfort is improved, meanwhile, the tension of the spring plays a role in protecting the second limiting fixing device, so that the second limiting fixing device is prevented from being damaged due to overlarge force of the second support acting on the second limiting fixing device, the second support can be retracted, and a tension can be provided, so that the folding efficiency of the walking aid is improved;
(3) the handle assembly, the beam assembly and the support assembly can be folded, so that the storage space is saved;
(4) structural design is reasonable, expandes and fold swift convenience, and stable in structure is reliable during the use, and the user can not appear the motion damage, plays the purpose that fine motion was taken exercise.
Drawings
FIG. 1 is a schematic view of a foldable portable walker
FIG. 2 is a schematic view of the first beam
FIG. 3 is a schematic view of the beam assembly being unfolded and secured
1. The device comprises a second support, 2, a first support, 3, a second limiting fixing device, 4, a first limiting fixing device, 5, a locking screw, 6, an elastic belt, 7, a screw, 8, a stud, 9, a nut, 10, a fastening piece, 11, a first beam, 12, a second beam, 13, a third beam, 14, a caster, 15, a spring, 21, a stand column, 22, a protection arm, 23 and a handle.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
Example one
The invention is realized by adopting the following technical means:
the collapsible portable walker device comprises: a bracket assembly, a beam assembly and a handle assembly; the bracket component comprises two first brackets 2 and two second brackets 1, the two first brackets 2 are connected together through a beam component, the first brackets 2 and the second brackets 1 form a shape like the Chinese character 'in', the two second brackets 1 are respectively hinged with the middle parts of the two first brackets 2, and the two second brackets 1 are both positioned at the inner sides of the two first brackets 2; the handle assembly is positioned at the upper part of the bracket assembly;
the beam assembly consists of a first beam 11, a second beam 12 and a third beam 13, the first beam 11, the second beam 12 and the third beam 13 have the same structure and are respectively positioned at the upper part, the middle part and the lower part of the first support 2, and two ends of the first beam 11, the second beam 12 and the third beam 13 are respectively fixedly connected with the two first supports 2;
the first beam 11, the second beam 12 and the third beam 13 are all of a two-link structure with a pivot in the middle, so that the folding in the beam direction can be realized; the first beam 11, the second beam 12 and the third beam 13 are all provided with fastening devices, when the beams are in an unfolded state, the beams are kept in the unfolded state, and the fastening devices are arranged on one side of the beams, which faces away from a user;
the fastening device comprises two studs 8 fixedly arranged on the two connecting rod structures, a fastening piece 10 and two nuts 9 matched with the two studs 8, when the first, second and third cross beams are in an unfolded state, the fastening piece 10 penetrates through the two studs 8 of the cross beam and is fixed on the cross beam through the two nuts 9;
preferably, a washer is provided in cooperation with the nut 9;
the handle assembly comprises two upright posts 21, two handles 23 and two protection arms 22, the tops of the two upright posts 21 are respectively hinged with the two first supports 2 and are positioned at the inner sides of the two first supports 2, the two handles 23 are respectively positioned at the lower parts of the two upright posts 21, and the two protection arms 22 can respectively slide and rotate on the two upright posts 21 and can be fastened on the upright posts 21 through locking screws 5;
the two first brackets 2 are also provided with a pair of first limiting and fixing devices 4 and a pair of second limiting and fixing devices 3 which are used for limiting the moving positions of the handle assembly and the two second brackets;
the first limiting and fixing device 4 is positioned at the upper end of the first support 2, one end of the first limiting and fixing device 4 is fixedly connected to the inner side of the first support 2, the other end of the first limiting and fixing device is of an arc structure matched with the stand column 21 of the handle assembly, two opposite through holes are formed in the arc structure, when the stand column 21 is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the stand column fall into the through holes in the arc structure, and limiting and fixing of the stand column 21 are achieved;
the second limiting fixing device 3 is positioned at the middle lower part of the first support 2 and between the second beam 12 and the third beam 13, one end of the second limiting fixing device 3 is fixedly connected to the inner side of the first support 2, the other end of the second limiting fixing device is of an arc structure matched with the second support 1, two opposite through holes are formed in the arc structure, when the second support 1 is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the second support 1 fall into the through holes in the arc structure, and limiting fixing of the second support 1 is achieved;
further, the armguard 22 is in the shape of a cylinder with an opening on its side, and includes an inner layer and an outer layer, the outer layer can be made of plastic with certain structural strength and can provide necessary support for the user, the inner layer is made of flexible material such as sponge and can provide protection for the user's arm;
