Perambulating therapeutic support

• US 5,112,044 A
• Filed: 10/22/1990
• Issued: 05/12/1992
• Est. Priority Date: 10/22/1990
• Status: Expired due to Term

• Current Assignee: Second Step, Inc.
• Original Assignee: Barbara A. Dubats
• Inventors: Dubats, Barbara A.
• Primary Examiner(s): Raduazo, Henry E.
• Application Number:
  US07/600,860
• Time in Patent Office: 568 Days
• Field of Search: 135/85, 135/67, 297/5, 297/6, 272/20, 272/70.4, 272/70.3
• US Class Current: 482/68
• CPC Class Codes: A61H 2003/046 with braking means
• CPC Class Codes: A61H 2201/1633 Seat A61H2201/0149 takes precedence
• CPC Class Codes: A61H 3/04 Wheeled walking aids for disabled persons A61H3/06 takes precedence

Abstract

A prosthetic-type device which that restores independent ambulatory ability to individuals who have experienced diminished mobility includes a "U"-shaped member that supports a flexible harness, similar to that employed by mountain climbers. This harness encloses the waist, with additional support for the occupant provided by a crotch strap, and maintains body position of the occupant at an appropriate height, adjustable via a button-operated pin locking system incorporated into a rear vertical support member, allowing the occupant'"'"'s legs to reach the floor. The U-shaped support member is curved, and attaches to a height adjustment housing via the pin locking system, and subsequently into a base, on which are fixed a plurality of swivel mounted casters, each with a weight-activated braking mechanism.

Claims

1. An apparatus having utility as a walking aid, comprising:

a "U"-shaped lower frame assembly including a transversely disposed forward part and a pair of parallel, longitudinally extending parts integral therewith that extend rearwardly therefrom to collectively form a three-sided area within which an individual using said apparatus may walk or stand;

a "U"-shaped upper frame assembly having substantially the same configuration as said lower frame assembly, said upper frame assembly being vertically spaced upwardly of said lower frame assembly, and said upper frame assembly lying in a plane parallel to a plane defined by said lower frame assembly;

a transversely disposed rear stay bar disposed in interconnecting relation to transversely opposed opposite ends of said upper frame assembly to enclose on four sides an individual using said apparatus;

an annular harness adapted to circumscribe an individual'"'"'s waist, said harness being oriented in a plane parallel to the respective planes of said upper and lower frame assemblies;

said harness being positioned below the plane of said upper frame assembly and above the plane of said lower frame assembly;

a diametrically extending support strap interconnecting diametrically opposite parts of said harness;

a plurality of harness support straps extending radially from said harness to the transversely extending forward part of said upper frame assembly and said rear stay bar, said harness support straps having a preselected length to position said harness substantially centrally of said upper frame assembly;

said apparatus being rotatably supported by a plurality of caster wheels;

means for braking said caster wheels when downward pressure is applied thereto;

said upper frame assembly being vertically adjustable with respect to said lower frame assembly so that said apparatus accommodates individuals of differing heights;

height adjustment means for adjusting the height of said upper frame assembly with respect to said lower frame assembly;

width adjustment means operative to widen said apparatus to accommodate individuals of differing widths; and

means for folding said apparatus.

2. The apparatus of claim 1, wherein said rear stay bar is detachably secured to said "U"-shaped upper frame assembly to facilitate entry of an individual into the space surrounded by said upper frame assembly.

3. The apparatus of claim 1, wherein said width adjustment means includes telescoping parts that collectively form said transversely disposed forward part of said upper frame assembly, said rear stay bar, and said transversely disposed forward part of said lower frame assembly, respectively, and wherein said width adjustment means further includes locking means for locking the telescoping parts into a preselected functional position of adjustment.

4. The apparatus of claim 3, wherein said means for braking said caster wheels includes a vertically adjustable brake pad positioned a preselected distance above a preselected caster wheel, a housing to which said brake pad is mounted, and a bias means disposed within said housing, said brake pad being positioned in vertically spaced relation to an associated caster wheel.

5. The apparatus of claim 4, wherein opposite ends of said bias means are secured to a pivot axle within said housing and a bracket fastener disposed within said housing in spaced relation to said pivot axle so that said bias means biases said housing and hence said brake pad away from said caster wheel.

6. The apparatus of claim 5, further comprising a support bracket for said brake pad, said support bracket extending radially from said housing, and said brake pad being screw threadedly engaged to said support bracket so that rotation of said brake pad adjusts the vertical spacing between said brake pad and its associated wheel so that the downward force required to engage said brake pad and associated wheel is adjustable.

7. The apparatus of claim 1, wherein said height adjustment means includes a left height adjustment housing, a right height adjustment housing, and a pair of extension members that are telescopically received within their associated height adjustment housings.

8. The apparatus of claim 7, further comprising locking means for locking said left and right height adjustment housings into a preselected functional position of adjustment relative to their associated extension members.

9. The apparatus of claim 8, wherein said height adjustment housings and their associated extension members are detachable from one another.

10. The apparatus of claim 9, further comprising:

an elongate lever disposed internally of each of said extension members;

each of said extension members being telescopically received within an inside support shroud, each of said inside support shrouds being housed within an associated height adjustment housing;

a plurality of apertures formed in said extension members and said inside support shrouds along the respective extents thereof;

a height adjustment locking pin secured to a distal end of said lever; and

a height adjustment push button secured to a proximal end of said lever;

whereby the height of said apparatus is adjusted when said push button is pushed to retract said locking pin, and wherein a preselected height is locked in when said push button is released, said locking pin extending through said extension member holes and said inside support shroud apertures when said locking pin is extended.

11. The apparatus of claim 7, wherein opposite ends of said "U"shaped lower frame assembly are pivotally connected to respective lowermost ends of said height adjustment housings.

12. The apparatus of claim 11, further comprising an inclined structural reinforcing bar disposed in interconnecting relation between an upper end of each height adjustment housing and a forward end of said lower frame assembly.

13. The apparatus of claim 12, further comprising left and right pivot bracket assemblies positioned at the forward end of said "U"-shaped lower frame assembly so that said left and right height adjustment housings are foldable toward the central axis when said upper frame assembly is detached from said lower frame assembly.

14. The apparatus of claim 13, further comprising an upstanding feeding bag support pole that is secured to a preselected part of said apparatus.

15. The device of claim 1, further comprising means for enhancing the vertical stability of said device, said means including a wide support stay, said wide support stay including an auxiliary caster wheel positioned laterally of the caster wheels that support the device, said wide support stay including a triangular array of support members for connecting the auxiliary caster wheel to said device.