Patent US3759544A successfully refreshed from Google Patents.
US3759544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel chair with pivoted hand bar
Assignee: SUUMEN VANUTEHDAS FINNWAD Ltd
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Filing: 1971-04-27
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Granted: 1973-09-18
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Expires: 1991-04-27
Abstract
Abstract A wheel chair for handicapped persons. The wheel chair includes a pair of hand bars pivotally mounted to the sides of the chair to assist the disabled person to enter or leave the chair. When not in use, the hand bars may be stored away under the wheel chair''s arm-rest, or they may be folded back to act as pushing handles for the chair.
Inventors
- 👤 V Korpela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:48
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1089; A61G5/14; A61G7/00; A61G7/10; A61G7/1038; Y; Y10; Y10S; Y10S297/00; Y10S297/04; Y10S297/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
120 words
In combination with a wheel chair for supporting a handicapped person, a hand bar supported at one end by said wheel chair and at the other end by an external support surface, the ingress and egress of said handicapped person to said wheel chair being accomplished by the application of hand force to said hand bar, comprising: a. means for pivotally connecting said one end of said hand bar to said wheel chair, said hand bar being free to pivot in all directions; b. means for displacing said connecting means in a vertical direction for supporting the handicapped person when in an erect position; and c. an outwardly extending telescopic extension for adjustment of the length of said hand bar.
Claim 2
Dependent Claim
120 words
In combination with a wheel chair for supporting a handicapped person, a hand bar supported at one end by said wheel chair and at the other end by an external support surface, the ingress and egress of said handicapped person to said wheel chair being accomplished by the application of hand force to said hand bar, comprising: a. means for pivotally connecting said one end of said hand bar to said wheel chair, said hand bar being free to pivot in all directions; b. means for displacing said connecting means in a vertical direction for supporting the handicapped person when in an erect position; and c. an outwardly extending telescopic extension for adjustment of the length of said hand bar.
Claim 3
Dependent Claim
18 words
The combination according to claim 1, wherein said hand bar has at least on gripping element mounted thereon.
Claim 4
Dependent Claim
18 words
The combination according to claim 1, wherein said hand bar curves progressively downwardly at said other End thereof.
Claim 5
Dependent Claim
39 words
The combination according to claim 1, wherein said chair is provided with an arm-rest, said arm-rest having a sufficient clearance therebelow, with respect to said chair, such that said hand bar may be stored thereunder when not in use.
Claim 6
Dependent Claim
36 words
The combination according to claim 1, wherein said pivotally connecting means is positioned on said chair such that said hand bar is rotatable to the rear of said chair to double as a pushing shaft therefor.
Claim 7
Dependent Claim
57 words
The combination according to claim 1, wherein said pivotally connecting means is positioned on said chair such that said hand bar is rotatable to the rear of said chair, and said hand bar has a portion thereon to support the arm of said handicapped person when seated in said chair, when said hand bar is so rotated.
Claim 8
Dependent Claim
42 words
The combination according to claim 1, wherein said displacing means comprises a vertical bore in the side of said chair for receiving a tube attached to said connecting means, and means for retaining said tube at a fixed position in said bore.
Claim 9
Dependent Claim
31 words
The combination according to claim 1, wherein said hand bar has a portion at said other end thereof which is bent through an angle of from approximately 90* to approximately 120*.
Claim 10
Dependent Claim
52 words
The combination according to claim 8, further comprising a handle slidably mounted about said hand bar, and spring means for normally biassing said handle at the end of said hand bar mounted to said chair, the bend in said hand bar serving to limit the degree of downward travel of said handle.
Claim 11
Dependent Claim
20 words
The combination according to claim 1, wherein said hand bar has a stepped bend therein at said other end thereof.
Claim 12
Dependent Claim
52 words
The combination according to claim 10, further comprising a handle slidably mounted about said hand bar, and spring means for normally biassing said handle at the end of said hand bar mounted to said chair, the bend in said hand bar serving to limit the degree of downward travel of said handle.
Claim 13
Dependent Claim
40 words
The combination according to claim 1, wherein said pivotally connecting means includes means for selectively detaching said hand bar from said chair whereby said hand bar may double as a support for said handicapped person when away from said chair.
References Cited (Backward Citations)
US2734554A
Cited
US1001240A
Cited
US1570307A
Cited
US1972557A
Cited
US2596055A
Cited
US3023048A
Cited
US3085258A
Cited
US3162867A
Cited
US3259427A
Cited
US3398974A
Cited
US3584890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |