A walker for aiding locomotion comprises a frame structure including: a first and second side frame comprising (i) a first and second anterior frame portion, (ii) a first and second posterior frame portion, and (iii) a first superior frame portion connecting an upper end of the first anterior frame
A walker for aiding locomotion comprises a frame structure including: a first and second side frame comprising (i) a first and second anterior frame portion, (ii) a first and second posterior frame portion, and (iii) a first superior frame portion connecting an upper end of the first anterior frame portion with an upper end of the first posterior frame portion, and (iv) a second superior frame portion connecting an upper end of the second anterior frame portion with an upper end of the second posterior frame portion. The first posterior frame portion of the first side frame comprises a first upper posterior collar and the second posterior frame portion of the second side frame comprises a second upper posterior collar. A first and second rotatable hand-rail are connected pivotally to the first and second upper posterior collar of the first and second posterior frame portion.
대표청구항▼
1. A walker for aiding locomotion, the walker comprising: a frame structure including: a first side frame comprising (i) a first anterior frame portion having a first adjustable length, (ii) a first posterior frame portion having a second adjustable length, and (iii) a first superior frame portion h
1. A walker for aiding locomotion, the walker comprising: a frame structure including: a first side frame comprising (i) a first anterior frame portion having a first adjustable length, (ii) a first posterior frame portion having a second adjustable length, and (iii) a first superior frame portion having a first fixed length, wherein the first superior frame portion connects an upper end of the first anterior frame portion with an upper end of the first posterior frame portion; anda second side frame comprising (i) a second anterior frame portion having a third adjustable length, (ii) a second posterior frame portion having a fourth adjustable length, and (iii) a second superior frame portion having a second fixed length, wherein the second superior frame portion connects an upper end of the second anterior frame portion with an upper end of the second posterior frame portion;wherein, the first posterior frame portion of the first side frame comprises a first upper posterior collar and the second posterior frame portion of the second side frame comprises a second upper posterior collar;wherein, a first rotatable hand-rail is connected pivotally to the first upper posterior collar of the first posterior frame portion of the first side frame and a second rotatable hand-rail is connected pivotally to the second upper posterior collar of the second posterior frame portion of the second side frame;an inter-frame support assembly including an anterior support bar connecting the first anterior frame portion of the first frame to the second anterior frame portion of the second frame; andan intra-frame support assembly including a first side support bar connecting the first anterior frame portion of the first side frame with the first posterior frame portion of the first side frame and a second side support bar connecting the second anterior frame portion of the second side frame with the second posterior frame portion of the second side frame,wherein, a lower end of the first posterior frame portion terminates in a first tip;a lower end of the second posterior frame portion terminates in a second tip;a lower end of the first anterior frame portion comprises (i) a first angular segment formed by a first bend in the lower end of the first anterior frame portion at a fixed angle relative to a remaining portion of the first anterior frame portion, the first angular segment terminating in a third tip, and (ii) a first wheel directly connected to the first angular segment through a first wheel-connection joint; anda lower end of the second anterior frame portion comprises (i) a second angular segment formed by a second bend in the lower end of the second anterior frame portion at the fixed angle relative to a remaining portion of the second anterior frame portion, the second angular segment terminating in a fourth tip, and (ii) a second wheel directly connected to the second angular segment through a second wheel-connection joint. 2. The walker of claim 1, wherein: when the first and second posterior frame portion are placed on a first surface and the first and second anterior frame portion are placed on a second surface, the first surface being at a predetermined elevation above the second surface, the first and second rotatable hand-rail are configurable to extend posteriorly outward and parallel to the first and second side frame thereby forming active hand supports on non-level surfaces; andwhen each of the first and second posterior frame portion as well as the first and second anterior frame portion are placed on a third substantially planar surface: (i) the first and second rotatable hand-rail are configurable to fold anteriorly inward and parallel to the first and second side frame thereby disallowing active use on a level surface, and(ii) a first stationary hand-rail on the first superior frame portion and a second stationary hand-rail on the second superior frame portion are configured to form active hand supports on level surfaces. 3. The walker of claim 1, wherein when the first and second posterior frame portion are placed on a first surface and the first and second anterior frame portion are placed on a second surface, the first surface being at a predetermined elevation above the second surface, (i) a substantial portion of a respective tip-base of the first tip and the second tip make contact with the first surface, and(ii) a substantial portion of a respective tip-base of the third tip and the fourth tip make contact with the second surface. 4. The walker of claim 3, wherein: the first surface is a horizontal surface of a first step and the second surface is a horizontal surface of a second step;the first step and the second step are consecutive steps in a stairway;the second step is lower than the first step; andthe horizontal surface of the first step and the horizontal surface of the second step are separated by a vertical surface of the first step;the vertical surface of the first step has a height corresponding to the predetermined elevation. 5. The walker of claim 1, wherein when the first and second posterior frame portion are placed on a first surface and the first and second anterior frame portion are placed on a second surface, the first surface being at a predetermined elevation above the second surface, the first and second side support bar are parallel to both the first and second surface. 6. The walker of claim 5, wherein when the first and second posterior frame portion are placed on the first surface and the first and second anterior frame portion are placed on the second surface, a first ratio between the first and second adjustable lengths and a second ratio between the third and fourth adjustable lengths are configurable so as to align the first and second side support bar parallel to both the first and second surface. 