US4923156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stand
Assignee: Individual
•
Filing: 1989-02-03
•
Granted: 1990-05-08
•
Expires: 2009-02-03
Abstract
Abstract The present invention relates to a stand comprising a central supporting upright (2) and supporting legs (3) distributed around same, which supporting legs are mounted on the central supporting upright (2) in such a way as to be capable of being pivoted between a collapsed stowage position (I) and an unfolded supporting position (II), with the supporting legs (3) extending essentially along said central upright (2) and at an angle outwards from the central upright (2) for the purpose of erecting the stand (1) on a base. A lock (6) is provided for locking the legs (3) in the unfolded supporting position. A leg locking means (6) which supports the ends (7) of the locking legs situated closest to the central upright (2) is capable of being displaced along the central upright (2) between a stowage position maintained at a certain distance from the bearings (4) for the supporting legs and a supporting position maintained at a certain distance from the bearings for the supporting legs between a stop and said supporting leg ends (7). Simple locking is achieved, at the same time as which the stand (1) is easy to handle and occupies little space in the collapsed position.
Inventors
- 👤 Ruben Linneusson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:25
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/16; F16M11/04; F16M11/043; F16M11/046; F16M11/20; F16M11/24; F16M11/242
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
262 words
A stand comprising a central supporting upright and supporting legs distributed around same, which supporting legs are mounted on the central supporting upright by bearings in such a way as to be capable of being pivoted between a collapsed stowage position and an unfolded supporting position, with the supporting legs extending essentially along said central upright and at an angle outwards from the central upright for the purpose of erecting the stand on a base, with a lock being provided for locking the legs in the unfolded supporting position, characterized in that a movable leg locking ring is passed onto the central supporting upright in its longitudinal sense and is retained between a stowage position in which it is maintained at a certain distance from the bearings of the supporting legs and a supporting position in which it is maintained at the bearings of the supporting legs, that pivot bearing shafts for the supporting legs are situated on a level above the level for the supporting position of said leg locking ring, and the locking ring is so arranged as to be capable of being accommodated in such a way as to rest against the upper portion of a section of the leg bearing supporting part attached to the central supporting upright, with the supporting legs capable of pivoting freely downwards from its unfolded supporting position when the locking ring is resting against the supporting part for the leg bearing, and with the ends of the supporting legs closest to the central upright resting against the upper side of said locking ring.
Claim 2
Dependent Claim
262 words
A stand comprising a central supporting upright and supporting legs distributed around same, which supporting legs are mounted on the central supporting upright by bearings in such a way as to be capable of being pivoted between a collapsed stowage position and an unfolded supporting position, with the supporting legs extending essentially along said central upright and at an angle outwards from the central upright for the purpose of erecting the stand on a base, with a lock being provided for locking the legs in the unfolded supporting position, characterized in that a movable leg locking ring is passed onto the central supporting upright in its longitudinal sense and is retained between a stowage position in which it is maintained at a certain distance from the bearings of the supporting legs and a supporting position in which it is maintained at the bearings of the supporting legs, that pivot bearing shafts for the supporting legs are situated on a level above the level for the supporting position of said leg locking ring, and the locking ring is so arranged as to be capable of being accommodated in such a way as to rest against the upper portion of a section of the leg bearing supporting part attached to the central supporting upright, with the supporting legs capable of pivoting freely downwards from its unfolded supporting position when the locking ring is resting against the supporting part for the leg bearing, and with the ends of the supporting legs closest to the central upright resting against the upper side of said locking ring.
Claim 3
Dependent Claim
49 words
Stand according to claim 1, characterized in that the supporting legs in the stowage position extend essentially parallel with the central supporting upright and displaced laterally from it, and are fully pivotable in position when the locking means is arranged at a certain distance from its aforementioned locked position.
Claim 4
Dependent Claim
31 words
Stand according to claim 1, characterized in that the upper portion of the leg bearing of the supporting legs is arranged to receive the leg locking ring in said supporting position.
Claim 5
Dependent Claim
32 words
Stand according to claim 3, characterized in that upper portions of sideways from the leg supporting part extending leg bearing legs are aimed to receive said locking ring in said supporting position.
Claim 6
Dependent Claim
28 words
Stand according to claim 1, characterized in that the upper portion of a ring-formed leg bearing is aimed to receive said leg locking ring in said supporting position.
Claim 7
Dependent Claim
21 words
Stand according to claim 5, characterized in that said ring-formed leg bearing is countersunk down from sideways extending leg supporting legs.
Claim 8
Dependent Claim
61 words
Stand according to claim 1, characterized in that four supporting legs are carried by the central supporting upright at one of its ends and are evenly distributed around the periphery of the upright and the supporting legs are pivotally supported by bearing lugs to interact in pairs, with bearing shafts extending between the bearing lugs for supporting the respective supporting legs.
Claim 9
Dependent Claim
24 words
Stand according to claim 7, characterized in that the legs extend upwards at an acute angle (Y) in relation to the central supporting upright.
Claim 10
Dependent Claim
20 words
Stand according to claim 8, characterized in that the supporting legs are mounted for pivotable movement through at least 180°.
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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) | 1993-05-07 | 1993-11-06 | 1994-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-07 | 1997-11-06 | 1998-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-07 | 2001-11-06 | 2002-05-08 | $7700.00 | Window Closed / Lapsed |