US4162101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walker for invalid persons
Assignee: Individual
•
Filing: 1977-09-08
•
Granted: 1979-07-24
•
Expires: 1997-09-08
Abstract
Abstract A walker for invalid persons is described having a three sided frame structure permitting an invalid patient to lift the structure, place it in a forward position, and then walk into the cavity of the structure and also providing means for seating the party interiorly to the frame structure with seat means that automatically swings up and out of the way when seating is not desired.
Inventors
- 👤 John E. McCague, Sr.
- 👤 Elinor M. McCague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:00
CPC Classifications
A; A61; A61H; A61H3/00; A45; A45B; A45B5/00; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/1633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
358 words
A walker for invalid persons comprising a right side, a left side, a front side, and seat means interiorly to said right, left, and front sides; said left side and said right side each comprising an "A" frame structure having two spaced apart upright members and at least two horizontal members; said front side comprising one member each of said right side and said left side upright members and at least two horizontal members, said horizontal members attached to said left side and right side upright members; said seat means including a seat, upright lever means attached at right angles to said seat and on opposite sides thereon between said seat and said left and right side upright member, a plurity of stops, and pivotal means, said pivotal means attached to said upright lever means and said front side means; and spring means operably attached to said upright lever means, said spring means including a spring and elongated spring extension means, said spring attached at one end to one of said front side horizontal members and at the other end to one end of said elongated spring extension means, the other end of said spring extension means attached to said upright lever means, said spring extension means defining elongated metal means having an arcuate portion cut therefrom, said arcuate portion arranged to surround on one side said seat pivotal means; said stops engaging said front side vertical members when said seat is in a upright vertical position and said stops engaging said left side and said right side horizontal members when said seat is in a horizontal position; and said left side and right side vertical members are provided with rubber feet and said left side and right side cross-member is provided with rubber grips whereby when said seat is down, said upright lever, the spring means, and pivotal means are in a substantially straight vertical line and when said seat is not being used and pivots upward, it will be substantially in line with the fron siade interiorly to said right, left and front sides and provide maximum interior space for the person walking to walk in.
Claim 2
Dependent Claim
358 words
A walker for invalid persons comprising a right side, a left side, a front side, and seat means interiorly to said right, left, and front sides; said left side and said right side each comprising an "A" frame structure having two spaced apart upright members and at least two horizontal members; said front side comprising one member each of said right side and said left side upright members and at least two horizontal members, said horizontal members attached to said left side and right side upright members; said seat means including a seat, upright lever means attached at right angles to said seat and on opposite sides thereon between said seat and said left and right side upright member, a plurity of stops, and pivotal means, said pivotal means attached to said upright lever means and said front side means; and spring means operably attached to said upright lever means, said spring means including a spring and elongated spring extension means, said spring attached at one end to one of said front side horizontal members and at the other end to one end of said elongated spring extension means, the other end of said spring extension means attached to said upright lever means, said spring extension means defining elongated metal means having an arcuate portion cut therefrom, said arcuate portion arranged to surround on one side said seat pivotal means; said stops engaging said front side vertical members when said seat is in a upright vertical position and said stops engaging said left side and said right side horizontal members when said seat is in a horizontal position; and said left side and right side vertical members are provided with rubber feet and said left side and right side cross-member is provided with rubber grips whereby when said seat is down, said upright lever, the spring means, and pivotal means are in a substantially straight vertical line and when said seat is not being used and pivots upward, it will be substantially in line with the fron siade interiorly to said right, left and front sides and provide maximum interior space for the person walking to walk in.
References Cited (Backward Citations)
US673100A
Cited
US1104615A
Cited
US1210518A
Cited
US1448783A
Cited
GB197129A
Cited
US2798533A
Cited
US2776701A
Cited
US3354893A
Cited
US3633906A
Cited
US3993349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-07-23 | 1983-01-22 | 1983-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-23 | 1987-01-22 | 1987-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-23 | 1991-01-22 | 1991-07-24 | $7700.00 | Window Closed / Lapsed |