Patent US3835486A successfully refreshed from Google Patents.
US3835486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping novel stand assembly
Assignee: Inter Royal Corp
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Filing: 1972-08-14
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Granted: 1974-09-17
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Expires: 1992-08-14
Abstract
Abstract A support stand, particularly for hospital beds, includes outer and inner telescoping members arranged one within the other and which are telescopically movable for varying the heighth of the stand. The outer member carries a cross piece on its upper end having ends formed in a spiral to provide means for engaging articles thereon. The two members may be adjusted in height and locked into position by a releasable lock mechanism which includes a plurality of balls which are wedged into engagement between the two members for locking purposes and released for unlocking purposes.
Inventors
- 👤 R Benoit
- 👤 J Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/0503; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415; F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1409
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
132 words
A support stand for a bed comprising outer and inner telescoping members arranged one within the other to form an extensible and retractable stand and being telescopically movable for varying the height of the stand, means at the top of the stand for supporting articles thereon, a housing on the outer telescoping member comprising a plurality of vertically extending bulging portions spaced around said inner member, a ball contained in each of said bulging portions, said bulging portions having outer walls extending inwardly toward said inner telescoping member, resilent means biasing said balls towards the inwardly extending walls of said bulging portions, and a release member carried on the outside of said outer telescopic member engageable with said balls for moving said balls against said resilient means to Release said locking means.
Claim 2
Dependent Claim
132 words
A support stand for a bed comprising outer and inner telescoping members arranged one within the other to form an extensible and retractable stand and being telescopically movable for varying the height of the stand, means at the top of the stand for supporting articles thereon, a housing on the outer telescoping member comprising a plurality of vertically extending bulging portions spaced around said inner member, a ball contained in each of said bulging portions, said bulging portions having outer walls extending inwardly toward said inner telescoping member, resilent means biasing said balls towards the inwardly extending walls of said bulging portions, and a release member carried on the outside of said outer telescopic member engageable with said balls for moving said balls against said resilient means to Release said locking means.
Claim 3
Dependent Claim
27 words
A support stand for a bed, according to claim 1, wherein said release member comprises a spring having an engagement portion projecting outwardly from said outer member.
Claim 4
Dependent Claim
38 words
A support stand for a bed, according to claim 2, wherein said member includes a stop portion at the interior of said outer member engageable with said inner member to prevent separation of said inner and outer members.
Claim 5
Dependent Claim
67 words
A support stand for a bed, according to claim 1, including an annular plate contained in said housing member surrounding said inner member, said balls being carried on said annular plate, said spring biasing said plate in a direction upwardly to urge said balls into the narrowest portion of said ball bulging parts to wedge said housing, said balls and said inner member in a locked position.
Claim 6
Dependent Claim
22 words
A support stand for a bed, according to claim 1, including a cross member carried at the upper end of said stand.
Claim 7
Dependent Claim
55 words
A support stand for a bed, according to claim 5, wherein said cross member includes a cap engageable with the top of said stand and having recess means, said outer member having projection means engageable with said recess means of said cap for locking said cross member in respect to the top of said stand.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |