US3854750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable support for mobile campers and the like
Assignee: Individual
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Filing: 1973-01-15
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Granted: 1974-12-17
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Expires: 1993-01-15
Abstract
Abstract Each support, two of which are adapted to be used on a camper, comprises an inverted channel iron disposed transversely beneath one end of a camper, a pair of operating screws rotatably journaled in opposite ends of the channel iron, and a pair of blocks adjustable on said screws between the sides of its channel iron. A pair of legs is pivoted to the channel iron and a link pivotally connects each leg with one of the blocks. The legs can be lowered by rotating each screw in one direction, and can be retracted to folded positions by rotating the screws in the opposite direction.
Inventors
- 👤 C Voehringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:00
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60S; B60S9/00; B60S9/02; B60S9/04; B60S9/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
188 words
A device for supporting a parked camper, comprising a beam adapted to be secured beneath a camper to extend transversely between opposite sides thereof, a pair of spaced operating screws, each of which is journaled at opposite ends, respectively, in a channel in said beam for rotation independently of each other about a common axis extending longitudinally of said beam, and each of which has a wrench-engageable head at its outer end, a nut threaded on each of said screws for axial movement in said channel when the associated screw is rotated, a pair of legs mounted on said beam to pivot about fixed parallel axes, extending transversely of said beam, the pivots for the two legs being disposed closer to one another than the inner ends of the two screws, a pair of links, each pivotally connected at one end to one of said nuts and at its opposite end to one of said legs, whereby, upon rotation of a screw in one direction, the associated leg is lowered to supporting position, and, upon rotation of the screw in the opposite direction, the associated leg is retracted.
Claim 2
Independent Claim
188 words
A device for supporting a parked camper, comprising a beam adapted to be secured beneath a camper to extend transversely between opposite sides thereof, a pair of spaced operating screws, each of which is journaled at opposite ends, respectively, in a channel in said beam for rotation independently of each other about a common axis extending longitudinally of said beam, and each of which has a wrench-engageable head at its outer end, a nut threaded on each of said screws for axial movement in said channel when the associated screw is rotated, a pair of legs mounted on said beam to pivot about fixed parallel axes, extending transversely of said beam, the pivots for the two legs being disposed closer to one another than the inner ends of the two screws, a pair of links, each pivotally connected at one end to one of said nuts and at its opposite end to one of said legs, whereby, upon rotation of a screw in one direction, the associated leg is lowered to supporting position, and, upon rotation of the screw in the opposite direction, the associated leg is retracted.
Claim 3
Dependent Claim
275 words
A support for parked camper, comprising a channel iron beam open at its bottom, and adapted to be secured beneath a camper to extend transversely between opposite sides thereof, a pair of legs, each of which is a channel iron pivotally connected at one end to said beam to pivot about a fixed axis transverse of the length of the beam, a pair of slide blocks mounted to reciprocate in the underside of said beam in the channel thereof, a pair of links, each being pivoted at one end to one of said blocks and at its opposite end to one of said legs, the pivotal axes of said legs and links being parallel, two manually rotatable screws connected to said blocks and each journaled at its opposite ends in said beam and operable upon rotation to shift the associated block in the channel of said beam, each of said screws having a wrench-engageable head at its outer end, the pivots for the two legs being disposed inwardly of the inner ends of the two screws, and said links being operative to swing said legs downwardly to camper supporting positions, when said blocks are shifted in one direction, and being operative, when said blocks are shifted in the opposite direction, to swing said legs upwardly to folded positions in which each leg is positioned with its channel reversed with reference to the channel of said beam thereby to close the channel of said beam, and a foot member pivotally mounted on the free end of each leg to pivot about an axis parallel to the pivotal axis of said leg and nesting on said leg.
Claim 4
Dependent Claim
275 words
A support for parked camper, comprising a channel iron beam open at its bottom, and adapted to be secured beneath a camper to extend transversely between opposite sides thereof, a pair of legs, each of which is a channel iron pivotally connected at one end to said beam to pivot about a fixed axis transverse of the length of the beam, a pair of slide blocks mounted to reciprocate in the underside of said beam in the channel thereof, a pair of links, each being pivoted at one end to one of said blocks and at its opposite end to one of said legs, the pivotal axes of said legs and links being parallel, two manually rotatable screws connected to said blocks and each journaled at its opposite ends in said beam and operable upon rotation to shift the associated block in the channel of said beam, each of said screws having a wrench-engageable head at its outer end, the pivots for the two legs being disposed inwardly of the inner ends of the two screws, and said links being operative to swing said legs downwardly to camper supporting positions, when said blocks are shifted in one direction, and being operative, when said blocks are shifted in the opposite direction, to swing said legs upwardly to folded positions in which each leg is positioned with its channel reversed with reference to the channel of said beam thereby to close the channel of said beam, and a foot member pivotally mounted on the free end of each leg to pivot about an axis parallel to the pivotal axis of said leg and nesting on said leg.
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) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |