US4238114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocking platform for the positioning of vehicles above ground level
Assignee: Individual
•
Filing: 1979-05-30
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Granted: 1980-12-09
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Expires: 1999-05-30
Abstract
Abstract The rocking platform for the positioning of vehicles above ground level comprises a supporting structure for sustaining a pair of parallel longitudinal rails which define the vehicle loading surface. The supporting structure presents a cradle-shaped base having the form of a dihedron with the convexity directed towards the ground. The cradle-shaped base is formed by two bearing planes, one of which is parallel to the loading surface, while the other is inclined with respect thereto. The rails extend, with access extremities, for a substantial length above and beyond one extremity of the parallel bearing plane in the direction of the inclined bearing plane. The platform is rockable from a horizontal position, in which the supporting structure rests on the parallel bearing plane, to an inclined position in which the supporting structure rests on the inclined bearing plane. In the inclined position of the platform the vehicle is caused to move up along the access extremities of the rails, until it promotes the rocking of the platform when the common barycenter of vehicle and platform passes beyond the fulcrum axis defined by the edge of the dihedron.
Inventors
- 👤 Pier I. Migliorati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:41
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/24; B66F7/243; B66F7/26
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
224 words
A rocking platform for the positioning of loads, and more particularly of vehicles, above ground level, comprising loading surface means, supporting structure means for said loading surface means, said supporting structure means including a cradle-shaped base with the convexity directed towards the ground, said cradle-shaped base presenting two bearing plane means, one of said bearing plane means being parallel to said loading surface means, said one bearing plane means extending over a substantial distance across the ground, the other bearing plane means being inclined with respect thereto; said loading surface means extending adjacent the access end for a substantial length above and beyond said parallel bearing plane means in the direction of the said inclined bearing plane means, said platform being rockable from a horizontal position, in which said supporting structure means rests on the ground on the bearing plane means which is parallel to the loading surface means, to an inclined position in which said supporting structure means rests on the ground on the inclined bearing plane means, the bearing plane means parallel to the loading surface means presenting a length which is greater than the length of the inclined bearing plane means, whereby the stability of said platform is enhanced when a vehicle is positioned on said loading surface means and the load is extended over a substantial area of the ground.
Claim 2
Dependent Claim
224 words
A rocking platform for the positioning of loads, and more particularly of vehicles, above ground level, comprising loading surface means, supporting structure means for said loading surface means, said supporting structure means including a cradle-shaped base with the convexity directed towards the ground, said cradle-shaped base presenting two bearing plane means, one of said bearing plane means being parallel to said loading surface means, said one bearing plane means extending over a substantial distance across the ground, the other bearing plane means being inclined with respect thereto; said loading surface means extending adjacent the access end for a substantial length above and beyond said parallel bearing plane means in the direction of the said inclined bearing plane means, said platform being rockable from a horizontal position, in which said supporting structure means rests on the ground on the bearing plane means which is parallel to the loading surface means, to an inclined position in which said supporting structure means rests on the ground on the inclined bearing plane means, the bearing plane means parallel to the loading surface means presenting a length which is greater than the length of the inclined bearing plane means, whereby the stability of said platform is enhanced when a vehicle is positioned on said loading surface means and the load is extended over a substantial area of the ground.
Claim 3
Dependent Claim
49 words
A rocking platform according to claim 1, in which the cradle-shaped base of the supporting structure means defines a dihedron formed by said two bearing planes means and the edge of the dihedron constitutes the fulcrum axis around which the rocking platform can oscillate with respect to the ground.
Claim 4
Dependent Claim
69 words
A rocking platform according to claim 1, in which the supporting structure means comprises a pair of longitudinal side frame members connected by means of transverse crosspieces, each side frame member including a pair of base angle beams comprising two rectinlinear sections forming an angle with the convexity directed towards the ground, the line passing through the vertexes of the said angles defining the fulcrum axis of the platform.
Claim 5
Dependent Claim
23 words
A rocking platform according to claim 2, in which the loading surface means comprises a pair of longitudinally arranged, spaced apart parallel rails.
Claim 6
Dependent Claim
52 words
A rocking platform according to claim 4, in which is provided adjustable means for mounting said parallel rails on the supporting structure means so as to be adjustably movable in the transverse direction independently of said base, and means being provided for fastening said rails at a predetermined distance between each other.
Claim 7
Dependent Claim
33 words
A rocking platform according to claim 5, in which adjacent the access end of each rail there is hinged a downwardly swingable loading ramp, said ramp constituting an extension of the said rail.
Claim 8
Dependent Claim
44 words
A rocking platform according to claim 6, in which means are provided to lock the loading ramps in their downwardly swung position, at which position the free ends of the said ramps bear onto the ground while the platform is in its horizontal position.
Claim 9
Dependent Claim
44 words
A rocking platform according to claim 6, in which downwardly directed supporting legs are provided adjacent the access ends of the rails, said supporting legs extending for such a length as to bear on the ground whenever the platform is in its inclined position.
Claim 10
Dependent Claim
68 words
A rocking platform according to claim 6, in which each loading ramp presents, adjacent the end which is hinged to the rail, an extension which in the upwardly swung position of the ramp abuts and lies over a portion of the end of the rail, while in the downwardly swung position of the rail it constitutes a wheel abutment stop projecting upwardly with respect to the rail surface.
Claim 11
Dependent Claim
39 words
A rocking platform according to claim 4, in which a footboard is provided, arm means extending across one of said rails for removably fastening said footboard sidewise of said loading surface means adjacent the level of the loading surface.
Claim 12
Dependent Claim
41 words
A rocking platform according to claim 1, in which vehicle supporting posts adjustable in height are provided, a pair of transverse telescoping bars carried by the loading surface means for supporting said posts, said posts projecting above said loading surface means.
Claim 13
Dependent Claim
30 words
A rocking platform according to claim 3, in which retractable wheels are provided adjacent the fulcrum axis between said base angle beams on the base of the supporting structure means.
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) | 1983-12-09 | 1984-06-09 | 1984-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-09 | 1988-06-09 | 1988-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-09 | 1992-06-09 | 1992-12-09 | $7700.00 | Window Closed / Lapsed |