the springs 15 connected with the first support 2 and the second support 1 are respectively arranged below the two second limiting fixing devices 3, the springs 15 can provide buffering in the use process of the walking aid, so that the mechanism rigidity of the walking aid is not too high, the use comfort is improved, meanwhile, the tension of the springs 15 plays a role in protecting the second limiting fixing devices so as to prevent the second support 1 from being damaged due to too large force acting on the second limiting fixing devices 3, meanwhile, the springs 15 can also provide tension when the second support 1 is folded, and the folding efficiency of the walking aid is improved;
the trundles 14 are arranged below the two first supports 2 and the two second supports 1, the trundles 14 arranged below the second supports 1 are universal trundles, the moving capacity of the walking aid and the controllability of a user are improved, and the distance between the two universal trundles is smaller than that between the trundles of the two first supports 2, so that the user can steer more flexibly when using the walking aid;
furthermore, the two universal casters are provided with brake devices, so that a user can step down the brake devices by feet when stopping for rest or stopping using the walking aid, and the safety of the walking aid is improved;
the projection of the handle assembly on the horizontal plane is positioned in a quadrangle formed by four trundles, when a user uses the walking aid, the arm passes through the protective arm, the two hands hold the handles, the body naturally tilts forwards, the projection of the handle assembly on the horizontal plane is positioned between the trundles 14 of the two second supports 1 and the trundles 14 of the two first supports 2, so that the walking aid does not have the risk of toppling, and the structural center of gravity of the walking aid is positioned in the middle;
be provided with an elastic webbing 6 in first crossbeam 11 towards the intermediate position of user one side, the both ends of elastic webbing 6 are respectively through the both sides of screw 7 fixation at the two connecting rods of first crossbeam 11, and when first crossbeam 11 expansion state, elastic webbing 6 is for expanding the state of tiling, and when first crossbeam was fold condition, the elastic webbing perk formed a pull ring, and the pull ring is used for dragging the capable ware under the fold condition, makes things convenient for the removal of capable ware.
The use method of the foldable portable walking aid comprises the following steps:
walking aid deployment procedure
(1) Rotating the two second supports 1 to the two second limiting fixing devices 3 respectively around the positions hinged with the two first supports 2, so that the telescopic clamping mechanisms oppositely arranged on the second supports 1 fall into through holes on the circular arc structures of the second limiting fixing devices 3, and the support components are unfolded;
(2) pulling the two first supports 2 transversely in opposite directions to expand the first, second and third cross beams, mounting the fastening devices of the cross beams on the cross beams, and screwing the nuts 9 to complete the expansion of the cross beam assembly;
(3) the two upright posts 21 of the handle assembly rotate to the two first limiting fixing devices 4 around the hinged positions of the two first supports 2 respectively, so that the telescopic clamping mechanisms which are oppositely arranged on the upright posts 21 fall into the through holes on the circular arc structures of the first limiting fixing devices 4, and the expansion of the handle assembly is completed.
Folding process of walking aid
(1) Pressing down telescopic clamping mechanisms oppositely arranged on two upright posts 21 of the handle assembly, releasing the upright posts 21 from the two first limiting and fixing devices 4, and folding the handle assembly towards the first bracket 2 to complete the folding of the handle assembly;
(2) the fastening devices on the first, second and third cross beams are detached, and the two connecting rod structures of the first, second and third cross beams are moved upwards and folded to complete the folding of the cross beam assembly (three fastening pieces can be sleeved on a stud and fixed by nuts so as to avoid losing);
(3) and pressing down the telescopic clamping mechanisms which are oppositely arranged on the second support 1, releasing the second support from the two second limiting fixing devices 3, and folding the second support 1 towards the first support 2 to complete the folding of the support component.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that certain features may be substituted in equivalent manner. Any modification and equivalent replacement within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A foldable portable walking aid, characterized in that: comprises a bracket component, a beam component and a handle component; the bracket assembly consists of two first brackets and two second brackets, the two first brackets are connected together through the beam assembly, the first brackets and the second brackets form a shape like a Chinese character 'in', the two second brackets are respectively hinged with the middle parts of the two first brackets, and the two second brackets are positioned at the inner sides of the two first brackets; the handle assembly is positioned at the upper part of the bracket assembly; when the foldable bracket is used, the beam assembly can be unfolded from a folded state, the handle assembly can be unfolded and fixed in a rotating mode relative to the bracket assembly, and the second bracket can be unfolded and fixed in a rotating mode relative to the first bracket; the beam assembly consists of a first beam, a second beam and a third beam, the first beam, the second beam and the third beam have the same structure and are respectively positioned at the upper part, the