7. The walker of claim 5, wherein, when the first and second posterior frame portion are placed on the first surface and the first and second anterior frame portion are placed on the second surface, a substantially planar plank surface balanced on the first and second side support bar lies in a plane parallel to both the first and second surface and forms a detachable seat. 8. The walker of claim 1, wherein when each of the first and second posterior frame portion as well as the first and second anterior frame portion are placed on a third substantially planar surface, a first ratio between the first and second adjustable lengths and a second ratio between the third and fourth adjustable lengths are configurable so as to align the first and second side support bar parallel to the third surface. 9. The walker of claim 8, wherein when each of the first and second posterior frame portion as well as the first and second anterior frame portion are placed on the third surface, a substantially planar plank surface balanced on the first and second side support bar lies in a plane parallel to the third surface and forms a detachable seat. 10. The walker of claim 1, wherein: the first posterior frame portion of the first side frame further comprises a first lower posterior collar;the second posterior frame portion of the second side frame further comprises a second lower posterior collar;the first anterior frame portion of the first side frame comprises a first lower anterior collar; andthe second anterior frame portion of the second side frame comprises a second lower anterior collar. 11. The walker of claim 10, wherein: the first and second lower anterior collar each comprises N slots, where N is a positive integer between 5 and 12; andthe first and second lower anterior frame portion each comprises a protrusion configured to correspondingly lock into one of the N slots when the first and second lower anterior collar slidably engage correspondingly with the first and second anterior frame portion, thereby correspondingly defining the first and third adjustable length. 12. The walker of claim 10, wherein: the first and second lower posterior collar each comprises M slots, where M is a positive integer between 5 and 12; andthe first and second lower posterior frame portion each comprises a protrusion configured to correspondingly lock into one of the M slots when the first and second lower posterior collar slidably engage correspondingly with the first and second posterior frame portion, thereby correspondingly defining the second and fourth adjustable length. 13. The walker of claim 10, wherein one or more of the first and second upper posterior collar, the first and second lower posterior collar, and the first and second lower anterior collar are coated in a first predetermined color and one or more corresponding rims of the one or more respective collars are coated in a second predetermined color. 14. The walker of claim 1, wherein when each of the first and second posterior frame portion as well as the first and second anterior frame portion are placed on a third substantially planar surface, an average of a first separation between the first tip and the third tip and a second separation between the second tip and the fourth tip is greater than an average of the first and second predefined lengths of first and second superior frame portion. 15. The walker of claim 1, wherein: the walker is further configured to stably assist a transition from seated to standing posture by way of pushing against a first stationary hand-rail on the first superior frame portion or against a second stationary hand-rail on the second superior frame portion; andthe walker is configured to pivotally tilt on the first tip and the second tip of the lower end of the first and second posterior frame portion upon detecting a pull on the first stationary hand-rail or on the second stationary hand-rail thereby disallowing a transition from seated to standing posture by way of pulling against the first stationary hand-rail and the second stationary hand-rail. 16. The walker of claim 1, wherein the first and second anterior frame portion comprise respective first and second actuation tongues for collapsibly folding the walker upon actuation, the first and second actuation tongues extending anteriorly outward to prevent accidental actuation and folding of the walker. 17. A walker for aiding locomotion, the walker comprising: a first side frame comprising (i) a first anterior frame portion having a first adjustable length, (ii) a first posterior frame portion having a second adjustable length, (iii) a first superior frame portion having a first fixed length and connecting an upper end of the first anterior frame portion with an upper end of the first posterior frame portion, and (iv) a first side support bar connecting the first anterior frame portion of the first side frame with the first posterior frame portion; anda second side frame comprising (i) a second anterior frame portion having a third adjustable length, (ii) a second posterior frame portion having a fourth adjustable length, (iii) a second superior frame portion having a second fixed length, connecting an upper end of the second anterior frame portion with an upper end of the second posterior frame portion, and (iv) a second side support bar connecting the second anterior frame portion of the second side frame with the second posterior frame portion of the second side frame;wherein, when the first and second posterior frame portion are placed on a first surface and the first and second anterior frame portion are placed on a second surface, the first surface being at a predetermined elevation above the second surface: (i) the first and second side support bar are parallel to both the first and second surface, and(ii) a substantially planar plank surface balanced on the first and second side support bar lies in a plane parallel to both the first and second surface and forms a detachable seat,wherein, a lower end of the first posterior frame portion terminates in a first tip;a lower end of the second posterior frame portion terminates in a second tip;a lower end of the first anterior frame portion comprises (i) a first angular segment formed by a first bend in the lower end of the first anterior frame portion at a fixed angle relative to a remaining portion of the first anterior frame portion, the first angular segment terminating in a third tip, and (ii) a first wheel directly connected to the first angular segment through a first wheel-connection joint; anda lower end of the second anterior frame portion comprises (i) a second angular segment formed by a second bend in the lower end of the second anterior frame portion at the fixed angle relative to a remaining portion of the second anterior frame portion, the second angular segment terminating in a fourth tip, and (ii) a second wheel directly connected to the second angular segment through a second wheel-connection joint.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Battiston ; Sr. Joseph D. (Clifton NJ) Battiston ; Jr. Joseph (Clifton NJ), Foldable walker with plunger actuated latch assembly.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.