US4272071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walker apparatus
Assignee: Individual
•
Filing: 1979-04-25
•
Granted: 1981-06-09
•
Expires: 1999-04-25
Abstract
Abstract A walker apparatus is disclosed which includes a support structure which extends substantially from the ground to the underarms of the user and encloses the user. The support structure includes a number of horizontally disposed ring members which are vertically separated by a plurality of struts and are pivotally connected to a longitudinally extending axial member. The support structure also includes a locking mechanism which is disposed at the upper front of the support structure. The walker apparatus also includes hand grips or, alternatively, crutches which extend from the uppermost ring member to the floor.
Inventors
- 👤 Barbara A. Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:09
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61H2003/046
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
235 words
A walker apparatus for assisting a person who has a walking disability to move about in a substantially erect posture and by means of that person's own strength, comprising: a support structure having a plurality of structural members interconnected to define a shape approximating a truncated cone, said support structure having a height which is vertically adjustable to extend from a region near the surface on which said support structure is placed to the underarms of said person using said walker, said structural members including: a plurality of horizontally disposed ring members, each having first and second curvilinear elements interfacing at joining means for providing pivotation about an axis common to all said ring members; a plurality of strut members interconnected between respective ones of said curvilinear elements of said ring members to concentrically orient and vertically separate said ring members thereby establishing a lowermost ring member and an uppermost ring member; and an axial member associated with said joining means of each ring member and extending from said lowermost ring member to said uppermost ring member longitudinally along the forward portion of said walker apparatus for providing said common axis; and means for aiding the stabilization and movement of said support structure, said means being connected to one of said structural members at said region near the surface on which said support structure is placed and extending from said structural member to said surface.
Claim 2
Dependent Claim
235 words
A walker apparatus for assisting a person who has a walking disability to move about in a substantially erect posture and by means of that person's own strength, comprising: a support structure having a plurality of structural members interconnected to define a shape approximating a truncated cone, said support structure having a height which is vertically adjustable to extend from a region near the surface on which said support structure is placed to the underarms of said person using said walker, said structural members including: a plurality of horizontally disposed ring members, each having first and second curvilinear elements interfacing at joining means for providing pivotation about an axis common to all said ring members; a plurality of strut members interconnected between respective ones of said curvilinear elements of said ring members to concentrically orient and vertically separate said ring members thereby establishing a lowermost ring member and an uppermost ring member; and an axial member associated with said joining means of each ring member and extending from said lowermost ring member to said uppermost ring member longitudinally along the forward portion of said walker apparatus for providing said common axis; and means for aiding the stabilization and movement of said support structure, said means being connected to one of said structural members at said region near the surface on which said support structure is placed and extending from said structural member to said surface.
Claim 3
Dependent Claim
55 words
A walker apparatus as recited in claim 1, wherein: said strut members include: a plurality of outer telescoping elements; and a plurality of inner telescoping elements slidably associated within, but extending outwardly from, said outer telescoping elements; and said axial member including: an outer element; and an inner element telescopically associated with said outer element.
Claim 4
Dependent Claim
49 words
A walker apparatus as recited in claim 1, further including: a first hand grip connected to a respective pair of said strut members associated with said first curvilinear elements; and a second hand grip connected to a respective pair of said strut members associated with said second curvilinear elements.
Claim 5
Dependent Claim
88 words
A walker apparatus as recited in claim 1, wherein said stabilization and movement means includes: two roller elements, one of said roller elements being connected to said first curvilinear element of said lowermost ring member proximate said axial member and the other of said roller elements being connected to said second curvilinear element of said lowermost ring member proximate said axial member; and two frictional skid elements, each connected to a respective curvilinear element of said lowermost ring member nearer to the ends thereof opposite said roller elements.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-08 | 1984-12-08 | 1985-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-08 | 1988-12-08 | 1989-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-08 | 1992-12-08 | 1993-06-09 | $7700.00 | Window Closed / Lapsed |