middle part and the lower part of the first support, and two ends of the first beam, the second beam and the third beam are respectively fixedly connected with the two first supports; the second cross beam is arranged at the position where the first bracket is connected with the second bracket; the first beam, the second beam and the third beam are of a two-link structure with a pivot in the middle, so that transverse folding can be realized; the first cross beam, the second cross beam and the third cross beam are all provided with fastening devices, when the cross beams are in an unfolded state, the cross beams are kept in the unfolded state, and the fastening devices are arranged on one side of the cross beams, which faces away from a user; the fastening device comprises two studs fixedly arranged on the two connecting rod structures, a fastening piece and two nuts matched with the two studs, when the first, second and third cross beams are in an unfolded state, the fastening piece respectively passes through the two studs on the first, second and third cross beams, and is fixed on the first, second and third cross beams through the nuts; the handle assembly comprises two upright posts, two handles, two guard arms and locking screws, the tops of the two upright posts are respectively hinged with the tops of the two first supports and are positioned at the inner sides of the two first supports, the two handles are respectively positioned at the lower parts of the two upright posts, the two guard arms can respectively slide and rotate on the two upright posts and can be fastened on the upright posts through the locking screws, the use is that the openings of the guard arms face a user, when the foldable storage device is used, the openings of the guard arms face the first supports, and the storage space is saved; the two first brackets are also provided with a pair of first limiting and fixing devices and a pair of second limiting and fixing devices for limiting the moving positions of the handle assembly and the two second brackets; the first limiting fixing device is arranged at a position close to the joint of the upright post and the first support; the second limiting fixing device is arranged at a position close to the joint of the second bracket and the first bracket; the first limiting fixing device is positioned at the upper end of the first support, one end of the first limiting fixing device is fixedly connected to the inner side of the first support, the other end of the first limiting fixing device is of an arc structure matched with the stand column of the handle assembly, two opposite through holes are formed in the arc structure, and when the stand column is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the stand column fall into the through holes in the arc structure, so that limiting and fixing of the stand column are realized; the second limiting fixing device is positioned at the middle lower part of the first support, between the second cross beam and the third cross beam, one end of the second limiting fixing device is fixedly connected to the inner side of the first support, the other end of the second limiting fixing device is of an arc structure matched with the second support, two opposite through holes are formed in the arc structure, and when the second support is clamped into the arc structure, the telescopic clamping mechanisms oppositely arranged on the second support fall into the through holes in the arc structure, so that limiting and fixing of the second support are realized; the protective arm is in a cylindrical shape with an opening on the side surface of a cylinder and comprises an inner layer and an outer layer, the outer layer is made of plastic materials, the inner layer is made of sponge, and the arm of a user can enter from the opening on the side surface of the protective arm and also can enter from the upper part of the protective arm so as to grasp the handle; springs for connecting the first bracket and the second bracket are respectively arranged below the two second limiting fixing devices; the spring is used for providing damping protection, and a user can fall down when the second limiting fixing device fails; meanwhile, damping is provided for the shaking generated when the walking aid is used; trundles are arranged below the two first supports and the two second supports, and the trundles arranged below the second supports are universal trundles; the caster wheels arranged below the second bracket are common caster wheels; the two universal casters are provided with brake devices; an elastic belt is arranged in the middle of one side of the first cross beam facing a user, two ends of the elastic belt are fixed on two sides of the two connecting rods of the first cross beam through screws respectively, and when the first cross beam is in an unfolded state, the elastic belt is in an unfolded and tiled state; when the first beam is in a folded state, the elastic belt is tilted to form a pull ring, and the pull ring is convenient for dragging the walking aid in the folded state.
2. A foldable portable walker according to claim 1 wherein there is provided a washer, which may be plural, in cooperation with the nut.
3. A foldable portable walker according to claim 2 wherein the spacing between the castors is less than the common castor spacing of the first brackets.
4. A foldable portable walker according to claim 3 wherein the projection of the handle assembly on the horizontal plane is located within the quadrilateral formed by the four castors and adjacent to the common castors.
CN201811100025.3A 2018-09-20 2018-09-20 Foldable portable walking aid Expired - Fee Related CN109009900B (en)

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CN109009900B true CN109009900B (en) 2021-02-09

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