Patent US4119311A successfully refreshed from Google Patents.
US4119311A
Expired / Lapsed
US
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Combination trampoline and rebounding device with detachable support means
Assignee: Individual
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Filing: 1977-03-25
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Granted: 1978-10-10
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Expires: 1997-03-25
Abstract
Abstract A pair of detachable L-shaped auxiliary supports attachable to a conventional trampoline for supporting the trampoline bed in an upright position to convert the trampoline into a rebounding device. The L-shaped supports are used to pivot the trampoline from a generally horizontal position or plane to a substantially vertical position or plane.
Inventors
- 👤 John W. Jenkins
- 👤 A. G. Nichols, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:37
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/11; A63B21/00; A63B21/02; A63B21/023
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
126 words
In a trampoline of the type wherein the bed frame is normally supported in a substantially horizontal position or plane by a pair of spaced generally U-shaped main supports having upstanding arms, each of the upstanding arms of the supports diverging outwardly and upwardly away from each other, the improvement which comprises a pair of L-shaped auxiliary supports each having a stem and means for detachably attaching said auxiliary supports to the trampoline to pivot the trampoline bed to a generally upright substantially vertical position or plane for use as a rebounding device, the length of the stem of each of the L-shaped supports being approximately twice the height of the bed frame from a floor when the trampoline is normally supported in its horizontal position.
Claim 2
Dependent Claim
126 words
In a trampoline of the type wherein the bed frame is normally supported in a substantially horizontal position or plane by a pair of spaced generally U-shaped main supports having upstanding arms, each of the upstanding arms of the supports diverging outwardly and upwardly away from each other, the improvement which comprises a pair of L-shaped auxiliary supports each having a stem and means for detachably attaching said auxiliary supports to the trampoline to pivot the trampoline bed to a generally upright substantially vertical position or plane for use as a rebounding device, the length of the stem of each of the L-shaped supports being approximately twice the height of the bed frame from a floor when the trampoline is normally supported in its horizontal position.
Claim 3
Dependent Claim
31 words
The invention defined in claim 1, wherein said means for attaching each of the L-shaped supports include a C-shaped clamp adapted to partially encircle the arm of said generally U-shaped support.
Claim 4
Dependent Claim
28 words
The invention defined in claim 1, wherein said L-shaped auxiliary supports are formed from hollow tubing, the angle between the stem and the base being less than 90°.
Claim 5
Dependent Claim
34 words
The invention defined in claim 1, wherein said means for attaching each of the L-shaped supports include a pair of semi-circular clamping elements which completely encircle the arm of a said generally U-shaped support.
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) | 1981-10-09 | 1982-04-10 | 1982-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-09 | 1986-04-10 | 1986-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-09 | 1990-04-10 | 1990-10-10 | $7700.00 | Window Closed / Lapsed |